看懂這個LR腳本，再也沒有看不懂的LR腳本了

原創 OurTester 2018-12-11 21:11

LoadRunner自帶的訓練的飛機票網站的例子中，有一個很有意思的流程，如下： 首先登陸機票系統，然後查詢從哪裏到哪裏的機票。然後系統會給你4張推薦票。 選擇一張機票，後就可以支付然後完成機票的預定和購買了。 測者相信所有在用LoadRunner的人對這個流程都不陌生，很熟悉。那麼今天測者提出一個問題，我想一個腳本購買推薦的4張飛機票。該如何處理對應的測試腳本呢？

一個飛機票的超級腳本

Action()
{
    int i=0;//循環訂票的遊標變量
    char temp[255];//臨時存儲字符串變量
    int count=0;//存儲循環關聯數組長度變量
    char tempfly[255];//臨時存儲字符串變量
    web_url("WebTours", 
        "URL=http://127.0.0.1:1080/WebTours/", 
        "Resource=0", 
        "RecContentType=text/html", 
        "Referer=", 
        "Snapshot=t1.inf", 
        "Mode=HTTP", 
        LAST);
    web_concurrent_start(NULL);
    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=t2.inf", 
        "Mode=HTTP", 
        LAST);
    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=t4.inf", 
        "Mode=HTTP", 
        LAST);
    web_concurrent_end(NULL);
    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=t3.inf", 
        LAST);
    web_url("webtours.png", 
        "URL=http://127.0.0.1:1080/WebTours/images/webtours.png", 
        "Resource=1", 
        "RecContentType=image/png", 
        "Referer=http://127.0.0.1:1080/WebTours/header.html", 
        "Snapshot=t5.inf", 
        LAST);
    web_concurrent_end(NULL);
    web_concurrent_start(NULL);
    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=t6.inf", 
        "Mode=HTTP", 
        LAST);
    web_reg_save_param("sessionuser","LB=<input type=hidden name=userSession value=","RB=>",LAST);//獲取用於session值的關聯函數
    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_concurrent_end(NULL);
    web_concurrent_start(NULL);
    web_url("JSFormSubmit.js", 
        "URL=http://127.0.0.1:1080/WebTours/JSFormSubmit.js", 
        "Resource=1", 
        "RecContentType=application/x-javascript", 
        "Referer=http://127.0.0.1:1080/WebTours/nav.pl?in=home", 
        "Snapshot=t8.inf", 
        LAST);
    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_end(NULL);
    lr_start_transaction("login-0");
    lr_think_time(9);
    lr_error_message("sessionuser:%s",lr_eval_string("{sessionuser}"));//打印關聯到的用戶session值
    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=t10.inf", 
        "Mode=HTTP", 
        ITEMDATA, 
        "Name=userSession", "Value={sessionuser}", ENDITEM, 
        "Name=username", "Value=test001", ENDITEM, 
        "Name=password", "Value=123456", ENDITEM, 
        "Name=JSFormSubmit", "Value=on", ENDITEM, 
        "Name=login.x", "Value=64", 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=t11.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=t16.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=t12.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=t13.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=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_concurrent_end(NULL);
    lr_end_transaction("login-0",LR_AUTO);
    lr_start_transaction("book-1");
    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=t17.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=t18.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=t19.inf", 
        "Mode=HTTP", 
        LAST);
    web_concurrent_end(NULL);
    web_concurrent_start(NULL);
    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=t20.inf", 
        LAST);
    web_url("itinerary.gif_2", 
        "URL=http://127.0.0.1:1080/WebTours/images/itinerary.gif", 
        "Resource=0", 
        "RecContentType=text/html", 
        "Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=flights", 
        "Mode=HTTP", 
        LAST);
    web_url("signoff.gif_2", 
        "URL=http://127.0.0.1:1080/WebTours/images/signoff.gif", 
        "Resource=0", 
        "RecContentType=text/html", 
        "Referer=http://127.0.0.1:1080/WebTours/nav.pl?page=menu&in=flights", 
        "Mode=HTTP", 
        LAST);
    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=t21.inf", 
        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_reg_save_param("flytype","LB=<input type = radio name=outboundFlight value=","RB=>","ORD=ALL","Savelen=18",LAST);//關聯取得出現的4張電子機票
//      web_reg_save_param("seatPref","LB=<input type=\"radio\" name=\"seatPref\" value=\"","RB=\" ","ORD=ALL","SaveLen=6",LAST);
//  web_reg_save_param("seatType","LB=<input type=\"radio\" name=\"seatType\" value=\"","RB=\" ","ORD=ALL","SaveLen=8",LAST);
    lr_error_message("seatPref_1:",lr_eval_string("{seatPref_1}"));
    lr_error_message("seatPref_2:",lr_eval_string("{seatPref_2}"));
    lr_error_message("seatPref_3:",lr_eval_string("{seatPref_3}"));
    lr_error_message("seatType_1:",lr_eval_string("{seatType_1}"));
    lr_error_message("seatType_2:",lr_eval_string("{seatType_2}"));
    lr_error_message("seatType_3:",lr_eval_string("{seatType_3}"));
    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=t23.inf", 
        "Mode=HTTP", 
        ITEMDATA, 
        "Name=advanceDiscount", "Value=0", ENDITEM, 
        "Name=depart", "Value=Denver", ENDITEM, 
        "Name=departDate", "Value=05/29/2013", ENDITEM, 
        "Name=arrive", "Value={endplace}", ENDITEM, 
        "Name=returnDate", "Value=05/30/2013", ENDITEM, 
        "Name=numPassengers", "Value=1", ENDITEM, 
        "Name=seatPref", "Value={seatPerf}", ENDITEM, 
        "Name=seatType", "Value={seatType}", ENDITEM, 
        "Name=.cgifields", "Value=roundtrip", ENDITEM, 
        "Name=.cgifields", "Value=seatType", ENDITEM, 
        "Name=.cgifields", "Value=seatPref", ENDITEM, 
        "Name=findFlights.x", "Value=80", ENDITEM, 
        "Name=findFlights.y", "Value=15", ENDITEM, 
        LAST);
    lr_error_message("seatPerf:%s",lr_eval_string("{seatPerf}"));
    lr_error_message("seatType:%s",lr_eval_string("{seatType}"));
    count = atoi(lr_eval_string("{flytype_count}"));
    lr_error_message("lenflytype:%d",count);
    lr_error_message("Flytype_1:%s",lr_eval_string("{flytype_1}"));
    lr_error_message("Flytype_2:%s",lr_eval_string("{flytype_2}"));
    lr_error_message("Flytype_3:%s",lr_eval_string("{flytype_3}"));
    lr_error_message("Flytype_4:%s",lr_eval_string("{flytype_4}"));
    for(i=0;i<count;i++)
    {
        sprintf(temp,"{flytype_%d}",i+1);//格式化flytype數組參數格式，取數組中一個存入temp變量
        lr_error_message("temp:%s",temp);//打印temp變量的內容
        sprintf(tempfly,"%s",lr_eval_string(temp));//將temp變量通過lr_eval_string函數將temp變量存儲的對應loadrunner參數的對應內容存入tempfly變量中
        lr_error_message("tempfly:%s",tempfly);//打印tempfly變量的內容
        lr_error_message("lr_eval_string(tempfly):%s",lr_eval_string(tempfly));//通過lr_eval_string函數取得tempfly變量的內容
        lr_save_string(tempfly,"flytypenum");//將tempfly變量內容存到flytypenum參數中，方便以後lr函數使用
        lr_error_message("flytypenum:%s",lr_eval_string("{flytypenum}"));//打印flytypenum內容
        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=t24.inf", 
            "Mode=HTTP", 
            ITEMDATA, 
            "Name=outboundFlight", "Value={flytypenum}", ENDITEM, 
            "Name=numPassengers", "Value=1", ENDITEM, 
            "Name=advanceDiscount", "Value=0", ENDITEM, 
            "Name=seatType", "Value=Coach", ENDITEM, 
            "Name=seatPref", "Value=None", ENDITEM, 
            "Name=reserveFlights.x", "Value=63", ENDITEM, 
            "Name=reserveFlights.y", "Value=17", 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=t25.inf", 
            "Mode=HTTP", 
            ITEMDATA, 
            "Name=firstName", "Value=test001", ENDITEM, 
            "Name=lastName", "Value=test001", ENDITEM, 
            "Name=address1", "Value=test001", ENDITEM, 
            "Name=address2", "Value=123456", ENDITEM, 
            "Name=pass1", "Value=test001 test001", ENDITEM, 
            "Name=creditCard", "Value=", ENDITEM, 
            "Name=expDate", "Value=", ENDITEM, 
            "Name=oldCCOption", "Value=", ENDITEM, 
            "Name=numPassengers", "Value=1", ENDITEM, 
            "Name=seatType", "Value=Coach", ENDITEM, 
            "Name=seatPref", "Value=None", ENDITEM, 
            "Name=outboundFlight", "Value={flytypenum}", ENDITEM, 
            "Name=advanceDiscount", "Value=0", ENDITEM, 
            "Name=returnFlight", "Value=", ENDITEM, 
            "Name=JSFormSubmit", "Value=off", ENDITEM, 
            "Name=.cgifields", "Value=saveCC", ENDITEM, 
            "Name=buyFlights.x", "Value=61", ENDITEM, 
            "Name=buyFlights.y", "Value=8", 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=t26.inf", 
        LAST);
    lr_end_transaction("book-1",LR_AUTO);
    return 0;
}

特別點的解釋 首先，LoadRunner是ansi C語言，因此變量要放到函數的開頭聲明（C語言的變量）。其次，在for循環中，我們看到了幾次sprintf，那麼這裏了測者會詳細說一下，第一次 （假設當前i=0），sprintf(temp,"{flytype_%d}",i+1);，其中“{flytype1}”的含義（包含雙引號），是將一個指向了存有flytype_1值的內存地址的指針指向的值賦值給了temp。也就是temp指向了一段存儲了fltype_1值的內存。sprintf(tempfly,"%s",lrevalstring(temp));將flytype_1這個指針指向的內存地址存儲的值賦給了tempfly，也就是說tempfly和flytype_1這兩個指針都指向相同內存地址，這段地址存儲的就是關聯出來的第一張機票的ouboundFlight值。

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