loadrunner提高篇 - 关联技术的经典使用

　　关联函数是一个查找函数，即是从HTML文件内容中查找需要的值，并将其保存在一个变量或数组中。换一个角度看，关联函数不单单可以匹配一些变化的值，同样可以匹配一些固定的内容，并将其保存到一个数据组，供后续业务使用，也即对关联函数进行扩展使用，在处理事务中这种方式经常用到。

　　实例：以订票为例，假设要实现这样的事务，选择好出发城市和到达城市后，在选择航班时，需要选择票价最便宜的航班

　　实现思路：首先使用关联函数读取HTML代码中票价和航班号，分别将两部分的数据保存在不同的数组中；接着比较票价，选择找到票价最低的是数组中的第几个元素，即最便宜机票所在数据的下标；最后将该下标的值对应地读出航班号，就是最便宜的航班。

　　完整代码如下：

【注：还没运行成功，主要是不懂代码函数的运用】

Action()
{
//录制订票脚本，为了练习关联技术的经典使用web_url("WebTours","URL=http://127.0.0.1:1080/WebTours","Resource=0","RecContentType=text/html","Referer=","Snapshot=t2.inf","Mode=HTTP",LAST);web_url("header.html","URL=http://127.0.0.1:1080/WebTours/header.html","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/","Snapshot=t4.inf","Mode=HTTP",LAST);web_concurrent_start(NULL);web_url("hp_logo.png","URL=http://127.0.0.1:1080/WebTours/images/hp_logo.png","Resource=1","RecContentType=image/png","Referer=http://127.0.0.1:1080/WebTours/header.html","Snapshot=t5.inf",LAST);web_url("webtours.png","URL=http://127.0.0.1:1080/WebTours/images/webtours.png","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/header.html","Mode=HTTP",LAST);web_concurrent_end(NULL);web_url("welcome.pl","URL=http://127.0.0.1:1080/WebTours/welcome.pl?signOff=true","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/","Snapshot=t6.inf","Mode=HTTP",LAST);web_concurrent_start(NULL);web_url("nav.pl","URL=http://127.0.0.1:1080/WebTours/nav.pl?in=home","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/welcome.pl?signOff=true","Snapshot=t7.inf","Mode=HTTP",LAST);web_url("home.html","URL=http://127.0.0.1:1080/WebTours/home.html","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/welcome.pl?signOff=true","Snapshot=t8.inf","Mode=HTTP",LAST);web_concurrent_end(NULL);web_url("mer_login.gif","URL=http://127.0.0.1:1080/WebTours/images/mer_login.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/nav.pl?in=home","Snapshot=t9.inf",LAST);web_concurrent_start(NULL);web_url("8afc2fe48db9060fe1bdda2089e1d950.png","URL=http://act.cmcmcdn.com/upload/201507/8afc2fe48db9060fe1bdda2089e1d950.png","Resource=1","RecContentType=image/png","Referer=http://127.0.0.1:1080/WebTours/","Snapshot=t10.inf",LAST);web_url("3b491068507d8f85ea7b35d756da7215.png","URL=http://act.cmcmcdn.com/upload/201507/3b491068507d8f85ea7b35d756da7215.png","Resource=1","RecContentType=image/png","Referer=http://127.0.0.1:1080/WebTours/","Snapshot=t11.inf",LAST);web_concurrent_end(NULL);lr_start_transaction("登录");lr_think_time(31);web_submit_data("login.pl","Action=http://127.0.0.1:1080/WebTours/login.pl","Method=POST","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/nav.pl?in=home","Snapshot=t12.inf","Mode=HTTP",ITEMDATA,"Name=userSession", "Value=120844.899311462zcVfQfQpfAiDDDDDDHcQfpHfHAf", ENDITEM,"Name=username", "Value=test1", ENDITEM,"Name=password", "Value=test1", ENDITEM,"Name=JSFormSubmit", "Value=off", ENDITEM,"Name=login.x", "Value=36", ENDITEM,"Name=login.y", "Value=15", ENDITEM,LAST);web_concurrent_start(NULL);web_url("nav.pl_2","URL=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=home","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/login.pl","Snapshot=t13.inf","Mode=HTTP",LAST);web_url("login.pl_2","URL=http://127.0.0.1:1080/WebTours/login.pl?intro=true","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/login.pl","Snapshot=t18.inf","Mode=HTTP",LAST);web_concurrent_end(NULL);web_concurrent_start(NULL);web_url("flights.gif","URL=http://127.0.0.1:1080/WebTours/images/flights.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=home","Snapshot=t14.inf",LAST);web_url("in_home.gif","URL=http://127.0.0.1:1080/WebTours/images/in_home.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=home","Snapshot=t15.inf",LAST);web_url("signoff.gif","URL=http://127.0.0.1:1080/WebTours/images/signoff.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=home","Snapshot=t16.inf",LAST);web_url("itinerary.gif","URL=http://127.0.0.1:1080/WebTours/images/itinerary.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=home","Snapshot=t17.inf",LAST);web_concurrent_end(NULL);lr_end_transaction("登录", LR_AUTO);lr_start_transaction("订票");lr_think_time(11);web_url("Search Flights Button","URL=http://127.0.0.1:1080/WebTours/welcome.pl?page=search","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=home","Snapshot=t19.inf","Mode=HTTP",LAST);web_concurrent_start(NULL);web_url("reservations.pl","URL=http://127.0.0.1:1080/WebTours/reservations.pl?page=welcome","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/welcome.pl?page=search","Snapshot=t20.inf","Mode=HTTP",LAST);web_url("nav.pl_3","URL=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=flights","Resource=0","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/welcome.pl?page=search","Snapshot=t21.inf","Mode=HTTP",LAST);web_concurrent_end(NULL);web_url("button_next.gif","URL=http://127.0.0.1:1080/WebTours/images/button_next.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/reservations.pl?page=welcome","Snapshot=t22.inf",LAST);web_concurrent_start(NULL);web_url("in_flights.gif","URL=http://127.0.0.1:1080/WebTours/images/in_flights.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=flights","Snapshot=t23.inf",LAST);web_url("home.gif","URL=http://127.0.0.1:1080/WebTours/images/home.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=flights","Snapshot=t24.inf",LAST);web_concurrent_end(NULL);lr_think_time(5);
/*分析票价和航班号的左右边界值后（可通过航班信息的HTML源代码分析），在这里插入关联函数，进行关联时Ordinal的属性必须设置为all，这样才可以将所有的值匹配到，并将其保存在一个数组中。*///这是航班的关联函数
    web_reg_save_param_ex("ParamName=fligthno","LB=outboundFlight value=","RB=;","Ordinal=all",SEARCH_FILTERS,LAST);//这是票价的关联函数
    web_reg_save_param_ex("ParamName=fligthcost","LB=center>$","RB=</TD>","Ordinal=all",SEARCH_FILTERS,LAST);
/*设置一个标记flag来保存票价*///初始化最贵机票，将第一个航班的机票设置为初始化的最贵的机票max = atoi(lr_eval_string ("{wcsparam_text1_1}"));//初始化标识位，默认设置为1flagno=1;//for循环所有机票for (i=2;i<=atoi(lr_eval_string ("{wcsparam_text1_count}"));i++) {sprintf(cost,"{wcsparam_text1_%d}",i);//比较最前航班的机票是否大于max的值，如果大于max的值，即重新对max赋值if(atoi(lr_eval_string (cost))>max){max=atoi(lr_eval_string (cost));flagno=i;}}/*找到最便宜的机票后，可以得到该数组的下标，那这个数组的下标所对应的航班就是票价最便宜的航班，获取航班号的代码如下：*///通过标识位来确定航班
    sprintf(flightelem,"{wcsparam_text2_%d}",flagno);lr_save_string (lr_eval_string (flightelem),"fligthno");web_submit_data("reservations.pl_2","Action=http://127.0.0.1:1080/WebTours/reservations.pl","Method=POST","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/reservations.pl?page=welcome","Snapshot=t25.inf","Mode=HTTP",ITEMDATA,"Name=advanceDiscount", "Value=0", ENDITEM,"Name=depart", "Value=Denver", ENDITEM,"Name=departDate", "Value=04/11/2017", ENDITEM,"Name=arrive", "Value=London", ENDITEM,"Name=returnDate", "Value=04/12/2017", ENDITEM,"Name=numPassengers", "Value=1", ENDITEM,"Name=seatPref", "Value=Window", ENDITEM,"Name=seatType", "Value=First", ENDITEM,"Name=.cgifields", "Value=roundtrip", ENDITEM,"Name=.cgifields", "Value=seatType", ENDITEM,"Name=.cgifields", "Value=seatPref", ENDITEM,"Name=findFlights.x", "Value=48", ENDITEM,"Name=findFlights.y", "Value=10", ENDITEM,LAST);lr_think_time(4);/*获得最便宜的票价和航班后，即将这两部分的信息放入到提交的信息中，作为客户端的请求进行提交即可，具体代码如下*/web_submit_data("reservations.pl_3","Action=http://127.0.0.1:1080/WebTours/reservations.pl","Method=POST","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/reservations.pl","Snapshot=t26.inf","Mode=HTTP",ITEMDATA,//"Name=outboundFlight", "Value=023;519;04/11/2017", ENDITEM,"Name=outboundFlight", "Value={flightno};{flightnocost};04/11/2017", ENDITEM,"Name=numPassengers", "Value=1", ENDITEM,"Name=advanceDiscount", "Value=0", ENDITEM,"Name=seatType", "Value=First", ENDITEM,"Name=seatPref", "Value=Window", ENDITEM,"Name=reserveFlights.x", "Value=43", ENDITEM,"Name=reserveFlights.y", "Value=6", ENDITEM,LAST);web_submit_data("reservations.pl_4","Action=http://127.0.0.1:1080/WebTours/reservations.pl","Method=POST","RecContentType=text/html","Referer=http://127.0.0.1:1080/WebTours/reservations.pl","Snapshot=t27.inf","Mode=HTTP",ITEMDATA,"Name=firstName", "Value=test1", ENDITEM,"Name=lastName", "Value=test1", ENDITEM,"Name=address1", "Value=", ENDITEM,"Name=address2", "Value=", ENDITEM,"Name=pass1", "Value=test1 test1", ENDITEM,"Name=creditCard", "Value=", ENDITEM,"Name=expDate", "Value=", ENDITEM,"Name=oldCCOption", "Value=", ENDITEM,"Name=numPassengers", "Value=1", ENDITEM,"Name=seatType", "Value=First", ENDITEM,"Name=seatPref", "Value=Window", ENDITEM,//"Name=outboundFlight", "Value=023;519;04/11/2017", ENDITEM,"Name=outboundFlight", "Value={flightno};{flightnocost};04/11/2017", ENDITEM,"Name=advanceDiscount", "Value=0", ENDITEM,"Name=returnFlight", "Value=", ENDITEM,"Name=JSFormSubmit", "Value=off", ENDITEM,"Name=.cgifields", "Value=saveCC", ENDITEM,"Name=buyFlights.x", "Value=48", ENDITEM,"Name=buyFlights.y", "Value=6", ENDITEM,LAST);web_url("bookanother.gif","URL=http://127.0.0.1:1080/WebTours/images/bookanother.gif","Resource=1","RecContentType=image/gif","Referer=http://127.0.0.1:1080/WebTours/reservations.pl","Snapshot=t28.inf",LAST);lr_end_transaction("订票", LR_AUTO);return 0;
}

附上航班信息源码：

<!DOCTYPE htmlPUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US">
<head>
<title>Flight Selections</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
</head>
<body bgcolor="#E0E7F1">
<style>blockquote {font-family: tahoma; font-size : 10pt}H1 {font-family: tahoma; font-size : 22pt; color: #993333}small {font-family: tahoma; font-size : 8pt}H3 {font-family: tahoma; font-size : 10pt; color: black}TD {font-family: tahoma; font-size : 10pt; color: black}</style><BR><BR><h1><font color=#003366>&nbsp;&nbsp;<b>Find Flight</font></b></h1><blockquote>
<form method="post" action="reservations.pl" enctype="application/x-www-form-urlencoded"><center>
<!-- From Denver (0) To London (2) -->
<table cellspacing=2 border=0 width=50%>
<blockquote>Flight departing from <B>Denver</B> to <B>London</B> on <B>04/11/2017</B><BR><BR><tr bgcolor=#5E7884><td align=center><font color=white><B>Flight</B></font><td align=center><font color=white><B>Departure time</B><td align=center><font color=white><B>Cost</B>
//从下面可以看出航班（020、021...）的      左边界是 outboundFlight value=               右边界是  ;
//              票价（$ 635、$ 565...）的  左边界是 center>$                            右边界是  </TD>
<tr bgcolor=#EFF2F7><td align=center><input type = radio name=outboundFlight value=020;635;04/11/2017 checked >Blue Sky Air 020<td align=center>8am<td align=center>$ 635</TD>
</TR>
<tr bgcolor=#EFF2F7><td align=center><input type = radio name=outboundFlight value=021;565;04/11/2017>Blue Sky Air 021<td align=center>1pm<td align=center>$ 565</TD>
</TR>
<tr bgcolor=#EFF2F7><td align=center><input type = radio name=outboundFlight value=022;600;04/11/2017>Blue Sky Air 022<td align=center>5pm<td align=center>$ 600</TD>
</TR>
<tr bgcolor=#EFF2F7><td align=center><input type = radio name=outboundFlight value=023;519;04/11/2017>Blue Sky Air 023<td align=center>11pm<td align=center>$ 519</TD>
</TR>
</table><input type="hidden" name="numPassengers" value="1"  /><input type="hidden" name="advanceDiscount" value="0"  /><input type="hidden" name="seatType" value="First"  /><input type="hidden" name="seatPref" value="Window"  />
<P><center><table width=80% cellspacing=1><tr><td align=center>
<input type="image" name="reserveFlights" src="/WebTours/images/button_next.gif" border="0" />
<td>&nbsp;<td align=center></table></center></form></center>
</blockquote></body>
</html>

航班信息

转载于:https://www.cnblogs.com/Chilam007/p/6670998.html

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