.NET Http Post接口返回json格式数据

我就是我 2021-07-04 22:09 693阅读 0赞

using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Linq;
    using System.Text;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    
    public partial class _Default : System.Web.UI.Page
    { 
        protected void Page_Load(object sender, EventArgs e)
        { 
            if (!IsPostBack)
            { 
                StringBuilder sb = new StringBuilder();
                string result = string.Empty;
    
                int code = 0;
    
                string msg = string.Empty;
    
                Response.Clear();
                Response.Buffer = true;
                Response.ContentType = "text/plain";
                Response.ContentEncoding.GetBytes("utf-8");
                try
                { 
                    Stream stream = Request.InputStream;
                    string resStr = GetStr(stream); //获取传递过来的参数字符串
    
                    string sign = GetValue("sign", resStr); //获取参数值
                    code = 1;
                    msg = sign;
                }
                catch (Exception ex)
                { 
                    code = -1;
    
                    msg = "接口异常";
                }
    
                sb.Append("{\"code\":" + code + ",\"msg\":\"" + msg + "\"}").ToString();
    
                Response.Write(sb.ToString());
                Response.End();
            }
        }
    
        public string GetStr(Stream stream)
        { 
            StringBuilder sb = new StringBuilder();
            int count = 0;
            byte[] buffer = new byte[1024];
            StringBuilder builder = new StringBuilder();
            while ((count = stream.Read(buffer, 0, 1024)) > 0)
            { 
                sb.Append(Server.UrlDecode(Encoding.UTF8.GetString(buffer, 0, count)));
            }
    
            stream.Flush();
            stream.Close();
            stream.Dispose();
            return sb.ToString();
        }
    
        public string GetValue(string typeName, string str)
        { 
            string value = string.Empty;
            string[] arr = null;
            if (str.ToString().IndexOf("&") != -1)
            { 
                arr = str.ToString().Split('&');
            }
            else
            { 
                arr = str.Split(' ');
            }
    
            if (arr != null && arr.Length > 0)
            { 
                for (var i = 0; i < arr.Length; i++)
                { 
                    int isBreak = 0;
                    string[] arrChild = arr[i].ToString().Split('=');
                    if (arrChild != null && arrChild.Length > 0)
                    { 
                        for (var j = 0; j < arrChild.Length; j++)
                        { 
                            if (arrChild[0].ToString() == typeName)
                            { 
                                value = arrChild[1].ToString();
                                isBreak = 1;
                                break;
                            }
                        }
                    }
    
                    if (isBreak == 1)
                    { 
                        break;
                    }
                }
            }
    
            return value;
        }
    }