cn.eppdev.jee.utils

Class RandomUtils

java.lang.Object

cn.eppdev.jee.utils.RandomUtils

public class RandomUtils
extends Object

Author:

fan.hao

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALL_CHAR
static String	LOWER_CHAR
static String	NUMBER_CHAR
static Random	RANDOM
static String	SYMBOL_CHAR
static int	TPPE_NUMBER_ALL_CHAR
static int	TYPE_NUMBER
static int	TYPE_NUMBER_LOWER_CHAR
static int	TYPE_NUMBER_LOWER_UPPER_CHAR
static String	UPPER_CHAR

Constructor Summary

Constructors

Constructor and Description
RandomUtils()

Method Summary

Modifier and Type	Method and Description
static int	getRandomInt(int max) 随机生成0-max之间整数
static int	getRandomInt(int max, int min) 随机生成min-max之间整数
static String	getRandomStr(int length, int type) 生成随机字符串

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NUMBER_CHAR

public static String NUMBER_CHAR

LOWER_CHAR

public static String LOWER_CHAR

UPPER_CHAR

public static String UPPER_CHAR

SYMBOL_CHAR

public static String SYMBOL_CHAR

ALL_CHAR

public static String ALL_CHAR

RANDOM

public static Random RANDOM

TYPE_NUMBER

public static int TYPE_NUMBER

TYPE_NUMBER_LOWER_CHAR

public static int TYPE_NUMBER_LOWER_CHAR

TYPE_NUMBER_LOWER_UPPER_CHAR

public static int TYPE_NUMBER_LOWER_UPPER_CHAR

TPPE_NUMBER_ALL_CHAR

public static int TPPE_NUMBER_ALL_CHAR

Constructor Detail

RandomUtils

public RandomUtils()

Method Detail

getRandomStr

public static String getRandomStr(int length,
                                  int type)

生成随机字符串

Parameters:

length - 字符串长度

type - 类型：
1: 仅数字 2: 数字+字母 3: 数字+大小写字母 4：数字+大小写字母+特殊字符

Returns:

随机数字

getRandomInt

public static int getRandomInt(int max)

随机生成0-max之间整数

Parameters:

max -

Returns:

getRandomInt

public static int getRandomInt(int max,
                               int min)

随机生成min-max之间整数

Parameters:

max -

min -

Returns: