LoadRunner协议推荐器
我们来认识一下如何使用强大的LoadRunner协议推荐器。
首先LoadRunner提供了一个典型的工作流，这个工作流可以利用协议推荐器来找到可以录制我们的应用程序最适合的协议，该工作流如下：
1)启动协议推荐器。
进入LoadRunner软件首页，选择文件>协议推荐器>分析应用程序，弹出协议推荐器对话框；
2)运行典型的逻辑业务流程；
3)保存运行结果；
4)选择一个协议并且创建一个新虚拟用户的脚本；
5)进行优化、调试，并且验证回放；
6)如果不能成功回放，选择另一个协议并且重复上述的步骤。
我们来具体实践一下如何使用这个便捷的LoadRunner协议推荐器。打开LoadRunner软件，选择菜单项Create/Edit Script，打开首页，选择“?File > Protocol Advisor > Analyze Application”，在弹出的协议推荐器对话框中填写应用程序类型、程序安装位置、工作目录，点击OK按钮。
选择合适协议
我们看到协议推荐结果：
Application name: C:\Users\Administrator\Desktop\软件\***.exe\
Program arguments:
We detected the following protocols in your business process:
Web (HTTP/HTML)
通过推荐，我们准确地得到了LoadRunner应该选择Web（HTTP/HTML）协议。
创建脚本
现在我们开始创建脚本。点击New script按钮，录制应用程序业务逻辑后，得到的vuser_init和vuser_end。
vuser_init
vuser_init部分：
vuser_init()
{
//访问登录接口，方法POST
web_submit_data("login",
"Action=http://***/login",
"Method=POST",
"EncType=multipart/form-data",
"RecContentType=application/json",
"Referer=",
"Snapshot=t1.inf",
"Mode=HTML",
ITEMDATA,
//填写登录名、密码，type=2代表在客户端上登录
"Name=username", "Value=user", ENDITEM,
"Name=password", "Value=pwd", ENDITEM,
"Name=type", "Value=2", ENDITEM,
"Name=api_os_code", "Value=F0:BF:97:E2:C9:B3", ENDITEM,
"Name=api_os_model", "Value=6.1.7601.65536", ENDITEM,
"Name=api_version_code", "Value=Win32NT", ENDITEM,
EXTRARES,
"Url=getauth?uid=&tr_id=&oauth_token=817f64a82c54f47ad974311cb9308baa&oauth_token_secret=12770d793561a92c79628d2104d653cf", "Referer=", ENDITEM,
LAST);
//登录用户token1验证
web_submit_data("checktoken",
"Action=http://***/users/checktoken",
"Method=POST",
"EncType=multipart/form-data",
"RecContentType=application/json",
"Referer=",
"Snapshot=t2.inf",
"Mode=HTML",
ITEMDATA,
"Name=uid", "Value=user", ENDITEM,
"Name=tr_id", "Value=trid", ENDITEM,
"Name=oauth_token", "Value=817f64a82c54f47ad974311cb9308baa", ENDITEM,
"Name=oauth_token_secret", "Value=12770d793561a92c79628d2104d653cf", ENDITEM,
"Name=type", "Value=2", ENDITEM,
EXTRARES,
"Url=../cases/mylock?uid=&tr_id=&oauth_token=817f64a82c54f47ad974311cb9308baa&oauth_token_secret=12770d793561a92c79628d2104d653cf&type=2&page=1&limit=30&status=0&caseid=0&case_type=0", "Referer=", ENDITEM,
LAST);
//登录用户token2验证
web_submit_data("checktoken_2",
"Action=http://***/users/checktoken",
"Method=POST",
"EncType=multipart/form-data",
"RecContentType=application/json",
"Referer=",
"Snapshot=t3.inf",
"Mode=HTML",
ITEMDATA,
"Name=uid", "Value=userid", ENDITEM,
"Name=tr_id", "Value=trid", ENDITEM,
"Name=oauth_token", "Value=817f64a82c54f47ad974311cb9308baa", ENDITEM,
"Name=oauth_token_secret", "Value=12770d793561a92c79628d2104d653cf", ENDITEM,
"Name=type", "Value=2", ENDITEM,
EXTRARES,
"Url=../chronic/mbpatpist?uid=&tr_id=&oauth_token=817f64a82c54f47ad974311cb9308baa&oauth_token_secret=12770d793561a92c79628d2104d653cf& type=2&page=1&limit=30", "Referer=", ENDITEM,
LAST);
//登录用户token3验证
web_submit_data("checktoken_3",
"Action=http://***/users/checktoken",
"Method=POST",
"EncType=multipart/form-data",
"RecContentType=application/json",
"Referer=",
"Snapshot=t4.inf",
"Mode=HTML",
ITEMDATA,
"Name=uid", "Value=userid", ENDITEM,
"Url=../devices/getlist?uid=&tr_id=&oauth_token=817f64a82c54f47ad974311cb9308baa&oauth_token_secret=12770d793561a92c79628d2104d653cf&type=2&page=1&limit=30", "Referer=", ENDITEM,
LAST);
//登录用户token4验证
web_submit_data("checktoken_4",
"Action=http://***/users/checktoken",
"Method=POST",
"EncType=multipart/form-data",
"RecContentType=application/json",
"Referer=",
"Snapshot=t5.inf",
"Mode=HTML",
ITEMDATA,
"Name=uid", "Value=userid", ENDITEM,
"Name=tr_id", "Value=trid", ENDITEM,
"Name=oauth_token", "Value=817f64a82c54f47ad974311cb9308baa", ENDITEM,
"Name=oauth_token_secret", "Value=12770d793561a92c79628d2104d653cf", ENDITEM,
"Name=type", "Value=2", ENDITEM,
EXTRARES,
"Url=../getlist?uid=&tr_id=&oauth_token=817f64a82c54f47ad974311cb9308baa&oauth_token_secret=12770d793561a92c79628d2104d653cf&type=2&page=1&limit=30", "Referer=", ENDITEM,
LAST);
//登录用户token5验证
web_submit_data("checktoken_5",
"Action=http://***/users/checktoken",
"Method=POST",
"EncType=multipart/form-data",
"RecContentType=application/json",
"Referer=",
"Snapshot=t6.inf",
"Mode=HTML",
ITEMDATA,
"Name=uid", "Value=", ENDITEM,
"Name=tr_id", "Value=", ENDITEM,
"Name=oauth_token", "Value=817f64a82c54f47ad974311cb9308baa", ENDITEM,
"Name=oauth_token_secret", "Value=12770d793561a92c79628d2104d653cf", ENDITEM,
"Name=type", "Value=2", ENDITEM,
EXTRARES,
"Url=../getlist?uid=&tr_id=&oauth_token=817f64a82c54f47ad974311cb9308baa&oauth_token_secret=12770d793561a92c79628d2104d653cf&type=2&page=1&limit=30", "Referer=", ENDITEM,
LAST);
return 0;
}
vuser_end
vuser_end部分：
vuser_end()
{
lr_think_time(8);
web_submit_data("logout",
"Action=http://***/users/logout",
"Method=POST",
"EncType=multipart/form-data",
"RecContentType=application/json",
"Referer=",
"Snapshot=t7.inf",
"Mode=HTML",
ITEMDATA,
"Name=uid", "Value=uid", ENDITEM,
"Name=tr_id", "Value=trid", ENDITEM,
"Name=oauth_token", "Value=817f64a82c54f47ad974311cb9308baa", ENDITEM,
"Name=oauth_token_secret", "Value=12770d793561a92c79628d2104d653cf", ENDITEM,
"Name=type", "Value=2", ENDITEM,
LAST);
return 0;
}
由此可以反过来验证，LoadRunner推荐的协议是适合的。见问题，那么还犹豫什么，动手实践吧！
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