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：
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public void get(String url){
CloseableHttpClient httpClient = null;
HttpGet httpGet = null;
try {
httpClient = HttpClients.createDefault();
RequestConfig requestConfig = 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();
}
}
}
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如果想把参数不写在链接上，单独的传进去，则可以这样：
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public void get(String url, Map<String, String> 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();
}
}
}
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二、POST请求的表单提交方式，代码如下：
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public void post(String url, Map<String, String> 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<NameValuePair> ps = new ArrayList<NameValuePair>();
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();
}
}
}
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三、 POST请求的RAW参数传递：
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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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以上这篇基于HttpClient在HTTP协议接口测试中的使用(详解)就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：http://www.cnblogs.com/zhangfei/p/5099036.html