You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
637 B
31 lines
637 B
package com.hfkj.common.utils;
|
|
|
|
import java.util.Random;
|
|
|
|
/**
|
|
*
|
|
* @className: RandomUtils
|
|
* @author: HuRui
|
|
* @date: 2024/4/24
|
|
**/
|
|
public class RandomUtils {
|
|
|
|
/**
|
|
* 生成随机数
|
|
* @param length 长度
|
|
* @param zero 是否包含零
|
|
* @return
|
|
*/
|
|
public static String number(int length, boolean zero) {
|
|
String sl = "123456789";
|
|
if (zero) {
|
|
sl += "0";
|
|
}
|
|
StringBuilder sb = new StringBuilder();
|
|
for(int i = 0 ; i < length ; i ++){
|
|
sb.append(sl.charAt(new Random().nextInt(sl.length())));
|
|
}
|
|
return sb.toString();
|
|
}
|
|
|
|
}
|
|
|