下面是工具类详细代码：
package com.qq986945193.david;
/**
* qq986945193 Project
* ============================================================================
* Copyright (c) 2015-2016 http://www.qq986945193.com All rights reserved.
* ----------------------------------------------------------------------------
* 类名：字符串的一个工具类
* ----------------------------------------------------------------------------
* 功能描述：
* ----------------------------------------------------------------------------
*/
public class StringUtils {
/**
* 去掉String字符串中的.
* @param str
* @return
*/
public static String GetDeleteShort(String str){
String s = str.replace(".", "");
return s;
}
}