批量下载图片

【实例简介】批量下载图片

首先从文本文件导入要下载的图片网址(每行一个即可)，然后点击开始 即可批量下载，图片下载至bin目录下的【路径】文件夹了

【实例截图】

【核心代码】

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Net;
using System.Windows.Forms;

namespace imagesclq
{
	public class frmimages : Form
	{
		private int zgo = 0;

		private int cg = 0;

		private int sb = 0;

		private ArrayList sbd = new ArrayList();

		private ArrayList listdb = new ArrayList();

		private IContainer components = null;

		private Button button1;

		private Button button2;

		private FolderBrowserDialog fldefie;

		private Label lbllu;

		private Button button3;

		private Label lbljianlu;

		private OpenFileDialog ofiledbs;

		private TextBox txtshijia;

		private Timer timer1;

		private Label label1;

		private Label label2;

		private TextBox txtnancom;

		private Label lbltup;

		private Button button4;

		private CheckBox cboissf;

		private TabControl tabControl1;

		private TabPage tabPage1;

		private TabPage tabPage2;

		private Label lblsb;

		private Label lblcg;

		private Label lblzg;

		private TextBox txtzt;

		private RichTextBox rtbsbd;

		private Button button5;

		public frmimages()
		{
			this.InitializeComponent();
		}

		private void button1_Click(object sender, EventArgs e)
		{
			this.timer1.Enabled = true;
			this.timer1.Start();
			if (this.txtshijia.Text != "")
			{
				this.timer1.Interval = Convert.ToInt32(this.txtshijia.Text);
			}
			if (this.txtnancom.Text == "")
			{
				MessageBox.Show("请选择后缀");
				this.timer1.Stop();
			}
		}

		private void geturl()
		{
			try
			{
				if (this.zgo >= this.listdb.Count)
				{
					this.timer1.Stop();
					if (this.cboissf.Checked)
					{
						Application.Exit();
					}
					MessageBox.Show("下载完毕");
					this.listdb.Clear();
				}
				else
				{
					string url = this.listdb[this.zgo].ToString();
					this.txtzt.Text = this.listdb[this.zgo].ToString();
					string wjian = url.Substring(url.IndexOf(this.txtnancom.Text)   this.txtnancom.Text.Length);
					string lujian = wjian.Remove(wjian.LastIndexOf("/")).Replace("/", "\\");
					string zgliu = this.lbllu.Text   "/"   lujian;
					string filenames = url.Substring(url.LastIndexOf("/"));
					Directory.CreateDirectory(zgliu);
					WebClient mywebclient = new WebClient();
					mywebclient.DownloadFile(url, zgliu   filenames);
					this.zgo  ;
					this.cg  ;
					this.lblcg.Text = "成功："   this.cg.ToString()   "个";
				}
			}
			catch (Exception)
			{
				this.sb  ;
				this.sbd.Add(this.txtzt.Text);
				RichTextBox richTextBox = this.rtbsbd;
				richTextBox.Text = richTextBox.Text   this.txtzt.Text   "\r\n";
				this.lblsb.Text = "失败:"   this.sb.ToString()   "个";
				this.zgo  ;
			}
		}

		private void button2_Click(object sender, EventArgs e)
		{
			if (DialogResult.OK == this.fldefie.ShowDialog())
			{
				this.lbllu.Text = this.fldefie.SelectedPath;
			}
		}

		private void button3_Click(object sender, EventArgs e)
		{
			if (DialogResult.OK == this.ofiledbs.ShowDialog())
			{
				this.lbljianlu.Text = this.ofiledbs.FileName;
				try
				{
					FileStream aFile = new FileStream(this.lbljianlu.Text, FileMode.Open);
					StreamReader sr = new StreamReader(aFile);
					string stlianj2 = "";
					while ((stlianj2 = sr.ReadLine()) != null)
					{
						this.listdb.Add(stlianj2);
					}
					MessageBox.Show("导入链接成功");
					this.lblzg.Text = "总共:"   this.listdb.Count.ToString();
					sr.Close();
					aFile.Close();
				}
				catch (Exception)
				{
					MessageBox.Show("导入链接失败");
				}
			}
		}

		private void txtshijia_TextChanged(object sender, EventArgs e)
		{
		}

		private void timer1_Tick(object sender, EventArgs e)
		{
			this.geturl();
		}

		private void fldefie_HelpRequest(object sender, EventArgs e)
		{
		}

		private void frmimages_Load(object sender, EventArgs e)
		{
			string ds = DateTime.Now.ToString("yyyyMMdd");
			double dd = Convert.ToDouble(ds);
			//if (dd > 20150801.0)
			//{
			//	MessageBox.Show("软件过期了");
			//	Application.Exit();
			//}
			MessageBox.Show("欢迎使用！");
		}

		private void button4_Click(object sender, EventArgs e)
		{
			Application.Exit();
		}

		private void button5_Click(object sender, EventArgs e)
		{
			this.zgo = 0;
			this.cg = 0;
			this.sb = 0;
			this.listdb.Clear();
			if (this.sbd.Count > 0)
			{
				for (int i = 0; i < this.sbd.Count; i  )
				{
					this.listdb.Add(this.sbd[i].ToString());
				}
			}
			this.timer1.Enabled = true;
			this.timer1.Start();
			this.sbd.Clear();
		}

		protected override void Dispose(bool disposing)
		{
			if (disposing && this.components != null)
			{
				this.components.Dispose();
			}
			base.Dispose(disposing);
		}

		private void InitializeComponent()
		{
            this.components = new System.ComponentModel.Container();
            this.button1 = new System.Windows.Forms.Button();
            this.button2 = new System.Windows.Forms.Button();
            this.fldefie = new System.Windows.Forms.FolderBrowserDialog();
            this.lbllu = new System.Windows.Forms.Label();
            this.button3 = new System.Windows.Forms.Button();
            this.lbljianlu = new System.Windows.Forms.Label();
            this.ofiledbs = new System.Windows.Forms.OpenFileDialog();
            this.txtshijia = new System.Windows.Forms.TextBox();
            this.timer1 = new System.Windows.Forms.Timer(this.components);
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.txtnancom = new System.Windows.Forms.TextBox();
            this.lbltup = new System.Windows.Forms.Label();
            this.button4 = new System.Windows.Forms.Button();
            this.cboissf = new System.Windows.Forms.CheckBox();
            this.tabControl1 = new System.Windows.Forms.TabControl();
            this.tabPage1 = new System.Windows.Forms.TabPage();
            this.lblzg = new System.Windows.Forms.Label();
            this.lblsb = new System.Windows.Forms.Label();
            this.lblcg = new System.Windows.Forms.Label();
            this.tabPage2 = new System.Windows.Forms.TabPage();
            this.rtbsbd = new System.Windows.Forms.RichTextBox();
            this.txtzt = new System.Windows.Forms.TextBox();
            this.button5 = new System.Windows.Forms.Button();
            this.tabControl1.SuspendLayout();
            this.tabPage1.SuspendLayout();
            this.tabPage2.SuspendLayout();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(12, 91);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(136, 83);
            this.button1.TabIndex = 0;
            this.button1.Text = "开始";
            this.button1.UseVisualStyleBackColor = true;
            // 
            // button2
            // 
            this.button2.Location = new System.Drawing.Point(21, 370);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(75, 65);
            this.button2.TabIndex = 1;
            this.button2.Text = "保存路径";
            this.button2.UseVisualStyleBackColor = true;
            // 
            // lbllu
            // 
            this.lbllu.AutoSize = true;
            this.lbllu.Location = new System.Drawing.Point(119, 410);
            this.lbllu.Name = "lbllu";
            this.lbllu.Size = new System.Drawing.Size(29, 12);
            this.lbllu.TabIndex = 2;
            this.lbllu.Text = "路径";
            // 
            // button3
            // 
            this.button3.Location = new System.Drawing.Point(21, 300);
            this.button3.Name = "button3";
            this.button3.Size = new System.Drawing.Size(75, 44);
            this.button3.TabIndex = 3;
            this.button3.Text = "导入文件";
            this.button3.UseVisualStyleBackColor = true;
            // 
            // lbljianlu
            // 
            this.lbljianlu.AutoSize = true;
            this.lbljianlu.Location = new System.Drawing.Point(115, 316);
            this.lbljianlu.Name = "lbljianlu";
            this.lbljianlu.Size = new System.Drawing.Size(77, 12);
            this.lbljianlu.TabIndex = 4;
            this.lbljianlu.Text = "图片链接路径";
            // 
            // ofiledbs
            // 
            this.ofiledbs.FileName = "openFileDialog1";
            // 
            // txtshijia
            // 
            this.txtshijia.Location = new System.Drawing.Point(65, 62);
            this.txtshijia.Name = "txtshijia";
            this.txtshijia.Size = new System.Drawing.Size(64, 21);
            this.txtshijia.TabIndex = 5;
            this.txtshijia.Text = "1";
            // 
            // timer1
            // 
            this.timer1.Interval = 4500;
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(19, 64);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(41, 12);
            this.label1.TabIndex = 6;
            this.label1.Text = "线程：";
            // 
            // label2
            // 
            this.label2.AutoSize = true;
            this.label2.Location = new System.Drawing.Point(135, 65);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(83, 12);
            this.label2.TabIndex = 7;
            this.label2.Text = "网址后缀.com:";
            // 
            // txtnancom
            // 
            this.txtnancom.Location = new System.Drawing.Point(224, 59);
            this.txtnancom.Name = "txtnancom";
            this.txtnancom.Size = new System.Drawing.Size(70, 21);
            this.txtnancom.TabIndex = 8;
            this.txtnancom.Text = "com";
            // 
            // lbltup
            // 
            this.lbltup.AutoSize = true;
            this.lbltup.Location = new System.Drawing.Point(19, 20);
            this.lbltup.Name = "lbltup";
            this.lbltup.Size = new System.Drawing.Size(95, 12);
            this.lbltup.TabIndex = 9;
            this.lbltup.Text = "正在下载的图片:";
            // 
            // button4
            // 
            this.button4.Location = new System.Drawing.Point(21, 212);
            this.button4.Name = "button4";
            this.button4.Size = new System.Drawing.Size(75, 66);
            this.button4.TabIndex = 10;
            this.button4.Text = "退出";
            this.button4.UseVisualStyleBackColor = true;
            // 
            // cboissf
            // 
            this.cboissf.AutoSize = true;
            this.cboissf.Location = new System.Drawing.Point(21, 190);
            this.cboissf.Name = "cboissf";
            this.cboissf.Size = new System.Drawing.Size(96, 16);
            this.cboissf.TabIndex = 11;
            this.cboissf.Text = "是否发完退出";
            this.cboissf.UseVisualStyleBackColor = true;
            // 
            // tabControl1
            // 
            this.tabControl1.Controls.Add(this.tabPage1);
            this.tabControl1.Controls.Add(this.tabPage2);
            this.tabControl1.Location = new System.Drawing.Point(171, 91);
            this.tabControl1.Name = "tabControl1";
            this.tabControl1.SelectedIndex = 0;
            this.tabControl1.Size = new System.Drawing.Size(541, 187);
            this.tabControl1.TabIndex = 12;
            // 
            // tabPage1
            // 
            this.tabPage1.Controls.Add(this.lblzg);
            this.tabPage1.Controls.Add(this.lblsb);
            this.tabPage1.Controls.Add(this.lblcg);
            this.tabPage1.Location = new System.Drawing.Point(4, 22);
            this.tabPage1.Name = "tabPage1";
            this.tabPage1.Padding = new System.Windows.Forms.Padding(3);
            this.tabPage1.Size = new System.Drawing.Size(533, 161);
            this.tabPage1.TabIndex = 0;
            this.tabPage1.Text = "状态";
            this.tabPage1.UseVisualStyleBackColor = true;
            // 
            // lblzg
            // 
            this.lblzg.AutoSize = true;
            this.lblzg.Location = new System.Drawing.Point(22, 33);
            this.lblzg.Name = "lblzg";
            this.lblzg.Size = new System.Drawing.Size(53, 12);
            this.lblzg.TabIndex = 2;
            this.lblzg.Text = "总共多少";
            // 
            // lblsb
            // 
            this.lblsb.AutoSize = true;
            this.lblsb.Location = new System.Drawing.Point(22, 116);
            this.lblsb.Name = "lblsb";
            this.lblsb.Size = new System.Drawing.Size(29, 12);
            this.lblsb.TabIndex = 1;
            this.lblsb.Text = "失败";
            // 
            // lblcg
            // 
            this.lblcg.AutoSize = true;
            this.lblcg.Location = new System.Drawing.Point(22, 80);
            this.lblcg.Name = "lblcg";
            this.lblcg.Size = new System.Drawing.Size(29, 12);
            this.lblcg.TabIndex = 0;
            this.lblcg.Text = "成功";
            // 
            // tabPage2
            // 
            this.tabPage2.Controls.Add(this.rtbsbd);
            this.tabPage2.Location = new System.Drawing.Point(4, 22);
            this.tabPage2.Name = "tabPage2";
            this.tabPage2.Padding = new System.Windows.Forms.Padding(3);
            this.tabPage2.Size = new System.Drawing.Size(533, 161);
            this.tabPage2.TabIndex = 1;
            this.tabPage2.Text = "失败的";
            this.tabPage2.UseVisualStyleBackColor = true;
            // 
            // rtbsbd
            // 
            this.rtbsbd.Location = new System.Drawing.Point(6, 10);
            this.rtbsbd.Name = "rtbsbd";
            this.rtbsbd.Size = new System.Drawing.Size(521, 128);
            this.rtbsbd.TabIndex = 0;
            this.rtbsbd.Text = "";
            // 
            // txtzt
            // 
            this.txtzt.Location = new System.Drawing.Point(118, 17);
            this.txtzt.Name = "txtzt";
            this.txtzt.Size = new System.Drawing.Size(628, 21);
            this.txtzt.TabIndex = 13;
            // 
            // button5
            // 
            this.button5.Location = new System.Drawing.Point(302, 84);
            this.button5.Name = "button5";
            this.button5.Size = new System.Drawing.Size(388, 23);
            this.button5.TabIndex = 14;
            this.button5.Text = "清空历史采集失败的";
            this.button5.UseVisualStyleBackColor = true;
            // 
            // frmimages
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(758, 449);
            this.Controls.Add(this.button5);
            this.Controls.Add(this.txtzt);
            this.Controls.Add(this.tabControl1);
            this.Controls.Add(this.cboissf);
            this.Controls.Add(this.button4);
            this.Controls.Add(this.lbltup);
            this.Controls.Add(this.txtnancom);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.txtshijia);
            this.Controls.Add(this.lbljianlu);
            this.Controls.Add(this.button3);
            this.Controls.Add(this.lbllu);
            this.Controls.Add(this.button2);
            this.Controls.Add(this.button1);
            this.MaximizeBox = false;
            this.Name = "frmimages";
            this.StartPosition = System.Windows.Forms.FormStartPosition.WindowsDefaultBounds;
            this.Text = "8.8星辰图片批量下载：QQ  1749408006";
            this.tabControl1.ResumeLayout(false);
            this.tabPage1.ResumeLayout(false);
            this.tabPage1.PerformLayout();
            this.tabPage2.ResumeLayout(false);
            this.ResumeLayout(false);
            this.PerformLayout();

		}
	}
}