com.foxinmy.weixin4j.util
Class RandomUtil

java.lang.Object
  extended by com.foxinmy.weixin4j.util.RandomUtil

public class RandomUtil
extends Object

随机码工具类

Since:
JDK 1.6
Author:
jinyu(foxinmy@gmail.com)
See Also:

Constructor Summary
RandomUtil()
           
 
Method Summary
static String generateLowerString(int length)
          返回一个定长的随机纯大写字母字符串(只包含大小写字母)
static String generateString(int length)
          返回一个定长的随机字符串(包含数字和大小写字母)
static String generateStringByLetterCharr(int length)
          返回一个定长的随机纯字母字符串(只包含大小写字母)
static String generateStringByNumberChar(int length)
          返回一个定长的随机纯数字字符串(只包含数字)
static String generateUpperString(int length)
          返回一个定长的随机纯小写字母字符串(只包含大小写字母)
static String getUUID()
          随机获取UUID字符串(无中划线)
static void main(String[] args)
           
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

RandomUtil

public RandomUtil()
Method Detail

generateString

public static String generateString(int length)
返回一个定长的随机字符串(包含数字和大小写字母)

Parameters:
length - 随机数的长度
Returns:

generateStringByNumberChar

public static String generateStringByNumberChar(int length)
返回一个定长的随机纯数字字符串(只包含数字)

Parameters:
length - 随机数的长度
Returns:

generateStringByLetterCharr

public static String generateStringByLetterCharr(int length)
返回一个定长的随机纯字母字符串(只包含大小写字母)

Parameters:
length - 随机数的长度
Returns:

generateLowerString

public static String generateLowerString(int length)
返回一个定长的随机纯大写字母字符串(只包含大小写字母)

Parameters:
length - 随机数的长度
Returns:

generateUpperString

public static String generateUpperString(int length)
返回一个定长的随机纯小写字母字符串(只包含大小写字母)

Parameters:
length - 随机数的长度
Returns:

getUUID

public static String getUUID()
随机获取UUID字符串(无中划线)

Returns:
UUID字符串

main

public static void main(String[] args)


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