利用C#实现批量图片格式转换功能
目录
- 实践过程
- 效果
- 代码
实践过程
效果
代码
public partial class Form1 : Form { public Form1() { InitializeComponent(); } string[] path1 = null; //用于存储选择的文件列表 string path2 = ""; //用于存储保存的路径 Bitmap bt; //声明一个转换图片格式的Bitmap对象 Thread td; //声明一个线程 int Imgtype1; //声明一个变量用于标记ConvertImage方法中转换的类型 string OlePath; //声明一个变量用于存储ConvertImage方法中原始图片的路径 string path; //声明一个变量用于存储ConvertImage方法中转换后图片的保存路径 int flags; //用于标记已转换图片的数量,用于计算转换进度 private void Form2_Load(object sender, EventArgs e) { tscbType.SelectedIndex = 0; //设置第一个转换类型被选中 CheckForIllegalCrossThreadCalls = false; //屏蔽线程弹出的错误提示 } private void toolStripButton3_Click(object sender, EventArgs e) //选择转换文件的按钮 { if (openFileDialog1.ShowDialog() == DialogResult.OK) //判断是否选择文件 { listView1.Items.Clear(); //清空listView1 string[] info = new string[7]; //存储每一行数据 FileInfo fi; //创建一个FileInfo对象,用于获取图片信息 path1 = openFileDialog1.FileNames; //获取选择的图片集合 for (int i = 0; i < path1.Length; i++) //读取集合中的内容 { //获取图片名称 string ImgName = path1[i].Substring(path1[i].LastIndexOf("\\") + 1, path1[i].Length - path1[i].LastIndexOf("\\") - 1); //获取图片类型 string ImgType = ImgName.Substring(ImgName.LastIndexOf(".") + 1, ImgName.Length - ImgName.LastIndexOf(".") - 1); fi = new FileInfo(path1[i].ToString()); //实例化FileInfo对象 //将每一行数据第一个位置的图标添加到imageList1中 imageList1.Images.Add(ImgName, Properties.Resources.图标__23_); info[1] = ImgName; //图片名称 info[2] = ImgType; //图片类型 info[3] = fi.LastWriteTime.ToShortDateString(); //图片最后修改日期 info[4] = path1[i].ToString(); //图片位置 info[5] = (fi.Length / 1024) + "KB"; //图片大小 info[6] = "未转换"; //图片状态 ListViewItem lvi = new ListViewItem(info, ImgName); //实例化ListViewItem对象 listView1.Items.Add(lvi); //将信息添加到listView1控件中 } tsslFileNum.Text = "当前共有" + path1.Length.ToString() + "个文件"; //状态栏中显示图片数量 } } private void toolStripButton2_Click(object sender, EventArgs e) //关闭按钮 { Application.Exit(); //退出系统 } private void toolStripButton5_Click(object sender, EventArgs e) //清空列表的按钮 { listView1.Items.Clear(); //清空列表 path1 = null; //清空图片的集合 tsslFileNum.Text = "当前没有文件"; //状态栏中提示 tsslPlan.Text = ""; //清空进度数字 } private void toolStripButton1_Click(object sender, EventArgs e) { if (path1 == null) //判断是否选择图片 { MessageBox.Show("请选择图片!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { if (path2.Length == 0) //判断是否选择保存位置 { MessageBox.Show("请选择保存位置!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { flags = 1; //初始化flags变量为1,用于计算进度 toolStrip1.Enabled = false; //当转换开始时,禁用工具栏 int flag = tscbType.SelectedIndex; //判断将图片转换为何种格式 switch (flag) //根据不同的格式进行转换 { case 0: Imgtype1 = 0; //如果选择第一项则转换为BMP格式 td = new Thread(new ThreadStart(ConvertImage)); //通过线程调用ConvertImage方法进行转换 td.Start(); break; case 1: //如果选择第二项则转换为JPG格式 Imgtype1 = 1; td = new Thread(new ThreadStart(ConvertImage)); //通过线程调用ConvertImage方法进行转换 td.Start(); break; case 2: //如果选择第三项则转换为PNG格式 Imgtype1 = 2; td = new Thread(new ThreadStart(ConvertImage)); //通过线程调用ConvertImage方法进行转换 td.Start(); break; case 3: //如果选择第四项则转换为GIF格式 Imgtype1 = 3; td = new Thread(new ThreadStart(ConvertImage)); //通过线程调用ConvertImage方法进行转换 td.Start(); break; default: td.Abort(); break; } } } } private void toolStripButton4_Click(object sender, EventArgs e) //选择保存路径按钮 { if (folderBrowserDialog1.ShowDialog() == DialogResult.OK) //判断是否选择保存路径 { path2 = folderBrowserDialog1.SelectedPath; //获取保存路径 } } private void ConvertImage() { flags = 1; switch (Imgtype1) { case 0: for (int i = 0; i < path1.Length; i++) { string ImgName = path1[i].Substring(path1[i].LastIndexOf("\\") + 1, path1[i].Length - path1[i].LastIndexOf("\\") - 1); ImgName = ImgName.Remove(ImgName.LastIndexOf(".")); OlePath = path1[i].ToString(); bt = new Bitmap(OlePath); path = path2 + "\\" + ImgName + ".bmp"; bt.Save(path, System.Drawing.Imaging.ImageFormat.Bmp); listView1.Items[flags - 1].SubItems[6].Text = "已转换"; tsslPlan.Text = "正在转换" + flags * 100 / path1.Length + "%"; if (flags == path1.Length) { toolStrip1.Enabled = true; tsslPlan.Text = "图片转换全部完成"; } flags++; } break; case 1: for (int i = 0; i < path1.Length; i++) { string ImgName = path1[i].Substring(path1[i].LastIndexOf("\\") + 1, path1[i].Length - path1[i].LastIndexOf("\\") - 1); ImgName = ImgName.Remove(ImgName.LastIndexOf(".")); OlePath = path1[i].ToString(); bt = new Bitmap(OlePath); path = path2 + "\\" + ImgName + ".jpeg"; bt.Save(path, System.Drawing.Imaging.ImageFormat.Jpeg); listView1.Items[flags - 1].SubItems[6].Text = "已转换"; tsslPlan.Text = "正在转换" + flags * 100 / path1.Length + "%"; if (flags == path1.Length) { toolStrip1.Enabled = true; tsslPlan.Text = "图片转换全部完成"; } flags++; } break; case 2: for (int i = 0; i < path1.Length; i++) { string ImgName = path1[i].Substring(path1[i].LastIndexOf("\\") + 1, path1[i].Length - path1[i].LastIndexOf("\\") - 1); ImgName = ImgName.Remove(ImgName.LastIndexOf(".")); OlePath = path1[i].ToString(); bt = new Bitmap(OlePath); path = path2 + "\\" + ImgName + ".png"; bt.Save(path, System.Drawing.Imaging.ImageFormat.Png); listView1.Items[flags - 1].SubItems[6].Text = "已转换"; tsslPlan.Text = "正在转换" + flags * 100 / path1.Length + "%"; if (flags == path1.Length) { toolStrip1.Enabled = true; tsslPlan.Text = "图片转换全部完成"; } flags++; } break; case 3: for (int i = 0; i < path1.Length; i++) { string ImgName = path1[i].Substring(path1[i].LastIndexOf("\\") + 1, path1[i].Length - path1[i].LastIndexOf("\\") - 1); ImgName = ImgName.Remove(ImgName.LastIndexOf(".")); OlePath = path1[i].ToString(); bt = new Bitmap(OlePath); path = path2 + "\\" + ImgName + ".gif"; bt.Save(path, System.Drawing.Imaging.ImageFormat.Gif); listView1.Items[flags - 1].SubItems[6].Text = "已转换"; tsslPlan.Text = "正在转换" + flags * 100 / path1.Length + "%"; if (flags == path1.Length) { toolStrip1.Enabled = true; tsslPlan.Text = "图片转换全部完成"; } flags++; } break; default: bt.Dispose(); break; } } private void Form2_FormClosed(object sender, FormClosedEventArgs e) //关闭窗口时要关闭线程 { if (td != null) //判断是否存在线程 { if (td.ThreadState == ThreadState.Running) //然后判断线程是否正在运行 { td.Abort(); //如果运行则关闭线程 } } } }
partial class Form1 { /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.IContainer components = null; /// <summary> /// Clean up any resources being used. /// </summary> /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param> protected override void Dispose(bool disposing) { if (disposing && (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.components = new System.ComponentModel.Container(); System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1)); this.toolStrip1 = new System.Windows.Forms.ToolStrip(); this.toolStripLabel1 = new System.Windows.Forms.ToolStripLabel(); this.toolStripButton3 = new System.Windows.Forms.ToolStripButton(); this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator(); this.toolStripButton4 = new System.Windows.Forms.ToolStripButton(); this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator(); this.toolStripLabel3 = new System.Windows.Forms.ToolStripLabel(); this.tscbType = new System.Windows.Forms.ToolStripComboBox(); this.toolStripSeparator3 = new System.Windows.Forms.ToolStripSeparator(); this.toolStripButton1 = new System.Windows.Forms.ToolStripButton(); this.toolStripSeparator4 = new System.Windows.Forms.ToolStripSeparator(); this.toolStripButton5 = new System.Windows.Forms.ToolStripButton(); this.toolStripSeparator5 = new System.Windows.Forms.ToolStripSeparator(); this.toolStripButton2 = new System.Windows.Forms.ToolStripButton(); this.statusStrip1 = new System.Windows.Forms.StatusStrip(); this.tsslFileNum = new System.Windows.Forms.ToolStripStatusLabel(); this.toolStripStatusLabel1 = new System.Windows.Forms.ToolStripStatusLabel(); this.tsslPlan = new System.Windows.Forms.ToolStripStatusLabel(); this.listView1 = new System.Windows.Forms.ListView(); this.columnHeader6 = new System.Windows.Forms.ColumnHeader(); this.columnHeader1 = new System.Windows.Forms.ColumnHeader(); this.columnHeader2 = new System.Windows.Forms.ColumnHeader(); this.columnHeader3 = new System.Windows.Forms.ColumnHeader(); this.columnHeader4 = new System.Windows.Forms.ColumnHeader(); this.columnHeader5 = new System.Windows.Forms.ColumnHeader(); this.columnHeader7 = new System.Windows.Forms.ColumnHeader(); this.imageList1 = new System.Windows.Forms.ImageList(this.components); this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog(); this.folderBrowserDialog1 = new System.Windows.Forms.FolderBrowserDialog(); this.toolStrip1.SuspendLayout(); this.statusStrip1.SuspendLayout(); this.SuspendLayout(); // // toolStrip1 // this.toolStrip1.GripStyle = System.Windows.Forms.ToolStripGripStyle.Hidden; this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { this.toolStripLabel1, this.toolStripButton3, this.toolStripSeparator1, this.toolStripButton4, this.toolStripSeparator2, this.toolStripLabel3, this.tscbType, this.toolStripSeparator3, this.toolStripButton1, this.toolStripSeparator4, this.toolStripButton5, this.toolStripSeparator5, this.toolStripButton2}); this.toolStrip1.Location = new System.Drawing.Point(0, 0); this.toolStrip1.Name = "toolStrip1"; this.toolStrip1.RenderMode = System.Windows.Forms.ToolStripRenderMode.System; this.toolStrip1.Size = new System.Drawing.Size(536, 25); this.toolStrip1.TabIndex = 0; this.toolStrip1.Text = "toolStrip1"; // // toolStripLabel1 // this.toolStripLabel1.Name = "toolStripLabel1"; this.toolStripLabel1.Size = new System.Drawing.Size(17, 22); this.toolStripLabel1.Text = " "; // // toolStripButton3 // this.toolStripButton3.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image; this.toolStripButton3.Image = global::PictureBatchConversion.Properties.Resources.打开; this.toolStripButton3.ImageTransparentColor = System.Drawing.Color.Magenta; this.toolStripButton3.Name = "toolStripButton3"; this.toolStripButton3.Size = new System.Drawing.Size(23, 22); this.toolStripButton3.Text = "toolStripButton3"; this.toolStripButton3.ToolTipText = "选择需要转换的图片"; this.toolStripButton3.Click += new System.EventHandler(this.toolStripButton3_Click); // // toolStripSeparator1 // this.toolStripSeparator1.Name = "toolStripSeparator1"; this.toolStripSeparator1.Size = new System.Drawing.Size(6, 25); // // toolStripButton4 // this.toolStripButton4.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image; this.toolStripButton4.Image = global::PictureBatchConversion.Properties.Resources.图标__29_; this.toolStripButton4.ImageTransparentColor = System.Drawing.Color.Magenta; this.toolStripButton4.Name = "toolStripButton4"; this.toolStripButton4.Size = new System.Drawing.Size(23, 22); this.toolStripButton4.Text = "toolStripButton4"; this.toolStripButton4.TextImageRelation = System.Windows.Forms.TextImageRelation.Overlay; this.toolStripButton4.ToolTipText = "选择保存位置"; this.toolStripButton4.Click += new System.EventHandler(this.toolStripButton4_Click); // // toolStripSeparator2 // this.toolStripSeparator2.Name = "toolStripSeparator2"; this.toolStripSeparator2.Size = new System.Drawing.Size(6, 25); // // toolStripLabel3 // this.toolStripLabel3.Name = "toolStripLabel3"; this.toolStripLabel3.Size = new System.Drawing.Size(65, 22); this.toolStripLabel3.Text = "转换格式:"; // // tscbType // this.tscbType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList; this.tscbType.FlatStyle = System.Windows.Forms.FlatStyle.System; this.tscbType.Items.AddRange(new object[] { "转换为BMP格式", "转换为JPG格式", "转换为PNG格式", "转换为GIF格式"}); this.tscbType.Name = "tscbType"; this.tscbType.Size = new System.Drawing.Size(121, 25); // // toolStripSeparator3 // this.toolStripSeparator3.Name = "toolStripSeparator3"; this.toolStripSeparator3.Size = new System.Drawing.Size(6, 25); // // toolStripButton1 // this.toolStripButton1.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text; this.toolStripButton1.Image = ((System.Drawing.Image)(resources.GetObject("toolStripButton1.Image"))); this.toolStripButton1.ImageTransparentColor = System.Drawing.Color.Magenta; this.toolStripButton1.Name = "toolStripButton1"; this.toolStripButton1.Size = new System.Drawing.Size(57, 22); this.toolStripButton1.Text = "开始转换"; this.toolStripButton1.Click += new System.EventHandler(this.toolStripButton1_Click); // // toolStripSeparator4 // this.toolStripSeparator4.Name = "toolStripSeparator4"; this.toolStripSeparator4.Size = new System.Drawing.Size(6, 25); // // toolStripButton5 // this.toolStripButton5.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text; this.toolStripButton5.Image = ((System.Drawing.Image)(resources.GetObject("toolStripButton5.Image"))); this.toolStripButton5.ImageTransparentColor = System.Drawing.Color.Magenta; this.toolStripButton5.Name = "toolStripButton5"; this.toolStripButton5.Size = new System.Drawing.Size(57, 22); this.toolStripButton5.Text = "清空列表"; this.toolStripButton5.Click += new System.EventHandler(this.toolStripButton5_Click); // // toolStripSeparator5 // this.toolStripSeparator5.Name = "toolStripSeparator5"; this.toolStripSeparator5.Size = new System.Drawing.Size(6, 25); // // toolStripButton2 // this.toolStripButton2.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Text; this.toolStripButton2.Font = new System.Drawing.Font("宋体", 9F); this.toolStripButton2.Image = ((System.Drawing.Image)(resources.GetObject("toolStripButton2.Image"))); this.toolStripButton2.ImageTransparentColor = System.Drawing.Color.Magenta; this.toolStripButton2.Name = "toolStripButton2"; this.toolStripButton2.Size = new System.Drawing.Size(33, 22); this.toolStripButton2.Text = "关闭"; this.toolStripButton2.Click += new System.EventHandler(this.toolStripButton2_Click); // // statusStrip1 // this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { this.tsslFileNum, this.toolStripStatusLabel1, this.tsslPlan}); this.statusStrip1.Location = new System.Drawing.Point(0, 321); this.statusStrip1.Name = "statusStrip1"; this.statusStrip1.Size = new System.Drawing.Size(536, 22); this.statusStrip1.TabIndex = 1; this.statusStrip1.Text = "statusStrip1"; // // tsslFileNum // this.tsslFileNum.Name = "tsslFileNum"; this.tsslFileNum.Size = new System.Drawing.Size(0, 17); // // toolStripStatusLabel1 // this.toolStripStatusLabel1.Name = "toolStripStatusLabel1"; this.toolStripStatusLabel1.Size = new System.Drawing.Size(23, 17); this.toolStripStatusLabel1.Text = " "; // // tsslPlan // this.tsslPlan.Name = "tsslPlan"; this.tsslPlan.Size = new System.Drawing.Size(0, 17); // // listView1 // this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] { this.columnHeader6, this.columnHeader1, this.columnHeader2, this.columnHeader3, this.columnHeader4, this.columnHeader5, this.columnHeader7}); this.listView1.Dock = System.Windows.Forms.DockStyle.Fill; this.listView1.Font = new System.Drawing.Font("宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134))); this.listView1.FullRowSelect = true; this.listView1.GridLines = true; this.listView1.Location = new System.Drawing.Point(0, 25); this.listView1.Name = "listView1"; this.listView1.Size = new System.Drawing.Size(536, 296); this.listView1.SmallImageList = this.imageList1; this.listView1.TabIndex = 2; this.listView1.UseCompatibleStateImageBehavior = false; this.listView1.View = System.Windows.Forms.View.Details; // // columnHeader6 // this.columnHeader6.Text = ""; this.columnHeader6.Width = 20; // // columnHeader1 // this.columnHeader1.Text = "文件名"; this.columnHeader1.Width = 120; // // columnHeader2 // this.columnHeader2.Text = "扩展名"; // // columnHeader3 // this.columnHeader3.Text = "日期"; this.columnHeader3.Width = 80; // // columnHeader4 // this.columnHeader4.Text = "路径"; this.columnHeader4.Width = 120; // // columnHeader5 // this.columnHeader5.Text = "大小"; this.columnHeader5.Width = 70; // // columnHeader7 // this.columnHeader7.Text = "状态"; // // imageList1 // this.imageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth32Bit; this.imageList1.ImageSize = new System.Drawing.Size(16, 16); this.imageList1.TransparentColor = System.Drawing.Color.Transparent; // // openFileDialog1 // this.openFileDialog1.Filter = "所有图片|*.jpg;*.jpeg;*.gif;*.bmp;*.png"; this.openFileDialog1.Multiselect = true; // // Form2 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(536, 343); this.Controls.Add(this.listView1); this.Controls.Add(this.statusStrip1); this.Controls.Add(this.toolStrip1); this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle; this.MaximizeBox = false; this.Name = "Form2"; this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = "批量图片格式转换"; this.Load += new System.EventHandler(this.Form2_Load); this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.Form2_FormClosed); this.toolStrip1.ResumeLayout(false); this.toolStrip1.PerformLayout(); this.statusStrip1.ResumeLayout(false); this.statusStrip1.PerformLayout(); this.ResumeLayout(false); this.PerformLayout(); } #endregion private System.Windows.Forms.ToolStrip toolStrip1; private System.Windows.Forms.StatusStrip statusStrip1; private System.Windows.Forms.ListView listView1; private System.Windows.Forms.ToolStripLabel toolStripLabel1; private System.Windows.Forms.ToolStripSeparator toolStripSeparator1; private System.Windows.Forms.ToolStripLabel toolStripLabel3; private System.Windows.Forms.ToolStripComboBox tscbType; private System.Windows.Forms.ToolStripSeparator toolStripSeparator2; private System.Windows.Forms.ToolStripSeparator toolStripSeparator3; private System.Windows.Forms.ToolStripButton toolStripButton1; private System.Windows.Forms.ToolStripButton toolStripButton2; private System.Windows.Forms.ColumnHeader columnHeader1; private System.Windows.Forms.ColumnHeader columnHeader2; private System.Windows.Forms.ColumnHeader columnHeader3; private System.Windows.Forms.ColumnHeader columnHeader4; private System.Windows.Forms.ColumnHeader columnHeader5; private System.Windows.Forms.OpenFileDialog openFileDialog1; private System.Windows.Forms.ToolStripButton toolStripButton3; private System.Windows.Forms.ToolStripButton toolStripButton4; private System.Windows.Forms.ColumnHeader columnHeader6; private System.Windows.Forms.ImageList imageList1; private System.Windows.Forms.ToolStripStatusLabel tsslFileNum; private System.Windows.Forms.ToolStripButton toolStripButton5; private System.Windows.Forms.ToolStripSeparator toolStripSeparator4; private System.Windows.Forms.ToolStripSeparator toolStripSeparator5; private System.Windows.Forms.FolderBrowserDialog folderBrowserDialog1; private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel1; private System.Windows.Forms.ToolStripStatusLabel tsslPlan; private System.Windows.Forms.ColumnHeader columnHeader7; }
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