小程序获得手机号，ASP源代码。手机同微信：13522116288（全套源代码出售）

小程序前台代码：

js文件代码：

  getPhoneNumber: function (e) {   ///点击  获取手机号码按钮      

    var my_url = doMain + "myphone.ashx"

    var that = this;

    wx.checkSession({

      success: function () {

        var ency = e.detail.encryptedData;

        var iv = e.detail.iv;

        var sessionk = wx.getStorageSync("sessionKey");

        var my_code = wx.getStorageSync("get_code")         

        var url_all = my_url + "?encryptedData=" + ency + "&iv=" + iv

        url_all = url_all + "&sessionkey=" + sessionk + "&code=" + my_code

        //console.log(url_all)

        if (e.detail.errMsg == 'getPhoneNumber:fail user deny') {

          that.setData({

            modalstatus: true

          });

        }

        else {

          //同意授权

          wx.request({

            method: "GET",

            url: my_url,

            data: {

              encryptedData: ency,

              iv: iv,

              sessionkey: sessionk,

              code: my_code

            },

            header: {

              'content-type': 'application/json' // 默认值 

            },

            success: (res) => {

              console.log("得到手机号=========res",res);

              var phone = res.data.phoneNumber; ///得到手机号 

              console.log(phone);

              wx.setStorageSync("sisoft_phone2", phone)

              that.setData({

                get_phone2: phone 

              });

              wf_catch_kahao(that); // 加载卡号------------------20200411

            }

            , fail: function (res) {

              console.log("解密失败~~~~~~~~~~~~~");

              console.log(res);

            }

          });

        }

      },

      fail: function () {

        console.log("session_key 已经失效，需要重新执行登录流程");

        that.wxlogin();        //重新登录

      }

    });

  },

wxml文件：

<view class='tr_img'> 

 <image  src="{{logon_img}}"  style=" width:20px;height:20px; "> </image>

  <view class='tr_phone'  >登录手机号：{{get_phone2}}     

      <button style="margin-left: 40rpx; margin-right: 10rpx; border-radius: 80rpx" 

      style="{{get_phone2!=''?'display:none':''}}"

        open-type='getPhoneNumber' bindgetphonenumber="getPhoneNumber"> 登录手机号 </button>     

  </view> 

</view>

ASP后台代码 myphone.ashx ：

<%@ webhandler language="C#" class="AverageHandler" %>

using System;

using System.Net;

using System.Web;

using System.Collections.Generic;  

using System.Text;  

using System.Security.Cryptography;  

using System.IO; 

using LitJson; 

public class AverageHandler : IHttpHandler

{

public bool IsReusable

{ get { return true; } }

public void ProcessRequest(HttpContext ctx)

{

    ctx.Response.ContentType = "application/json";

    HttpRequest Request = ctx.Request;

    string text = Request["encryptedData"];

    string IV = Request["iv"];

    //小程序appid和appsecret配置

    string appid = "写上你的小程序的appid";

    string secret = "写上你的小程序的密钥";    

    string code = Request["code"];//微信获取登录的口令

    Stream s_re = WebRequest.Create("https://api.weixin.qq.com/sns/jscode2session?appid="+appid+"&secret="+secret+"&js_code="+code+"&grant_type=authorization_code").GetResponse().GetResponseStream();

    StreamReader sr = new StreamReader(s_re, Encoding.UTF8);

    string strLine = sr.ReadToEnd();
    //ctx.Response.Write(strLine);
    sr.Close();

    try

    { 

        JsonData jo = JsonMapper.ToObject(strLine);

        string Key = Request["sessionkey"];// jo["session_key"].ToString();

        //string weixinID = jo["openid"].ToString();

        string str= AES_decrypt(text,Key,IV);

        ctx.Response.Write(str);

     }

        catch (Exception ex)

     {

         //return "";

     }

}

public string AES_decrypt(string encryptedDataStr, string key, string iv)  

        {  

            RijndaelManaged rijalg = new RijndaelManaged();  

            //设置 cipher 格式 AES-128-CBC      

            rijalg.KeySize = 128;    

            rijalg.Padding = PaddingMode.PKCS7;  

            rijalg.Mode = CipherMode.CBC;    

            rijalg.Key = Convert.FromBase64String(key);  

            rijalg.IV = Convert.FromBase64String(iv);  

            byte[] encryptedData= Convert.FromBase64String(encryptedDataStr);  

            //解密    

            ICryptoTransform decryptor = rijalg.CreateDecryptor(rijalg.Key, rijalg.IV);    

            string result;                

            using (MemoryStream msDecrypt = new MemoryStream(encryptedData))  

            {  

                using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))  

                {  

                    using (StreamReader srDecrypt = new StreamReader(csDecrypt))  

                    {   

                        result = srDecrypt.ReadToEnd();  

                    }  

                }  

            }    

            return result;  

        }

}