/// <summary>
/// 当用户点击爬取按钮后就会调用该方法，对相应网址进行资源爬取
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CrawButton_Click(object sender, EventArgs e)
{
//每一次新爬取时清空上一次爬取记录的所有图片的index，避免下一次爬取保存index时出现错误
pictureIndex.Clear();
resourceBindingSource.Clear();
saveResourceBindingSource.Clear();
if (pictureBox.Count > 0)
{
for (int j = 0; j < pictureBox.Count; j++)
{
pictureBox[j].Dispose();
}
}
pictureBox.Clear();
if (checkBoxes.Count > 0)
{
for (int j = 0; j < checkBoxes.Count; j++)
{
checkBoxes[j].Dispose();
}
}
checkBoxes.Clear();
//每一次新爬取时都要把以前爬取得到的图片列表给清空
CrawlerProject.ImgResourcesContainer.RowImages.Clear();
CrawlerProject.ImgInputData.Url = this.urlTextBox.Text;
//此处填入其他的输入
//bool crawlResult = CrawlerService.StartCrawl(CrawlerProject/*,crawlerService*/);
//此处填入其他的输入
Crawl crawl = new Crawl(CrawlerProject);
CrawlThread = new Thread(crawl.CrawlFun);
CrawlThread.Start();
//bool crawlResult = CrawlerService.StartCrawl(CrawlerProject/*,crawlerService*/);
bool crawlResult = true;
//if (!crawlResult) //爬取失败
//{
// //中间还应加上爬取失败的网址，这个网址要得到
// messageLabel.Text = this.urlTextBox.Text + "网页爬取失败";
//}
//else //爬取成功
//{
// //中间还应加上成功爬取的网址，这个网址要得到
// messageLabel.Text = this.urlTextBox.Text + "网页爬取成功";
//}
}
/// <summary>
/// 实现以图搜图按钮的相关功能
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog(); //显示选择文件对话框
openFileDialog1.InitialDirectory = "c:\\";
openFileDialog1.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*"; //所有的文件格式
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;
string path;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
//获取用户选择的文件路径
path = openFileDialog1.FileName;
List <string> imgKeyWord = CrawlerService.ImgSearchImg(path);
//声明一个url列表，存储得到的url
List <string> url = new List <string>();
for (int i = 0; i < imgKeyWord.Count; i++)
{
url.Add(CrawlerService.SearchKeyword(imgKeyWord[i]));
}
//只爬取第一个url，因为此url关联最大
if (url.Count > 0)
{
CrawlerProject.ImgInputData.Url = url[0];
}
else
{
return;
}
//每一次新爬取时清空上一次爬取记录的所有图片的index，避免下一次爬取保存index时出现错误
pictureIndex.Clear();
resourceBindingSource.Clear();
saveResourceBindingSource.Clear();
if (pictureBox.Count > 0)
{
for (int j = 0; j < pictureBox.Count; j++)
{
pictureBox[j].Dispose();
}
}
pictureBox.Clear();
if (checkBoxes.Count > 0)
{
for (int j = 0; j < checkBoxes.Count; j++)
{
checkBoxes[j].Dispose();
}
}
checkBoxes.Clear();
//每一次新爬取时都要把以前爬取得到的图片列表给清空
CrawlerProject.ImgResourcesContainer.RowImages.Clear();
Crawl crawl = new Crawl(CrawlerProject);
Thread thread = new Thread(crawl.CrawlFun);
thread.Start();
//bool crawlResult = CrawlerService.StartCrawl(CrawlerProject/*,crawlerService*/);
//bool crawlResult = true;
//if (!crawlResult) //爬取失败
//{
//}
//else //爬取成功
//{
//}
}
}