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	<title>进化的测试 &#187; 性能测试</title>
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		<title>LoadRunner模拟客户端发送JSON格式的请求</title>
		<link>http://magustest.com/blog/loadtest/json-format-request-using-loadrunner/</link>
		<comments>http://magustest.com/blog/loadtest/json-format-request-using-loadrunner/#comments</comments>
		<pubDate>Thu, 25 Dec 2008 13:26:09 +0000</pubDate>
		<dc:creator>magus</dc:creator>
				<category><![CDATA[性能测试]]></category>
		<category><![CDATA[JSON]]></category>
		<category><![CDATA[LoadRunner]]></category>

		<guid isPermaLink="false">http://magustest.com/blog/?p=249</guid>
		<description><![CDATA[JSON格式的数据现在用的越来越多，在MySpace.CN，存在着2中web应用，一种是基于.NET平台的web应用，另一种是记录LAMP平台的web应用，要让这两种应用能够互相通信，需要制定一种通信格式，当时选择的就是JSON格式。今天接到一个任务，是要对一个批量获取用户数据的接口进行测试，这个接口介绍JSON格式的请求，返回JSON格式的结果。由于最近LAMP团队比较忙，而且我又不太懂怎么弄一个提交JSON的页面，所以只能找找LoadRunner有没有一些函数可以用。最终找到了web_custom_request这个函数。 1 2 3 4 5 6 7 8 9 10 11 web_custom_request&#40;&#34;request&#34;, //随便写个名字 &#34;Method=POST&#34;, //请求的方法 &#34;URL=http://10.60.0.13:8002/json/getUserAccounts&#34;, //请求地址 &#34;RecContentType=application/json&#34;, //指定相应头的Content-Type，这里是JSON &#34;EncType=application/json&#34;, //指定请求头的Content-Type，这里也是JSON &#34;Mode=HTML&#34;, RAW_BODY_START, //请求BODY开始的标识符 &#34;{\&#34;userIds\&#34;:[1300000001,1300002029,1300003163],\&#34;type\&#34;:0}&#34;, //BODY的内容 55, //上面一行BODY内容的长度 RAW_BODY_END, //请求BODY结束的标识符 LAST&#41;; 这样就是一个发起JSON格式请求，接受JSON格式数据的请求了。也是我写的第一个LR脚本，居然还不是录制的…… 在这里介绍一个计算BODY内容的长度的方法： 在Firefox上装好firebug这个插件 打开Firefox，然后打开控制台 在控制台里面输入BODY内容，然后用.length属性来获取该字符串的长度，如果对于上面这个例子，就是&#124;&#124; &#8220;{\&#8221;userIds\&#8221;:[1300000001,1300002029,1300003163],\&#8221;type\&#8221;:0}&#8221;.length &#124;&#124;，这样就能计算出结果“55” 很方便吧。而且还不会出错，不用数转义字符数目。 Share and Enjoy: No related posts.


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			<content:encoded><![CDATA[<p>JSON格式的数据现在用的越来越多，在MySpace.CN，存在着2中web应用，一种是基于.NET平台的web应用，另一种是记录LAMP平台的web应用，要让这两种应用能够互相通信，需要制定一种通信格式，当时选择的就是<a href="http://www.json.org/json-zh.html" target="_blank">JSON格式</a>。今天接到一个任务，是要对一个批量获取用户数据的接口进行测试，这个接口介绍JSON格式的请求，返回JSON格式的结果。由于最近LAMP团队比较忙，而且我又不太懂怎么弄一个提交JSON的页面，所以只能找找LoadRunner有没有一些函数可以用。最终找到了web_custom_request这个函数。<br />
<span id="more-249"></span></p>

<div class="wp_syntax"><table><tr><td class="line_numbers"><pre>1
2
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</pre></td><td class="code"><pre class="c" style="font-family:monospace;">web_custom_request<span style="color: #009900;">&#40;</span><span style="color: #ff0000;">&quot;request&quot;</span><span style="color: #339933;">,</span>   <span style="color: #666666; font-style: italic;">//随便写个名字</span>
    <span style="color: #ff0000;">&quot;Method=POST&quot;</span><span style="color: #339933;">,</span>                         <span style="color: #666666; font-style: italic;">//请求的方法</span>
    <span style="color: #ff0000;">&quot;URL=http://10.60.0.13:8002/json/getUserAccounts&quot;</span><span style="color: #339933;">,</span>        <span style="color: #666666; font-style: italic;">//请求地址</span>
    <span style="color: #ff0000;">&quot;RecContentType=application/json&quot;</span><span style="color: #339933;">,</span>    <span style="color: #666666; font-style: italic;">//指定相应头的Content-Type，这里是JSON</span>
    <span style="color: #ff0000;">&quot;EncType=application/json&quot;</span><span style="color: #339933;">,</span>               <span style="color: #666666; font-style: italic;">//指定请求头的Content-Type，这里也是JSON</span>
    <span style="color: #ff0000;">&quot;Mode=HTML&quot;</span><span style="color: #339933;">,</span>
    RAW_BODY_START<span style="color: #339933;">,</span>                      <span style="color: #666666; font-style: italic;">//请求BODY开始的标识符</span>
    <span style="color: #ff0000;">&quot;{<span style="color: #000099; font-weight: bold;">\&quot;</span>userIds<span style="color: #000099; font-weight: bold;">\&quot;</span>:[1300000001,1300002029,1300003163],<span style="color: #000099; font-weight: bold;">\&quot;</span>type<span style="color: #000099; font-weight: bold;">\&quot;</span>:0}&quot;</span><span style="color: #339933;">,</span>  <span style="color: #666666; font-style: italic;">//BODY的内容</span>
    <span style="color: #0000dd;">55</span><span style="color: #339933;">,</span>                                    <span style="color: #666666; font-style: italic;">//上面一行BODY内容的长度</span>
    RAW_BODY_END<span style="color: #339933;">,</span>                  <span style="color: #666666; font-style: italic;">//请求BODY结束的标识符</span>
    LAST<span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span></pre></td></tr></table></div>

<p>这样就是一个发起JSON格式请求，接受JSON格式数据的请求了。也是我写的第一个LR脚本，居然还不是录制的……</p>
<p>在这里介绍一个计算BODY内容的长度的方法：</p>
<ol>
<li>在Firefox上装好<a href="https://addons.mozilla.org/firefox/addon/1843" target="_blank">firebug</a>这个插件</li>
<li>打开Firefox，然后打开控制台</li>
<li>在控制台里面输入BODY内容，然后用.length属性来获取该字符串的长度，如果对于上面这个例子，就是|| &#8220;{\&#8221;userIds\&#8221;:[1300000001,1300002029,1300003163],\&#8221;type\&#8221;:0}&#8221;.length ||，这样就能计算出结果“55”</li>
</ol>
<p>很方便吧。而且还不会出错，不用数转义字符数目。</p>



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