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参考资料https://www.cnblogs.com/hujunmin/p/11506958.html，原博主贴出来的关键代码，但是并不完整。我将补全部分代码，能正常运行。 Nuget： Selenium.WebDriver，Selenium.WebDriver.ChromeDriver
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Threading;
using OpenQA.Selenium;
using OpenQA.Selenium.Interactions;
using OpenQA.Selenium.Remote;
namespace Sniffer.VerificationCode.VerificationCodes
{
public class GeetestSlideVerificationCode : ISlideVerificationCode
{
#region 属性
/// <summary>
/// 拖动按钮
/// </summary>
private string _slidButton = "gt_slider_knob";
/// <summary>
/// 原始图层
/// </summary>
private string _originalMap = "gt_fullbg";
/// <summary>
/// 原始图加缺口背景图
/// </summary>
private string _newMap = "gt_bg";
/// <summary>
/// 缺口图层
/// </summary>
private string _sliceMap = "gt_slice";
/// <summary>
/// 重试次数
/// </summary>
private int _tryTimes = 6;
/// <summary>
/// 缺口图默认偏移像素
/// </summary>
private int _leftOffset = 4;
private string _fullScreenPath = AppDomain.CurrentDomain.BaseDirectory + "全屏.png";
private string _originalMapPath = AppDomain.CurrentDomain.BaseDirectory + "原图.png";
private string _newMapPath = AppDomain.CurrentDomain.BaseDirectory + "新图.png";
#endregion
public bool Pass(RemoteWebDriver remoteWebDriver)
{
int failTimes = 0;
bool flag = false;
do
{
//#TODO 检查图层是否正常弹出
//截图
Console.WriteLine("开始截图...");
ScreenMap(remoteWebDriver);
Console.WriteLine("开始计算距离...");
//获取缺口图层位移距离
var distance = GetDistance();
//获取移动轨迹
Console.WriteLine("开始获取移动轨迹...");
var moveEntitys = GetMoveEntities(distance);
//移动
Console.WriteLine("开始移动...");
Move(remoteWebDriver, moveEntitys);
Console.WriteLine("休眠3秒,显示等待提交验证码...");
Thread.Sleep(3000);
Console.WriteLine("开始检查认证是否通过...");
//检查移动是否成功
flag = CheckSuccess(remoteWebDriver);
if (flag)
break;
} while (++failTimes < _tryTimes);
return flag;
}
#region 内部方法
protected virtual bool CheckSuccess(RemoteWebDriver remoteWebDriver)
{
//WebDriverWait wait = new WebDriverWait(remoteWebDriver, TimeSpan.FromSeconds(5));
//IWebElement gt_ajax_tip = null;
//gt_ajax_tip = wait.Until<IWebElement>((d) =>
//{
// try
// {
// return d.FindElement(By.CssSelector(".gt_holder .gt_ajax_tip.gt_success"));
// }
// catch (Exception ex)
// {
// return null;
// }
//});
//if (gt_ajax_tip == null)
//{
// Console.WriteLine("验证失败,显示等待6秒刷新验证码...");
// Thread.Sleep(6000);
// return false;
//}
//else
//{
// return true;
//}
var gt_slider_knob = remoteWebDriver.FindElementExt(By.ClassName(_slidButton), 10);
if (gt_slider_knob == null)
{
return true;
}
else
{
Console.WriteLine("验证失败,显示等待6秒刷新验证码...");
Thread.Sleep(6000);
return false;
}
}
private void Move(RemoteWebDriver remoteWebDriver,List<MoveEntity> moveEntities)
{
var slidButton = GetSlidButtonElement(remoteWebDriver);
Actions builder = new Actions(remoteWebDriver);
builder.ClickAndHold(slidButton).Perform();
int offset = 0;
int index = 0;
foreach (var item in moveEntities)
{
index++;
builder = new Actions(remoteWebDriver);
builder.MoveByOffset(item.X, item.Y).Perform();
//Console.WriteLine("向右总共移动了:" + (offset = offset + item.X));
//if (offset != 0 && index != moveEntities.Count)
// Thread.Sleep(item.MillisecondsTimeout / offset);
}
builder.Release().Perform();
}
private List<MoveEntity> GetMoveEntities(int distance)
{
List<MoveEntity> moveEntities = new List<MoveEntity>();
int allOffset = 0;
do
{
int offset = 0;
double offsetPercentage = allOffset / (double)distance;
if (offsetPercentage > 0.5)
{
if (offsetPercentage < 0.85)
{
offset = new Random().Next(10, 20);
}
else
{
offset = new Random().Next(2, 5);
}
}
else
{
offset = new Random().Next(20, 30);
}
allOffset += offset;
int y = (new Random().Next(0, 1) == 1 ? new Random().Next(0, 2) : 0 - new Random().Next(0, 2));
moveEntities.Add(new MoveEntity(offset,y , offset));
} while (allOffset <= distance + 5);
//最后一部分移动
var moveOver = allOffset > distance;
for (int j = 0; j < Math.Abs(distance - allOffset);)
{
int step = 3;
int offset = moveOver ? -step : step;
int sleep = new Random().Next(100, 200);
moveEntities.Add(new MoveEntity(offset,0, sleep)); ;
j = j + step;
}
return moveEntities;
}
/// <summary>
/// 比较两张图片的像素，确定阴影图片位置
/// </summary>
/// <param name="oldBmp"></param>
/// <param name="newBmp"></param>
/// <returns></returns>
private int GetArgb(Bitmap oldBmp, Bitmap newBmp)
{
//由于阴影图片四个角存在黑点(矩形1*1)
for (int i = 0; i < newBmp.Width; i++)
{
for (int j = 0; j < newBmp.Height; j++)
{
if ((i >= 0 && i <= 1) && ((j >= 0 && j <= 1) || (j >= (newBmp.Height - 2) && j <= (newBmp.Height - 1))))
{
continue;
}
if ((i >= (newBmp.Width - 2) && i <= (newBmp.Width - 1)) && ((j >= 0 && j <= 1) || (j >= (newBmp.Height - 2) && j <= (newBmp.Height - 1))))
{
continue;
}
//获取该点的像素的RGB的颜色
Color oldColor = oldBmp.GetPixel(i, j);
Color newColor = newBmp.GetPixel(i, j);
if (Math.Abs(oldColor.R - newColor.R) > 60 || Math.Abs(oldColor.G - newColor.G) > 60 || Math.Abs(oldColor.B - newColor.B) > 60)
{
return i;
}
}
}
return 0;
}
/// <summary>
/// 获取实际图层缺口实际距离
/// </summary>
/// <returns></returns>
private int GetDistance()
{
using (Bitmap oldBitmap = (Bitmap)Image.FromFile(_originalMapPath))
{
using (Bitmap newBitmap = (Bitmap)Image.FromFile(_newMapPath))
{
var distance = GetArgb(oldBitmap, newBitmap);
distance = distance - _leftOffset;
return distance;
}
}
}
/// <summary>
/// 截图
/// </summary>
/// <param name="remoteWebDriver"></param>
private void ScreenMap(RemoteWebDriver remoteWebDriver)
{
//显示原始图
ShowOriginalMap(remoteWebDriver);
//全屏截图
FullScreen(remoteWebDriver);
//获取原始图层
var originalElement = GetOriginalElement(remoteWebDriver);
//保存原始图
CutBitmap(_fullScreenPath, _originalMapPath, originalElement);
//显示新图层
ShowNewMap(remoteWebDriver);
//全屏截图
FullScreen(remoteWebDriver);
//获取新图层
var newElement = GetNewMapElement(remoteWebDriver);
//保存新图
CutBitmap(_fullScreenPath, _newMapPath, newElement);
//显示缺口图
ShowSliceMap(remoteWebDriver);
}
/// <summary>
/// 截图
/// </summary>
/// <param name="sourcePath"></param>
/// <param name="targetPath"></param>
/// <param name="webElement"></param>
private void CutBitmap(string sourcePath, string targetPath, IWebElement webElement)
{
//获取原始图
using (var bitmap = (Bitmap)Image.FromFile(sourcePath))
{
var newBitmap = bitmap.Clone(new Rectangle(webElement.Location, webElement.Size), System.Drawing.Imaging.PixelFormat.DontCare);
newBitmap.Save(targetPath);
newBitmap.Dispose();
bitmap.Dispose();
}
}
/// <summary>
/// 全屏截图
/// </summary>
/// <param name="remoteWebDriver"></param>
private void FullScreen(RemoteWebDriver remoteWebDriver)
{
remoteWebDriver.GetScreenshot().SaveAsFile(_fullScreenPath);
}
/// <summary>
/// 获取原始图层元素
/// </summary>
/// <param name="remoteWebDriver"></param>
/// <returns></returns>
protected virtual IWebElement GetOriginalElement(RemoteWebDriver remoteWebDriver)
{
return remoteWebDriver.FindElementExt(By.ClassName(_originalMap), 10);
}
/// <summary>
/// 获取原始图加缺口背景图元素
/// </summary>
/// <param name="remoteWebDriver"></param>
/// <returns></returns>
protected virtual IWebElement GetNewMapElement(RemoteWebDriver remoteWebDriver)
{
return remoteWebDriver.FindElementExt(By.ClassName(_newMap), 10);
}
/// <summary>
/// 获取缺口图层元素
/// </summary>
/// <param name="remoteWebDriver"></param>
/// <returns></returns>
protected virtual IWebElement GetSliceMapElement(RemoteWebDriver remoteWebDriver)
{
return remoteWebDriver.FindElementExt(By.ClassName(_sliceMap), 10);
}
/// <summary>
/// 获取拖动按钮元素
/// </summary>
/// <param name="remoteWebDriver"></param>
/// <returns></returns>
protected virtual IWebElement GetSlidButtonElement(RemoteWebDriver remoteWebDriver)
{
return remoteWebDriver.FindElementExt(By.ClassName(_slidButton), 10);
}
/// <summary>
/// 显示原始图层
/// </summary>
/// <param name="remoteWebDriver"></param>
protected virtual bool ShowOriginalMap(RemoteWebDriver remoteWebDriver)
{
remoteWebDriver.ExecuteScript("$('." + _newMap + "').hide();$('." + _originalMap + "').show();$('." + _sliceMap + "').hide();");
Console.WriteLine("显示原始图");
Thread.Sleep(100);
//#TODO 判断JS执行后是否正确
return true;
}
/// <summary>
/// 显示原始图加缺口背景之后的图层
/// </summary>
/// <param name="remoteWebDriver"></param>
/// <returns></returns>
protected virtual bool ShowNewMap(RemoteWebDriver remoteWebDriver)
{
remoteWebDriver.ExecuteScript("$('." + _newMap + "').show();$('." + _originalMap + "').hide();$('." + _sliceMap + "').hide();");
Console.WriteLine("显示原始图加缺口背景之后的图层");
Thread.Sleep(100);
//#TODO 判断JS执行后是否正确
return true;
}
/// <summary>
/// 显示缺口图
/// </summary>
/// <param name="remoteWebDriver"></param>
/// <returns></returns>
protected virtual bool ShowSliceMap(RemoteWebDriver remoteWebDriver)
{
remoteWebDriver.ExecuteScript("$('." + _sliceMap + "').show();");
Console.WriteLine("显示原始图加缺口背景之后的图层");
Thread.Sleep(100);
//#TODO 判断JS执行后是否正确
return true;
}
#endregion
}
}
public interface ISlideVerificationCode
{
bool Pass(RemoteWebDriver remoteWebDriver);
}
using OpenQA.Selenium.Chrome;
using Sniffer.VerificationCode.VerificationCodes;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace Sniffer.VerificationCode.Tests
{
class Program
{
static void Main(string[] args)
{
ChromeDriver driver = new ChromeDriver();
driver.Navigate().GoToUrl("https://www.tianyancha.com/");
//driver.Manage().Window.Maximize();//窗口最大化，便于脚本执行
driver.Manage().Window.Size = new Size(800, 800);
//Console.WriteLine("ChromeDriver 设置超时等待(隐式等待)时间设置10秒");
//设置超时等待(隐式等待)时间设置10秒
//driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(10);
//点击《登录/注册》按钮
driver.ExecuteScript("header.loginLink(event)");
Console.WriteLine("点击《登录/注册》按钮");
Thread.Sleep(500);
//点击 《密码登录》
driver.ExecuteScript("loginObj.changeCurrent(1);");
Console.WriteLine("点击 《密码登录》按钮");
Thread.Sleep(500);
//输入账号密码
driver.ExecuteScript("$('.contactphone').val('18620800677')");
driver.ExecuteScript("$('.contactword').val('******')");
Console.WriteLine("输入账号密码");
Thread.Sleep(500);
//点击登录按钮
driver.ExecuteScript("loginObj.loginByPhone(event);");
Console.WriteLine("点击《登录》按钮");
Thread.Sleep(1000);
GeetestSlideVerificationCode slideVerificationCode = new GeetestSlideVerificationCode();
var flag = slideVerificationCode.Pass(driver);
Console.WriteLine("过验证 " + flag);
}
}
}
以上内容完全照搬原博主
下面是缺失的部分 internal class MoveEntity
{
public int X;
public int Y;
public int sleep;
public MoveEntity(int offset, int v, int sleep)
{
this.X = offset;
this.Y = v;
this.sleep = sleep;
}
}
public static class WebElementExtensions
{
public static IWebElement FindElementExt(this IWebDriver driver, By by, int timeoutInSeconds)
{
var wait = new DefaultWait<IWebDriver>(driver);
wait.IgnoreExceptionTypes(typeof(StaleElementReferenceException), typeof(NoSuchElementException));
wait.Timeout = TimeSpan.FromSeconds(timeoutInSeconds);
return wait.Until(d => driver.FindElement(by));
}
}
到此程序可以完美运行了。。
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