utils package

main--utils--ResultVOUtil.java

package com.tkft.sell.utils;

import com.tkft.sell.VO.ResultVO;

/**
 * @Auther xinyuan
 * @Date 11/17/18 8:33 PM
 **/
public class ResultVOUtil {
    public static ResultVO success(Object object){
        ResultVO resultVO = new ResultVO();
        resultVO.setData(object);
        resultVO.setCode(0);
        resultVO.setMsg("success");
        return resultVO;
    }

    public static ResultVO success(){
        return success(null);
    }

    public static ResultVO error(Integer code, String msg){
        ResultVO resultVO = new ResultVO();
        resultVO.setCode(code);
        resultVO.setMsg(msg);
        return resultVO;
    }
}

生成随机数

main--utils--keyUtil.java

package com.tkft.sell.utils;

import java.util.Random;

/**
 * @Auther xinyuan
 * @Date 11/18/18 7:38 PM
 **/
public class KeyUtil {
    //生成唯一主键 时间+随机数
    public static synchronized String genUniqueKey(){
        Random random = new Random();
        Integer number = random.nextInt(900000) + 100000;
        return System.currentTimeMillis()+String.valueOf(number);
    }
}