apiService
来源：互联网 发布：福州广电网络集团 编辑：程序博客网 时间：2024/06/05 05:09
import java.io.IOException;import java.net.URISyntaxException;import java.util.ArrayList;import java.util.List;import java.util.Map;import java.util.Map.Entry;import org.apache.http.NameValuePair;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.config.RequestConfig;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpDelete;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.client.methods.HttpPut;import org.apache.http.client.utils.URIBuilder;import org.apache.http.entity.ContentType;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.message.BasicNameValuePair;import org.apache.http.util.EntityUtils;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;/** * 负责和外部接口对接，发起http请求 */@Servicepublic class ApiService { @Autowired(required = false)//使用到时才注册该对象 private CloseableHttpClient httpClient; @Autowired(required = false)//使用到时才注册该对象 private RequestConfig requestConfig; /** * 执行DoGET请求 * * @param url * @return 如果响应是200，返回具体的响应内容，其他响应返回null * @throws ClientProtocolException * @throws IOException */ public String doGet(String url) throws ClientProtocolException, IOException { // 创建http GET请求 HttpGet httpGet = new HttpGet(url); httpGet.setConfig(this.requestConfig); CloseableHttpResponse response = null; try { // 执行请求 response = httpClient.execute(httpGet); // 判断返回状态是否为200 if (response.getStatusLine().getStatusCode() == 200) { return EntityUtils.toString(response.getEntity(), "UTF-8"); } } finally { if (response != null) { response.close(); } } return null; } /** * 带有参数的GET请求 * * @param url * @param param * @return * @throws ClientProtocolException * @throws IOException * @throws URISyntaxException */ public String doGet(String url, Map<String, Object> param) throws ClientProtocolException, IOException, URISyntaxException { // 定义请求的参数 URIBuilder uriBuilder = new URIBuilder(url); for (Map.Entry<String, Object> entry : param.entrySet()) { uriBuilder.addParameter(entry.getKey(), entry.getValue().toString()); } return doGet(uriBuilder.build().toString()); } /** * 带有参数和请求头的GET请求 * * @param url * @param param * @return * @throws ClientProtocolException * @throws IOException * @throws URISyntaxException */ public String doGet(String url,Map<String, String> headers, Map<String, Object> param) throws ClientProtocolException, IOException, URISyntaxException { //设置参数 if (param != null && param.size() != 0) {for (Entry<String, Object> entry : param.entrySet()) {url += (entry.getKey()+"="+entry.getValue()+"&");}} // 创建http GET请求 HttpGet httpGet = new HttpGet(url); httpGet.setConfig(this.requestConfig); CloseableHttpResponse response = null; if (headers != null && headers.size() != 0) {for (Entry<String, String> entry : headers.entrySet()) {httpGet.setHeader(entry.getKey(), entry.getValue());}} try { // 执行请求 response = httpClient.execute(httpGet); // 判断返回状态是否为200 if (response.getStatusLine().getStatusCode() == 200) { return EntityUtils.toString(response.getEntity(), "UTF-8"); } } finally { if (response != null) { response.close(); } } return null; } /** * 指定POST请求 * * @param url * @param param 请求参数 * @return 状态码和请求的body * @throws IOException */ public HttpResult doPost(String url, Map<String, Object> param) throws IOException { // 创建http POST请求 HttpPost httpPost = new HttpPost(url); httpPost.setConfig(this.requestConfig); if (param != null) { // 设置post参数 List<NameValuePair> parameters = new ArrayList<NameValuePair>(0); for (Map.Entry<String, Object> entry : param.entrySet()) { parameters.add(new BasicNameValuePair(entry.getKey(), entry.getValue().toString())); } // 构造一个form表单式的实体,并且指定参数的编码为UTF-8 UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(parameters, "UTF-8"); // 将请求实体设置到httpPost对象中 httpPost.setEntity(formEntity); } CloseableHttpResponse response = null; try { // 执行请求 response = httpClient.execute(httpPost); if (response.getEntity() != null) { return new HttpResult(response.getStatusLine().getStatusCode(), EntityUtils.toString( response.getEntity(), "UTF-8")); } return new HttpResult(response.getStatusLine().getStatusCode(), null); } finally { if (response != null) { response.close(); } } } /** * 执行PUT请求 * * @param url * @param param 请求参数 * @return 状态码和请求的body * @throws IOException */ public HttpResult doPut(String url, Map<String, Object> param) throws IOException { // 创建http POST请求 HttpPut httpPut = new HttpPut(url); httpPut.setConfig(this.requestConfig); if (param != null) { // 设置post参数 List<NameValuePair> parameters = new ArrayList<NameValuePair>(0); for (Map.Entry<String, Object> entry : param.entrySet()) { parameters.add(new BasicNameValuePair(entry.getKey(), entry.getValue().toString())); } // 构造一个form表单式的实体,并且指定参数的编码为UTF-8 UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(parameters, "UTF-8"); // 将请求实体设置到httpPost对象中 httpPut.setEntity(formEntity); } CloseableHttpResponse response = null; try { // 执行请求 response = httpClient.execute(httpPut); if (response.getEntity() != null) { return new HttpResult(response.getStatusLine().getStatusCode(), EntityUtils.toString( response.getEntity(), "UTF-8")); } return new HttpResult(response.getStatusLine().getStatusCode(), null); } finally { if (response != null) { response.close(); } } } /** * 指定POST请求 * * @param url * @param param 请求参数 * @return 状态码和请求的body * @throws IOException */ public HttpResult doPostJson(String url, String json) throws IOException { // 创建http POST请求 HttpPost httpPost = new HttpPost(url); httpPost.setConfig(this.requestConfig); if (json != null) { // 构造一个字符串的实体 StringEntity stringEntity = new StringEntity(json, ContentType.APPLICATION_JSON); // 将请求实体设置到httpPost对象中 httpPost.setEntity(stringEntity); } CloseableHttpResponse response = null; try { // 执行请求 response = httpClient.execute(httpPost); if (response.getEntity() != null) { return new HttpResult(response.getStatusLine().getStatusCode(), EntityUtils.toString( response.getEntity(), "UTF-8")); } return new HttpResult(response.getStatusLine().getStatusCode(), null); } finally { if (response != null) { response.close(); } } } /** * 没有参数的post请求 * * @param url * @return * @throws IOException */ public HttpResult doPost(String url) throws IOException { return doPost(url, null); } /** * 执行PUT请求 * * @param url * @return 状态码和请求的body * @throws IOException */ public HttpResult doPut(String url) throws IOException { return this.doPut(url, null); } /** * 执行DELETE请求,通过POST提交，_method指定真正的请求方法 * * @param url * @param param 请求参数 * @return 状态码和请求的body * @throws IOException */ public HttpResult doDelete(String url, Map<String, Object> param) throws IOException { param.put("_method", "DELETE"); return this.doPost(url, param); } /** * 执行DELETE请求(真正的DELETE请求) * * @param url * @return 状态码和请求的body * @throws IOException */ public HttpResult doDelete(String url) throws IOException { // 创建http DELETE请求 HttpDelete httpDelete = new HttpDelete(url); httpDelete.setConfig(this.requestConfig); CloseableHttpResponse response = null; try { // 执行请求 response = httpClient.execute(httpDelete); if (response.getEntity() != null) { return new HttpResult(response.getStatusLine().getStatusCode(), EntityUtils.toString( response.getEntity(), "UTF-8")); } return new HttpResult(response.getStatusLine().getStatusCode(), null); } finally { if (response != null) { response.close(); } } }}阅读全文
0 0
- apiService
- 29.3ApiService
- 关于Oracle如何导入数据库
- java垃圾回收机制
- JVM系列2-JVM内存结构
- 单利模式
- Android基础（4）：音频和库
- apiService
- JVM系列3-GC算法 垃圾收集器概述
- JZ2440编译 u-boot
- Another git process semms to be running in this repository, e.g. an editor opened by ‘git commit’. P
- 【GamePlay3D游戏引擎学习笔记】——前言
- JVM系列4-GC log
- Java+Selenium3方法篇32-处理不安全连接
- 命令模式
- python正则表达式re
