[java]去零（不带小数点）

/**
	 * 功能说明
	 * 去零(不带小数点)
	 * @param oldStr   原字符串
	 * @param LR       l-去前导零  r-去后导零  lr-去前后零
	 * @throws IOException
	 * 

	 * 例如：

	 * 使用例子说明
	 * String a = Sundry.trimZero("0000012345000","l")
	 * String b = Sundry.trimZero("0000012345000","lr")
	 * 
	 */
	public static String trimZero(String oldStr,String LR)throws IOException{
		String tmpStr1="";
		if(LR.equals("l") || LR.equals("L")){
			while(true){
				if(oldStr.length()==1)
					break;
				tmpStr1=oldStr.substring(0, 1);
				if (!tmpStr1.equals("0"))
					break;
				oldStr=oldStr.substring(1, oldStr.length());
			}
		}

		if(LR.equals("r") || LR.equals("R")){
			while(true){
				if(oldStr.length()==1)
					break;
				tmpStr1=oldStr.substring(oldStr.length()-1, oldStr.length());
				if (!tmpStr1.equals("0"))
					break;
				oldStr=oldStr.substring(0, oldStr.length()-1);
			}
		}		
		
		if(LR.equals("lr") || LR.equals("LR")){
			oldStr=trimZero(oldStr,"l");
			oldStr=trimZero(oldStr,"r");
		}
		return oldStr;
	}