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目前,关于java的面试相关的,网上可以说是多的数不胜数,但是关于.net的,找来找去却发现很少,并且大部分相似,所以,我这里便想做个关于.net面试相关的功能,所以就我花了好几个周末的时间,毛毛糙糙的算是把这个功能赶了出来,当然也有很多不完善的地方。欢迎大家赏脸哈!现在我把我的实现步骤贴出来分享一下。
因为一个人开发,个人精力以及能力有限,很多地方也会有不好的地方,所以希望大家多多包涵,如果感兴趣的话,可以点进去瞧瞧 https://www.xiandanplay.com/interview-manual
1.功能需求
大致罗列下需求:
- 题目分类管理
- 题目的发布,只要谁登录了网站都可以发布,默认是待审核的,网页只显示 已审核、待审核的功能
- 题目解析,发布者必须填写自己的对题目的解析,其他人也可以提交参考解析,并且展现出来
- 对题目解析的查看,如果第一次查看这个题目,需要点击“查看解析”的按钮,如果已登录并且查看过,则第二次就不需要点“查看解析”的按钮了。
- 支持对题目的标题、难度、标签的查询
2.表(实体)结构设计
这里我就用实体来表示了,因为我是用的ef,基本上用CodeFirst就是表结构了
1.题目表
- public class Question : Entity<long>
- {
- /// <summary>
- /// 标题
- /// </summary>
- public string Title { get; set; }
- /// <summary>
- /// 类型
- /// </summary>
- public QuestionTypeEnum QuestionType { get; set; }
- /// <summary>
- /// 提交人id
- /// </summary>
- public long UserId { get; set; }
- /// <summary>
- /// 提交人
- /// </summary>
- public User User { get; set; }
- /// <summary>
- /// 题目分类id
- /// </summary>
- public long? QuestionCategoryId { get; set; }
- /// <summary>
- /// 题目标签
- /// </summary>
- public string QuestionTag { get; set; }
- /// <summary>
- /// 浏览数
- /// </summary>
- public int BrowserCount { get; set; }
- /// <summary>
- /// 评论数
- /// </summary>
- public int CommentCount { get; set; }
- /// <summary>
- /// 收藏数
- /// </summary>
- public int CollectCount { get; set; }
- /// <summary>
- /// 奖励金币
- /// </summary>
- public int RewardCoin { get; set; }
- /// <summary>
- /// 是否发布
- /// </summary>
- public bool IsPublish { get; set; }
- /// <summary>
- /// 审核状态
- /// </summary>
- public ApproveStatus ApproveStatus { get; set; }
- }
复制代码 2.题目解析表
- public class QuestionAnalysis : Entity<long>
- {
- /// <summary>
- /// 题目id
- /// </summary>
- public long InterviewQuestionId { get; set; }
- /// <summary>
- /// 解析简要
- /// </summary>
- public string AnalysisContentDescription { get; set; }
- /// <summary>
- /// 题目解析
- /// </summary>
- public string AnalysisContent { get; set; }
- /// <summary>
- /// 提交人id
- /// </summary>
- public long UserId { get; set; }
- /// <summary>
- /// 提交人
- /// </summary>
- public User User { get; set; }
- /// <summary>
- /// 评论数
- /// </summary>
- public int CommentCount { get; set; }
- /// <summary>
- /// 赞同数
- /// </summary>
- public int AgreeCount { get; set; }
- /// <summary>
- /// 反对数
- /// </summary>
- public int AgainstCount { get; set; }
- /// <summary>
- /// 是否最佳解析
- /// </summary>
- public bool? Best { get; set; }
- /// <summary>
- /// 是否默认
- /// </summary>
- public bool? IsDefault { get; set; }
- /// <summary>
- /// 收货金币
- /// </summary>
- public int? GetCoin { get; set; }
- /// <summary>
- /// 审核状态
- /// </summary>
- public ApproveStatus ApproveStatus { get; set; }
- }
复制代码 3.题目分类表
- public class InterviewQuestionCategory: Entity<long>
- {
- /// <summary>
- /// 分类名称
- /// </summary>
- public string Name { get; set; }
- /// <summary>
- /// 图标
- /// </summary>
- public string Icon { get; set; }
- /// <summary>
- /// 父分类id
- /// </summary>
- public long? ParentCategoryId { get; set; }
- /// <summary>
- /// 是否启用
- /// </summary>
- public bool IsEnable { get; set; }
- /// <summary>
- /// 排序
- /// </summary>
- public int SortNo { get; set; }
- /// <summary>
- /// 描述
- /// </summary>
- public string Description { get; set; }
- }
复制代码 大致就罗列这几个主要的吧。
4、业务逻辑实现
业务代码逻辑倒是没有特别复杂,都是写CRUD,一看就会,这里举例部分代码。
递归获取分类树
- public async Task<List<TreeVM>> GetCategoryTreesAsync()
- {
- List<InterviewQuestionCategory> categorys = await GetCategorys();
- return BuildTrees(categorys);
- }
- private List<TreeVM> BuildTrees(List<InterviewQuestionCategory> interviewQuestionCategories)
- {
- List<TreeVM> list = new List<TreeVM>();
- var roots = interviewQuestionCategories.Where(s => !s.ParentCategoryId.HasValue).OrderBy(s => s.SortNo);
- foreach (var root in roots)
- {
- TreeVM interviewCategoryTreeVM = new TreeVM();
- interviewCategoryTreeVM.Id = root.Id;
- interviewCategoryTreeVM.Label = root.Name;
- interviewCategoryTreeVM.Icon = root.Icon;
- GetChildrens(root, interviewQuestionCategories, interviewCategoryTreeVM);
- list.Add(interviewCategoryTreeVM);
- }
- return list;
- }
- private List<TreeVM> GetChildrens(InterviewQuestionCategory root, List<InterviewQuestionCategory> interviewQuestionCategories, TreeVM interviewCategoryTreeVM = null)
- {
- var childrens = interviewQuestionCategories.Where(s => s.ParentCategoryId == root.Id).OrderBy(s => s.SortNo);
- List<TreeVM> list = new List<TreeVM>();
- foreach (var item in childrens)
- {
- TreeVM treeVM = new TreeVM();
- treeVM.Id = item.Id;
- treeVM.Label = item.Name;
- treeVM.Icon = item.Icon;
- list.Add(treeVM);
- if (interviewQuestionCategories.Any(s => s.ParentCategoryId == item.Id))
- GetChildrens(item, interviewQuestionCategories, treeVM);
- }
- interviewCategoryTreeVM.Children = list;
- return list;
- }
复制代码 创建题目
- public async Task<long> SaveQuestion(SaveInterviewQuestionVM saveInterviewQuestion)
- {
- if (saveInterviewQuestion.IsPublish && string.IsNullOrEmpty(saveInterviewQuestion.AnalysisContent))
- throw new ValidationException("题目解析内容为空");
- var questionRepository = unitOfWork.GetRepository<Question>();
- var questionAnalysisRepository = unitOfWork.GetRepository<QuestionAnalysis>();
- Question question = null;
- QuestionAnalysis questionAnalysis = null;
- bool isAddQuestion = true;
- bool isAddAnalysis = true;
- if (saveInterviewQuestion.Id.HasValue)
- {
- question = await questionRepository.SelectByIdAsync(saveInterviewQuestion.Id.Value);
- if (question.Id != CurrentLoginUser.UserId)
- throw new ValidationException("无权修改");
- questionAnalysis = await questionAnalysisRepository.Select(s => s.InterviewQuestionId == saveInterviewQuestion.Id.Value && s.IsDefault == true).FirstOrDefaultAsync();
- isAddQuestion = false;
- }
- else
- {
- question = new Question()
- {
- Id = CreateEntityId()
- };
- }
- question.Title = saveInterviewQuestion.Title;
- question.QuestionDifficulty = saveInterviewQuestion.Difficultion;
- question.QuestionCategoryId = saveInterviewQuestion.CategoryId;
- question.UserId = LoginUserId.Value;
- question.ApproveStatus = ApproveStatus.ToPass;
- question.IsPublish = saveInterviewQuestion.IsPublish;
- question.QuestionType = QuestionTypeEnum.面试题;
- if (saveInterviewQuestion.QuestionTags != null && saveInterviewQuestion.QuestionTags.Length > 0)
- question.QuestionTag = string.Join(',', saveInterviewQuestion.QuestionTags);
- if (questionAnalysis == null)
- {
- questionAnalysis = new QuestionAnalysis();
- questionAnalysis.Id = CreateEntityId();
- questionAnalysis.IsDefault = true;
- questionAnalysis.InterviewQuestionId = question.Id;
- questionAnalysis.UserId = LoginUserId.Value;
- questionAnalysis.ApproveStatus = ApproveStatus.ToPass;
- questionAnalysis.AnalysisContent = saveInterviewQuestion.AnalysisContent;
- }
- else
- {
- questionAnalysis.AnalysisContent = saveInterviewQuestion.AnalysisContent;
- isAddAnalysis = false;
- }
- if (isAddQuestion)
- await questionRepository.InsertAsync(question);
- else
- await questionRepository.UpdateAsync(question);
- if (isAddAnalysis)
- await questionAnalysisRepository.InsertAsync(questionAnalysis);
- else
- await questionAnalysisRepository.UpdateAsync(questionAnalysis);
- await unitOfWork.CommitAsync();
- return question.Id;
- }
复制代码 使用Redis的Set类型处理赞成与反对操作
- public async Task<bool> AgreeFunc(InterviewQuestionAnalysisAgreeVM agreeVM)
- {
- var cache = CacheClient.CreateClient();
- string cacheKey = $"{CacheKey.InterviewQuestionAnalysisAgreeKey}_{agreeVM.InterviewQuestionAnalysisId}";
- string cacheValue = $"{agreeVM.AgreeType}_{agreeVM.InterviewQuestionAnalysisId}_{LoginUserId.Value}";
- if (agreeVM.AgreeType == 1)
- {
- string oldCacheValue = $"2_{agreeVM.InterviewQuestionAnalysisId}_{LoginUserId.Value}";
- cache.SetRemove(cacheKey, oldCacheValue);
- }
- else
- {
- string oldCacheValue = $"1_{agreeVM.InterviewQuestionAnalysisId}_{LoginUserId.Value}";
- cache.SetRemove(cacheKey, oldCacheValue);
- }
- bool result = cache.AddSet(cacheKey, cacheValue);
- if (result)
- {
- List<string> setMembers= cache.GetMembersBySetKey(cacheKey);
- int agreeCount = 0;
- int againstCount = 0;
- foreach (var item in setMembers)
- {
- if (item.StartsWith('1'))
- agreeCount += 1;
- else
- againstCount += 1;
- }
- await qaRepository.UpdateAgree(agreeVM.InterviewQuestionAnalysisId, agreeCount, againstCount);
- await unitOfWork.CommitAsync();
- return true;
- }
- return false;
- }
复制代码 以上只是部分代码,仅供一下参考,但是也花费了我好多个周末的时间,其它的就不说了,放几个截图看看吧,部分的功能还没完善,这个只是初版。
面试宝典首页图(每日推荐那里还没完成)
详细的面试列表界面
查看页面
提交参考解析的页面
作者:程序员奶牛
个人主页:https://www.xiandanplay.com/user/user-home?id=16782377660907520
来源:https://www.cnblogs.com/MrHanBlog/p/18546762
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