使用Java文件选择器去获取文件、图片

最新推荐文章于 2025-05-25 15:43:01 发布

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最新推荐文章于 2025-05-25 15:43:01 发布 · 3.2k 阅读

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#java

1.使用JFileChooser去获取文件路径

2.使用ImageIO读取路径下的图片

3.标签设置图片对象( jLabel1.setIcon(new ImageIcon(image))

4.代码演示


import java.awt.Image;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.filechooser.FileSystemView;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author lenovo
 */
public class PersonIntroduce extends javax.swing.JFrame {

    /**
     * Creates new form PersonIntroduce
     */
    public PersonIntroduce() {
        initComponents();
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jLabel2 = new javax.swing.JLabel();
        jtSex = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        jtname = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        jtNation = new javax.swing.JTextField();
        jLabel5 = new javax.swing.JLabel();
        jtAddress = new javax.swing.JTextField();
        jLabel6 = new javax.swing.JLabel();
        jtelephonenumber = new javax.swing.JTextField();
        jLabel7 = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jbtPicture = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jbtSave = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 297, Short.MAX_VALUE)
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 293, Short.MAX_VALUE)
        );

        jLabel2.setText("姓名");

        jtSex.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));

        jLabel3.setText("性别");

        jtname.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));

        jLabel4.setText("民族");

        jtNation.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing<