一、背景 ( f. h/ g+ s1 \7 M8 n 在1688官网里面有很多信息是需要登录才能看得到的，比如商家的联系电话等等。那么我们在抓取它的网页的时候，肯定是需要维持登录状态才能得到对应的内容。这里面就会涉及到自动登录的问题。5 `- r+ v; w0 Q' J. C, N { 登录地址：https://login.1688.com/member/signin.htm 8 l- \7 V, C5 Y9 J
8 Z+ U0 J8 a) j0 ^1 H5 y 二、自动登录方法 * g9 @" Z8 M: k; e5 g& b1 G% d- Z 7 s4 P* ]: ]( |0 x. {) o2 W% f
; e2 P8 }5 u) O9 U! j 2、把账号、密码值带进去。0 c, E) m' E2 j List<string> logininfolist = new List<string>();
string file = "1688Account.json";
if (!File.Exists(file))
{
throw new ArgumentException("1688Account not found");
}
string data = File.ReadAllText(file, Encoding.UTF8);
var account1688list = JsonConvert.DeserializeObject<List<Account1688Item>>(data);
logininfolist.AddRange(account1688list.Select(o => o.AccountPassword).ToList());
Random rdinfo = new Random();
int indexinfo = rdinfo.Next(logininfolist.Count);
var modelinfo = logininfolist[indexinfo];
driver.FindElement(By.Id("fm-login-id")).SendKeys(modelinfo.Split('+')[0]);
driver.FindElement(By.Id("fm-login-password")).SendKeys(modelinfo.Split('+')[1]);3 g5 ?1 Z* l0 U( L+ } // Thread.Sleep(1000 * 30); //30时间操作
driver.FindElement(By.ClassName("password-login")).Click();
Thread.Sleep(1000 * 30);//30时间操作8 E- q5 B8 i0 a" h; \0 `4 Z- v4 L* A driver.Navigate().GoToUrl("https://work.1688.com/?tracelog=login_target_is_blank_1688");
Thread.Sleep(1000 * 5);
if (driver.Url.Contains("login.1688.com"))
{
Console.WriteLine("登录失败");
CookieHelp.DeleteCookies();
Console.WriteLine("2");
throw new Exception("重新登录");
}
driver.Navigate().Refresh();
CookieHelp.WriteCookies(driver.Manage().Cookies.AllCookies);9 r# }8 ~4 g4 ^& d* E driver.Navigate().GoToUrl("https://www.1688.com/");
driver.Manage().Cookies.DeleteAllCookies();
var listCookie = CookieHelp.GetCookie();
if (listCookie != null)
{
logintry = 0;
Console.WriteLine("有现成cookies" + DateTime.UtcNow);
foreach (var item in listCookie)
{
driver.Manage().Cookies.AddCookie(new Cookie(item.Name, item.Value, item.Domain, item.Path, item.Expiry));
}
Thread.Sleep(2000);
driver.Navigate().GoToUrl("https://work.1688.com/?tracelog=login_target_is_blank_1688");
Thread.Sleep(1000 * 2);三、完整代码 ; W7 M: {6 `4 \- @( {2 b /// <summary>
/// 登录 todo
/// </summary>
/// <param name="_reptilesImageSearchService"></param>
/// <param name="options"></param>
/// <param name="driver"></param>
public void Implement(IReptilesImageSearchService _reptilesImageSearchService, IWebDriver driver)
{
driver.Navigate().GoToUrl("https://www.1688.com/");
driver.Manage().Cookies.DeleteAllCookies();
var listCookie = CookieHelp.GetCookie();
if (listCookie != null)
{
logintry = 0;
Console.WriteLine("有现成cookies" + DateTime.UtcNow);
foreach (var item in listCookie)
{
driver.Manage().Cookies.AddCookie(new Cookie(item.Name, item.Value, item.Domain, item.Path, item.Expiry));
}
Thread.Sleep(2000);
driver.Navigate().GoToUrl("https://work.1688.com/?tracelog=login_target_is_blank_1688");
Thread.Sleep(1000 * 2);
if (driver.Url.Contains("login.1688.com"))
{
Console.WriteLine("cookies过期了");
CookieHelp.DeleteCookies();
Console.WriteLine("1");
throw new Exception("重新登录");
}
}
else
{
if (logintry > 4)
{
Console.WriteLine("登陆次数超出：" + logintry);
throw new Exception("登陆次数超出,退出");
}
logintry++;
Console.WriteLine("无现成cookies" + DateTime.UtcNow);
driver.Navigate().GoToUrl("https://login.1688.com/member/signin.htm");
#region 登录动作
driver.SwitchTo().Frame(0);
IJavaScriptExecutor js = (IJavaScriptExecutor)driver;
////// string returnjs = (string)js.ExecuteScript("Object.defineProperties(navigator, {webdriver:{get:()=>undefined}});");
string jsfile = File.ReadAllText("stealth.min.js", Encoding.UTF8);
string returnjs = (string)js.ExecuteScript(jsfile);
List<string> logininfolist = new List<string>();
string file = "1688Account.json";
if (!File.Exists(file))
{
throw new ArgumentException("1688Account not found");
}
string data = File.ReadAllText(file, Encoding.UTF8);
var account1688list = JsonConvert.DeserializeObject<List<Account1688Item>>(data);
logininfolist.AddRange(account1688list.Select(o => o.AccountPassword).ToList());
Random rdinfo = new Random();
int indexinfo = rdinfo.Next(logininfolist.Count);
var modelinfo = logininfolist[indexinfo];
driver.FindElement(By.Id("fm-login-id")).SendKeys(modelinfo.Split('+')[0]);
driver.FindElement(By.Id("fm-login-password")).SendKeys(modelinfo.Split('+')[1]);
// Thread.Sleep(1000 * 30); //30时间操作
driver.FindElement(By.ClassName("password-login")).Click();
Thread.Sleep(1000 * 30);//30时间操作
#endregion 登录动作
driver.Navigate().GoToUrl("https://work.1688.com/?tracelog=login_target_is_blank_1688");
Thread.Sleep(1000 * 5);
if (driver.Url.Contains("login.1688.com"))
{
Console.WriteLine("登录失败");
CookieHelp.DeleteCookies();
Console.WriteLine("2");
throw new Exception("重新登录");
}
driver.Navigate().Refresh();
CookieHelp.WriteCookies(driver.Manage().Cookies.AllCookies);
}
Thread.Sleep(1000);
}四、注意事项 ! d( b% `& |6 U, }0 e( e2 } 1、登录的时候，有时候会出现滑块验证码，这时候一般是使用其他账号重试或者是在当前的机器手工登录一次，后面基本就会被信任。! z% S+ U1 ~) K1 [ 2、使用这段代码本身就是模拟真实用户的行为，最大限度的减少验证码出现的几率。1 X; Q! y" S2 Z0 f IJavaScriptExecutor js = (IJavaScriptExecutor)driver;
////// string returnjs = (string)js.ExecuteScript("Object.defineProperties(navigator, {webdriver:{get:()=>undefined}});");
string jsfile = File.ReadAllText("stealth.min.js", Encoding.UTF8);
string returnjs = (string)js.ExecuteScript(jsfile); 
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发表于 2022-4-12 07:51:04
