package com.casic.missiles.util;

import java.text.SimpleDateFormat;

public class CommonUtil {
    public static final SimpleDateFormat sdf4 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    public static boolean isNumber(String str) {
        return str.matches("-?\\d+(\\.\\d+)?");
    }

    public  static  String DateFormat(String dataString) {

        String strymd = dataString.substring(0, 8);
        String str1 = strymd.substring(0, 4) + "-" + strymd.substring(4, 6) + "-" + strymd.substring(6, 8) + " ";
        String strhms = dataString.substring(8);
        String str2 =strhms.substring(0,2)+":"+strhms.substring(2,4)+":"+strhms.substring(4,6);
        dataString =str1+str2;
        return dataString;
    }
}