C#调用外部接口（POST、GET）
在C#中调用StringBoot接口，POST请求，案例代码：public string HttpPost(）
{
//把用户传过来的数据转成“UTF-8”的字节流
Encoding encoding = Encoding.UTF8;
//创建一个HTTP请求
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://接口IP地址:端口号/接口路径"); //比如：http://192.168.123.12:8080/api/post
//调用POST方法
request.Method = "POST";
request.ContentType = "application/json; charset=UTF-8";
request.Headers["Accept-Encoding"] = "gzip, deflate";
//content为body中的参数
String content = "{\"message\":\"请求成功\"," +
"\"nid\":\"0000001\"," +
"\"details\":\"员工\"," +
"\"name\":\"zhangsan"}";
byte[] buffer = encoding.GetBytes(content);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
//通过Web访问对象获取响应内容
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
//通过响应内容流创建StreamReader对象
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
//利用StreamReader就可以从响应内容从头读到尾，结果是String类型
var retString = reader.ReadToEnd();
}
return retString； 结果是一个字符串类型：
GET请求，案例代码：
public string HttpGet()
{
//把用户传过来的数据转成“UTF-8”的字节流
Encoding encoding = Encoding.UTF8;
//创建一个HTTP请求
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("接口地址");
//调用GET方法
request.Method = "GET";
request.ContentType = "application/json";
request.Headers["Accept-Encoding"] = "gzip,deflase";
request.AutomaticDecompression = DecompressionMethods.GZip;
//通过Web访问对象获取响应内容
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
// HttpCookie cookies = new HttpCookie("admin"); //如果有需要通过登录实现保存cookie值的话可以加一部分
// cookies.Value = Convert.ToString(response.Headers["Set-Cookie"]); // 通过响应请求读取带cookie的http数据
// cookies.Expires = DateTime.Now.AddDays(1);
// HttpContext.Current.Response.Cookies.Add(cookies);
//通过响应内容流创建StreamReader对象
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8)
//利用StreamReader从响应内容从头读到尾
return reader.ReadToEnd();
}
来源:https://www.cnblogs.com/Svn-Crush/archive/2023/07/11/16771534.html
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