loadrunner--生成随机字符串

　char* nickname;
　nickname=(char*)GetRandChar("Mname",2);
　lr_save_string(nickname,"nickname");

　lr_output_message(lr_eval_string("nickname")

char* GetRandChar(char* headStr,int num)
{
    int name_num,rand_num,j;
    char StrTable[]="abcdefghijklmnopqrstuvwsyz";
    char i_name[20]="";
    name_num=num; 
       //将两个char类型连接，结果放在i_name中
    strcat(i_name,headStr);
    for (j=1;j<=name_num;j++)
    {
        rand_num=rand()% 10;//取0-10的随机数，其实这里可以改为and_num=rand()% 24，0—24的随机数

//从StrTable的第rand_num+1个字符开始往后的num个字符添加到i_name的结尾处 strncat(i_name,StrTable+rand_num,num); } strcat(i_name,lr_eval_string("{group}")); strcat(i_name,lr_eval_string("{vuser}")); strncat(i_name,lr_eval_string("{time}")+2, 4); strncat(i_name,lr_eval_string("{time}")+7, 3); strcat(i_name,"\0"); return i_name; }