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   源码介绍

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using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ThoughtWorks.QRCode.Codec;

namespace GoogleAuthenticator
{
    public partial class Form1 : Form
    {
        //获取系统类型配置参数
        private string syslist = ConfigurationManager.AppSettings["systype"] == null ? "" : ConfigurationManager.AppSettings["systype"].ToString();
        //获取请求地址
        private string posturl = ConfigurationManager.AppSettings["posturl"] == null ? "http://139.196.105.253:7889" : ConfigurationManager.AppSettings["posturl"].ToString();
        public Form1()
        {
            InitializeComponent();
        }


        private void Form1_Load_1(object sender, EventArgs e)
        {
            //加载系统下拉框数据
            ArrayList list = new ArrayList();
            list.Add(new DictionaryEntry(0, "请选择系统"));
            string[] tmp = syslist.Split('|');
            for (int i = 0; i < tmp.Length; i  )
            {
                list.Add(new DictionaryEntry(tmp[i], tmp[i]));
            }
            this.cboxsys.DataSource = list;
            this.cboxsys.DisplayMember = "value";//显示的值 
            this.cboxsys.ValueMember = "key";//选中时的值 
            this.cboxsys.SelectedIndex = 0;
        }

        private void btnGet_Click(object sender, EventArgs e)
        {
            if (this.cboxsys.SelectedValue.ToString() == "0")
            {
                MessageBox.Show("请选择系统！");
                return;
            }
            if (this.txtAccount.Text.Trim() == "")
            {
                MessageBox.Show("请输入账号！");
                return;
            }
            WebClient wc = new WebClient();
            var url = posturl   "/api/v1/google/CreateSecret";
            //string myParameters = "acct="   this.cboxsys.SelectedValue.ToString() "-" this.txtAccount.Text.Trim();
            StringBuilder postData = new StringBuilder();
            postData.Append("{\"acct\":\"" this.cboxsys.SelectedValue.ToString()   "-"   this.txtAccount.Text.Trim() "\"}");
            byte[] sendData = Encoding.GetEncoding("UTF-8").GetBytes(postData.ToString());
            wc.Headers.Add("Content-Type", "application/json");
            wc.Headers.Add("ContentLength", postData.Length.ToString());
            Encoding enc = Encoding.GetEncoding("UTF-8");
            byte[] responseData = wc.UploadData(url, "POST", sendData);
            var data = enc.GetString(responseData);
            Dictionary<string, object> dictResult = JsonConvert.DeserializeObject<Dictionary<string, object>>(data);
            if (dictResult["return_code"].ToString() == "SUCCESS")
            {
                Dictionary<string, object> dictdata = JsonConvert.DeserializeObject<Dictionary<string, object>>(dictResult["data"].ToString());
                var code_url = dictdata["code_url"].ToString();
                var secret = dictdata["secret"].ToString();

                //调用生成二维码图片的事件，并把图片显示在图片框中
                Image img = QrCodeBitmap(code_url, 5, 7);
                this.pbox.Image = img;

            }
            else {
                MessageBox.Show(dictResult["return_message"].ToString());
            }
        }

        /// <summary>
        /// 生成二维码位图
        /// </summary>
        /// <param name="link">用于生成二维码的链接</param>4
        /// <param name="size">二维码规模大小</param>
        /// <param name="version">二维码版本</param>
        /// <returns>二维码图片对象</returns>
        private Image QrCodeBitmap(string link, int size, int version)
        {
            QRCodeEncoder qrcodeencoder = new QRCodeEncoder();//生成设置编码实例
            qrcodeencoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;//字节编码
            qrcodeencoder.QRCodeScale = size;//二维码规模大小
            qrcodeencoder.QRCodeVersion = version;//二维码版本
            qrcodeencoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;//设置错误校验（错误更正）的级别：中等M
            Image img = qrcodeencoder.Encode(link);//生成二维码image图片
            return img;
        }
    }
}