基于HttpClient在HTTP协议接口测试中的使用(详解)

基于HttpClient在HTTP协议接口测试中的使用(详解)

HTTP协议的接口测试中，使用到最多的就是GET请求与POST请求，其中POST请求有FORM参数提交请求与RAW请求，下面我将结合HttpClient来实现一下这三种形式：

一、GET请求: GET请求时，参数一般是写在链接上的，代码如下：

public void get(String url){

CloseableHttpClient httpClient = null;

HttpGet httpGet = null;

try {

httpClient = HttpClients.createDefault();

RequestConfig requhttp://estConfig = RequestConfig.custom().setSocketTimeout(20000).setConnectTimeout(20000).build();

httpGet = new HttpGet(url);

httpGet.setConfig(requestConfig);

CloseableHttpResponse response = httpClient.execute(httpGet);

HttpEntity httpEntity = response.getEntity();

System.out.println(EntityUtils.toString(httpEntity,"utf-8"));

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}finally{

try {

if(httpGet!=null){

httpGet.releaseConnection();

}

if(httpClient!=null){

httpClient.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

}

如果想把参数不写在链接上，单独的传进去，则可以这样：

public void get(String url, Map params){

CloseableHttpClient httpClient = null;

HttpGet httpGet = null;

try {

httpClient = HttpClients.createDefault();

RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(20000).setConnectTimeout(20000).build();

String ps = "";

for (String pKey : params.keySet()) {

if(!"".equals(ps)){

ps = ps + "&";

}

ps = pKey+"="+params.get(pKey);

}

if(!"".equals(ps)){

url = url + "?" + ps;

}

httpGet = new HttpGet(url);

httpGet.setConfig(requestConfig);

CloseableHttpResponse response = httpClient.execute(httpGet);

HttpEntity httpEntity = response.getEntity();

System.out.println(EntityUtils.toString(httpEntity,"utf-8"));

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}finally{

try {

if(httpGet!=null){

httpGet.releaseConnection();

}

if(httpClient!=null){

httpClient.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

}

二、POST请求的表单提交方式，代码如下：

public void post(String url, Map params){

CloseableHttpClient httpClient = null;

HttpPost httpPost = null;

try {

httpClient = HttpClients.createDefault();

RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(20000).setConnectTimeout(20000).build();

httpPost = new HttpPost(url);

httpPost.setConfig(requestConfig);

List ps = new ArrayList();

for (String pKey : params.keySet()) {

ps.add(new BasicNameValuePair(pKey, params.get(pKey)));

}

httpPost.setEntity(new UrlEncodedFormEntity(ps));

CloseableHttpResponse response = httpClient.execute(httpPost);

HttpEntity httpEntity = response.getEntity();

System.out.println(EntityUtils.toString(httpEntity,"utf-8"));

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}finally{

try {

if(httpPost!=null){

httpPost.releaseConnection();

}

if(httpClient!=null){

httpClient.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

}

三、 POST请求的RAW参数传递：

public void post(String url, String body){

CloseableHttpClient httpClient = null;

HttpPost httpPost = null;

try {

httpClient = HttpClients.createDefault();

RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(20000).setConnectTimeout(20000).build();

httpPost = new HttpPost(url);

httpPost.setConfig(requestConfig);

httpPost.setEntity(new StringEntity(body));

CloseableHttpResponse response = httpClient.execute(httpPost);

HttpEntity httpEntity = response.getEntity();

System.out.println(EntityUtils.toString(httpEntity,"utf-8"));

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}finally{

try {

if(httpPost!=null){

httpPost.releaseConnection();

}

if(httpClient!=null){

httpClient.close();

}

} catch (IOException e) {

e.printStackTrace();

}

}

}

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