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摘自精通软件性能测试与Loadrunner性能实战。
1、初始化一个int类型变量,前面定义人数count、salary工资,计算一个总和total
#define COUNT 100
#define SALARY 4000
Action()
{
int total;
total = COUNT * SALARY;
lr_output_message("100人合计薪资支出为:%d",total);
return 0 ;
}
2、初始化int变量,随机数1-3之间的数来随机访问下面的网址:还可以使用if(条件判断){}else if(){}else{}:
Action()
{
int randomnumber;
randomnumber = rand() % 3+1;
switch (randomnumber) {
case 1:
{
lr_rendezvous("访问百度集合点");
web_url("www.baidu.com",
"URL=http://www.baidu.com/",
"Resource=0",
"RecContentType=text/html",
"Referer=",
"Snapshot=t12.inf",
"Mode=HTML",
EXTRARES,
"Url=http://s1.bdstatic.com/r/www/img/i-1.0.0.png", ENDITEM,
"Url=/favicon.ico", "Referer=", ENDITEM,
"Url=http://s1.bdstatic.com/r/www/img/bg-1.0.0.gif", ENDITEM,
LAST);
return 0;
}
case 2:
{
lr_rendezvous("访问谷歌集合点");
web_url("www.google.com.hk",
"URL=http://www.google.com.hk/",
"Resource=0",
"RecContentType=text/html",
"Referer=",
"Snapshot=t10.inf",
"Mode=HTML",
EXTRARES,
"Url=http://ssl.gstatic.com/gb/images/b_8d5afc09.png", ENDITEM,
"Url=/images/srpr/logo3w.png", ENDITEM,
"Url=/extern_chrome/749e1ce3c3e5f171.js", ENDITEM,
"Url=/images/swxa.gif", ENDITEM,
"Url=/favicon.ico", "Referer=", ENDITEM,
"Url=http://ssl.gstatic.com/gb/js/sem_0e1289051da7e9e3697c2025d9490acd.js", ENDITEM,
"Url=http://www.google.com/textinputassistant/tia.png", ENDITEM,
LAST);
return 0;
}
case 3:
{
lr_rendezvous("访问有道集合点");
web_url("www.youdao.com",
"URL=http://www.youdao.com/",
"Resource=0",
"RecContentType=text/html",
"Referer=",
"Snapshot=t7.inf",
"Mode=HTML",
EXTRARES,
"Url=http://shared.ydstatic.com/oxo/p/pic.gif", ENDITEM,
"Url=http://shared.ydstatic.com/oxo/p/logo.png?1", ENDITEM,
"Url=http://shared.ydstatic.com/oxo/p/nv_line.gif", ENDITEM,
"Url=http://shared.ydstatic.com/r/2.0/p/pic.gif", ENDITEM,
LAST);
return 0;
}
}
}
3、读取文件来进行测试;loadrunner默认支持C语言,还支持其他,例如:Java User、VB User、VB script User 、Javascript User、Mmicrosoft .NET等
Action()
{
int count,total=0;
char buffer [50];
long file_stream;
char * filename = "C:\\test.txt"; //读取文件的存放位置
//判断是否可以读取文件
if((file_stream =fopen(filename,"r"))==NULL)
{
lr_error_message("不能打开%s文件!",filename);
return -1;
}
while(!feof(file_stream))
{
count=fread(buffer,sizeof(char),50,file_stream); //从文件中读取50个字符
total=total+count; //字符个数计数
if(total>=50)
{
fclose(file_stream); //关闭文件
lr_output_message("文件的前50字符:%s",buffer);
break; //退出循环
}
}
return 0;
}
4、函数与主函数之间的调用:
void SsyHello() //打招呼函数
{
lr_output_message("hello %s",lr_get_host_name());
}
int GetBigger(int x,int y) //得到最大值函数
{
if (x>y) {
return x;
}
else{
return y;
}
}
Action(){
int x=10,y=20, result; //声明变量
SsyHello(); //无形参,无返回值函数
result = GetBigger(x,y);
lr_output_message("GetBigger(%d,%d)=%d",x,y,result); //带形参,带返回值函数
return 0;
}
5、指针
Action(){
int score[5]={100,98,78,55}; //一维数组
int *p=score; //一维数组指针
int sixnum[2][3]={{1,2,3},{4,5,6}}; //二维数组
int (*p1)[3]; //二维数组指针
int i,j; //定义两个变量
for (i=0;i<=4;i++) {
lr_output_message("score[%d]=%d",i,score[i]); //以下标形式标识数组
lr_output_message("*(p++)=%d",*(p++)); //以指针方式输出数组
}
lr_output_message("--------------------------");
p=score;
for (i=0;i<=4;i++) {
lr_output_message("score[%d]=%d",i,score[i]); //以下标形式标识数组
lr_output_message("*(p+%d)=%d",*(p+i)); //以指针方式输出数组
}
lr_output_message("--------------------------");
p1=sixnum;
for (i=0;i<=1;i++) {
for (j=0;j<=2;j++) {
lr_output_message("sixnum[%d][%d]=%d",i,j,sixnum[i][j]); //以下标形式标识数组
lr_output_message("*(*(p1+%d)+%d)=%d",*(*(p1+i)+j)); //以指针方式输出数组
}
}
return 0;
}