基本信息
源码名称:GeckoWebBrowser采集网络图片实例源码
源码大小:7.05M
文件格式:.rar
开发语言:C#
更新时间:2016-01-20
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源码介绍
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using WindowsFormsApplication1;
using Skybound.Gecko;
using System.IO;
namespace PicDownLoad
{
public partial class Form1 : Form
{
static private string xulrunnerPath = Application.StartupPath "\\xulrunner";
public Form1()
{
InitializeComponent();
InitAllCityData();
}
private void InitAllCityData()
{
Skybound.Gecko.Xpcom.Initialize(xulrunnerPath);
}
public static void DownloadOneFileByURL(string fileName, string url, string localPath, int timeout)
{
try
{
System.Net.HttpWebRequest request = null;
System.Net.HttpWebResponse response = null;
request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url fileName);
request.Timeout = timeout;//8000 Not work ?
response = (System.Net.HttpWebResponse)request.GetResponse();
Stream s = response.GetResponseStream();
BinaryReader br = new BinaryReader(s);
//int length2 = Int32.TryParse(response.ContentLength.ToString(), out 0);
int length2 = Int32.Parse(response.ContentLength.ToString());
byte[] byteArr = new byte[length2];
s.Read(byteArr, 0, length2);
if (File.Exists(localPath fileName)) { File.Delete(localPath fileName); }
if (Directory.Exists(localPath) == false) { Directory.CreateDirectory(localPath); }
FileStream fs = File.Create(localPath fileName);
fs.Write(byteArr, 0, length2);
fs.Close();
br.Close();
}
catch (Exception ex)
{
}
}
/// <summary>
///Web Client Method ,only For Small picture,else large please use FTP
/// </summary>
/// <param name="fileName"></param>
/// <param name="url"></param>
/// <param name="localPath"></param>
public static void DownloadOneFileByURLWithWebClient(string fileName, string url, string localPath)
{
try
{
System.Net.WebClient wc = new System.Net.WebClient();
if (File.Exists(localPath fileName)) { File.Delete(localPath fileName); }
if (Directory.Exists(localPath) == false) { Directory.CreateDirectory(localPath); }
wc.DownloadFile(url, localPath fileName);
}
catch (Exception ex)
{
}
}
List<string> UrlList = new List<string>();
int AllURL = 0;
private void LoadLuoBO()
{
if (UrlList.Count > 0)
{
string url = UrlList[0];
ShowProcess(loadURLCount.ToString() "/" AllURL.ToString());
ShowMsg(url);
UrlList.Remove(url);
this.Browser.Navigate(url);
}
}
int loadURLCount = 0;
void Browser_DocumentCompleted_WEIMEI(object sender, EventArgs e)
{
GeckoWebBrowser br = sender as GeckoWebBrowser;
if (br.Url.ToString() == "about:blank") { return; }
Skybound.Gecko.GeckoElementCollection imglist = br.Document.GetElementsByTagName("img");
foreach (Skybound.Gecko.GeckoElement a in imglist)
{
if (a.ClassName != null && a.ClassName.ToLower() == "imgs"
)
{
try
{
string hreff = a.Attributes["src"].TextContent;// 排除 博海拾贝第二百零二期】吃完薯条寂寞了
string[] name = hreff.Split('/');
string filenn = "";
if (name.Length > 1)
{
filenn = name[name.Length - 1];
}
else
{
filenn = Guid.NewGuid().ToString() ".jpg";
}
Log.Datalogger(hreff, "ImgList");
DownloadOneFileByURLWithWebClient(filenn, hreff, "d:\\imges\\");
// DownloadOneFileByURL(filenn, hreff, "d:\\imges\\", 5000);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
loadURLCount ;
LoadLuoBO();
}
#region 固定函数
void AsyncNavigate(string url)
{
ThreadStart starter = delegate { AsyncNavigateThread(url); };
Thread thread = new Thread(starter);
thread.IsBackground = true;
thread.Start();
}
public void ShowMsg(string msg)
{
if (this.InvokeRequired)
{
Action<string> action = this.ShowMsg;
this.BeginInvoke(action, msg);
}
else
{
this.txtTest.Text = msg;
}
}
public void ShowProcess(string msg)
{
if (this.InvokeRequired)
{
Action<string> action = this.ShowProcess;
this.BeginInvoke(action, msg);
}
else
{
this.txtProcess.Text = msg;
}
}
private delegate void StringDelegate(string url);
private void AsyncNavigateThread(string url)
{
if (this == null || this.IsDisposed) return;
if (this.InvokeRequired || Browser.InvokeRequired)
{
this.BeginInvoke(new StringDelegate(AsyncNavigateThread), new object[] { url });
return;
}
Browser.Navigate(url);
}
#endregion
private void button1_Click_1(object sender, EventArgs e)
{
string baseurl = txturl.Text;
int begin = int.Parse(txtbegin.Text);
int end = int.Parse(txtEnd.Text);
for (int i = begin; i <= end; i )
{
string replaceurl = baseurl.Replace("(*)", i.ToString());
UrlList.Add(replaceurl);
}
AllURL = UrlList.Count;
//按照顺序去读取界面去
Browser.DocumentCompleted = new EventHandler(Browser_DocumentCompleted_WEIMEI);
LoadLuoBO();
}
}
}