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872天前/** |
* 动态生成n位随机字符数组 |
* |
* @author 苏持恒 |
*/ |
public class ShortMessageCodeUntil |
{ |
/** |
* 随机生成4位数字字符数组 |
* |
* @return rands |
*/ |
public static char[] generateCheckCode() |
{ |
String chars = "0123456789"; |
char[] rands = new char[4]; |
for (int i = 0; i < 4; i++) |
{ |
int rand = (int) (Math.random() * 10); |
rands[i] = chars.charAt (rand); |
} |
return rands; |
} |
/** |
* 随机生成6位数字字符数组 |
* |
* @return rands |
*/ |
public static char[] generateCheckPass() |
{ |
String chars = "0123456789"; |
char[] rands = new char[6]; |
for (int i = 0; i < 6; i++) |
{ |
int rand = (int) (Math.random() * 10); |
rands[i] = chars.charAt (rand); |
} |
return rands; |
} |
} |
