京东价格监控软件开发技术探讨三：使用C#模拟京东登录

使用C#模拟京东登录

京东模拟登录步骤

第一步：获取登录页面基础值

第二步：判断是否需要验证码

第三步：拼装提交信息

第四步：提交数据到指定服务

第五步：获取返回信息

先上一段登录代码：

HttpItem item = new HttpItem();
HttpHelper helper = new HttpHelper();
HttpResult result = new HttpResult();
item.URL = string.Format("https://passport.jd.com/uc/loginService?uuid={0}&&r={1}&version=2015", _jdLoginer.uuid, _jdLoginer.r);
item.Method = "post";
item.Allowautoredirect = true;
item.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
item.Postdata = string.Format("uuid={0}&machineNet=&machineCpu=&machineDisk=&eid={1}&fp={2}&{3}={4}"
+ "&loginname={5}&nloginpwd={6}&loginpwd={6}&chkRememberMe=on&authcode=",
_jdLoginer.uuid, _jdLoginer.eid, _jdLoginer.fp, _jdLoginer.tname, _jdLoginer.tvalue, _jdLoginer.loginname,_jdLoginer.loginpwd);
item.Header.Add("x-requested-with", "XMLHttpRequest");
item.Header.Add("Accept-Encoding", "gzip, deflate");
item.Accept = "*/*";
item.Encoding = Encoding.UTF8;
item.Cookie = cookies;
result = helper.GetHtml(item);

if (!result.Html.Contains("success"))
{
if (result.Html.ToLower().Contains("pwd"))
{
MessageBox.Show("密码验证不通过!", "系统提示");
return;
}
else if (result.Html.ToLower().Contains("emptyauthcode"))
{
MessageBox.Show("请输入登录验证码!", "系统提示");
return;
}
else
{
MessageBox.Show("登陆失败!" + result.Html, "系统提示");
}
}
else
{
MessageBox.Show("登录京东商城成功！", "系统提示");
}

京东登录模型

public class JDLogin
{
/// <summary>
/// 当前帐号临时编号
/// </summary>
public string uuid { get;set;}
public string machineNet { get; set; }
public string machineCpu { get; set; }
public string machineDisk { get; set; }
/// <summary>
/// 随机数
/// </summary>
public string r { get; set; }
/// <summary>
///
/// </summary>
public string eid { get; set; }
/// <summary>
/// sessionId
/// </summary>
public string fp { get; set; }
/// <summary>
/// key键
/// </summary>
public string tname { get; set; }
/// <summary>
/// key值
/// </summary>
public string tvalue { get; set; }
/// <summary>
/// 登录名
/// </summary>
public string loginname { get; set; }
/// <summary>
/// 登录密码
/// </summary>
public string nloginpwd { get; set; }
/// <summary>
/// 登录密码
/// </summary>
public string loginpwd { get; set; }
/// <summary>
/// 记住账号信息
/// </summary>
public string chkRememberMe { get; set; }
/// <summary>
/// 验证码
/// </summary>
public string authcode { get; set; }
}

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