批量压缩放大图片(java).docx

package com.tzx.a;import java.awt.BorderLayout;import java.awt.Font;import java.awt.GridLayout;import java.awt.Image;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.awt.image.BufferedImage;import java.awt.image.RenderedImage;import java.io.File;import java.io.IOException;import javax.imageio.ImageIO;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JTextArea;import javax.swing.JTextField;import javax.swing.UIManager;public class PicPro extends WindowAdapter implements ActionListenerJFrame frame;JPanel panel1,panel3,panel4,panel5;JTextField tf1,tf2,tf3,tf4;JTextArea ta;JLabel label1,label2,label3,label4;JButton button,button1,button2;Font font1=new Font(宋体,Font.PLAIN,20);Font font2=new Font(宋体,Font.PLAIN,16);File filein;File fileout;Filefilelist;File wzw=new File(wzw);int width;int height;boolean flag_in;/输入文件夹boolean flag_out;/输出文件夹boolean flag_num;/缩放像素PicPro()frame=new JFrame(批量图片处理);frame.setSize(500,600);frame.setLocation(300,100);frame.setResizable(false);panel1=new JPanel();panel3=new JPanel();panel4=new JPanel();panel5=new JPanel();tf1=new JTextField(30);tf2=new JTextField(30);tf3=new JTextField(7);tf4=new JTextField(7);tf1.setFont(font1);tf2.setFont(font1);tf3.setFont(font1);tf4.setFont(font1);label1=new JLabel(源文件夹);label2=new JLabel(目标文件夹);label3=new JLabel(转换后X:);label4=new JLabel(转换后Y:);label1.setFont(font2);label2.setFont(font2);label3.setFont(font2);label4.setFont(font2);ta=new JTextArea();ta.setFont(font2);ta.setEditable(false);ta.setLineWrap(true);JScrollPane scroller=new JScrollPane(ta);scroller.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);frame.add(scroller,BorderLayout.CENTER);ta.setText(请注意各项的填写格式,区分大小写:n+源文件夹填写要转换图片集所在文件夹,例如D:picture;n+目标文件夹填写转换后保存的文件夹,例如C:picture;n+转换后X：填写希望转换后图片的宽度(整数);n+转换后Y：填写希望转换后图片的高度(整数);n+当源文件夹中有非图片格式文件或文件夹时，程序会自动选择出图片文件n+Change之前请先Check,当目标文件夹中重名情况时，程序会给出是否覆盖提示.n+ttt程序问题发送到n);button=new JButton(Change);button1=new JButton(Check);button2=new JButton(Check);button.setFont(font2);button1.setFont(font2);button2.setFont(font2);panel1.setLayout(new GridLayout(3,1);panel1.add(panel3);panel1.add(panel4);panel1.add(panel5);panel3.add(label1);panel3.add(tf1);panel3.add(button1);panel4.add(label2);panel4.add(tf2);panel4.add(button2);panel5.add(label3);panel5.add(tf3);panel5.add(label4);panel5.add(tf4);panel5.add(button);frame.add(panel1,BorderLayout.NORTH);frame.setVisible(true);button.addActionListener(this);button1.addActionListener(this);button2.addActionListener(this);frame.addWindowListener(this);/* * TODO对按钮进行监听 * */public void actionPerformed(ActionEvent e)if(e.getSource()=button)flag_num=false;if(checkNum(tf3.getText()=true&checkNum(tf4.getText()width=(int) Double.parseDouble(tf3.getText();height=(int) Double.parseDouble(tf4.getText();flag_num=true;else flag_num=false;ta.append(XY填写格式不正确,请重新填写n);if(flag_in=true&flag_out=true&flag_num=true)ta.append(目标文件列表n);int cnt=0;for(int i=0;ifilelist.length;i+)if(filelisti!=wzw)File outtemp;try RenderedImage im=convert(width,height,ImageIO.read(filelisti);String outputFilename=副本+filelisti.getName();String format=outputFilename.substring(outputFilename.lastIndexOf(.)+1);outtemp=new File(fileout+outputFilename);/System.out.println(outputFilename);if(outtemp.exists()=true)int restartChoose=JOptionPane.showConfirmDialog(frame,有相同名称的文件，是否覆盖？,提示,JOptionPane.OK_CANCEL_OPTION);if(restartChoose=JOptionPane.OK_OPTION)ImageIO.write(im,format,outtemp);ta.append(outtemp.getAbsolutePath();ta.append(tt+Finished+n);cnt+;elsereturn;elseImageIO.write(im,format,outtemp);ta.append(outtemp.getAbsolutePath();ta.append(tt+Finished+n);cnt+;catch (IOException e2) e2.printStackTrace(); catch (Exception e1) e1.printStackTrace();ta.append(目标文件共+cnt+个n);else if(e.getSource()=button1)flag_in=false;filein=new File(tf1.getText();if(filein.exists()=true&filein.isDirectory()=true)ta.append(n源文件夹填写格式正确n);flag_in=true;filelist=filein.listFiles();for(int i=0;ifilelist.length;i+)if(filelisti.isFile()=false)filelisti=wzw;String ispic;for(int i=0;ifilelist.length;i+)if(filelisti!=wzw)String temp;temp=filelisti.getName();ispic=temp.substring(temp.lastIndexOf(.)+1);if(ispic.equals(jpg)=false)&(ispic.equals(bmp)=false)&(ispic.equals(gif)=false)&(ispic.equals(png)=false)&(ispic.equals(JPG)=false)&(ispic.equals(BMP)=false)&(ispic.equals(GIF)=false)&(ispic.equals(PNG)=false)filelisti=wzw;ta.append(源文件列表:n);int num=0;for(int i=0;ifilelist.length;i+)if(filelisti!=wzw)ta.append(filelisti+n);num+;ta.append(源文件共+num+个n);ta.append(n);elseta.append(n源文件夹不存在或者输入格式错误！n);flag_in=false;else if(e.getSource()=button2)flag_out=false;fileout=new File(tf2.getText();if(fileout.exists()=true&fileout.isDirectory()=true)ta.append(目标文件夹填写格式正确n);flag_out=true;else ta.append(n目标文件夹不存在或者输入格式错误！n);flag_out=false;public void windowClosing(WindowEvent e) System.exit(0); public static void main(String args) throws Exception try UIManager.setLookAndFeel(com.sun.java.swing.plaf.windows.WindowsLookAndFeel); catch(Exception e) new PicPro();/* * TODO图片缩放 * */public static BufferedImage convert(int width,int height,BufferedImage input)throws ExceptionBufferedImage output=new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);Image image=input.getScaledInstance(output.getWidth(),out