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1.创建一个winform桌面程序的项目(.NET Framework)

2.然后创建一个通用方法的类库:Common

3.在类库中添加接口发送与请求的通用方法:HttpHelper.cs

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public class HttpHelper
{
/// <summary>
/// 调用api返回json
/// </summary>
/// <param name="url">api地址</param>
/// <param name="jsonstr">接收参数</param>
/// <param name="type">类型</param>
/// <returns></returns>
public static string HttpApi(string url, string jsonstr, string type)
{
Encoding encoding = Encoding.UTF8;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);//webrequest请求api地址
request.Accept = "*/*";
request.ContentType = "application/json";
request.Method = type.ToUpper().ToString();//get或者post


byte[] buffer = encoding.GetBytes(jsonstr);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
return reader.ReadToEnd();
}
}
}

4.添加JSON序列化与反序列化的引用

由于我们接口的传参和相应结果用的JSON格式,因此要用到:Newtonsoft.Json,用于实现数据的JSON序列化和反序列化;

添加引用的方法:

在项目中右键”引用“,点选”管理NuGet程序包“》浏览》搜索:Newtonsoft.Json》点击安装即可;

5.接口的调用

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var url = " 你的接口名";
//参数
var data = new
{
id = 10
};

var result =(JObject)JsonConvert.DeserializeObject(HttpHelper.HttpApi(url, JsonConvert.SerializeObject(data), "post"));

这里我的reslut包含了:msg,code,data 三个对象,取值的方式为:

result[“msg”]

result[“code”]

result[“data”]

2022-10-13

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