changamount.java

医药供应链管理系统

package com.captainli.util;

import javax.servlet.jsp.tagext.TryCatchFinally;

/**
 * 金额小写转换大写
 * @author CaptainLi
 *
 */
public class ChangAmount {
	public String numToChinese(String input){		
	    String s1 = "零壹贰叁肆伍陆柒捌玖";
	    String s4 = "分角整元拾佰任万拾佰任亿拾佰任";
	    String temp = "";
	    String result = "";
	    if(input == null){
	    	return "输入字串不是数字串只能包括以下字符('0'-'9')，输入字串最大只能精确到仟亿，小数点只能两位！";
	    } 
        temp = input.trim();
        float f;
        try {
        	f = Float.parseFloat(temp);
		} catch (Exception e) {
			// TODO: handle exception
			return "输入字串不是数字串只能包括以下字符('0'-'9')，输入字串最大只能精确到仟亿，小数点只能两位！";
		}
	    int len = 0;
	    if(temp.indexOf(".") == -1){
	    	len = temp.length();
	    }else{
	    	len = temp.indexOf(".");
	    } 
	    if(len > s4.length() - 3){
	    	return "输入字串最大只能精确到仟亿，小数点只能两位！";
	    }	        
	    int n1,n2 = 0;
	    String num = "";
	    String unit = "";
	    for(int i = 0;i < temp.length();i++){
	    	if(i > len+2){
	    		break;	         
	    	}	         
	        if(i == len){
	        	continue;
	        }
	        n1 = Integer.parseInt(String.valueOf(temp.charAt(i)));
	        num = s1.substring(n1,n1 + 1);
	        n1 = len-i + 2;
	        unit = s4.substring(n1,n1 + 1);
	        result = result.concat(num).concat(unit);
	    }
	    if((len == temp.length()) || (len == temp.length() - 1)){
	    	result=result.concat("整");
	    }
	    if(len == temp.length() - 2){
	    	result=result.concat("零分");
	    }
	    return result;
	}
}