随机字符串

随机字符串函数

 1 char* GetRandString(char vCode[],int number)
 2 {
 3    char* pvCode = vCode;
 4      strcpy(vCode,"");
 5    char verificationValue[64] = "00123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 6    char singleCode[2];
 7      memset(singleCode,0,2);    
 8      srand((unsigned int)time((time_t *)NULL));
 9    for(int i=1; i <= number; ++i)
10     {
11         sprintf(singleCode,"%c",verificationValue[(rand()%62)+1]);
12         strcat(vCode,singleCode);    
13     }
14    return pvCode;
15 }