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1. 做的是这个迭代任务中的子任务，功能为：密码输入时可显示长度，再次打开时隐藏密码长度，统一显示为8位的加密字符，点击密码输入框做输入或编辑密码动作时，先清空密码，再输入内容，保存后生效 2. 写了一个UIPasswordField的子类，相比UIPasswordField增加了上述功能 3. 将目标场景中的密码框替换为新的UIPasswordFieldWithFixedLength 4. 修改一些导包问题feature/big-screen
3 changed files with 134 additions and 7 deletions
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package com.fr.design.gui.ipasswordfield; |
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import com.fr.stable.StringUtils; |
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import org.jetbrains.annotations.NotNull; |
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import javax.swing.text.Document; |
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import java.awt.event.KeyAdapter; |
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import java.awt.event.KeyEvent; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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/** |
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* @author Yvan |
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* @version 10.0 |
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* Created by Yvan on 2020-08-11 |
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* 有固定长度的"*"回显的密码框，避免泄露密码长度 |
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*/ |
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public class UIPasswordFieldWithFixedLength extends UIPassWordField { |
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/** |
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* 展示密码，为固定8位长度的特殊字符"*"组成 |
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*/ |
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private static final String DISPLAY_PASSWORD = "********"; |
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/** |
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* 实际密码 |
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*/ |
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private String realPassword; |
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/** |
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* 用于判断是否清空密码 |
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*/ |
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private boolean clearPassword; |
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public UIPasswordFieldWithFixedLength() { |
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this(null, null, 0); |
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} |
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public UIPasswordFieldWithFixedLength(String text) { |
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this(null, text, 0); |
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} |
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public UIPasswordFieldWithFixedLength(int columns) { |
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this(null, null, columns); |
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} |
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public UIPasswordFieldWithFixedLength(String text, int columns) { |
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this(null, text, columns); |
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} |
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public UIPasswordFieldWithFixedLength(Document doc, String txt, int columns) { |
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super(doc, txt, columns); |
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initRealPassword(txt); |
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} |
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/** |
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* 为realPassword赋初值并添加一个鼠标单击事件 |
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*/ |
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public void initRealPassword(String text) { |
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this.realPassword = text == null ? StringUtils.EMPTY : text; |
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this.clearPassword = true; |
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addShowFixedLengthPasswordListener(); |
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} |
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/** |
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* 当鼠标点击密码框，第一次做出键入动作时，清空显示密码与实际密码，用户需要重新输入密码 |
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*/ |
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private void addShowFixedLengthPasswordListener() { |
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this.addMouseListener(new MouseAdapter() { |
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@Override |
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public void mouseClicked(MouseEvent e) { |
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UIPasswordFieldWithFixedLength.this.clearPassword = true; |
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} |
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}); |
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this.addKeyListener(new KeyAdapter() { |
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@Override |
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public void keyPressed(KeyEvent e) { |
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if (clearPassword) { |
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UIPasswordFieldWithFixedLength.this.setText(StringUtils.EMPTY); |
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UIPasswordFieldWithFixedLength.this.clearPassword = false; |
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UIPasswordFieldWithFixedLength.this.updateUI(); |
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} |
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} |
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}); |
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} |
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@Override |
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public void setText(@NotNull String t) { |
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this.realPassword = t; |
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// 看到代码中有些场景是将密码置为空字符串的，所以在这里加个判断
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if (StringUtils.isEmpty(t)) { |
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super.setText(t); |
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} else { |
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super.setText(DISPLAY_PASSWORD); |
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} |
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} |
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@Override |
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public char[] getPassword() { |
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//如果用户刚清空密码框，并输入了新密码，则返回输入内容，否则返回realPassword
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String text = new String(super.getPassword()); |
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if (!StringUtils.isEmpty(text) && StringUtils.isEmpty(realPassword)) { |
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return text.toCharArray(); |
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} |
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return realPassword.toCharArray(); |
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} |
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} |
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