mesclient-op060-P2-CMT-610/src/com/mes/ui/Test.java

package com.mes.ui;

public class Test {
    public static void main(String[] args) {
        String sn = "LS020200011320241118025";
        String str = checkSnType(sn);
        System.out.println(str);
    }

    private static String checkSnType(String sn){
        String str = sn.substring(9,12);
        if(str.equals("113")){
            return "MX11-2";
        }else if(str.equals("119")){
            return "MX11-2S";
        }else{
            return "";
        }
    }
}