SqlSugar入门

嘛尼嘛尼哄 发表于 2024-1-20 10:23:40

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更多看文档迁移        ","marks":[]}]}]},{"type":"block","id":"gpmI-1705386952861","name":"code-line","data":{},"nodes":[{"type":"text","id":"leel-1705386952860","leaves":[{"text":"           ","marks":[]}]}]},{"type":"block","id":"Sc4j-1705386952863","name":"code-line","data":{},"nodes":[{"type":"text","id":"jAde-1705386952862","leaves":[{"text":"     //查询表的所有","marks":[]}]}]},{"type":"block","id":"NAeb-1705386952865","name":"code-line","data":{},"nodes":[{"type":"text","id":"WDvp-1705386952864","leaves":[{"text":"     var list = db.Queryable().ToList();","marks":[]}]}]},{"type":"block","id":"SR2s-1705386952867","name":"code-line","data":{},"nodes":[{"type":"text","id":"tjoK-1705386952866","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"gW54-1705386952869","name":"code-line","data":{},"nodes":[{"type":"text","id":"ITtx-1705386952868","leaves":[{"text":"     //插入","marks":[]}]}]},{"type":"block","id":"p3te-1705386952871","name":"code-line","data":{},"nodes":[{"type":"text","id":"wnWe-1705386952870","leaves":[{"text":"     db.Insertable(new Student() { SchoolId = 1, Name = \"jack\" }).ExecuteCommand();","marks":[]}]}]},{"type":"block","id":"SoLB-1705386952873","name":"code-line","data":{},"nodes":[{"type":"text","id":"V2oH-1705386952872","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"mocN-1705386952875","name":"code-line","data":{},"nodes":[{"type":"text","id":"Oe3D-1705386952874","leaves":[{"text":"     //更新","marks":[]}]}]},{"type":"block","id":"RIXw-1705386952877","name":"code-line","data":{},"nodes":[{"type":"text","id":"CgPZ-1705386952876","leaves":[{"text":"     db.Updateable(new Student() { Id = 1, SchoolId = 2, Name = \"jack2\" }).ExecuteCommand();","marks":[]}]}]},{"type":"block","id":"vXu3-1705386952879","name":"code-line","data":{},"nodes":[{"type":"text","id":"JyHO-1705386952878","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"ciLF-1705386952881","name":"code-line","data":{},"nodes":[{"type":"text","id":"7tB0-1705386952880","leaves":[{"text":"     //删除","marks":[]}]}]},{"type":"block","id":"cn8n-1705386952883","name":"code-line","data":{},"nodes":[{"type":"text","id":"jPSL-1705386952882","leaves":[{"text":"     db.Deleteable().Where(it => it.Id == 1).ExecuteCommand();","marks":[]}]}]},{"type":"block","id":"e8XW-1705386952885","name":"code-line","data":{},"nodes":[{"type":"text","id":"t7Wp-1705386952884","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"F5KJ-1705386952887","name":"code-line","data":{},"nodes":[{"type":"text","id":"Dx2H-1705386952886","leaves":[{"text":"     }","marks":[]}]}]},{"type":"block","id":"CyIl-1705386952889","name":"code-line","data":{},"nodes":[{"type":"text","id":"sxSD-1705386952888","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"Bdhn-1705386952891","name":"code-line","data":{},"nodes":[{"type":"text","id":"N4xE-1705386952890","leaves":[{"text":"       ","marks":[]}]}]},{"type":"block","id":"MHNr-1705386952893","name":"code-line","data":{},"nodes":[{"type":"text","id":"9qeH-1705386952892","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"fCDU-1705386952895","name":"code-line","data":{},"nodes":[{"type":"text","id":"A3eV-1705386952894","leaves":[{"text":"    //实体与数据库结构一样","marks":[]}]}]},{"type":"block","id":"bJS9-1705386952897","name":"code-line","data":{},"nodes":[{"type":"text","id":"gu3A-1705386952896","leaves":[{"text":"    public class Student","marks":[]}]}]},{"type":"block","id":"wY6p-1705386952899","name":"code-line","data":{},"nodes":[{"type":"text","id":"alIu-1705386952898","leaves":[{"text":"    {","marks":[]}]}]},{"type":"block","id":"HGXG-1705386952902","name":"code-line","data":{},"nodes":[{"type":"text","id":"kFt4-1705386952901","leaves":[{"text":"     //数据是自增需要加上IsIdentity ","marks":[]}]}]},{"type":"block","id":"j5hN-1705386952904","name":"code-line","data":{},"nodes":[{"type":"text","id":"cIPR-1705386952903","leaves":[{"text":"     //数据库是主键需要加上IsPrimaryKey ","marks":[]}]}]},{"type":"block","id":"5Xy5-1705386952906","name":"code-line","data":{},"nodes":[{"type":"text","id":"20gM-1705386952905","leaves":[{"text":"     //注意：要完全和数据库一致2个属性","marks":[]}]}]},{"type":"block","id":"PEAH-1705386952908","name":"code-line","data":{},"nodes":[{"type":"text","id":"101U-1705386952907","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"MUzw-1705386952910","name":"code-line","data":{},"nodes":[{"type":"text","id":"vsNe-1705386952909","leaves":[{"text":"     public int Id { get; set; }","marks":[]}]}]},{"type":"block","id":"zM7B-1705386952912","name":"code-line","data":{},"nodes":[{"type":"text","id":"L50h-1705386952911","leaves":[{"text":"     public int? SchoolId { get; set; }","marks":[]}]}]},{"type":"block","id":"wgDp-1705386952914","name":"code-line","data":{},"nodes":[{"type":"text","id":"cPQG-1705386952913","leaves":[{"text":"     public string Name { get; set; }","marks":[]}]}]},{"type":"block","id":"iek6-1705386952916","name":"code-line","data":{},"nodes":[{"type":"text","id":"hojr-1705386952915","leaves":[{"text":"     }","marks":[]}]}]}]},{"type":"block","id":"MpDP-1705386952919","name":"heading","data":{"level":"h3"},"nodes":[{"type":"text","id":"rPpP-1705386952918","leaves":[{"text":"1.2 偶发错误","marks":[]}]}]},{"type":"block","id":"D70B-1705386952921","name":"paragraph","data":{},"nodes":[{"type":"text","id":"JewY-1705386952920","leaves":[{"text":" SqlSugarClient ","marks":[{"type":"color","value":"#ff0000"},{"type":"backgroundColor","value":"rgb(255, 255, 255)"},{"type":"fontSize","value":14},{"type":"fontFamily","value":"Arial"}]},{"text":"出现偶发","marks":[{"type":"color","value":"#ff0000"}]},{"text":"错误全部换成","marks":[]},{"text":"SqlSugarScope进行测试","marks":[{"type":"color","value":"#ff0000"}]},{"text":"，如果换了不报错了那么证明就是","marks":[]}]}]},{"type":"block","id":"re9n-1705386952923","name":"paragraph","data":{},"nodes":[{"type":"text","id":"3b1Z-1705386952922","leaves":[{"text":"线程安全问题，你也可以直接使用","marks":[]},{"text":"SqlSugarScope因为他是线程安全的 ,用SqlSugarScope要改成单例不然会有内存增加风险","marks":[{"type":"color","value":"#ff0000"}]}]}]},{"type":"block","id":"iOok-1705386952924","name":"paragraph","data":{},"nodes":[{"type":"text","id":"PI1F-1705386951726","leaves":[{"text":"详情：","marks":[{"type":"color","value":"#ff0000"}]}]},{"type":"inline","id":"jWB3-1705386951728","name":"link","data":{"href":"https://www.donet5.com/Home/Doc?typeId=1224"},"nodes":[{"type":"text","id":"PRnm-1705386951727","leaves":[{"text":"https://www.donet5.com/Home/Doc?typeId=1224","marks":[]}]}]},{"type":"text","id":"ly7u-1705386951729","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"EDZb-1705386952926","name":"paragraph","data":{},"nodes":[{"type":"text","id":"ICLc-1705386952925","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"TfUP-1705386952928","name":"heading","data":{"level":"h3"},"nodes":[{"type":"text","id":"ynDd-1705386952927","leaves":[{"text":"1.3  AddScope IOC","marks":[]}]}]},{"type":"block","id":"NCm1-1705386952930","name":"paragraph","data":{},"nodes":[{"type":"text","id":"pH43-1705386952929","leaves":[{"text":"Scope我们需要用SqlSugarClient","marks":[]}]}]},{"type":"block","id":"FWyg-1705386952999","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"jQOo-1705386952932","name":"code-line","data":{},"nodes":[{"type":"text","id":"xqQI-1705386952931","leaves":[{"text":"//注册上下文：AOP里面可以获取IOC对象，如果有现成框架比如Furion可以不写这一行","marks":[]}]}]},{"type":"block","id":"q8va-1705386952934","name":"code-line","data":{},"nodes":[{"type":"text","id":"dRbG-1705386952933","leaves":[{"text":"services.AddHttpContextAccessor();","marks":[]}]}]},{"type":"block","id":"SXei-1705386952936","name":"code-line","data":{},"nodes":[{"type":"text","id":"Vbk0-1705386952935","leaves":[{"text":"//注册SqlSugar用AddScoped","marks":[]}]}]},{"type":"block","id":"Lb8M-1705386952938","name":"code-line","data":{},"nodes":[{"type":"text","id":"tCZl-1705386952937","leaves":[{"text":"services.AddScoped(s =>","marks":[]}]}]},{"type":"block","id":"ZtEl-1705386952940","name":"code-line","data":{},"nodes":[{"type":"text","id":"VXrc-1705386952939","leaves":[{"text":"{","marks":[]}]}]},{"type":"block","id":"l8Py-1705386952942","name":"code-line","data":{},"nodes":[{"type":"text","id":"Fbj3-1705386952941","leaves":[{"text":"        //Scoped用SqlSugarClient ","marks":[]}]}]},{"type":"block","id":"clqC-1705386952944","name":"code-line","data":{},"nodes":[{"type":"text","id":"kVgn-1705386952943","leaves":[{"text":"    SqlSugarClient sqlSugar = new SqlSugarClient (new ConnectionConfig()","marks":[]}]}]},{"type":"block","id":"T0VN-1705386952946","name":"code-line","data":{},"nodes":[{"type":"text","id":"rt6a-1705386952945","leaves":[{"text":"    {","marks":[]}]}]},{"type":"block","id":"422Y-1705386952948","name":"code-line","data":{},"nodes":[{"type":"text","id":"vXhf-1705386952947","leaves":[{"text":"        DbType = SqlSugar.DbType.Sqlite,","marks":[]}]}]},{"type":"block","id":"BJiq-1705386952950","name":"code-line","data":{},"nodes":[{"type":"text","id":"oVk0-1705386952949","leaves":[{"text":"        ConnectionString = \"DataSource=sqlsugar-dev.db\",","marks":[]}]}]},{"type":"block","id":"7hUN-1705386952952","name":"code-line","data":{},"nodes":[{"type":"text","id":"QtPr-1705386952951","leaves":[{"text":"        IsAutoCloseConnection = true,","marks":[]}]}]},{"type":"block","id":"P3gf-1705386952954","name":"code-line","data":{},"nodes":[{"type":"text","id":"j1Im-1705386952953","leaves":[{"text":"    },","marks":[]}]}]},{"type":"block","id":"W9Lx-1705386952956","name":"code-line","data":{},"nodes":[{"type":"text","id":"Zy0x-1705386952955","leaves":[{"text":"   db =>","marks":[]}]}]},{"type":"block","id":"9tRQ-1705386952958","name":"code-line","data":{},"nodes":[{"type":"text","id":"HJft-1705386952957","leaves":[{"text":"   {","marks":[]}]}]},{"type":"block","id":"Oqr2-1705386952960","name":"code-line","data":{},"nodes":[{"type":"text","id":"CdJA-1705386952959","leaves":[{"text":"      //每次上下文都会执行","marks":[]}]}]},{"type":"block","id":"DfPv-1705386952962","name":"code-line","data":{},"nodes":[{"type":"text","id":"QG31-1705386952961","leaves":[{"text":"           ","marks":[]}]}]},{"type":"block","id":"Bl6Z-1705386952964","name":"code-line","data":{},"nodes":[{"type":"text","id":"aj2C-1705386952963","leaves":[{"text":"      //获取IOC对象不要求在一个上下文","marks":[]}]}]},{"type":"block","id":"SzZD-1705386952966","name":"code-line","data":{},"nodes":[{"type":"text","id":"qoXs-1705386952965","leaves":[{"text":"      //vra log=s.GetService()","marks":[]}]}]},{"type":"block","id":"n7Hk-1705386952968","name":"code-line","data":{},"nodes":[{"type":"text","id":"Q7HA-1705386952967","leaves":[{"text":"               ","marks":[]}]}]},{"type":"block","id":"P7Sz-1705386952970","name":"code-line","data":{},"nodes":[{"type":"text","id":"wi4o-1705386952969","leaves":[{"text":"      //获取IOC对象要求在一个上下文","marks":[]}]}]},{"type":"block","id":"fcLO-1705386952972","name":"code-line","data":{},"nodes":[{"type":"text","id":"MiMx-1705386952971","leaves":[{"text":"      //var appServive = s.GetService();","marks":[]}]}]},{"type":"block","id":"xhMn-1705386952974","name":"code-line","data":{},"nodes":[{"type":"text","id":"WGUd-1705386952973","leaves":[{"text":"      //var log= appServive?.HttpContext?.RequestServices.GetService();","marks":[]}]}]},{"type":"block","id":"3yCs-1705386952976","name":"code-line","data":{},"nodes":[{"type":"text","id":"VQLQ-1705386952975","leaves":[{"text":"                ","marks":[]}]}]},{"type":"block","id":"wmne-1705386952978","name":"code-line","data":{},"nodes":[{"type":"text","id":"dZvT-1705386952977","leaves":[{"text":"       db.Aop.OnLogExecuting = (sql, pars) =>","marks":[]}]}]},{"type":"block","id":"KFMc-1705386952980","name":"code-line","data":{},"nodes":[{"type":"text","id":"CYVe-1705386952979","leaves":[{"text":"       {","marks":[]}]}]},{"type":"block","id":"z8i6-1705386952982","name":"code-line","data":{},"nodes":[{"type":"text","id":"o1gE-1705386952981","leaves":[{"text":"       ","marks":[]}]}]},{"type":"block","id":"Dzdj-1705386952984","name":"code-line","data":{},"nodes":[{"type":"text","id":"Ar2a-1705386952983","leaves":[{"text":"       };","marks":[]}]}]},{"type":"block","id":"l8V9-1705386952986","name":"code-line","data":{},"nodes":[{"type":"text","id":"bHFa-1705386952985","leaves":[{"text":"   });","marks":[]}]}]},{"type":"block","id":"8PYH-1705386952988","name":"code-line","data":{},"nodes":[{"type":"text","id":"z1xr-1705386952987","leaves":[{"text":"    return sqlSugar;","marks":[]}]}]},{"type":"block","id":"GqKC-1705386952990","name":"code-line","data":{},"nodes":[{"type":"text","id":"qJLj-1705386952989","leaves":[{"text":"});","marks":[]}]}]},{"type":"block","id":"A9d6-1705386952992","name":"code-line","data":{},"nodes":[{"type":"text","id":"OX26-1705386952991","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"JQx8-1705386952994","name":"code-line","data":{},"nodes":[{"type":"text","id":"bZ4E-1705386952993","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"2rc7-1705386952996","name":"code-line","data":{},"nodes":[{"type":"text","id":"fJQg-1705386952995","leaves":[{"text":"//用接口接收","marks":[]}]}]},{"type":"block","id":"Mclv-1705386952998","name":"code-line","data":{},"nodes":[{"type":"text","id":"BZd3-1705386952997","leaves":[{"text":"public class(ISqlSugarClient  db)","marks":[]}]}]}]},{"type":"block","id":"FvO4-1705386953001","name":"paragraph","data":{},"nodes":[{"type":"text","id":"QvGb-1705386953000","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"Jj6G-1705386953003","name":"heading","data":{"level":"h2"},"nodes":[{"type":"text","id":"sQqN-1705386953002","leaves":[{"text":"2、单例模式：SqlSugarScope ","marks":[]}]}]},{"type":"block","id":"VI6I-1705386953005","name":"heading","data":{"level":"h3"},"nodes":[{"type":"text","id":"e1bT-1705386953004","leaves":[{"text":"2.1 完整用例","marks":[]}]}]},{"type":"block","id":"u2G0-1705386953007","name":"paragraph","data":{},"nodes":[{"type":"text","id":"Hcp5-1705386953006","leaves":[{"text":"SqlSugarScope 请使用单例模式，配置参数有2种周期","marks":[]}]}]},{"type":"block","id":"t4y4-1705386953009","name":"paragraph","data":{},"nodes":[{"type":"text","id":"Grb5-1705386953008","leaves":[{"text":"(A)：全局生效","marks":[]}]}]},{"type":"block","id":"dTRo-1705386953011","name":"paragraph","data":{},"nodes":[{"type":"text","id":"iWMI-1705386953010","leaves":[{"text":"(B):   当前上下文生效","marks":[]}]}]},{"type":"block","id":"v6m0-1705386953149","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"A7LB-1705386953013","name":"code-line","data":{},"nodes":[{"type":"text","id":"PSMR-1705386953012","leaves":[{"text":" public  class  SqlSugarHelper //不能是泛型类","marks":[]}]}]},{"type":"block","id":"Bj4C-1705386953015","name":"code-line","data":{},"nodes":[{"type":"text","id":"Y9do-1705386953014","leaves":[{"text":" {","marks":[]}]}]},{"type":"block","id":"34YV-1705386953017","name":"code-line","data":{},"nodes":[{"type":"text","id":"lCEn-1705386953016","leaves":[{"text":" ","marks":[]}]}]},{"type":"block","id":"2Ozo-1705386953019","name":"code-line","data":{},"nodes":[{"type":"text","id":"lUyU-1705386953018","leaves":[{"text":"    //多库情况下使用说明：","marks":[]}]}]},{"type":"block","id":"Yejh-1705386953021","name":"code-line","data":{},"nodes":[{"type":"text","id":"ckT7-1705386953020","leaves":[{"text":"    //如果是固定多库可以传 new SqlSugarScope(List,db=>{}) 文档：多租户","marks":[]}]}]},{"type":"block","id":"2xQ8-1705386953023","name":"code-line","data":{},"nodes":[{"type":"text","id":"OIyg-1705386953022","leaves":[{"text":"    //如果是不固定多库可以看文档Saas分库","marks":[]}]}]},{"type":"block","id":"zTIr-1705386953025","name":"code-line","data":{},"nodes":[{"type":"text","id":"Al8S-1705386953024","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"4ukk-1705386953027","name":"code-line","data":{},"nodes":[{"type":"text","id":"JWYt-1705386953026","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"0Joc-1705386953029","name":"code-line","data":{},"nodes":[{"type":"text","id":"N25j-1705386953028","leaves":[{"text":"   //用单例模式","marks":[]}]}]},{"type":"block","id":"Y9a8-1705386953031","name":"code-line","data":{},"nodes":[{"type":"text","id":"iXqC-1705386953030","leaves":[{"text":"    public static SqlSugarScope Db= new SqlSugarScope(new ConnectionConfig()","marks":[]}]}]},{"type":"block","id":"f4eN-1705386953033","name":"code-line","data":{},"nodes":[{"type":"text","id":"JCLm-1705386953032","leaves":[{"text":"   {","marks":[]}]}]},{"type":"block","id":"h8YN-1705386953036","name":"code-line","data":{},"nodes":[{"type":"text","id":"Z8fj-1705386953035","leaves":[{"text":"            ConnectionString = \"Server=.xxxxx\",//连接符字串","marks":[]}]}]},{"type":"block","id":"GpgX-1705386953038","name":"code-line","data":{},"nodes":[{"type":"text","id":"9OCq-1705386953037","leaves":[{"text":"            DbType = DbType.SqlServer,//数据库类型","marks":[]}]}]},{"type":"block","id":"EMXh-1705386953040","name":"code-line","data":{},"nodes":[{"type":"text","id":"cj18-1705386953039","leaves":[{"text":"            IsAutoCloseConnection = true //不设成true要手动close","marks":[]}]}]},{"type":"block","id":"Ql8K-1705386953042","name":"code-line","data":{},"nodes":[{"type":"text","id":"SYdA-1705386953041","leaves":[{"text":"   },","marks":[]}]}]},{"type":"block","id":"Okt7-1705386953044","name":"code-line","data":{},"nodes":[{"type":"text","id":"9OFX-1705386953043","leaves":[{"text":"  db=> {","marks":[]}]}]},{"type":"block","id":"gcg7-1705386953046","name":"code-line","data":{},"nodes":[{"type":"text","id":"Dtq9-1705386953045","leaves":[{"text":"         //(A)全局生效配置点，一般AOP和程序启动的配置扔这里面，所有上下文生效","marks":[]}]}]},{"type":"block","id":"OkSE-1705386953048","name":"code-line","data":{},"nodes":[{"type":"text","id":"yqlp-1705386953047","leaves":[{"text":"         //调试SQL事件，可以删掉","marks":[]}]}]},{"type":"block","id":"RHML-1705386953050","name":"code-line","data":{},"nodes":[{"type":"text","id":"20nT-1705386953049","leaves":[{"text":"         db.Aop.OnLogExecuting = (sql, pars) =>","marks":[]}]}]},{"type":"block","id":"dyzD-1705386953052","name":"code-line","data":{},"nodes":[{"type":"text","id":"FBFI-1705386953051","leaves":[{"text":"         {","marks":[]}]}]},{"type":"block","id":"tskL-1705386953054","name":"code-line","data":{},"nodes":[{"type":"text","id":"IvPt-1705386953053","leaves":[{"text":"          Console.WriteLine(sql);//输出sql,查看执行sql 性能无影响","marks":[]}]}]},{"type":"block","id":"tibr-1705386953056","name":"code-line","data":{},"nodes":[{"type":"text","id":"bSY1-1705386953055","leaves":[{"text":"          ","marks":[]}]}]},{"type":"block","id":"Pgjd-1705386953058","name":"code-line","data":{},"nodes":[{"type":"text","id":"Tgtu-1705386953057","leaves":[{"text":"           //获取原生SQL推荐 5.1.4.63  性能OK","marks":[]}]}]},{"type":"block","id":"P9Bd-1705386953060","name":"code-line","data":{},"nodes":[{"type":"text","id":"5KYh-1705386953059","leaves":[{"text":"           //UtilMethods.GetNativeSql(sql,pars)","marks":[]}]}]},{"type":"block","id":"XcbT-1705386953062","name":"code-line","data":{},"nodes":[{"type":"text","id":"QBxw-1705386953061","leaves":[{"text":"                               ","marks":[]}]}]},{"type":"block","id":"OYuX-1705386953064","name":"code-line","data":{},"nodes":[{"type":"text","id":"7WKu-1705386953063","leaves":[{"text":"           //获取无参数化SQL 对性能有影响，特别大的SQL参数多的，调试使用","marks":[]}]}]},{"type":"block","id":"KVsa-1705386953066","name":"code-line","data":{},"nodes":[{"type":"text","id":"wYBr-1705386953065","leaves":[{"text":"           //UtilMethods.GetSqlString(DbType.SqlServer,sql,pars)","marks":[]}]}]},{"type":"block","id":"qt2z-1705386953068","name":"code-line","data":{},"nodes":[{"type":"text","id":"zTVr-1705386953067","leaves":[{"text":"                    ","marks":[]}]}]},{"type":"block","id":"uIyh-1705386953070","name":"code-line","data":{},"nodes":[{"type":"text","id":"ET30-1705386953069","leaves":[{"text":"         };","marks":[]}]}]},{"type":"block","id":"hTEz-1705386953072","name":"code-line","data":{},"nodes":[{"type":"text","id":"x6FV-1705386953071","leaves":[{"text":"         ","marks":[]}]}]},{"type":"block","id":"dFqi-1705386953074","name":"code-line","data":{},"nodes":[{"type":"text","id":"huLu-1705386953073","leaves":[{"text":"         //多个配置就写下面","marks":[]}]}]},{"type":"block","id":"v9V7-1705386953076","name":"code-line","data":{},"nodes":[{"type":"text","id":"7Lka-1705386953075","leaves":[{"text":"         //db.Ado.IsDisableMasterSlaveSeparation=true;","marks":[]}]}]},{"type":"block","id":"hRFk-1705386953078","name":"code-line","data":{},"nodes":[{"type":"text","id":"THcQ-1705386953077","leaves":[{"text":"         ","marks":[]}]}]},{"type":"block","id":"7dD4-1705386953080","name":"code-line","data":{},"nodes":[{"type":"text","id":"DXIX-1705386953079","leaves":[{"text":"          //注意多租户有几个设置几个","marks":[]}]}]},{"type":"block","id":"zso7-1705386953082","name":"code-line","data":{},"nodes":[{"type":"text","id":"d8fd-1705386953081","leaves":[{"text":"          //db.GetConnection(i).Aop","marks":[]}]}]},{"type":"block","id":"8axP-1705386953084","name":"code-line","data":{},"nodes":[{"type":"text","id":"KnjU-1705386953083","leaves":[{"text":"     });","marks":[]}]}]},{"type":"block","id":"J2xw-1705386953086","name":"code-line","data":{},"nodes":[{"type":"text","id":"b8WL-1705386953085","leaves":[{"text":"   }","marks":[]}]}]},{"type":"block","id":"kzPi-1705386953088","name":"code-line","data":{},"nodes":[{"type":"text","id":"kjny-1705386953087","leaves":[{"text":"   //(B)当前上下文生效配置点,一般多租户相关操作写在这儿 ","marks":[]}]}]},{"type":"block","id":"2V5q-1705386953090","name":"code-line","data":{},"nodes":[{"type":"text","id":"Ko0i-1705386953089","leaves":[{"text":"   //db.GetConnectionxxx 只在当前上下文有效，不会共享","marks":[]}]}]},{"type":"block","id":"qqB3-1705386953092","name":"code-line","data":{},"nodes":[{"type":"text","id":"JP1W-1705386953091","leaves":[{"text":"   //如果是程序启动时的配置全部到A里面去","marks":[]}]}]},{"type":"block","id":"loFq-1705386953094","name":"code-line","data":{},"nodes":[{"type":"text","id":"99UC-1705386953093","leaves":[{"text":"  ","marks":[]}]}]},{"type":"block","id":"pa4T-1705386953096","name":"code-line","data":{},"nodes":[{"type":"text","id":"1qY4-1705386953095","leaves":[{"text":"   //建表","marks":[]}]}]},{"type":"block","id":"bt5X-1705386953098","name":"code-line","data":{},"nodes":[{"type":"text","id":"e1jU-1705386953097","leaves":[{"text":"  //db.CodeFirst.InitTables(); 更多看文档迁移   ","marks":[]}]}]},{"type":"block","id":"jDef-1705386953100","name":"code-line","data":{},"nodes":[{"type":"text","id":"q3te-1705386953099","leaves":[{"text":"  ","marks":[]}]}]},{"type":"block","id":"wM4O-1705386953102","name":"code-line","data":{},"nodes":[{"type":"text","id":"ml7x-1705386953101","leaves":[{"text":"  //查询表的所有","marks":[]}]}]},{"type":"block","id":"T6nV-1705386953104","name":"code-line","data":{},"nodes":[{"type":"text","id":"IFCj-1705386953103","leaves":[{"text":"  var list=SqlSugarHelper.Db.Queryable().ToList();","marks":[]}]}]},{"type":"block","id":"oAzp-1705386953106","name":"code-line","data":{},"nodes":[{"type":"text","id":"7KaE-1705386953105","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"Ms46-1705386953108","name":"code-line","data":{},"nodes":[{"type":"text","id":"hrpf-1705386953107","leaves":[{"text":"  //插入","marks":[]}]}]},{"type":"block","id":"dfTa-1705386953110","name":"code-line","data":{},"nodes":[{"type":"text","id":"pbFP-1705386953109","leaves":[{"text":"  SqlSugarHelper.Db.Insertable(new Student(){ SchoolId = 1, Name = \"jack\" }).ExecuteCommand();","marks":[]}]}]},{"type":"block","id":"dvBq-1705386953112","name":"code-line","data":{},"nodes":[{"type":"text","id":"qD4b-1705386953111","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"qUIh-1705386953114","name":"code-line","data":{},"nodes":[{"type":"text","id":"MB8C-1705386953113","leaves":[{"text":"  //更新","marks":[]}]}]},{"type":"block","id":"dyMu-1705386953116","name":"code-line","data":{},"nodes":[{"type":"text","id":"tPcI-1705386953115","leaves":[{"text":"  SqlSugarHelper.Db.Updateable(new Student(){ Id = 1,SchoolId=2,Name=\"jack2\" }).ExecuteCommand();","marks":[]}]}]},{"type":"block","id":"AX4R-1705386953118","name":"code-line","data":{},"nodes":[{"type":"text","id":"tK95-1705386953117","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"MVAw-1705386953120","name":"code-line","data":{},"nodes":[{"type":"text","id":"YzrG-1705386953119","leaves":[{"text":"  //删除","marks":[]}]}]},{"type":"block","id":"gdPb-1705386953122","name":"code-line","data":{},"nodes":[{"type":"text","id":"TE9f-1705386953121","leaves":[{"text":"  SqlSugarHelper.Db.Deleteable().Where(it => it.Id == 1).ExecuteCommand();","marks":[]}]}]},{"type":"block","id":"HHzN-1705386953124","name":"code-line","data":{},"nodes":[{"type":"text","id":"DLCV-1705386953123","leaves":[{"text":"  ","marks":[]}]}]},{"type":"block","id":"pHfs-1705386953126","name":"code-line","data":{},"nodes":[{"type":"text","id":"BgDR-1705386953125","leaves":[{"text":"  ","marks":[]}]}]},{"type":"block","id":"J2U7-1705386953128","name":"code-line","data":{},"nodes":[{"type":"text","id":"NxEY-1705386953127","leaves":[{"text":"   //实体与数据库结构一样","marks":[]}]}]},{"type":"block","id":"e86i-1705386953130","name":"code-line","data":{},"nodes":[{"type":"text","id":"ksZs-1705386953129","leaves":[{"text":"   public class Student","marks":[]}]}]},{"type":"block","id":"nsxc-1705386953132","name":"code-line","data":{},"nodes":[{"type":"text","id":"0JIp-1705386953131","leaves":[{"text":"   {","marks":[]}]}]},{"type":"block","id":"QjSd-1705386953134","name":"code-line","data":{},"nodes":[{"type":"text","id":"qzws-1705386953133","leaves":[{"text":"     //数据是自增需要加上IsIdentity ","marks":[]}]}]},{"type":"block","id":"eAvF-1705386953136","name":"code-line","data":{},"nodes":[{"type":"text","id":"wmDR-1705386953135","leaves":[{"text":"     //数据库是主键需要加上IsPrimaryKey ","marks":[]}]}]},{"type":"block","id":"5dAT-1705386953138","name":"code-line","data":{},"nodes":[{"type":"text","id":"HFTz-1705386953137","leaves":[{"text":"     //注意：要完全和数据库一致2个属性","marks":[]}]}]},{"type":"block","id":"wBCZ-1705386953140","name":"code-line","data":{},"nodes":[{"type":"text","id":"csQ8-1705386953139","leaves":[{"text":"     ","marks":[]}]}]},{"type":"block","id":"7hNS-1705386953142","name":"code-line","data":{},"nodes":[{"type":"text","id":"UZaQ-1705386953141","leaves":[{"text":"     public int Id { get; set; }","marks":[]}]}]},{"type":"block","id":"5UU8-1705386953144","name":"code-line","data":{},"nodes":[{"type":"text","id":"1cGI-1705386953143","leaves":[{"text":"     public int? SchoolId { get; set; }","marks":[]}]}]},{"type":"block","id":"pRt7-1705386953146","name":"code-line","data":{},"nodes":[{"type":"text","id":"ehh0-1705386953145","leaves":[{"text":"     public string Name { get; set; }","marks":[]}]}]},{"type":"block","id":"1M6d-1705386953148","name":"code-line","data":{},"nodes":[{"type":"text","id":"hxSu-1705386953147","leaves":[{"text":"   }","marks":[]}]}]}]},{"type":"block","id":"qc52-1705386953151","name":"paragraph","data":{},"nodes":[{"type":"text","id":"8rJ5-1705386953150","leaves":[{"text":"验证单例是否成功：","marks":[{"type":"color","value":"#ff0000"}]}]}]},{"type":"block","id":"nZfY-1705386953156","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"DWjV-1705386953153","name":"code-line","data":{},"nodes":[{"type":"text","id":"6SbQ-1705386953152","leaves":[{"text":" SqlSugarHelper.Db.HasCode();//只要看这个hascode在服务启动后都一个那么说明成功了","marks":[]}]}]},{"type":"block","id":"VPPY-1705386953155","name":"code-line","data":{},"nodes":[{"type":"text","id":"bJ5q-1705386953154","leaves":[{"text":" //IOC直接复制我的DEMO就不需要验证","marks":[]}]}]}]},{"type":"block","id":"T5GX-1705386953158","name":"heading","data":{"level":"h3"},"nodes":[{"type":"text","id":"elPO-1705386953157","leaves":[{"text":"2.2 偶发错误 ","marks":[]}]}]},{"type":"block","id":"7No1-1705386953159","name":"paragraph","data":{},"nodes":[{"type":"text","id":"0tkY-1705386951847","leaves":[{"text":"详情：","marks":[{"type":"color","value":"#ff0000"}]}]},{"type":"inline","id":"X7P8-1705386951849","name":"link","data":{"href":"https://www.donet5.com/Home/Doc?typeId=1224"},"nodes":[{"type":"text","id":"rGyF-1705386951848","leaves":[{"text":"https://www.donet5.com/Home/Doc?typeId=1224","marks":[]}]}]},{"type":"text","id":"ACIj-1705386951850","leaves":[{"text":"","marks":[{"type":"color","value":"#ff0000"}]}]}]},{"type":"block","id":"SFPa-1705386953161","name":"heading","data":{"level":"h3"},"nodes":[{"type":"text","id":"BP7E-1705386953160","leaves":[{"text":"2.4 原理","marks":[]}]}]},{"type":"block","id":"PAMH-1705386953163","name":"paragraph","data":{},"nodes":[{"type":"inline","id":"vfKa-1705386951852","name":"link","data":{"href":"https://www.donet5.com/Home/Doc?typeId=2352"},"nodes":[{"type":"text","id":"eHdx-1705386953162","leaves":[{"text":"https://www.donet5.com/Home/Doc?typeId=2352","marks":[]}]}]}]},{"type":"block","id":"tJ4Z-1705386953165","name":"heading","data":{"level":"h3"},"nodes":[{"type":"text","id":"PEdf-1705386953164","leaves":[{"text":"2.5  AddSingleton IOC","marks":[]}]}]},{"type":"block","id":"QhQo-1705386953167","name":"paragraph","data":{},"nodes":[{"type":"text","id":"cSyh-1705386953166","leaves":[{"text":"AddSingleton 我们需要用SqlSugarScope单例对象","marks":[]}]}]},{"type":"block","id":"CXaA-1705386953233","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"8R7v-1705386953170","name":"code-line","data":{},"nodes":[{"type":"text","id":"6iIZ-1705386953169","leaves":[{"text":"//注册上下文：AOP里面可以获取IOC对象，如果有现成框架比如Furion可以不写这一行","marks":[]}]}]},{"type":"block","id":"SQ7L-1705386953172","name":"code-line","data":{},"nodes":[{"type":"text","id":"oA39-1705386953171","leaves":[{"text":"services.AddHttpContextAccessor();","marks":[]}]}]},{"type":"block","id":"vlXc-1705386953174","name":"code-line","data":{},"nodes":[{"type":"text","id":"Iy1P-1705386953173","leaves":[{"text":"//注册SqlSugar","marks":[]}]}]},{"type":"block","id":"Alju-1705386953176","name":"code-line","data":{},"nodes":[{"type":"text","id":"59Kt-1705386953175","leaves":[{"text":"services.AddSingleton(s =>","marks":[]}]}]},{"type":"block","id":"4Eua-1705386953178","name":"code-line","data":{},"nodes":[{"type":"text","id":"1JiZ-1705386953177","leaves":[{"text":"{","marks":[]}]}]},{"type":"block","id":"kcU2-1705386953180","name":"code-line","data":{},"nodes":[{"type":"text","id":"YAX3-1705386953179","leaves":[{"text":"    SqlSugarScope sqlSugar = new SqlSugarScope(new ConnectionConfig()","marks":[]}]}]},{"type":"block","id":"Jrl4-1705386953182","name":"code-line","data":{},"nodes":[{"type":"text","id":"1Hk5-1705386953181","leaves":[{"text":"    {","marks":[]}]}]},{"type":"block","id":"YO4V-1705386953184","name":"code-line","data":{},"nodes":[{"type":"text","id":"D8mq-1705386953183","leaves":[{"text":"        DbType = SqlSugar.DbType.Sqlite,","marks":[]}]}]},{"type":"block","id":"epkQ-1705386953186","name":"code-line","data":{},"nodes":[{"type":"text","id":"9mYM-1705386953185","leaves":[{"text":"        ConnectionString = \"DataSource=sqlsugar-dev.db\",","marks":[]}]}]},{"type":"block","id":"fpoz-1705386953188","name":"code-line","data":{},"nodes":[{"type":"text","id":"S7Lo-1705386953187","leaves":[{"text":"        IsAutoCloseConnection = true,","marks":[]}]}]},{"type":"block","id":"7OKJ-1705386953190","name":"code-line","data":{},"nodes":[{"type":"text","id":"gNmv-1705386953189","leaves":[{"text":"    },","marks":[]}]}]},{"type":"block","id":"curd-1705386953192","name":"code-line","data":{},"nodes":[{"type":"text","id":"sQVO-1705386953191","leaves":[{"text":"   db =>","marks":[]}]}]},{"type":"block","id":"G09K-1705386953194","name":"code-line","data":{},"nodes":[{"type":"text","id":"hBD4-1705386953193","leaves":[{"text":"   {         ","marks":[]}]}]},{"type":"block","id":"V24R-1705386953196","name":"code-line","data":{},"nodes":[{"type":"text","id":"80Y8-1705386953195","leaves":[{"text":"      //每次上下文都会执行","marks":[]}]}]},{"type":"block","id":"cSu3-1705386953198","name":"code-line","data":{},"nodes":[{"type":"text","id":"Kza9-1705386953197","leaves":[{"text":"           ","marks":[]}]}]},{"type":"block","id":"JwkV-1705386953200","name":"code-line","data":{},"nodes":[{"type":"text","id":"YpJr-1705386953199","leaves":[{"text":"      //获取IOC对象不要求在一个上下文","marks":[]}]}]},{"type":"block","id":"zJfh-1705386953202","name":"code-line","data":{},"nodes":[{"type":"text","id":"xYr8-1705386953201","leaves":[{"text":"      //vra log=s.GetService()","marks":[]}]}]},{"type":"block","id":"ilHx-1705386953204","name":"code-line","data":{},"nodes":[{"type":"text","id":"BnUu-1705386953203","leaves":[{"text":"               ","marks":[]}]}]},{"type":"block","id":"flbU-1705386953206","name":"code-line","data":{},"nodes":[{"type":"text","id":"7tA5-1705386953205","leaves":[{"text":"      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对性能有影响，特别大的SQL参数多的，调试使用","marks":[]}]}]},{"type":"block","id":"uBYf-1705386953419","name":"code-line","data":{},"nodes":[{"type":"text","id":"qmpb-1705386953418","leaves":[{"text":"                     Console.WriteLine(UtilMethods.GetSqlString(DbType.SqlServer,sql,pars))","marks":[]}]}]},{"type":"block","id":"DoPd-1705386953421","name":"code-line","data":{},"nodes":[{"type":"text","id":"wdFP-1705386953420","leaves":[{"text":"                 }","marks":[]}]}]},{"type":"block","id":"31Bi-1705386953423","name":"code-line","data":{},"nodes":[{"type":"text","id":"e0vw-1705386953422","leaves":[{"text":"                 //注意多租户有几个设置几个","marks":[]}]}]},{"type":"block","id":"jiNC-1705386953425","name":"code-line","data":{},"nodes":[{"type":"text","id":"VxtX-1705386953424","leaves":[{"text":"                 //db.GetConnection(i).Aop","marks":[]}]}]},{"type":"block","id":"7NGR-1705386953427","name":"code-line","data":{},"nodes":[{"type":"text","id":"xNw4-1705386953426","leaves":[{"text":"      });","marks":[]}]}]},{"type":"block","id":"abXz-1705386953429","name":"code-line","data":{},"nodes":[{"type":"text","id":"3l1O-1705386953428","leaves":[{"text":"   //老版本","marks":[]}]}]},{"type":"block","id":"fcoN-1705386953431","name":"code-line","data":{},"nodes":[{"type":"text","id":"CYY1-1705386953430","leaves":[{"text":"   //版本太老没有db=>{}委托写在下面一行就行了","marks":[]}]}]}]},{"type":"block","id":"tBUU-1705386953434","name":"heading","data":{"level":"h3"},"nodes":[{"type":"text","id":"jWVE-1705386953433","leaves":[{"text":"多库设置SQL","marks":[]}]}]},{"type":"block","id":"t1iP-1705386953436","name":"paragraph","data":{},"nodes":[{"type":"text","id":"pOOi-1705386953435","leaves":[{"text":"打印和上面有区别，需要一个一个设置","marks":[]}]}]},{"type":"block","id":"b1cD-1705386953480","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"us9d-1705386953438","name":"code-line","data":{},"nodes":[{"type":"text","id":"DGtg-1705386953437","leaves":[{"text":"//注意: ","marks":[]}]}]},{"type":"block","id":"xj7H-1705386953440","name":"code-line","data":{},"nodes":[{"type":"text","id":"gK7d-1705386953439","leaves":[{"text":"//如果你用的 GetConnectionScope或者 GetConnectionScopeWithAttr AOP也应该用 GetConnectionScope ","marks":[]}]}]},{"type":"block","id":"eK1O-1705386953442","name":"code-line","data":{},"nodes":[{"type":"text","id":"f8wT-1705386953441","leaves":[{"text":"//如果你用的 GetConnection或者 GetConnectionWithAttr AOP也应该用 GetConnectionScope ","marks":[]}]}]},{"type":"block","id":"2sob-1705386953444","name":"code-line","data":{},"nodes":[{"type":"text","id":"Tu7Y-1705386953443","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"qYAs-1705386953446","name":"code-line","data":{},"nodes":[{"type":"text","id":"aNzt-1705386953445","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"dgx3-1705386953448","name":"code-line","data":{},"nodes":[{"type":"text","id":"CCUe-1705386953447","leaves":[{"text":"  SqlSugarClient Db= new SqlSugarClient(new ConnectionConfig(){","marks":[]}]}]},{"type":"block","id":"1u0u-1705386953450","name":"code-line","data":{},"nodes":[{"type":"text","id":"jFY7-1705386953449","leaves":[{"text":"           ConnectionString = \"连接符字串\", ","marks":[]}]}]},{"type":"block","id":"4XXZ-1705386953452","name":"code-line","data":{},"nodes":[{"type":"text","id":"fzpj-1705386953451","leaves":[{"text":"           DbType = DbType.SqlServer,","marks":[]}]}]},{"type":"block","id":"eFWl-1705386953454","name":"code-line","data":{},"nodes":[{"type":"text","id":"XDYN-1705386953453","leaves":[{"text":"           IsAutoCloseConnection = true},","marks":[]}]}]},{"type":"block","id":"ZVQt-1705386953456","name":"code-line","data":{},"nodes":[{"type":"text","id":"RnOL-1705386953455","leaves":[{"text":"           db=>{  ","marks":[]}]}]},{"type":"block","id":"hlxA-1705386953458","name":"code-line","data":{},"nodes":[{"type":"text","id":"VCyH-1705386953457","leaves":[{"text":"                    //也可以这里面循环","marks":[]}]}]},{"type":"block","id":"M1vO-1705386953460","name":"code-line","data":{},"nodes":[{"type":"text","id":"FS9A-1705386953459","leaves":[{"text":"                   db.GetConnection(\"1\").Aop.OnLogExecuting = (sql, pars) =>","marks":[]}]}]},{"type":"block","id":"wXYD-1705386953462","name":"code-line","data":{},"nodes":[{"type":"text","id":"lSZx-1705386953461","leaves":[{"text":"                   {","marks":[]}]}]},{"type":"block","id":"lfFT-1705386953464","name":"code-line","data":{},"nodes":[{"type":"text","id":"hath-1705386953463","leaves":[{"text":"                     Console.WriteLine(\"执行1库\"+sql);","marks":[]}]}]},{"type":"block","id":"OZjs-1705386953466","name":"code-line","data":{},"nodes":[{"type":"text","id":"gVbX-1705386953465","leaves":[{"text":"                   };","marks":[]}]}]},{"type":"block","id":"E4JA-1705386953468","name":"code-line","data":{},"nodes":[{"type":"text","id":"SC1e-1705386953467","leaves":[{"text":"                   db.GetConnection(\"0\").Aop.OnLogExecuting = (sql, pars) =>","marks":[]}]}]},{"type":"block","id":"0XrS-1705386953470","name":"code-line","data":{},"nodes":[{"type":"text","id":"p3Lv-1705386953469","leaves":[{"text":"                   {","marks":[]}]}]},{"type":"block","id":"fSud-1705386953473","name":"code-line","data":{},"nodes":[{"type":"text","id":"ZYw9-1705386953472","leaves":[{"text":"                      Console.WriteLine(\"执行0库\"+sql);","marks":[]}]}]},{"type":"block","id":"hW1c-1705386953475","name":"code-line","data":{},"nodes":[{"type":"text","id":"IbEw-1705386953474","leaves":[{"text":"                   };","marks":[]}]}]},{"type":"block","id":"Su64-1705386953477","name":"code-line","data":{},"nodes":[{"type":"text","id":"UHQt-1705386953476","leaves":[{"text":" ","marks":[]}]}]},{"type":"block","id":"m0M4-1705386953479","name":"code-line","data":{},"nodes":[{"type":"text","id":"akdL-1705386953478","leaves":[{"text":"  });","marks":[]}]}]}]},{"type":"block","id":"GhPS-1705386953482","name":"paragraph","data":{},"nodes":[{"type":"text","id":"Zv2p-1705386953481","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"gOaM-1705386953484","name":"heading","data":{"level":"h2"},"nodes":[{"type":"text","id":"bJ9C-1705386953483","leaves":[{"text":"国际化","marks":[]}]}]},{"type":"block","id":"CTrK-1705386953486","name":"paragraph","data":{},"nodes":[{"type":"text","id":"hUVb-1705386953485","leaves":[{"text":"错误提示可以设置相应的语言","marks":[]}]}]},{"type":"block","id":"xtt8-1705386953488","name":"paragraph","data":{},"nodes":[{"type":"text","id":"2q3N-1705386953487","leaves":[{"text":"1.枚举说明","marks":[]}]}]},{"type":"block","id":"yCjf-1705386953501","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"wS41-1705386953490","name":"code-line","data":{},"nodes":[{"type":"text","id":"71AQ-1705386953489","leaves":[{"text":"    public enum LanguageType","marks":[]}]}]},{"type":"block","id":"c3bv-1705386953492","name":"code-line","data":{},"nodes":[{"type":"text","id":"fpfi-1705386953491","leaves":[{"text":"    {","marks":[]}]}]},{"type":"block","id":"40m3-1705386953494","name":"code-line","data":{},"nodes":[{"type":"text","id":"F9wM-1705386953493","leaves":[{"text":"        Default=0, //中&英","marks":[]}]}]},{"type":"block","id":"b9Ip-1705386953496","name":"code-line","data":{},"nodes":[{"type":"text","id":"Hqh8-1705386953495","leaves":[{"text":"        Chinese=1, //处理过的异常尽量中文,未处理的还是英文","marks":[]}]}]},{"type":"block","id":"ndL4-1705386953498","name":"code-line","data":{},"nodes":[{"type":"text","id":"GwlJ-1705386953497","leaves":[{"text":"        English=2 //全部英文","marks":[]}]}]},{"type":"block","id":"mBQU-1705386953500","name":"code-line","data":{},"nodes":[{"type":"text","id":"OYRc-1705386953499","leaves":[{"text":"    }","marks":[]}]}]}]},{"type":"block","id":"ycfr-1705386953503","name":"paragraph","data":{},"nodes":[{"type":"text","id":"bYFF-1705386953502","leaves":[{"text":"2.用例 ","marks":[]}]}]},{"type":"block","id":"beHq-1705386953518","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"fB58-1705386953505","name":"code-line","data":{},"nodes":[{"type":"text","id":"knLE-1705386953504","leaves":[{"text":"  SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()","marks":[]}]}]},{"type":"block","id":"9wny-1705386953507","name":"code-line","data":{},"nodes":[{"type":"text","id":"akNC-1705386953506","leaves":[{"text":"  {","marks":[]}]}]},{"type":"block","id":"wvcJ-1705386953509","name":"code-line","data":{},"nodes":[{"type":"text","id":"63Um-1705386953508","leaves":[{"text":"                ConnectionString = Config.ConnectionString,","marks":[]}]}]},{"type":"block","id":"B57m-1705386953511","name":"code-line","data":{},"nodes":[{"type":"text","id":"QowU-1705386953510","leaves":[{"text":"                DbType = DbType.SqlServer,","marks":[]}]}]},{"type":"block","id":"eYLL-1705386953513","name":"code-line","data":{},"nodes":[{"type":"text","id":"RSsX-1705386953512","leaves":[{"text":"                LanguageType=LanguageType.English,//只显示英文","marks":[]}]}]},{"type":"block","id":"VgH0-1705386953515","name":"code-line","data":{},"nodes":[{"type":"text","id":"VqYY-1705386953514","leaves":[{"text":"                IsAutoCloseConnection = true ","marks":[]}]}]},{"type":"block","id":"V7OY-1705386953517","name":"code-line","data":{},"nodes":[{"type":"text","id":"POjd-1705386953516","leaves":[{"text":"   });","marks":[]}]}]}]},{"type":"block","id":"J62n-1705386953520","name":"paragraph","data":{},"nodes":[{"type":"text","id":"TABs-1705386953519","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"lxYy-1705386953522","name":"heading","data":{"level":"h2"},"nodes":[{"type":"text","id":"djSc-1705386953521","leaves":[{"text":"长连接用法(3种方式)","marks":[]}]}]},{"type":"block","id":"Q66x-1705386953524","name":"paragraph","data":{},"nodes":[{"type":"text","id":"LQh3-1705386953523","leaves":[{"text":"1.事务中是长连接","marks":[]}]}]},{"type":"block","id":"nd55-1705386953526","name":"paragraph","data":{},"nodes":[{"type":"text","id":"z5cw-1705386953525","leaves":[{"text":"2.手动释放模式是长连接（不推荐需要手动释放）","marks":[]}]}]},{"type":"block","id":"sPUR-1705386953528","name":"paragraph","data":{},"nodes":[{"type":"text","id":"SSGg-1705386953527","leaves":[{"text":"3.自动释放中不使用事务我们可以用OpenAlways实现长连接","marks":[]}]}]},{"type":"block","id":"74fW-1705386953545","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"6m5e-1705386953530","name":"code-line","data":{},"nodes":[{"type":"text","id":"PV0h-1705386953529","leaves":[{"text":" //5.0.6.3","marks":[]}]}]},{"type":"block","id":"wNFx-1705386953532","name":"code-line","data":{},"nodes":[{"type":"text","id":"wQ1I-1705386953531","leaves":[{"text":" using (db.Ado.OpenAlways()) {","marks":[]}]}]},{"type":"block","id":"WBhQ-1705386953534","name":"code-line","data":{},"nodes":[{"type":"text","id":"39F6-1705386953533","leaves":[{"text":"    ","marks":[]}]}]},{"type":"block","id":"94za-1705386953536","name":"code-line","data":{},"nodes":[{"type":"text","id":"GvSi-1705386953535","leaves":[{"text":"     db.Queryable...","marks":[]}]}]},{"type":"block","id":"xNlM-1705386953538","name":"code-line","data":{},"nodes":[{"type":"text","id":"bAV1-1705386953537","leaves":[{"text":"     db.Insertable...","marks":[]}]}]},{"type":"block","id":"obid-1705386953540","name":"code-line","data":{},"nodes":[{"type":"text","id":"rncq-1705386953539","leaves":[{"text":"     //比如当前会话生效的临时表就需要长连接，不然创建了访问不了","marks":[]}]}]},{"type":"block","id":"fixr-1705386953542","name":"code-line","data":{},"nodes":[{"type":"text","id":"z9A7-1705386953541","leaves":[{"text":"            ","marks":[]}]}]},{"type":"block","id":"j6Xp-1705386953544","name":"code-line","data":{},"nodes":[{"type":"text","id":"afPf-1705386953543","leaves":[{"text":" }","marks":[]}]}]}]},{"type":"block","id":"rf1H-1705386953547","name":"paragraph","data":{},"nodes":[{"type":"text","id":"lIYF-1705386953546","leaves":[{"text":"","marks":[]}]}]},{"type":"block","id":"qWcJ-1705386953549","name":"heading","data":{"level":"h2"},"nodes":[{"type":"text","id":"gZgq-1705386953548","leaves":[{"text":"配置最小时间","marks":[]}]}]},{"type":"block","id":"6MhI-1705386953551","name":"paragraph","data":{},"nodes":[{"type":"text","id":"CMDi-1705386953550","leaves":[{"text":"新功能：5.0.8.1","marks":[{"type":"color","value":"#ff0000"}]}]}]},{"type":"block","id":"Cp3n-1705386953553","name":"paragraph","data":{},"nodes":[{"type":"text","id":"LpyB-1705386953552","leaves":[{"text":"推荐用默认的，这样多种数据库使用不报错，当然你也可以强制设置","marks":[]}]}]},{"type":"block","id":"2iOy-1705386953562","name":"code","data":{"language":"","theme":"default"},"nodes":[{"type":"block","id":"66hf-1705386953555","name":"code-line","data":{},"nodes":[{"type":"text","id":"06Ca-1705386953554","leaves":[{"text":" db.CurrentConnectionConfig.MoreSettings = new ConnMoreSettings","marks":[]}]}]},{"type":"block","id":"TbYE-1705386953557","name":"code-line","data":{},"nodes":[{"type":"text","id":"uv1Y-1705386953556","leaves":[{"text":"  {","marks":[]}]}]},{"type":"block","id":"tuxh-1705386953559","name":"code-line","data":{},"nodes":[{"type":"text","id":"nlMo-1705386953558","leaves":[{"text":"        DbMinDate = DateTime.MinValue//默认最小时间是 1900-01-01 00:00:00.000 ","marks":[]}]}]},{"type":"block","id":"6SNU-1705386953561","name":"code-line","data":{},"nodes":[{"type":"text","id":"I3ZW-1705386953560","leaves":[{"text":"   };","marks":[]}]}]}]},{"type":"block","id":"SqWr-1705386953564","name":"paragraph","data":{},"nodes":[{"type":"text","id":"Mzm9-1705386953563","leaves":[{"text":"                    ","marks":[]}]}]}]">SqlSugar入门

创建对象

你可以使用 SqlSugarClient （new模式）或者 SqlSugarScope （单例）对数据库进行增、删、查、改等功能注意：除了名字和使用模式不同，功能和API都一模一样SqlSugarClient（new模式）优点：性能比SqlSugarScope有5%左右提升缺点： db不能跨上下文使用，需要new出一个新对象（EF和Dapper一样），偶发错误难排查适合有经验用户模式：不能单例,因为他不是线程安全对象SqlSugarScope （单例模式）5.0.3.4特色功能如果没有.NET 开发经验的推荐使用 SqlSugarScope能够解决大部分线程安全问题。原理是用的AsyncLocal异步上下文的不同来实现的线程安全。注意：同一个异步上下文进行并发操作AsyncLocal也不能保证线程安, 下面3种情况 1.第三方Job  (必须将db改成db.CopyNew()) 2.Task.WhenAll 、ForAsync 、ParallelAsync (必须将db改成db.CopyNew()) 3. 异步漏写await 或者方法不是Task类型或者Func（Void(方法) Action(表达式)（推荐修改错误代码 , 如果就是不想修改也是可以db.CopyNew()解决）  模式：单例模式 SqlSugarScope一直new会内存泄露一定要用单例  1、Scope模式：SqlSugarClient

注意非单例模式用的是SqlSugarClient , 禁止用SqlSugarScope1.1 完整用例

SqlSugarClient 每次请求new一个新对象，db禁止跨上下文使用，IOC建议用Scope或者瞬发注入 //查询所有
public static void Demo()
{

//创建数据库对象 (用法和EF Dappper一样通过new保证线程安全)
SqlSugarClient Db= new SqlSugarClient(new ConnectionConfig(){
      ConnectionString = "连接符字串",
      DbType = DbType.SqlServer,
      IsAutoCloseConnection = true},
      db=>{
            //5.1.3.24统一了语法和SqlSugarScope一样，老版本AOP可以写外面

               db.Aop.OnLogExecuting = (sql, pars) =>
               {
               Console.WriteLine(sql);//输出sql,查看执行sql 性能无影响


               //获取原生SQL推荐 5.1.4.63性能OK
                  Console.WriteLine(UtilMethods.GetNativeSql(sql,pars))

               //获取无参数化SQL 对性能有影响，特别大的SQL参数多的，调试使用
               //UtilMethods.GetSqlString(DbType.SqlServer,sql,pars)


               };

               //注意多租户有几个设置几个
               //db.GetConnection(i).Aop

      });

//建表
//db.CodeFirst.InitTables<Student>(); 更多看文档迁移

//查询表的所有
var list = db.Queryable<Student>().ToList();

//插入
db.Insertable(new Student() { SchoolId = 1, Name = "jack" }).ExecuteCommand();

//更新
db.Updateable(new Student() { Id = 1, SchoolId = 2, Name = "jack2" }).ExecuteCommand();

//删除
db.Deleteable<Student>().Where(it => it.Id == 1).ExecuteCommand();

}



//实体与数据库结构一样
public class Student
{
//数据是自增需要加上IsIdentity
//数据库是主键需要加上IsPrimaryKey
//注意：要完全和数据库一致2个属性

public int Id { get; set; }
public int? SchoolId { get; set; }
public string Name { get; set; }
}1.2 偶发错误

SqlSugarClient 出现偶发错误全部换成SqlSugarScope进行测试，如果换了不报错了那么证明就是线程安全问题，你也可以直接使用SqlSugarScope因为他是线程安全的 ,用SqlSugarScope要改成单例不然会有内存增加风险详情：https://www.donet5.com/Home/Doc?typeId=1224 1.3 AddScope IOC

Scope我们需要用SqlSugarClient//注册上下文：AOP里面可以获取IOC对象，如果有现成框架比如Furion可以不写这一行
services.AddHttpContextAccessor();
//注册SqlSugar用AddScoped
services.AddScoped<ISqlSugarClient>(s =>
{
   //Scoped用SqlSugarClient
SqlSugarClient sqlSugar = new SqlSugarClient (new ConnectionConfig()
{
   DbType = SqlSugar.DbType.Sqlite,
   ConnectionString = "DataSource=sqlsugar-dev.db",
   IsAutoCloseConnection = true,
},
db =>
{
   //每次上下文都会执行

   //获取IOC对象不要求在一个上下文
   //vra log=s.GetService<Log>()

   //获取IOC对象要求在一个上下文
   //var appServive = s.GetService<IHttpContextAccessor>();
   //var log= appServive?.HttpContext?.RequestServices.GetService<Log>();

   db.Aop.OnLogExecuting = (sql, pars) =>
   {

   };
});
return sqlSugar;
});

//用接口接收
public class(ISqlSugarClientdb) 2、单例模式：SqlSugarScope

2.1 完整用例

SqlSugarScope 请使用单例模式，配置参数有2种周期(A)：全局生效(B): 当前上下文生效 publicclassSqlSugarHelper //不能是泛型类
{

//多库情况下使用说明：
//如果是固定多库可以传 new SqlSugarScope(List<ConnectionConfig>,db=>{}) 文档：多租户
//如果是不固定多库可以看文档Saas分库

//用单例模式
public static SqlSugarScope Db= new SqlSugarScope(new ConnectionConfig()
{
         ConnectionString = "Server=.xxxxx",//连接符字串
         DbType = DbType.SqlServer,//数据库类型
         IsAutoCloseConnection = true //不设成true要手动close
},
db=> {
      //(A)全局生效配置点，一般AOP和程序启动的配置扔这里面，所有上下文生效
      //调试SQL事件，可以删掉
      db.Aop.OnLogExecuting = (sql, pars) =>
      {
      Console.WriteLine(sql);//输出sql,查看执行sql 性能无影响

      //获取原生SQL推荐 5.1.4.63性能OK
      //UtilMethods.GetNativeSql(sql,pars)

      //获取无参数化SQL 对性能有影响，特别大的SQL参数多的，调试使用
      //UtilMethods.GetSqlString(DbType.SqlServer,sql,pars)

      };

      //多个配置就写下面
      //db.Ado.IsDisableMasterSlaveSeparation=true;

      //注意多租户有几个设置几个
      //db.GetConnection(i).Aop
});
}
//(B)当前上下文生效配置点,一般多租户相关操作写在这儿
//db.GetConnectionxxx 只在当前上下文有效，不会共享
//如果是程序启动时的配置全部到A里面去

//建表
//db.CodeFirst.InitTables<Student>(); 更多看文档迁移

//查询表的所有
var list=SqlSugarHelper.Db.Queryable<Student>().ToList();

//插入
SqlSugarHelper.Db.Insertable(new Student(){ SchoolId = 1, Name = "jack" }).ExecuteCommand();

//更新
SqlSugarHelper.Db.Updateable(new Student(){ Id = 1,SchoolId=2,Name="jack2" }).ExecuteCommand();

//删除
SqlSugarHelper.Db.Deleteable<Student>().Where(it => it.Id == 1).ExecuteCommand();

//实体与数据库结构一样
public class Student
{
//数据是自增需要加上IsIdentity
//数据库是主键需要加上IsPrimaryKey
//注意：要完全和数据库一致2个属性

public int Id { get; set; }
public int? SchoolId { get; set; }
public string Name { get; set; }
}验证单例是否成功：SqlSugarHelper.Db.HasCode();//只要看这个hascode在服务启动后都一个那么说明成功了 //IOC直接复制我的DEMO就不需要验证2.2 偶发错误

详情：https://www.donet5.com/Home/Doc?typeId=12242.3 原理

https://www.donet5.com/Home/Doc?typeId=23522.4 AddSingleton IOC

//注册上下文：AOP里面可以获取IOC对象，如果有现成框架比如Furion可以不写这一行
services.AddHttpContextAccessor();
//注册SqlSugar
services.AddSingleton<ISqlSugarClient>(s =>
{
SqlSugarScope sqlSugar = new SqlSugarScope(new ConnectionConfig()
{
   DbType = SqlSugar.DbType.Sqlite,
   ConnectionString = "DataSource=sqlsugar-dev.db",
   IsAutoCloseConnection = true,
},
db =>
{
   //每次上下文都会执行

   //获取IOC对象不要求在一个上下文
   //vra log=s.GetService<Log>()

   //获取IOC对象要求在一个上下文
   //var appServive = s.GetService<IHttpContextAccessor>();
   //var log= appServive?.HttpContext?.RequestServices.GetService<Log>();

   db.Aop.OnLogExecuting = (sql, pars) =>
   {

   };
});
return sqlSugar;
});

//用接口接收
public class(ISqlSugarClientdb) 多库用法

var db = new SqlSugarClient(new List<ConnectionConfig>()
{
new ConnectionConfig(){ConfigId="0",DbType=DbType.SqlServer,ConnectionString=..,IsAutoCloseConnection=true},
new ConnectionConfig(){ConfigId="1",DbType=DbType.MySql,ConnectionString=..,IsAutoCloseConnection=true}
});
var childA=db.GetConnection("A");
var childB=db.GetConnection("B");详细教程：https://www.donet5.com/Home/Doc?typeId=2246 连接参数SqlSugarClient是通过ConnectionConfig进行传参数详细参数如下名称描述必填DbType数据库类型是ConnectionString连接字符串是IsAutoCloseConnection自动释放和关闭数据库连接，如果有事务事务结束时关闭，否则每次操作后关闭 ConfigureExternalServices一些扩展层务的集成 MoreSettings

[*]点击查看
SlaveConnectionConfigs主从设置 LanguageType提示错误可以设置语言  设置超时设置超时时间//Sql超时
db.Ado.CommandTimeOut = 30;//单位秒

//db.Open 连接超时
//在连接池符串加上 Connection Timeout=10，默认是30秒，单位秒  验证连接是否成功（数据库连接成功）版本要求:5.0.6.5 preview05 +db.Ado.IsValidConnection()//如果时间长，可以在连接字符串配置连接超时时间

//上面写法如果写到事务中会影响事务
//事务中我会可以new一个新对象处理
db.CopyNew().Ado.IsValidConnection()
// 数据库连接成功打印SQL

单库sql打印

SqlSugarClient Db= new SqlSugarClient(new ConnectionConfig(){
      ConnectionString = "连接符字串",
      DbType = DbType.SqlServer,
      IsAutoCloseConnection = true},
      db=>{
            //5.1.3.24统一了语法和SqlSugarScope一样，老版本AOP可以写外面
            db.Aop.OnLogExecuting = (sql, pars) =>
            {
                  Console.WriteLine(sql);//输出sql,查看执行sql 性能无影响

                  //获取原生SQL推荐 5.1.4.63性能OK
                  Console.WriteLine(UtilMethods.GetNativeSql(sql,pars))

                  //获取无参数化SQL 对性能有影响，特别大的SQL参数多的，调试使用
                  Console.WriteLine(UtilMethods.GetSqlString(DbType.SqlServer,sql,pars))
            }
            //注意多租户有几个设置几个
            //db.GetConnection(i).Aop
   });
//老版本
//版本太老没有db=>{}委托写在下面一行就行了多库设置SQL

打印和上面有区别，需要一个一个设置//注意:
//如果你用的 GetConnectionScope或者 GetConnectionScopeWithAttr AOP也应该用 GetConnectionScope
//如果你用的 GetConnection或者 GetConnectionWithAttr AOP也应该用 GetConnectionScope

SqlSugarClient Db= new SqlSugarClient(new ConnectionConfig(){
      ConnectionString = "连接符字串",
      DbType = DbType.SqlServer,
      IsAutoCloseConnection = true},
      db=>{
               //也可以这里面循环
               db.GetConnection("1").Aop.OnLogExecuting = (sql, pars) =>
               {
                  Console.WriteLine("执行1库"+sql);
               };
               db.GetConnection("0").Aop.OnLogExecuting = (sql, pars) =>
               {
                  Console.WriteLine("执行0库"+sql);
               };

}); 国际化

错误提示可以设置相应的语言1.枚举说明

public enum LanguageType
{
   Default=0, //中&英
   Chinese=1, //处理过的异常尽量中文,未处理的还是英文
   English=2 //全部英文
}2.用例

SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
{
            ConnectionString = Config.ConnectionString,
            DbType = DbType.SqlServer,
            LanguageType=LanguageType.English,//只显示英文
            IsAutoCloseConnection = true
}); 长连接用法(3种方式)

1.事务中是长连接

2.手动释放模式是长连接（不推荐需要手动释放）

3.自动释放中不使用事务我们可以用OpenAlways实现长连接

//5.0.6.3
using (db.Ado.OpenAlways()) {

db.Queryable...
db.Insertable...
//比如当前会话生效的临时表就需要长连接，不然创建了访问不了

} 配置最小时间

新功能：5.0.8.1推荐用默认的，这样多种数据库使用不报错，当然你也可以强制设置 db.CurrentConnectionConfig.MoreSettings = new ConnMoreSettings
{
   DbMinDate = DateTime.MinValue//默认最小时间是 1900-01-01 00:00:00.000
};
来源:https://www.cnblogs.com/yswenli/p/17967640
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