用java swing 中的jTextPane实现局部文本改色添加删除线等操作
用java swing 中的jTextPane实现局部文本改色添加删除线等操作，以下是执行图片：
实现代码如下：
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/*
* NewJFrame.java
*
* Created on 2011-2-21, 9:04:46
*/
package desktopapplicationmenu;
import java.awt.Color;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
/**
*
* @author
*/
public class NewJFrame extends javax.swing.JFrame {
/** Creates new form NewJFrame */
public NewJFrame() {
initComponents();
jTextPane1.setText("http://www.my400800.cn ");
// jEditorPane1.(" Google
Yahoo! ");
}
/** 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")
//
private void initComponents() {
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jScrollPane2 = new javax.swing.JScrollPane();
jTextPane1 = new javax.swing.JTextPane();
jButton3 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setName("Form"); // NOI18N
org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(desktopapplicationmenu.DesktopApplicationMenu.class).getContext().getResourceMap(NewJFrame.class);
jButton1.setLabel(resourceMap.getString("jButton1.label")); // NOI18N
jButton1.setName("jButton1"); // NOI18N
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText(resourceMap.getString("jButton2.text")); // NOI18N
jButton2.setName("jButton2"); // NOI18N
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jScrollPane2.setName("jScrollPane2"); // NOI18N
jTextPane1.setText(resourceMap.getString("jTextPane1.text")); // NOI18N
jTextPane1.setName("jTextPane1"); // NOI18N
jScrollPane2.setViewportView(jTextPane1);
jButton3.setText(resourceMap.getString("jButton3.text")); // NOI18N
jButton3.setName("jButton3"); // NOI18N
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(247, 247, 247)
.addComponent(jButton2)
.addGap(33, 33, 33)
.addComponent(jButton1)
.addGap(55, 55, 55)
.addComponent(jButton3))
.addGroup(layout.createSequentialGroup()
.addGap(18, 18, 18)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 838, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(39, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 512, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 47, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton3)
.addComponent(jButton2))
.addGap(37, 37, 37))
);
jButton3.getAccessibleContext().setAccessibleName(resourceMap.getString("jButton3.AccessibleContext.accessibleName")); // NOI18N
pack();
}//
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Document doc = jTextPane1.getStyledDocument();
int istartPosition = 1;
int iType = 1;
int iPK = 1;
SetAddText(istartPosition, iType, iPK, jTextPane1, doc);
// String str = "";
// Document doc = jTextPane1.getStyledDocument();
//
// str = jTextPane1.getText();
//
//
// int iStart = str.indexOf("7891");
// int iEnd = str.indexOf("1011");
// try {
// String strReplace = str.substring(iStart, iEnd);
// System.out.println(strReplace);
//
// doc.remove(iStart, strReplace.replace("\n", "").length());
//
// doc.insertString(iStart, strReplace, getAddAttrSet());
// } catch (BadLocationException ex) {
// Logger.getLogger(NewJFrame.class.getName()).log(Level.SEVERE, null, ex);
// }
//
// jTextPane1.setSelectionStart(iStart);
// jTextPane1.setSelectionEnd(iEnd);
// jTextPane1.setSelectionEnd(iStart);
// //DefaultStyledDocument.ElementEdit;
// jTextPane1.setSelectedTextColor(Color.red);
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
String str = "";
for (int i = 0; i < 10; i++) {
str += "" + i + (i + 1) + (i + 2) + (i + 3) + (i + 4) + "\r\n";
}
Document doc = jTextPane1.getStyledDocument();
jTextPane1.setText(str);
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Document doc = jTextPane1.getStyledDocument();
int istartPosition = 1;
int iType = 1;
int iPK = 1;
SetDelText(istartPosition, iType, iPK, jTextPane1, doc);
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new NewJFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JTextPane jTextPane1;
// End of variables declaration
/**
* 返回 新添加属性样式
*
* @return
*/
public SimpleAttributeSet getAddAttrSet() {
SimpleAttributeSet attrSet = new SimpleAttributeSet();
StyleConstants.setItalic(attrSet, false);
StyleConstants.setUnderline(attrSet, false);
StyleConstants.setFontSize(attrSet, 16);
StyleConstants.setForeground(attrSet, Color.red);
return attrSet;
}
/**
* 返回 删除加属性样式
*
* @return
*/
public SimpleAttributeSet getDelAttrSet() {
SimpleAttributeSet attrSet = new SimpleAttributeSet();
StyleConstants.setItalic(attrSet, true);
StyleConstants.setUnderline(attrSet, true);
StyleConstants.setFontSize(attrSet, 16);
StyleConstants.setForeground(attrSet, Color.BLUE);
StyleConstants.setStrikeThrough(attrSet, true);
return attrSet;
}
/**
* 设定添加文本颜色
* @param istartPosition 字符开始检索位置
* @param iType 类型：属性、段位、状态
* @param iPK 设定属性PK
*/
public void SetAddText(int istartPosition, int iType, int iPK, javax.swing.JTextPane jTextPaneObj, Document doc) {
String strReplaceForm = "";
istartPosition = 10;
String strReplaceTo = "http://www.my400800.cn";
SimpleAttributeSet attrSet = getAddAttrSet();
SetText(istartPosition, jTextPaneObj, doc, strReplaceForm, strReplaceTo, attrSet);
}
/**
* 设定添加文本颜色
* @param istartPosition 字符开始检索位置
* @param iType 类型：属性、段位、状态
* @param iPK 设定属性PK
*/
public void SetDelText(int istartPosition, int iType, int iPK, javax.swing.JTextPane jTextPaneObj, Document doc) {
String strReplaceForm = "http://www.my400800.cn";
String strReplaceTo = "http://www.my400800.cn";
//istartPosition = 10;
SimpleAttributeSet attrSet = getDelAttrSet();
SetText(istartPosition, jTextPaneObj, doc, strReplaceForm, strReplaceTo, attrSet);
}
/**
* 设定实际控件上的显示状态
* @param istartPosition 文本检索开始位置
* @param jTextPaneObj 文本存放控件
* @param doc 属性设定样式雷
* @param strReplaceForm 替换前内容（如果该值为空，重该位置直接插入）
* @param strReplaceTo 替换后内容
* @param attrSet
*/
public void SetText(int istartPosition, javax.swing.JTextPane jTextPaneObj, Document doc, String strReplaceForm, String strReplaceTo, SimpleAttributeSet attrSet) {
try {
String str = jTextPaneObj.getText();
int iStart = istartPosition;
if (strReplaceForm != null && strReplaceForm.length() > 0) {
istartPosition = str.replace("\n", "").indexOf(strReplaceForm, istartPosition);
iStart = istartPosition;
int iEnd = iStart + strReplaceTo.length();
String strReplace = str.substring(iStart, iEnd);
System.out.println(strReplace);
doc.remove(iStart, strReplace.replace("\n", "").length());
}
doc.insertString(iStart, strReplaceTo, attrSet);
jTextPane1.setSelectionStart(iStart);
jTextPane1.setSelectionEnd(iStart + 1);
} catch (BadLocationException ex) {
Logger.getLogger(NewJFrame.class.getName()).log(Level.SEVERE, null, ex);
}
}
}