实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Threading;
using System.IO;
using System.Diagnostics;
using System.Reflection;
namespace BaiduDiskSearcher
{
public partial class MainForm : Form
{
public MainForm()
{
InitializeComponent();
}
WebHandler handler;
private void buttonSearch_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(this.textBoxKeyword.Text))
{
MessageBox.Show("关键字不能为空！请重新输入！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (textBoxKeyword.Text.CheckLegalFileName())
{
MessageBox.Show("关键字含有非法字符！请重新输入！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
handler = new WebHandler($"http://m.panduoduo.net/s/name/{textBoxKeyword.Text}");
handler.PageShown = Handler_PageShown;
handler.ItemShown = Handler_ItemShown;
dataTable = new ItemDataTable();
dataGridView.DataSource = dataTable.GetItems();
labelCount.Text = "";
progressBar.Value = 0;
cts = new CancellationTokenSource();
buttonSearch.Enabled = false;
buttonStop.Enabled = true;
Task.Factory.StartNew(() =>
{
handler.Handle();
InvokeToForm(() =>
{
if(!cts.IsCancellationRequested) labelCount.Text = "已完成";
buttonSearch.Enabled = true;
buttonStop.Enabled = false;
});
});
}
private void Handler_PageShown(object sender, PageEventArgs e)
{
InvokeToForm(() =>
{
progressBar.Maximum = e.Page.TotalNumber;
});
}
ItemDataTable dataTable = new ItemDataTable();
CancellationTokenSource cts ;
int rowIndex;
private void Handler_ItemShown(object sender, ItemEventArgs e)
{
InvokeToForm(() =>
{
rowIndex = dataTable.Add(e.Item);
progressBar.Value = rowIndex;
if (rowIndex != progressBar.Maximum)
{
labelCount.Text = $"{rowIndex}/{progressBar.Maximum}";
}
e.Cancel = cts.IsCancellationRequested;
if (e.Cancel)
{
labelCount.Text = "已取消";
}
});
}
private void InvokeToForm(Action action)
{
this.Invoke(action);
}
private void buttonStop_Click(object sender, EventArgs e)
{
cts?.Cancel();
buttonSearch.Enabled = true;
buttonStop.Enabled = false;
}
private void buttonExport_Click(object sender, EventArgs e)
{
if (dataGridView.Rows.Count == 0) return;
using (SaveFileDialog dialog = new SaveFileDialog())
{
dialog.Filter = "Excel文件(*.csv)|*.csv";
dialog.FileName = textBoxKeyword.Text;
if(dialog.ShowDialog() == DialogResult.OK)
{
StringBuilder temp = new StringBuilder();
for (int i = 0 ;i< this.dataGridView.Columns.Count - 1;i )
{
if(i != this.dataGridView.Columns.Count - 2)
{
temp.Append(this.dataGridView.Columns[i].HeaderText ",");
}
else
{
temp.Append(this.dataGridView.Columns[i].HeaderText "\r\n");
}
}
Item[] items = dataTable.GetItems(out int[] counts);
for(int i = 0;i<items.Length; i )
{
temp.Append(counts[i] "," items[i].FileName.Replace(",", "，") "," items[i].FileNameExt ","
items[i].Type "," items[i].Time "," items[i].Size "," items[i].Sharer "," items[i].Site "\r\n");
}
StreamWriter writer = new StreamWriter(dialog.FileName,false,Encoding.UTF8);
writer.Write(temp.ToString());
writer.Close();
MessageBox.Show("导出数据成功！", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
private void 复制文件名ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (currItem.FileNameExt != null)
{
Clipboard.SetText(currItem.FileName "." currItem.FileNameExt);
}
else
{
Clipboard.SetText(currItem.FileName);
}
}
Item currItem;
private void contextMenuStrip_Opening(object sender, CancelEventArgs e)
{
if (this.dataGridView.CurrentRow != null && this.dataGridView.CurrentRow.Index != -1)
{
contextMenuStrip.Enabled = true;
if(!buttonSearch.Enabled)
{
清空ToolStripMenuItem.Enabled = false;
}
else
{
清空ToolStripMenuItem.Enabled = true;
}
currItem = ((Item)((DataRowView)this.dataGridView.Rows[this.dataGridView.CurrentRow.Index].DataBoundItem).Row.ItemArray[8]);
}
else
{
contextMenuStrip.Enabled = false;
}
}
private void 打开网盘地址ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (currItem.Site != null)
{
Process.Start(currItem.Site);
}
}
private void 复制网盘地址ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (currItem.Site != null)
{
Clipboard.SetText(currItem.Site);
}
}
private void 打开分享者主页ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (currItem.SharerSite != null)
{
Process.Start(currItem.SharerSite);
}
}
private void 复制分享者主页ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (currItem.SharerSite != null)
{
Clipboard.SetText(currItem.SharerSite);
}
}
private void 清空ToolStripMenuItem_Click(object sender, EventArgs e)
{
for(int i= this.dataGridView.Rows.Count-1; i>=0; i--)
{
this.dataGridView.Rows.RemoveAt(i);
}
labelCount.Text = "";
progressBar.Value = 0;
}
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
if(MessageBox.Show("确定要退出吗？","信息",MessageBoxButtons.YesNo,MessageBoxIcon.Question)== DialogResult.No)
{
e.Cancel = true;
}
}
private void buttonAbout_Click(object sender, EventArgs e)
{
MessageBox.Show($"百度网盘搜索工具\r\n版本：{Assembly.GetExecutingAssembly().GetName().Version.ToString()}\r\n作者WeChat：cnxycn\r\nEmail：cnc46@qq.com","信息",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
private void textBoxKeyword_KeyDown(object sender, KeyEventArgs e)
{
if(e.KeyData == Keys.Enter)
{
buttonSearch.PerformClick();
}
}
private void dataGridView_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
if(e.RowIndex != -1)
{
Item item = ((Item)((DataRowView)this.dataGridView.Rows[this.dataGridView.CurrentRow.Index].DataBoundItem).Row.ItemArray[8]);
Process.Start(item.Site);
}
}
private void MainForm_Load(object sender, EventArgs e)
{
dataGridView.AutoGenerateColumns = false;
labelVersion.Text = $"版本：{Assembly.GetExecutingAssembly().GetName().Version.ToString()}";
textBoxKeyword.Focus();
}
}
}
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