关于关联函数web_reg_save_param的疑问

myallways

#include "web_api.h"


Action()
{
        int flen;
        long filedes;

        web_url("index.asp",
                "URL=http://www.testage.net/bbs/index.asp?boardid=25",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/index.asp",
                "Snapshot=t8.inf",
                "Mode=HTML",
                LAST);

        lr_think_time( 17 );

        web_url("statonline.asp_3",
                "URL=http://www.testage.net/Count/statonline.asp",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/index.asp?boardid=25",
                "Snapshot=t9.inf",
                "Mode=HTML",
                LAST);

        web_url("counter.asp_3",
                "URL=http://www.testage.net/Count/counter.asp?style=none&Referer=http%3A//www.testage.net/bbs/index.asp&Timezone=-480&Width=1024&Height=768&Color=32",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/index.asp?boardid=25",
                "Mode=HTML",
                LAST);

        web_url("CounterLink.asp",
                "URL=http://www.testage.net/Count/CounterLink.asp?style=none",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/index.asp?boardid=25",
                "Snapshot=t10.inf",
                "Mode=HTML",
                LAST);

        web_url("statonline.asp_4",
                "URL=http://www.testage.net/Count/statonline.asp",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/index.asp?boardid=25",
                "Snapshot=t11.inf",
                "Mode=HTML",
                LAST);

        web_url("counter.asp_4",
                "URL=http://www.testage.net/Count/counter.asp?style=none&Referer=http%3A//www.testage.net/bbs/index.asp&Timezone=-480&Width=1024&Height=768&Color=32",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/index.asp?boardid=25",
                "Mode=HTML",
                LAST);

        web_url("Online.asp_3",
                "URL=http://www.testage.net/bbs/Online.asp?action=1&boardid=25",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/index.asp?boardid=25",
                "Snapshot=t12.inf",
                "Mode=HTML",
                LAST);

        web_url("index.asp_2",
                "URL=http://www.testage.net/bbs/index.asp?action=xml",
                "Resource=0",
                "RecContentType=text/xml",
                "Referer=http://www.testage.net/bbs/index.asp?boardid=25",
                "Snapshot=t13.inf",
                "Mode=HTML",
                EXTRARES,
                "Url=skins/Default/plus.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/default/Forum_nav.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/ztop.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/filetype/gif.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/pagelist.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/lockfolder.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/hotfolder.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/filetype/bmp.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=images/pagelist/First.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=images/pagelist/Last.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/css/default/topbg.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/dvmenubg3.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/css/default/tabs_m_tile.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/navspacer.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/postnew.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/votenew.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/css/default/bg1.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/xzb.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/team2.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/ao.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/messages2.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/closedb.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/nofollow.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/ztop1.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/istop.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/isbest.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/filetype/rar.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/css/default/bottombg.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                "Url=skins/Default/alipay.gif", "Referer=http://www.testage.net/bbs/index.asp?boardid=25", ENDITEM,
                LAST);

        lr_think_time( 6 );

        web_url("dispbbs.asp",
                "URL=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/index.asp?boardid=25",
                "Snapshot=t14.inf",
                "Mode=HTML",
                LAST);

        web_url("index.asp_3",
                "URL=http://www.testage.net/bbs/index.asp?action=xml",
                "Resource=0",
                "RecContentType=text/xml",
                "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1",
                "Snapshot=t15.inf",
                "Mode=HTML",
                EXTRARES,
                "Url=skins/Default/dvmenubg3.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/css/default/bottombg.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/navspacer.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/postnew.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/alipay.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/votenew.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/mreply.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/css/default/bg1.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/css/default/topbg.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                "Url=skins/Default/css/default/tabs_m_tile.gif", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                LAST);

        //设置参数的最大长度，注意该值必须大于文件的大小
        web_set_max_html_param_len("20000");

        //获取响应的全部内容，作为文件内容保存
        web_reg_save_param("fcontent", "LB=", "RB=", "SEARCH=BODY", LAST);
        web_url("viewfile.asp",
                "URL=http://www.testage.net/bbs/viewFile.asp?BoardID=25&ID=217",
                "Resource=0",
                "RecContentType=text/html",
                "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1",
                "Snapshot=t16.inf",
                "Mode=HTML",
                EXTRARES,
                "Url=viewFile.asp?BoardID=25&ID=217", "Referer=http://www.testage.net/bbs/dispbbs.asp?boardID=25&ID=5187&page=1", ENDITEM,
                LAST);

        //获取响应中的文件长度
        flen = web_get_int_property(HTTP_INFO_DOWNLOAD_SIZE);

        if(flen > 0)       
        {
                //以写方式打开文件
                if((filedes = fopen("c:\\test.rar", "wb")) == NULL)
                {
                        lr_output_message("Open File Failed!");
                        return -1;
                }
                //写入文件内容
                fwrite(lr_eval_string("{fcontent}"), flen, 1, filedes);
                //关闭文件
                fclose(filedes);
        }

        return 0;
}
大家好，相信大家都见过这段文件下载的代码，看了一下
//获取响应的全部内容，作为文件内容保存
        web_reg_save_param("fcontent", "LB=", "RB=", "SEARCH=BODY", LAST);
这个关联函数没有看懂，这个左右边界是怎么得到的？麻烦明白人给说一下，不胜感激，谢谢！

wozeny

回复 1# myallways

这里的这个关联函数没有设置左右边界，在整个body中查找