/** * Created by shangyidong on 16/7/28. */ public class HttpUtil { private static final AvatarLogger logger = AvatarLoggerFactory.getLogger(HttpUtil.class); /** * 向指定URL发送GET方法的请求 * * @param url * 发送请求的URL * @param param * 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。 * @return URL 所代表远程资源的响应结果 */ public static String sendGet(String url, String param) { String result = ""; BufferedReader in = null; try { String urlNameString = url + "?" + param; URL realUrl = new URL(urlNameString); // 打开和URL之间的连接 URLConnection connection = realUrl.openConnection(); // 设置通用的请求属性 connection.setRequestProperty("accept", "*/*"); connection.setRequestProperty("connection", "Keep-Alive"); connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // 建立实际的连接 connection.connect(); /* // 获取所有响应头字段 Map<String, List<String>> map = connection.getHeaderFields(); for (String key : map.keySet()) { System.out.println(key + "--->" + map.get(key)); } */ // 遍历所有的响应头字段 // 定义 BufferedReader输入流来读取URL的响应 in = new BufferedReader(new InputStreamReader(connection.getInputStream())); String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { logger.error("发送GET请求出现异常", e); } finally {//关闭输入流 try { if (in != null) { in.close(); } } catch (Exception e) { logger.error(e); } } return result; } /** * 向指定 URL 发送POST方法的请求 * * @param url * 发送请求的 URL * @param param * 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。 * @return 所代表远程资源的响应结果 */ public static String sendPost(String url, String param) { PrintWriter out = null; BufferedReader in = null; String result = ""; try { URL realUrl = new URL(url); // 打开和URL之间的连接 URLConnection conn = realUrl.openConnection(); // 设置通用的请求属性 conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // 发送POST请求必须设置如下两行 conn.setDoOutput(true); conn.setDoInput(true); // 获取URLConnection对象对应的输出流 out = new PrintWriter(conn.getOutputStream()); // 发送请求参数 out.print(param); // flush输出流的缓冲 out.flush(); // 定义BufferedReader输入流来读取URL的响应 in = new BufferedReader(new InputStreamReader(conn.getInputStream())); String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { logger.error("发送POST请求出现异常", e); } finally { //关闭输出流、输入流 try { if(out!=null){ out.close(); } if(in!=null){ in.close(); } } catch (IOException e){ logger.error(e); } } return result; } public static String sendPostMethod(String url, String title, String content, String warnContactList){ return sendPost(url, "domain=&typeItem=Page&level=1&url=&title=" + title + "&typeObject=Web&content=" + content + "&source=mkt-monitor&typeAttribute=Content¬ifier=[" + warnContactList + "]&severity=high"); } public static void main(String[] args){ //发送 GET 请求 //String s = HttpUtil.sendGet("http://localhost:6144/Home/RequestString", "key=123&v=456"); //System.out.println(s); //发送 POST 请求 String sr = HttpUtil.sendPost("http://****/report/alarm", "domain=&typeItem=Page&level=1&url=&title=测试告警测试告警test&typeObject=Web&content=测试告警内容&source=mkt-monitor&typeAttribute=Content¬ifier=[{\"mobile\": \"170****0278\", \"notify_methods\": \"email,weixin,sms\", \"email\": \"shangyidong@***.com\", \"name\": \"shangyidong\"},{\"mobile\": \"183****6723\", \"notify_methods\": \"email,weixin,sms\", \"email\": \"yangcheng15@***.com\", \"name\": \"yangcheng15\"}]&severity=high"); System.out.println(sr); } }
Java发送http请求代码示例
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