在做http接口测试的时候，老是要做一大堆的参数和值，整个界面看着相当别扭，于是就把参数部分组合放到一个方法中，把执行放到一个方法中，主函数就只要获取response字符串做处理做断言就好了，这样这个代码看上去清爽多了，这里用到了httpclient、dom4j、testng的jar包。

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import java.io.IOException;

import java.io.UnsupportedEncodingException;

import java.util.ArrayList;

import java.util.List;

import org.apache.http.HttpEntity;

import org.apache.http.NameValuePair;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.CloseableHttpResponse;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.impl.client.CloseableHttpClient;

import org.apache.http.impl.client.HttpClients;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.util.EntityUtils;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.testng.AssertJUnit;

public class HttpInterfaceTest {

private static String url;

private static String[][] keyVlaueList = {{"cdkey","6SDK"},{"password","160489"}}; //根据需要自定义接口参数个数及参数值

private static List postPara = new ArrayList();

private static String responseEntiy;

        /**

* 组装请求参数

* @param keyVlaueList

*/

public static List getPostPara(String[][] keyVlaueList) throws DocumentException{

for(int i = 0;i

{

postPara.add(new BasicNameValuePair(keyVlaueList[i][0],keyVlaueList[i][1]));

}

return postPara;

}

        

/**

* 获取接口返回字符串

* @param url

*/

public static String getResponse(String url){

try {

postPara = getPostPara(keyVlaueList);

CloseableHttpClient httpclient = HttpClients.createDefault();

HttpPost post = new HttpPost(url);

post.setEntity(new UrlEncodedFormEntity(postPara));

CloseableHttpResponse response = httpclient.execute(post);

HttpEntity entiyResponse = response.getEntity();

responseEntiy = EntityUtils.toString(entiyResponse).trim();

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}catch (DocumentException e) {

e.printStackTrace();

}

return responseEntiy;

}

public static void main(String[] args){

url = "http://xxxxxxx/querybalance.action";

responseEntiy = getResponse(url);

//获取的字符串：responseEntiy = 01442.4

//根据接口返回的字符类型做相应的解析，自由发挥！

try {

Document document = DocumentHelper.parseText(responseEntiy);

Element rootElement = document.getRootElement();  

Element nodeElement = rootElement.element("error");

String errorString = nodeElement.getTextTrim();

   if (!errorString.equals("0")){

   AssertJUnit.fail(responseEntiy);

   }

}catch (DocumentException e) {

e.printStackTrace();

}

}

}

本文名称：HttpClient做接口测试时自定义参数长度
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