中文的年份更改为阿拉伯数字年份

[java]代码库
package com.ly.changenum;
 
/**
* 把中文数字转换为阿拉伯数字，把阿拉伯数字转换为中文数字
* 
* @author zhaigy
* @date 2010-2-20
*/
final public class Changenum {
             
     
        public static void main(String[] args) {
             
            String  a   =cnNumToInt("二零〇一年五月一日");
            System.err.println(a);
        }
     
static public String cnNumToInt(String s) {
   
 String year  = s.substring(0,s.indexOf("年"));
 String  month = s.substring(s.indexOf("年")+1,s.indexOf("月"));
 String day  = s.substring(s.indexOf("月")+1,s.indexOf("日"));
     
    String  year_int =changgedate(year);
    String month_int =changgedate(month);
    String day_int = changgedate(day);
  
 return  ""+year_int+month_int+day_int;
}
 
public static String changgedate(String strs){
            String result="";
            boolean  flag =false;
            if(strs.startsWith("十")){
                flag=true;
            }
            int  size  =strs.length();
             
             
             
            for(int i =1, j=0;i<=strs.length();i++,j++){
                        String str = strs.substring(j,i);
                switch (str) {
                case "〇":
                    result+=0;
                    break;
                case "零":
                    result+=0;
                    break;
                case "一":
                    result+=1;
                    break;
                case "二":
                    result+=2;
                    break;
                case "三":
                    result+=3;
                    break;
                case "四":
                    result+=4;
                    break;
                case "五":
                    result+=5;
                    break;
                case "六":
                    result+=6;
                    break;
                case "七":
                    result+=7;
                    break;
                case "八":
                    result+=8;
                    break;
                case "九":
                    result+=9;
                    break;
                case "十":
                    if(flag&&size==1){
                        result+=10;
                        break;
                    }
                    if(!flag&&size==2){
                        result+=0;
                        break;
                    }
                    if(size==3){
                        break;
                    }
                    else{
                        result+=1;
                        break;
                    }
             
                }
            }
            if(!flag&&size==1){
                return  "0"+Integer.parseInt(result);
            }
            else
                return Integer.parseInt(result)+"";
    }
 
  
}
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