如何理解以下VU代码?Help
/*->-> Session File Information <-<-
Created: Fri Apr 28 16:59:35 2006
Name: D:\Program Files\Rational\Rational Test\0428\TestDatastore\DefaultTestScriptDatastore\TMS_Sessions\Test.wch
Type: CS-Network
*/以上为录制的VU脚本的时间，存储目录，VU类型为网络测试类型
#include <VU.h>//包含需要的头文件
{
push Http_control = HTTP_PARTIAL_OK | HTTP_CACHE_OK | HTTP_REDIRECT_OK;
push Timeout_scale = 200; /* Set timeouts to 200% of maximum response time */
push Think_def = "LR";
Min_tmout = 120000; /* Set minimum Timeout_val to 2 minutes */
push Timeout_val = Min_tmout;
push Think_cpu_threshold = 0;
DP1 = datapool_open("Test");
datapool_fetch(DP1);
push Think_avg = 0; /* 0 >= 0 (user think time delay) */
D10_1_254_149 = http_request ["Test001"] "10.1.254.149:80",//需要响应的对象Test001，为什么是Test001，是不是有什么命名规则
HTTP_CONN_DIRECT,
"GET / HTTP/1.1\r\n"
"Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, applicat"
"ion/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-pow"
"erpoint, application/msword, */*\r\n" //以上3行为录制脚本是捕获的所存当前窗口的应用程序，还是其他什么意思不清楚。希望有人能帮我释怀释怀！
"Accept-Language: zh-cn\r\n" //使用语言为中文
"Accept-Encoding: gzip, deflate\r\n" //不通
"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r" //不通，我使用的都是WINDOWS操作系统，应该都是MSIE，竟然告诉我Mozilla
"\n" //不知道这个\n是不是回车的意思，是，又为什么？难道单单是为了代码阅读方便？
"Host: 10.1.254.149\r\n" //这个是我输入的地址
"Connection: Keep-Alive\r\n" //正在连接
"\r\n";
{ string SgenURI_001; } //使用了一个SgenURI_001存储相关的URI
SgenURI_001 = _reference_URI; /* Save "Referer:" string */
set Server_connection = D10_1_254_149; //连接服务
http_header_recv ["Test002"]200; /* OK */ //接受数据包头
http_nrecv ["Test003"]100 %% ; /* 5543 bytes *///接受数据包体
D10_1_254_149_1 = http_request ["Test004"] "10.1.254.149:80",
HTTP_CONN_DIRECT,
"GET /image/style.css HTTP/1.1\r\n"
"Accept: */*\r\n"
"Referer: " + SgenURI_001 + "\r\n"
/* "Referer: http://10.1.254.149/" */
"Accept-Language: zh-cn\r\n"
"Accept-Encoding: gzip, deflate\r\n"
"If-Modified-Since: Tue, 04 Apr 2000 03:59:52 GMT\r\n"
"If-None-Match: W/\"941-954820792000\"\r\n"
"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r"
"\n"
"Host: 10.1.254.149\r\n"
"Connection: Keep-Alive\r\n"
"Cookie: JSESSIONID=72A3ECF5B03364D9E8DB686F8AE490A2\r\n"//Cookie内容
"\r\n";
set Server_connection = D10_1_254_149_1; //这里的IP地址后WHY添加一个序号1
http_header_recv ["Test005"]304; /* Not Modified */
http_nrecv ["Test006"]100 %% ; /* From Cache */ //从缓存接受数据，但是不明白它在什么时候它分配缓存，以及缓存的大小从上面的代码中没有看到有相关的代码，不知道VU.h里面是不是有相关的内容
set Think_avg = 32; /* 32 >= 0 (user think time delay) */
/* Keep-Alive request over connection D10_1_254_149_1 */
http_request ["Test007"]
"GET /image/border.jpg HTTP/1.1\r\n"
"Accept: */*\r\n"
"Referer: " + SgenURI_001 + "\r\n"
/* "Referer: http://10.1.254.149/" */
"Accept-Language: zh-cn\r\n"
"Accept-Encoding: gzip, deflate\r\n"
"If-Modified-Since: Tue, 04 Apr 2006 01:14:38 GMT\r\n"
"If-None-Match: W/\"16913-1144113278000\"\r\n" //这段代码不明白
"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r"
"\n"
"Host: 10.1.254.149\r\n"
"Connection: Keep-Alive\r\n"
"Cookie: JSESSIONID=72A3ECF5B03364D9E8DB686F8AE490A2\r\n"
"\r\n";
/* Keep-Alive request over connection D10_1_254_149_3 */
http_request ["Test106"]
"GET /public/orgmng/addorg_res.jsp?JGMC="
+ http_url_encode(datapool_value(DP1, "JGMC"))+
"&JGJB="
+ SgenRes_001 +
"&SJBM="
+ SgenRes_002 +
"&JGTP="
+ SgenRes_003 +
"&BJBM="
+ http_url_encode(datapool_value(DP1, "BJBM"))+
"&XZQH="
+ http_url_encode(datapool_value(DP1, "XZQH"))+
"&JGDM="
+ http_url_encode(datapool_value(DP1, "JGDM"))+
"&WGBM="
+ http_url_encode(datapool_value(DP1, "WGBM"))+
"&FZR="
+ http_url_encode(datapool_value(DP1, "FZR"))+
"&LXDH="
+ http_url_encode(datapool_value(DP1, "LXDH"))+
" HTTP/1.1\r\n"
"Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, applicat"
"ion/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-pow"
"erpoint, application/msword, */*\r\n"
"Referer: " + SgenURI_012 + "\r\n"
/* "Referer: http://10.1.254.149/public/orgmng/addorg.jsp" */
"Accept-Language: zh-cn\r\n"
"Accept-Encoding: gzip, deflate\r\n"
"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r"
"\n"
"Host: 10.1.254.149\r\n"
"Connection: Keep-Alive\r\n"
"Cookie: JSESSIONID=72A3ECF5B03364D9E8DB686F8AE490A2\r\n"
"\r\n";
http_disconnect(D10_1_254_149_6);
http_disconnect(D10_1_254_149_2);
http_header_recv ["Test107"]200; /* OK */
http_nrecv ["Test108"]100 %% ; /* 810 bytes */
http_disconnect(D10_1_254_149_4);
http_disconnect(D10_1_254_149_7);
http_disconnect(D10_1_254_149_3);
pop Think_cpu_threshold;
pop ;
pop Http_control;
}
DATAPOOL_CONFIG "Test"OVERRIDE DP_NOWRAP DP_SEQUENTIAL DP_SHARED
{
EXCLUDE, "BJBM", "string", "11111111111111";
EXCLUDE, "FZR", "string", "11111111111";
EXCLUDE, "JGDM", "string", "11111";
EXCLUDE, "JGMC", "string", "总行";
EXCLUDE, "LXDH", "string", "1111111";
EXCLUDE, "WGBM", "string", "1111111111111";
EXCLUDE, "XZQH", "string", "120000";
EXCLUDE, "opeCode", "string", "000000";
EXCLUDE, "opePwd", "string", "111111";
} //这是我登陆输入的参数 2天了.没人理?
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