JAVA学习笔记1--字符串处理类

package com.tools;

import java.text.SimpleDateFormat;
import java.util.Date;

public class DoString{
	/**转换字符串中包含的HTML中的特殊字符的方法*/
	public static String HTMLChange(String source){
		String changeStr = "";
		changeStr = source.replaceAll("&","&");
		changeStr = changeStr.replaceAll(" "," ");
		changeStr = changeStr.replaceAll("<","&lt;");
		changeStr = changeStr.replaceAll(">","&gt;");
		changeStr = changeStr.replaceAll("\r\n","<br>");
		return changeStr;
	}
	
	/**转换日期数据为指定格式的字符串的方法*/
	public static String dateTimeChange(Date source){
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		String changeTime = format.format(source);
		return changeTime;
	}
}