大家好，又见面了，我是全栈君。
Eclipse 改动凝视的 date time 日期时间格式，即${date}变量格式
找到eclipse安装文件夹以下的plugins文件夹，搜索 org.eclipse.text ，找到一个jar包。
比如我找到的jar包为：org.eclipse.text_3.5.300.v20130515-1451.jar
然后打开它，找到这个类： org.eclipse.jface.text.templates.GlobalTemplateVariables
我们重写这个类即可了。
（可反编译。也能够找到源代码，源代码下载地址为：http://git.eclipse.org/c/platform/eclipse.platform.text.git。下载zip包） PS：假设嫌下载源代码包麻烦。我这里贴出这个文件的源代码，能够直接用（注：这个类非常easy。无多少依赖。全部版本号通用，无需操心jar包的版本号问题）
/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Sebastian Davids: sdavids@gmx.de - see bug 25376
*******************************************************************************/
package org.eclipse.jface.text.templates;
import com.ibm.icu.text.DateFormat;
import com.ibm.icu.util.Calendar;
/**
* Global variables which are available in any context.
* <p>
* Clients may instantiate the classes contained within this class.
* </p>
*
* @since 3.0
*/
public class GlobalTemplateVariables {
/** The type of the selection variables. */
public static final String SELECTION= "selection"; //$NON-NLS-1$
/**
* The cursor variable determines the cursor placement after template edition.
*/
public static class Cursor extends SimpleTemplateVariableResolver {
/** Name of the cursor variable, value= {@value} */
public static final String NAME= "cursor"; //$NON-NLS-1$
/**
* Creates a new cursor variable
*/
public Cursor() {
super(NAME, TextTemplateMessages.getString("GlobalVariables.variable.description.cursor")); //$NON-NLS-1$
setEvaluationString(""); //$NON-NLS-1$
}
}
/**
* The word selection variable determines templates that work on a full
* lines selection.
*/
public static class WordSelection extends SimpleTemplateVariableResolver {
/** Name of the word selection variable, value= {@value} */
public static final String NAME= "word_selection"; //$NON-NLS-1$
/**
* Creates a new word selection variable
*/
public WordSelection() {
super(NAME, TextTemplateMessages.getString("GlobalVariables.variable.description.selectedWord")); //$NON-NLS-1$
}
protected String resolve(TemplateContext context) {
String selection= context.getVariable(SELECTION);
if (selection == null)
return ""; //$NON-NLS-1$
return selection;
}
}
/**
* The line selection variable determines templates that work on selected
* lines.
*/
public static class LineSelection extends SimpleTemplateVariableResolver {
/** Name of the line selection variable, value= {@value} */
public static final String NAME= "line_selection"; //$NON-NLS-1$
/**
* Creates a new line selection variable
*/
public LineSelection() {
super(NAME, TextTemplateMessages.getString("GlobalVariables.variable.description.selectedLines")); //$NON-NLS-1$
}
protected String resolve(TemplateContext context) {
String selection= context.getVariable(SELECTION);
if (selection == null)
return ""; //$NON-NLS-1$
return selection;
}
}
/**
* The dollar variable inserts an escaped dollar symbol.
*/
public static class Dollar extends SimpleTemplateVariableResolver {
/**
* Creates a new dollar variable
*/
public Dollar() {
super("dollar", TextTemplateMessages.getString("GlobalVariables.variable.description.dollar")); //$NON-NLS-1$ //$NON-NLS-2$
setEvaluationString("$"); //$NON-NLS-1$
}
}
/**
* The date variable evaluates to the current date.
*/
public static class Date extends SimpleTemplateVariableResolver {
/**
* Creates a new date variable
*/
public Date() {
super("date", TextTemplateMessages.getString("GlobalVariables.variable.description.date")); //$NON-NLS-1$ //$NON-NLS-2$
}
protected String resolve(TemplateContext context) {
return DateFormat.getDateInstance().format(new java.util.Date());
}
}
/**
* The year variable evaluates to the current year.
*/
public static class Year extends SimpleTemplateVariableResolver {
/**
* Creates a new year variable
*/
public Year() {
super("year", TextTemplateMessages.getString("GlobalVariables.variable.description.year")); //$NON-NLS-1$ //$NON-NLS-2$
}
protected String resolve(TemplateContext context) {
return Integer.toString(Calendar.getInstance().get(Calendar.YEAR));
}
}
/**
* The time variable evaluates to the current time.
*/
public static class Time extends SimpleTemplateVariableResolver {
/**
* Creates a new time variable
*/
public Time() {
super("time", TextTemplateMessages.getString("GlobalVariables.variable.description.time")); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* {@inheritDoc}
*/
protected String resolve(TemplateContext context) {
return DateFormat.getTimeInstance().format(new java.util.Date());
}
}
/**
* The user variable evaluates to the current user.
*/
public static class User extends SimpleTemplateVariableResolver {
/**
* Creates a new user name variable
*/
public User() {
super("user", TextTemplateMessages.getString("GlobalVariables.variable.description.user")); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* {@inheritDoc}
*/
protected String resolve(TemplateContext context) {
return System.getProperty("user.name"); //$NON-NLS-1$
}
}
}
自行拿去改动即可了。改一下Date Time Year即可了，比如。我改动的结果例如以下：
/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Sebastian Davids: sdavids@gmx.de - see bug 25376
*******************************************************************************/
package org.eclipse.jface.text.templates;
import java.text.SimpleDateFormat;
import java.util.Calendar;
/**
* Global variables which are available in any context.
* <p>
* Clients may instantiate the classes contained within this class.
* </p>
*
* @since 3.0
*/
public class GlobalTemplateVariables {
/** The type of the selection variables. */
public static final String SELECTION= "selection"; //$NON-NLS-1$
/**
* The cursor variable determines the cursor placement after template edition.
*/
public static class Cursor extends SimpleTemplateVariableResolver {
/** Name of the cursor variable, value= {@value} */
public static final String NAME= "cursor"; //$NON-NLS-1$
/**
* Creates a new cursor variable
*/
public Cursor() {
super(NAME, TextTemplateMessages.getString("GlobalVariables.variable.description.cursor")); //$NON-NLS-1$
setEvaluationString(""); //$NON-NLS-1$
}
}
/**
* The word selection variable determines templates that work on a full
* lines selection.
*/
public static class WordSelection extends SimpleTemplateVariableResolver {
/** Name of the word selection variable, value= {@value} */
public static final String NAME= "word_selection"; //$NON-NLS-1$
/**
* Creates a new word selection variable
*/
public WordSelection() {
super(NAME, TextTemplateMessages.getString("GlobalVariables.variable.description.selectedWord")); //$NON-NLS-1$
}
protected String resolve(TemplateContext context) {
String selection= context.getVariable(SELECTION);
if (selection == null)
return ""; //$NON-NLS-1$
return selection;
}
}
/**
* The line selection variable determines templates that work on selected
* lines.
*/
public static class LineSelection extends SimpleTemplateVariableResolver {
/** Name of the line selection variable, value= {@value} */
public static final String NAME= "line_selection"; //$NON-NLS-1$
/**
* Creates a new line selection variable
*/
public LineSelection() {
super(NAME, TextTemplateMessages.getString("GlobalVariables.variable.description.selectedLines")); //$NON-NLS-1$
}
protected String resolve(TemplateContext context) {
String selection= context.getVariable(SELECTION);
if (selection == null)
return ""; //$NON-NLS-1$
return selection;
}
}
/**
* The dollar variable inserts an escaped dollar symbol.
*/
public static class Dollar extends SimpleTemplateVariableResolver {
/**
* Creates a new dollar variable
*/
public Dollar() {
super("dollar", TextTemplateMessages.getString("GlobalVariables.variable.description.dollar")); //$NON-NLS-1$ //$NON-NLS-2$
setEvaluationString("$"); //$NON-NLS-1$
}
}
/**
* The date variable evaluates to the current date.
*/
public static class Date extends SimpleTemplateVariableResolver {
/**
* Creates a new date variable
*/
public Date() {
super("date", TextTemplateMessages.getString("GlobalVariables.variable.description.date")); //$NON-NLS-1$ //$NON-NLS-2$
}
protected String resolve(TemplateContext context) {
// return DateFormat.getDateInstance().format(new java.util.Date());
final SimpleDateFormat df = new SimpleDateFormat(TextTemplateMessages.getString("GlobalVariables.variable.format.date"));
return df.format(new java.util.Date());
}
}
/**
* The year variable evaluates to the current year.
*/
public static class Year extends SimpleTemplateVariableResolver {
/**
* Creates a new year variable
*/
public Year() {
super("year", TextTemplateMessages.getString("GlobalVariables.variable.description.year")); //$NON-NLS-1$ //$NON-NLS-2$
}
protected String resolve(TemplateContext context) {
// return Integer.toString(Calendar.getInstance().get(Calendar.YEAR));
return Integer.toString(Calendar.getInstance().get(Calendar.YEAR));
}
}
/**
* The time variable evaluates to the current time.
*/
public static class Time extends SimpleTemplateVariableResolver {
/**
* Creates a new time variable
*/
public Time() {
super("time", TextTemplateMessages.getString("GlobalVariables.variable.description.time")); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* {@inheritDoc}
*/
protected String resolve(TemplateContext context) {
final SimpleDateFormat df = new SimpleDateFormat(TextTemplateMessages.getString("GlobalVariables.variable.format.time"));
return df.format(new java.util.Date());
//return DateFormat.getTimeInstance().format(new java.util.Date());
}
}
/**
* The user variable evaluates to the current user.
*/
public static class User extends SimpleTemplateVariableResolver {
/**
* Creates a new user name variable
*/
public User() {
super("user", TextTemplateMessages.getString("GlobalVariables.variable.description.user")); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* {@inheritDoc}
*/
protected String resolve(TemplateContext context) {
return System.getProperty("user.name"); //$NON-NLS-1$
}
}
}
我改成了使用
import java.text.SimpleDateFormat;
import java.util.Calendar;
而且从properties文件里读取format格式，能够借鉴。
我提供编译好的class文件供大家下载（下载以下的图片。把jpg后缀 改成rar后缀。然后打开）。替换到原文件就可以。
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