Loadrunner -- ランダムな文字列を生成します

worklist1()
{

    int itera_num,rand_num,i;
        char i_name[24]="";
        char StrTable[]="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
 
 		//随机取九位数的字符串
        for (i=0;i<=8;i++){
                rand_num=rand()%62;
                strncat(i_name,StrTable+rand_num,1);
        }
 
        lr_save_string(i_name,"i_name_value");
 
        lr_log_message("i_name== %s", i_name);
 
 
        //i_name_value即为可传入参数
        lr_log_message("i_name_value== %s", lr_eval_string("{i_name_value}"));


        lr_think_time(1);


   web_reg_find("Fail=NotFound",
                "Search=Body",
                "SaveCount=para_count",
                "Text=200",
                LAST);
   
        web_custom_request("getdispatch",
          "URL=https://xxxyunming.com.cn/api/works/list",     //请求的目的地址
          "Method=POST",      //POST请求
          "Resource=0",
                  "Referer=",
          "mode=HTTP",
          "EncType=application/json",  //返回JSON格式
         "Body= {\"timesTamp\": {NewParam},\"unionid\": \"{i_name_value}\",\"competitionId\": 1,\"pageNo\": 1,\"pageSize\": 20}",         //提交JSON请求
     LAST);

        lr_log_message("body== %s", lr_eval_string("{i_name_value}"));

        if (atoi(lr_eval_string("{para_count}"))>0) {
                lr_output_message("Pass!");
        }else{
                lr_output_message("Failed!");
        }
        return 0;
}