util之HttpURLConnection接口发送工具
其他注解可以查看这个链接
http://www.blogjava.net/supercrsky/articles/247449.html
public class RESTUtil { protected static final Logger logger = LoggerFactory.getLogger(RESTUtil.class); /** * @param requestUrl * @param sendType * @param params * @return */ public StringBuffer getRESTData(String requestUrl, String sendType, String params) { logger.info("===============================>请求路径" + requestUrl); logger.info("===============================>发送参数" + params); StringBuffer jsonString = new StringBuffer(); try { // 生成HttpURLConnection对象 URL url = new URL(requestUrl); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); // 设置是否从httpUrlConnection读入，默认情况下是true; connection.setDoInput(true); // 设置是否向httpUrlConnection输出，因为这个是post请求，参数要放在 http正文内，因此需要设为true, 默认情况下是false; connection.setDoOutput(true); // Post 请求不能使用缓存 //connection.setUseCaches(false); // 设定传送的内容类型是可序列化的java对象 // (如果不设此项,在传送序列化对象时,当WEB服务默认的不是这种类型时可能抛java.io.EOFException) // connection.setRequestProperty("Content-type", "application/x-java-serialized-object"); // 设定请求的方法为"POST"，默认是GET // connection.setRequestMethod("POST"); connection.setRequestMethod(sendType); connection.setConnectTimeout(50000); // 连接，从上述第2条中url.openConnection()至此的配置必须要在connect之前完成， // connection.connect(); // 此处getOutputStream会隐含的进行connect(即：如同调用上面的connect()方法， // 所以在开发中不调用上述的connect()也可以)。 OutputStream writer = connection.getOutputStream(); writer.write(params.toString().getBytes()); // 关闭流对象 writer.close(); BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream())); String line; while ((line = br.readLine()) != null) { jsonString.append(line); } // 关闭流对象 br.close(); connection.disconnect(); logger.info("===============================>返回结果" + jsonString.toString()); } catch (Exception e) { e.printStackTrace(); logger.error(e.getMessage()); } return jsonString; } }
全量
package com.xxx.util; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.ConnectException; import java.net.HttpURLConnection; import java.net.URL; import java.util.Map; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class RESTUtil { protected static final Logger logger = LoggerFactory.getLogger(RESTUtil.class); public RESTUtil() { } public StringBuffer getRESTData(String requestUrl, String sendType, String params) { StringBuffer jsonString = new StringBuffer(); try { URL url = new URL(requestUrl); logger.info("===============================>请求路径" + requestUrl); logger.info("===============================>发送参数" + params); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoInput(true); connection.setDoOutput(true); connection.setRequestMethod(sendType); connection.setConnectTimeout(50000); OutputStream writer = connection.getOutputStream(); writer.write(params.toString().getBytes()); writer.close(); BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream())); String line; while ((line = br.readLine()) != null) { jsonString.append(line); } br.close(); connection.disconnect(); logger.info("===============================>返回结果" + jsonString.toString()); } catch (Exception e) { e.printStackTrace(); logger.error(e.getMessage()); } return jsonString; } public StringBuffer getRESTData(String requestUrl, String sendType, Map<String, Object> params) { StringBuffer jsonString = new StringBuffer(); try { URL url = new URL(requestUrl); logger.info("===============================>请求路径" + requestUrl); logger.info("===============================>发送参数" + params); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoInput(true); connection.setDoOutput(true); connection.setRequestMethod(sendType); connection.setConnectTimeout(50000); OutputStream writer = connection.getOutputStream(); String temp = params.toString().substring(1); temp = temp.substring(0, temp.length() - 1); writer.write(temp.getBytes()); writer.close(); BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream())); String line; while ((line = br.readLine()) != null) { jsonString.append(line); } br.close(); connection.disconnect(); logger.info("===============================>返回结果" + jsonString.toString()); } catch (Exception e) { e.printStackTrace(); logger.error(e.getMessage()); } return jsonString; } /** * 传递参数 获取接口数据 * * @param requestUrl * 请求地址 * @param requestMethod * 请求方法 * @param accept * 默认为application/json * @param verb * 统一定义为“Add”，“Get”，“Modify”等，且大小写敏感。 * @param noun * 用来定义对象的类型。 * @param contentType * 默认为application/json * @param param * 参数拼接 * @return */ public synchronized static String getRestData(String requestUrl, String requestMethod, String accept, String verb, String noun, String contentType, String param) { HttpURLConnection connection = null; StringBuffer jsonString = new StringBuffer(); try { URL url = new URL(requestUrl); connection = (HttpURLConnection) url.openConnection(); connection.setDoInput(true); connection.setDoOutput(true); connection.setRequestMethod(requestMethod); connection.setRequestProperty("Accept", accept); connection.setRequestProperty("verb", verb); connection.setRequestProperty("noun", noun); connection.setRequestProperty("Content-Type", contentType); OutputStream writer = connection.getOutputStream(); writer.write(param.getBytes()); writer.close(); BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream())); String line; while ((line = br.readLine()) != null) { jsonString.append(line); } br.close(); } catch (ConnectException e1) { e1.printStackTrace(); throw new RuntimeException(e1.getMessage()); } catch (Exception e) { e.printStackTrace(); throw new RuntimeException(e.getMessage()); } finally { if (connection != null) connection.disconnect(); } return jsonString.toString(); } }
