package cn.newtol.springbootblog.utils;
import cn.newtol.springbootblog.entity.HttpClientResult;
import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.*;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
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 java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
/**
* @Author: 公众号:Newtol
* @Description: http请求工具类
* @Date: Created in 16:45 2018/11/10
*/
public class HttpClientUtil {
/**
* 编码格式。发送编码格式统一用UTF-8
*/
private static final String ENCODING = "UTF-8";
/**
* 设置连接超时时间,单位毫秒
*/
private static final int CONNECT_TIMEOUT = 6000;
/**
* 请求获取数据的超时时间(即响应时间),单位毫秒。
*/
private static final int SOCKET_TIMEOUT = 6000;
/**
* 没有请求头和请求参数的Get请求
* @param url 请求地址
* @return
* @throws Exception
*/
public static HttpClientResult doGet(String url) throws Exception {
return doGet(url, null, null);
}
/**
* 有请求参数的Get请求
* @param url 请求地址
* @param params 请求参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doGet(String url, Map<String, String> params) throws Exception {
return doGet(url, null, params);
}
/**
* 有请求参数和请求头的Get请求
* @param url 请求地址
* @param headers 请求头集合
* @param params 请求参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doGet(String url, Map<String, String> headers, Map<String, String> params) throws Exception {
// 创建httpClient对象
CloseableHttpClient httpClient = HttpClients.createDefault();
// 创建访问的地址
URIBuilder uriBuilder = new URIBuilder(url);
if (params != null) {
Set<Entry<String, String>> entrySet = params.entrySet();
for (Entry<String, String> entry : entrySet) {
uriBuilder.setParameter(entry.getKey(), entry.getValue());
}
}
// 创建http对象
HttpGet httpGet = new HttpGet(uriBuilder.build());
/**
* setConnectTimeout:设置连接超时时间,单位毫秒。
* setConnectionRequestTimeout:设置从connect Manager(连接池)获取Connection
* 超时时间,单位毫秒。这个属性是新加的属性,因为目前版本是可以共享连接池的。
* setSocketTimeout:请求获取数据的超时时间(即响应时间),单位毫秒。 如果访问一个接口,多少时间内无法返回数据,就直接放弃此次调用。
*/
RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
httpGet.setConfig(requestConfig);
// 设置请求头
packageHeader(headers, httpGet);
// 创建httpResponse对象
CloseableHttpResponse httpResponse = null;
try {
// 执行请求并获得响应结果
return getHttpClientResult(httpResponse, httpClient, httpGet);
} finally {
// 释放资源
release(httpResponse, httpClient);
}
}
/**
* 不带请求头和请求参数post请求
* @param url 请求地址
* @return
* @throws Exception
*/
public static HttpClientResult doPost(String url) throws Exception {
return doPost(url, null, null);
}
/**
* 带请求参数的post请求
* @param url 请求地址
* @param params 参数集合
* @return
* @throws Exception
*/
public static HttpClientResult doPost(String url, Map<String, String> params) throws Exception {
return doPost(url, null, params);
}
/**
* url无参数,JSON数据的POST方法
* @param url 请求地址
* @param content Json数据
* @return
*/
public static HttpClientResult doPostWithJson(String url, String content){
return doPostWithJson(url, content);
}
/**
* url有参数,有Json数据的POST方法
* @param url 请求地址
* @param params Url携带的参数
* @param content Json数据
* @return
* @throws Exception
*/
public static HttpClientResult doPostWithJson(String url, Map<String, String> params, String content) throws Exception {
// 创建httpClient对象
CloseableHttpClient httpClient = HttpClients.createDefault();
// 创建访问的地址
URIBuilder uriBuilder = new URIBuilder(url);
if (params != null) {
Set<Entry<String, String>> entrySet = params.entrySet();
for (Entry<String, String> entry : entrySet) {
uriBuilder.setParameter(entry.getKey(), entry.getValue());
}
}
// 创建http对象
HttpPost httpPost = new HttpPost(uriBuilder.build());
RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
httpPost.setConfig(requestConfig);
StringEntity se = new StringEntity(content.toString(),"UTF-8");
se.setContentType("application/json;charset=UTf-8");
httpPost.setEntity(se);
// 创建httpResponse对象
CloseableHttpResponse httpResponse = null;
try {
// 执行请求并获得响应结果
return getHttpClientResult(httpResponse, httpClient, httpPost);
} finally {
// 释放资源
release(httpResponse, httpClient);
}
}
/**
* 模仿post提交form表单二进制文件
* @param url
* @param params
* @param name
* @return
* @throws Exception
*/
public static HttpClientResult doPost(String url, Map<String, String> params, String name,String pathname) throws Exception {
// 创建httpClient对象
CloseableHttpClient httpClient = HttpClients.createDefault();
// 创建访问的地址
URIBuilder uriBuilder = new URIBuilder(url);
if (params != null) {
Set<Entry<String, String>> entrySet = params.entrySet();
for (Entry<String, String> entry : entrySet) {
uriBuilder.setParameter(entry.getKey(), entry.getValue());
}
}
// 创建http对象
HttpPost httpPost = new HttpPost(uriBuilder.build());
RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECT_TIMEOUT).setSocketTimeout(SOCKET_TIMEOUT).build();
httpPost.setConfig(requestConfig);
// 组装模拟表单
FileBody body = new FileBody(new File(pathname));
// 组装HTTP表单请求参数
MultipartEntityBuilder builder = MultipartEntityBuilder.create().addPart(name, body);
HttpEntity httpEntity = builder.build();
httpPost.setEntity(httpEntity);
// 创建httpResponse对象
CloseableHttpResponse httpResponse = null;
try {
// 执行请求并获得响应结果
return getHttpClientResult(httpResponse, httpClient, httpPost);
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