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程序在事件监听处出了问题,业务为用户注册界面,具体业务是在运行程序后,
(1)点击提交按钮,控制台会出现提交的字样。
(2)点重置按钮,控制台会出现重置的字样。
但实际并没有出现此字样,在我经过多次检验之后最终将问题定位到第188行代码的if语句中。(e.getSource() == this.submitButton)这句代码显示的是false。我将这句代码放入syste.out.printin()中打印出来的还是false。
我将问题出现位置和相关代码位置都做了注释,方便大神寻找。蟹蟹。
问题区域187行~194行
监听事件进行的相关按钮159~164行
package com.java15.test1;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class Test01 extends JFrame implements ActionListener{ //事件监听接口
private JPanel bodypanel = null;
private JLabel titleLabel = null;
//用户名
private JLabel nameLabel = null;
private JTextField nameField = null;
//密码
private JLabel passwordLabel = null;
private JPasswordField passwordField = null;
private JLabel password2Label = null;
private JPasswordField password2Field = null;
//性别
private JPanel sexPanel = null;
private JLabel sexLabel = null;
private JRadioButton boyRadioButton = null;
private JRadioButton girlRadioButton = null;
//爱好
private JLabel likeLabel = null;
private JPanel likePanel = null;
private JCheckBox readCheckBox = null;
private JCheckBox sportCheckBox = null;
private JCheckBox sleepCheckBox = null;
//籍贯
private JLabel cityLabel = null;
private JComboBox cityComboBox = null;
//描述
private JLabel discLabel = null;
private JTextArea discTextArea = null;
private JScrollPane discScrollPane = null;
private JPanel buttonPanel = null;
private JButton submitButton = null;
private JButton resetButton = null;
private void init() {
Container content = this.getContentPane();
GridBagConstraints gbc = new GridBagConstraints();
this.bodypanel = new JPanel( new GridBagLayout());
content.add(this.bodypanel);
this.setTitle("用户注册");
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.titleLabel = new JLabel("用户注册");
gbc.gridx = 1;
gbc.gridy = 0;
this.bodypanel.add(this.titleLabel , gbc);
//用户名行
gbc.anchor = GridBagConstraints.EAST;
this.nameLabel = new JLabel("用户名:");
gbc.gridx = 0;
gbc.gridy = 1;
this.bodypanel.add(this.nameLabel , gbc);
this.nameField = new JTextField(16);
gbc.gridx = 1;
gbc.gridy = 1;
this.bodypanel.add(this.nameField , gbc);
//密码行
this.passwordLabel = new JLabel("密 码:");
gbc.gridx = 0;
gbc.gridy = 2;
this.bodypanel.add(this.passwordLabel , gbc);
this.passwordField = new JPasswordField(16);
gbc.gridx = 1;
gbc.gridy = 2;
this.bodypanel.add(this.passwordField , gbc);
//密码2行
this.password2Label = new JLabel("密 码2:");
gbc.gridx = 0;
gbc.gridy = 3;
this.bodypanel.add(this.password2Label , gbc);
this.password2Field = new JPasswordField(16);
gbc.gridx = 1;
gbc.gridy = 3;
this.bodypanel.add(this.password2Field , gbc);
//性别行
this.sexLabel = new JLabel("性 别:");
gbc.gridx = 0;
gbc.gridy = 4;
this.bodypanel.add(this.sexLabel , gbc);
this.sexPanel = new JPanel( new FlowLayout(FlowLayout.CENTER, 35, 0));
this.boyRadioButton = new JRadioButton("男", true);
this.girlRadioButton = new JRadioButton("女");
ButtonGroup sexGroup = new ButtonGroup();
sexGroup.add(this.boyRadioButton);
sexGroup.add(this.girlRadioButton);
this.sexPanel.add(this.boyRadioButton);
this.sexPanel.add(this.girlRadioButton);
gbc.gridx = 1;
gbc.gridy = 4;
this.bodypanel.add(this.sexPanel , gbc);
//爱好行
this.likeLabel = new JLabel("爱 好:");
gbc.gridx = 0;
gbc.gridy = 5;
this.bodypanel.add(this.likeLabel , gbc);
this.likePanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 6, 0));
this.readCheckBox = new JCheckBox("阅读");
this.sportCheckBox = new JCheckBox("运动");
this.sleepCheckBox = new JCheckBox("睡觉");
this.likePanel.add(this.readCheckBox);
this.likePanel.add(this.sportCheckBox);
this.likePanel.add(this.sleepCheckBox);
gbc.gridx = 1;
gbc.gridy = 5;
this.bodypanel.add(this.likePanel , gbc);
//籍贯行
this.cityLabel = new JLabel("籍 贯:");
gbc.gridx = 0;
gbc.gridy = 6;
this.bodypanel.add(this.cityLabel , gbc);
String[] citys = {"西安" , "北京" , "广州" , "上海"};
this.cityComboBox = new JComboBox(citys);
this.cityComboBox.setPreferredSize(new Dimension(178, 30));
gbc.gridx = 1;
gbc.gridy = 6;
this.bodypanel.add(this.cityComboBox , gbc);
//简述行
this.discLabel = new JLabel("简 述:");
gbc.gridx = 0;
gbc.gridy = 7;
this.bodypanel.add(this.discLabel , gbc);
this.discTextArea = new JTextArea("请输入个人简介!", 10, 16);
this.discScrollPane = new JScrollPane(this.discTextArea);
gbc.gridx = 1;
gbc.gridy = 7;
this.bodypanel.add(this.discScrollPane , gbc);
//提交、重置按钮行
this.buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 20, 0));
// 事件监听相关按钮开始
this.submitButton = new JButton("提交");
this.submitButton.addActionListener(this);
this.resetButton = new JButton("重置");
this.resetButton.addActionListener(this);
// 事件监听相关按钮结束
this.buttonPanel.add(this.submitButton);
this.buttonPanel.add(this.resetButton);
gbc.gridx = 1;
gbc.gridy = 8;
this.bodypanel.add(this.buttonPanel , gbc);
}
public Test01() {
this.init();
}
public static void main(String[] args) {
Test01 test01 = new Test01();
test01.setBounds(150, 50, 400, 650);
test01.setVisible(true);
test01.init();
}
//出错区域开始
public void actionPerformed(ActionEvent e) {
if(e.getSource() == this.submitButton) {
System.out.println("提交");
} else if(e.getSource() == this.resetButton) {
System.out.println("重置");
}
}
//出错区域结束
}
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