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Fiddler自定义规则保存图片和提示The system proxy was changed自动重连

1、打开Fiddler ,找到 规则(Rules)-> 自定义规则(Customize Rules) 打开 规则代码。

	static function OnDone(oSession: Session) {
		if (oSession.uriContains("https://www.xxx.com/xxxx")==false)
		{
		    	return;
		}
		//检查Content-Type 
		if (oSession.ResponseHeaders["Content-Type"]!=null || oSession.ResponseHeaders["content-type"]!=null)
		{
			//避免不规范标头
			var contentType=oSession.ResponseHeaders["Content-Type"];
			if (String.IsNullOrEmpty(contentType) )
				contentType=oSession.ResponseHeaders["content-type"];
            
			//判定请求是否图片
			if (contentType.Contains("image"))
			{
				//确定文件名(保存用)
				var fileName="";
				var fileIndex =    oSession.RequestHeaders.RequestPath.LastIndexOf ("/");
				if (fileIndex>0)
					fileName =    oSession.RequestHeaders.RequestPath.Substring (fileIndex+1);
                
				//如果文件名非法(名称含非法字符)
				if(fileName.IndexOf('?')>0 || fileName.IndexOf('&') )
					fileName=String.Empty;
				//输出日志(在Fiddler 主窗口,日志处输出)
				//FiddlerObject.log("Content-Type:"+ contentType +" RequestPath:"+oSession.RequestHeaders.RequestPath);
                
				//如果文件名为Null,自行创建一个文件名(Guid)
				if (String.IsNullOrEmpty( fileName))
				{
					fileName=Guid.NewGuid().ToString();
					var extName=    contentType.Replace("image/","");
					fileName=fileName+"."+extName;
				}
                
				//太小的图片不要,比如站位图片(自行调节)
				if (oSession.ResponseBody.Length>100)
				{
					//指定保存位置
					var saveDir="D:\\fiddlerimage\\";
					//不存在则创建文件夹
					if (!System.IO.Directory.Exists(saveDir))
						System.IO.Directory.CreateDirectory(saveDir);
                    
					//保存响应流
					oSession.SaveResponseBody(saveDir+fileName);
					//写日志
					FiddlerObject.log("[文件保存]:"+fileName)
				}
			}
		}
	}
			

  

 

 

Fiddler一直提示The system proxy was changed,click to reenable fiddler capture

 

解决办法:进入到Fiddler-->Rules-->Customize Rules

1.在main()方法上方添加:

static function DoReattach(o: Object, ea: EventArgs)
{
ScheduledTasks.ScheduleWork("reattach", 1000, innerReattach);
}

static function innerReattach()
{
FiddlerApplication.UI.actAttachProxy();
}

static function OnRetire()
{
FiddlerApplication.oProxy.remove_DetachedUnexpectedly(DoReattach);
}

 

2.在main()方法中添加:

FiddlerApplication.oProxy.add_DetachedUnexpectedly(DoReattach);

 

posted @ 2025-11-26 10:09  wgscd  阅读(0)  评论(0)    收藏  举报