?1 package com.urldemo.test; ?2 ??3 import java.io.BufferedReader; ?4 import java.io.IOException; ?5 import java.io.InputStreamReader; ?6 import java.io.OutputStreamWriter; ?7 import java.io.UnsupportedEncodingException; ?8 import java.net.HttpURLConnection; ?9 import java.net.MalformedURLException; 10 import java.net.ProtocolException; 11 import java.net.URL; 12 import java.net.URLConnection; 13 import java.net.URLEncoder; 14 import java.nio.Buffer; 15 import java.nio.channels.Pipe; 16 import java.util.HashMap; 17 import java.util.List; 18 import java.util.Map; 19 ?20 import javax.swing.text.html.parser.Entity; 21 ?22 import org.apache.http.HttpEntity; 23 import org.apache.http.HttpResponse; 24 import org.apache.http.client.ClientProtocolException; 25 import org.apache.http.client.ResponseHandler; 26 import org.apache.http.client.methods.HttpGet; 27 import org.apache.http.impl.client.CloseableHttpClient; 28 import org.apache.http.impl.client.HttpClients; 29 import org.apache.http.util.EntityUtils; 30 ?31 public class URLUtil { 32 ????/** 33 ?????* ?34 ?????* ?1、 ?35 ?????*/ 36 ????public static String SendURLAndParam(String url, String method, String param) { 37 ????????String res = ""; 38 ????????BufferedReader reader = null; 39 ????????try { 40 ????????????// 1、获取真正的url 41 ????????????// url = url+"?"; 42 // ???????????param = URLEncoder.encode(param);// url编码 ?不是必须,看具体 接口需要 43 ????????????URL realUrl = new URL(url + "?" + param);// 没有param url跟上？也不会出错 44 ????????????// 2、获取url链接 45 ????????????URLConnection conn = realUrl.openConnection(); 46 ????????????// 3、设置链接属性 47 ????????????// Http报头分为通用报头，请求报头，响应报头和实体报头。 48 ????????????conn.setRequestProperty("accept", "*/*"); 49 ????????????conn.setRequestProperty("Method", method);// GET还是POST 50 ????????????conn.setRequestProperty("connection", "Keep-Alive"); 51 ????????????conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");// 用户代理 52 ????????????// 4、建立连接，发送请求 53 ????????????conn.connect(); 54 ????????????// 5、获取所有响应头字段 55 ????????????Map<String, List<String>> map = conn.getHeaderFields(); 56 ????????????// 6、遍历所有响应头字段，获取到 cooies等 57 ????????????for (String key : map.keySet()) { 58 ????????????????System.out.println(key + "-->" + map.get(key)); 59 ????????????} 60 ????????????// 7、定义BufferedReader 输入流来读取 URL的响应 61 ????????????reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8")); 62 ????????????String line;// 循环读取 63 ????????????while ((line = reader.readLine()) != null) { 64 ????????????????res += line; 65 ????????????} 66 ????????} catch (IOException e) { 67 ????????????e.printStackTrace(); 68 ????????} finally { 69 ????????????if (reader != null) {// 关闭流 70 ????????????????try { 71 ????????????????????reader.close(); 72 ????????????????} catch (IOException e) { 73 ????????????????????e.printStackTrace(); 74 ????????????????} 75 ????????????} 76 ????????} 77 ????????return res; 78 ????} 79 ????/** 80 ?????* ?81 ?????* ??2、 82 ?????* @return 83 ?????*/ 84 ????static public String sendHttpURLAndData(String postData, String postUrl) { 85 ?86 ????????try { 87 ????????????URL url = new URL(postUrl); 88 ????????????HttpURLConnection conn = (HttpURLConnection) url.openConnection(); 89 ????????????conn.setRequestMethod("POST"); 90 ????????????conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); 91 ????????????conn.setRequestProperty("connection", "Keep-Alive"); 92 ????????????conn.setUseCaches(false); 93 ????????????conn.setDoOutput(true); 94 ?95 ????????????conn.setRequestProperty("Content-Length", "" + postData.length()); 96 ????????????OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8"); 97 ????????????out.write(postData); 98 ????????????out.flush(); 99 ????????????out.close();100 101 ????????????if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {102 ????????????????return "";103 ????????????}104 ????????????String line, result = "";105 ????????????BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));106 ????????????while ((line = in.readLine()) != null) {107 ????????????????result += line + "\n";108 ????????????}109 ????????????in.close();110 ????????????return result;111 ????????} catch (Exception e) {112 ????????}113 ????????return "";114 ????}115 116 ????/**117 ?????* 118 ?????* 3、使用httpclient进行访问，需要是到 http://hc.apache.org/下载jar包119 ?????* 120 ?????* @param url121 ?????* @return122 ?????*/123 ????static public String callOnHttp(String url) {124 ????????String address = "";125 ????????CloseableHttpClient httpClient = HttpClients.createDefault();126 127 ????????try {128 ????????????HttpGet httpGet = new HttpGet(url);129 ????????????ResponseHandler<String> responseHandler = new ResponseHandler<String>() {130 131 ????????????????@Override132 ????????????????public String handleResponse(HttpResponse response) throws ClientProtocolException, IOException {133 ????????????????????int status = response.getStatusLine().getStatusCode();134 ????????????????????if (status >= 200 && status < 300) {135 ????????????????????????HttpEntity entity = response.getEntity();136 ????????????????????????return entity != null ? EntityUtils.toString(entity) : null;137 ????????????????????} else {138 ????????????????????????throw new ClientProtocolException("Unexpected response status:" + status);139 ????????????????????}140 141 ????????????????}142 ????????????};143 ????????????address = httpClient.execute(httpGet, responseHandler);144 ????????} catch (Exception e) {145 ????????????e.printStackTrace();146 ????????} finally {147 ????????????try {148 ????????????????httpClient.close();149 ????????????} catch (IOException e) {150 ????????????????e.printStackTrace();151 ????????????}152 153 ????????}154 155 ????????return address;156 ????}157 158 ????static public String getWeather(String url, String apiKey, String city) {159 ????????String param = "key=" + apiKey + "&city=" + city;160 ????????String result = SendURLAndParam(url, "GET", param);161 ????????return result;162 ????}163 static public void SMS(String url,String apiKey,int tplid,String tel,String wd) throws UnsupportedEncodingException {164 ????????165 ????wd = URLEncoder.encode(wd,"UTF-8");//url编码 不是必须 看具体接口需要166 ????String param = "key="+apiKey+"&tplid="+tplid+"&tel="+tel+"&wd="+wd;167 168 ????SendURLAndParam(url, "GET",param);169 }170 ????public static void main(String[] args) throws UnsupportedEncodingException {171 // ???????String weather = getWeather("http://api.91cha.com/weather", "8c5abe8df3574e23b73aeb51c1efb667", "北京");172 // ???????System.out.println(weather);173 ????????SMS("http://api.91cha.com/sms","64cff0922cbb4c6896dec8dc76884866",1,"18734741443","#code#=1265");174 // ???????http://api.91cha.com/sms?key=64cff0922cbb4c6896dec8dc76884866&tplid=1&tel=18734741443&wd=#code#=1265175 ????}176 }