1 import java.io.ByteArrayOutputStream; 2 import java.io.IOException; 3 import java.io.InputStream; 4 import java.io.OutputStream; 5 import java.io.UnsupportedEncodingException; 6 import java.net.HttpURLConnection; 7 import java.net.MalformedURLException; 8 import java.net.URL; 9 import java.net.URLEncoder; 10 import java.util.HashMap; 11 import java.util.Map; 12 13 import com.google.gson.Gson; 14 /** 15 * http格式的webservice主要工具类 16 * @author Administrator 17 * 18 */ 19 public class HttpWebServiceUtils { 20 21 /* 22 * params 填写的URL的参数 encode 字节编码 23 */ 24 public static String sendPostMessage(Map<String, String> params,String encode,String path) { 25 URL url = null; 26 try { 27 url = new URL(path); 28 } catch (MalformedURLException e1) { 29 e1.printStackTrace(); 30 return ""; 31 }; 32 33 StringBuffer stringBuffer = new StringBuffer(); 34 35 if (params != null && !params.isEmpty()) { 36 for (Map.Entry<String, String> entry : params.entrySet()) { 37 try { 38 stringBuffer 39 .append(entry.getKey()) 40 .append("=") 41 .append(URLEncoder.encode(entry.getValue(), encode)) 42 .append("&"); 43 } catch (UnsupportedEncodingException e) { 44 e.printStackTrace(); 45 return ""; 46 } 47 } 48 //删掉最后一个 & 字符 49 stringBuffer.deleteCharAt(stringBuffer.length() - 1); 50 System.out.println("传递的所有参数信息:" + stringBuffer.toString()); 51 HttpURLConnection httpURLConnection = null; 52 try { 53 httpURLConnection = (HttpURLConnection) url.openConnection(); 54 httpURLConnection.setConnectTimeout(3000); 55 httpURLConnection.setDoInput(true);// 从服务器获取数据 56 httpURLConnection.setDoOutput(true);// 向服务器写入数据 57 58 //获得上传信息的字节大小及长度 59 byte[] mydata = stringBuffer.toString().getBytes(); 60 //设置请求体的类型 61 httpURLConnection.setRequestProperty("Content-Type","application/x-www-form-urlencoded"); 62 httpURLConnection.setRequestProperty("Content-Lenth",String.valueOf(mydata.length)); 63 64 //获得输出流,向服务器输出数据 65 OutputStream outputStream = (OutputStream) httpURLConnection.getOutputStream(); 66 outputStream.write(mydata); 67 outputStream.flush();// 强制把缓冲区的数据写入到文件并清空缓冲区 68 outputStream.close();// 关闭连接 69 //获得服务器响应的结果和状态码 70 int responseCode = httpURLConnection.getResponseCode(); 71 if (responseCode == 200) { 72 //获得输入流,从服务器端获得数据 73 InputStream inputStream = (InputStream) httpURLConnection.getInputStream(); 74 return (changeInputStream(inputStream, encode)); 75 } 76 } catch (IOException e) { 77 e.printStackTrace(); 78 return ""; 79 } finally { 80 if (httpURLConnection != null) { 81 httpURLConnection.disconnect(); 82 } 83 } 84 } 85 return ""; 86 } 87 88 /* 89 *把从输入流InputStream按指定编码格式encode变成字符串String 90 */ 91 public static String changeInputStream(InputStream inputStream,String encode) { 92 93 // ByteArrayOutputStream 一般叫做内存流 94 ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); 95 byte[] data = new byte[1024]; 96 int len = 0; 97 String result = ""; 98 if (inputStream != null) { 99 100 try { 101 while ((len = inputStream.read(data)) != -1) { 102 byteArrayOutputStream.write(data, 0, len); 103 } 104 result = new String(byteArrayOutputStream.toByteArray(), encode); 105 106 } catch (IOException e) { 107 e.printStackTrace(); 108 } 109 } 110 return result; 111 } 112 113 public static void main(String[] args) { 114 //http://localhost:8088/online.video/account/account!httpAddAccount.do 115 //?account.userId=123&account.password=2&account.name=2&account.sex=1&account.type=0&account.phone=2 116 //params是请求的参数的map形式 117 Map<String, String> params = new HashMap<String, String>(); 118 params.put("account.userId", "1234"); 119 params.put("account.password", "123"); 120 params.put("account.name", "张三"); 121 params.put("account.sex", "0"); 122 params.put("account.type", "0"); 123 params.put("account.phone", "13888888888"); 124 //发送请求,得到响应结果 125 String result = HttpWebServiceUtils.sendPostMessage(params, "UTF-8", 126 "http://localhost:8088/online.video/account/account!httpAddAccount.do"); 127 System.out.println(result); 128 Gson gson = new Gson(); 129 130 /* 131 * 下面是对json格式的结果做json解析,用的是gson 132 */ 133 134 /*GsonResult gsonResult = gson.fromJson(result, GsonResult.class); 135 System.out.println(gsonResult.getSuccess());*/ 136 } 137 }
仿main方法的调用就可以了,接口方法就是在Controller里写一个这个请求的方法