JAVA解析淘宝IP地址库
服务器地址：
http://ip.taobao.com/instructions.php
需 JSON jar包
1 import java.io.BufferedReader; 2 import java.io.DataOutputStream; 3 import java.io.InputStreamReader; 4 import java.net.HttpURLConnection; 5 import java.net.URL; 6 7 import org.json.JSONObject; 8 9 10 /* 11 import org.json.JSONObject; */ 12 13 public class AddressUtils { 14 15 /** 16 * 获取地址 17 * @param params 18 * @param encoding 19 * @return 20 * @throws Exception 21 */ 22 public String getAddress(String params, String encoding) throws Exception{ 23 24 String path = "http://ip.taobao.com/service/getIpInfo.php"; 25 26 String returnStr = this.getRs(path, params, encoding); 27 28 JSONObject json=null; 29 30 if(returnStr != null){ 31 32 json = new JSONObject(returnStr); 33 34 if("0".equals(json.get("code").toString())){ 35 36 StringBuffer buffer = new StringBuffer(); 37 38 buffer.append(decodeUnicode(json.optJSONObject("data").getString("country")));//国家 39 40 buffer.append(decodeUnicode(json.optJSONObject("data").getString("area")));//地区 41 42 buffer.append(decodeUnicode(json.optJSONObject("data").getString("region")));//省份 43 44 buffer.append(decodeUnicode(json.optJSONObject("data").getString("city")));//市区 45 46 buffer.append(decodeUnicode(json.optJSONObject("data").getString("county")));//地区 47 48 buffer.append(decodeUnicode(json.optJSONObject("data").getString("isp")));//ISP公司 49 50 //System.out.println(buffer.toString()); 51 52 return buffer.toString(); 53 54 }else{ 55 56 return "获取地址失败"; 57 58 } 59 60 } 61 return null; 62 63 } 64 /** 65 * 从url获取结果 66 * @param path 67 * @param params 68 * @param encoding 69 * @return 70 */ 71 public String getRs(String path, String params, String encoding){ 72 73 URL url = null; 74 75 HttpURLConnection connection = null; 76 77 try { 78 79 url = new URL(path); 80 81 connection = (HttpURLConnection)url.openConnection();// 新建连接实例 82 83 connection.setConnectTimeout(2000);// 设置连接超时时间，单位毫秒 84 85 connection.setReadTimeout(2000);// 设置读取数据超时时间，单位毫秒 86 87 connection.setDoInput(true);// 是否打开输出流 true|false 88 89 connection.setDoOutput(true);// 是否打开输入流true|false 90 91 connection.setRequestMethod("POST");// 提交方法POST|GET 92 93 connection.setUseCaches(false);// 是否缓存true|false 94 95 connection.connect();// 打开连接端口 96 97 DataOutputStream out = new DataOutputStream(connection.getOutputStream()); 98 99 out.writeBytes(params); 100 101 out.flush(); 102 103 out.close(); 104 105 106 BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(),encoding)); 107 108 StringBuffer buffer = new StringBuffer(); 109 110 String line = ""; 111 112 while ((line = reader.readLine())!= null) { 113 114 buffer.append(line); 115 116 } 117 118 reader.close(); 119 120 return buffer.toString(); 121 122 } catch (Exception e) { 123 124 e.printStackTrace(); 125 126 }finally{ 127 128 connection.disconnect();// 关闭连接 129 130 } 131 132 return null; 133 } 134 /** 135 * 字符转码 136 * @param theString 137 * @return 138 */ 139 public static String decodeUnicode(String theString){ 140 141 char aChar; 142 143 int len = theString.length(); 144 145 StringBuffer buffer = new StringBuffer(len); 146 147 for (int i = 0; i < len;) { 148 149 aChar = theString.charAt(i++); 150 151 if(aChar == '\\'){ 152 153 aChar = theString.charAt(i++); 154 155 if(aChar == 'u'){ 156 157 int val = 0; 158 159 for(int j = 0; j < 4; j++){ 160 161 aChar = theString.charAt(i++); 162 163 switch (aChar) { 164 165 case '0':case '1':case '2':case '3': 166 case '4':case '5': 167 168 case '6': 169 170 case '7': 171 172 case '8': 173 174 case '9': 175 176 val = (val << 4) + aChar - '0'; 177 178 break; 179 180 case 'a': 181 182 case 'b': 183 184 case 'c': 185 186 case 'd': 187 188 case 'e': 189 190 case 'f': 191 192 val = (val << 4) + 10 + aChar - 'a'; 193 194 break; 195 196 case 'A': 197 198 case 'B': 199 200 case 'C': 201 202 case 'D': 203 204 case 'E': 205 206 case 'F': 207 208 val = (val << 4) + 10 + aChar - 'A'; 209 210 break; 211 212 default: 213 214 throw new IllegalArgumentException( 215 216 "Malformed encoding."); 217 } 218 219 } 220 221 buffer.append((char) val); 222 223 }else{ 224 225 if(aChar == 't'){ 226 227 aChar = '\t'; 228 } 229 230 if(aChar == 'r'){ 231 232 aChar = '\r'; 233 } 234 235 if(aChar == 'n'){ 236 237 aChar = '\n'; 238 } 239 240 if(aChar == 'f'){ 241 242 aChar = '\f'; 243 244 } 245 246 buffer.append(aChar); 247 } 248 249 }else{ 250 251 buffer.append(aChar); 252 253 } 254 255 } 256 257 return buffer.toString(); 258 259 } 260 261 /**测试 262 * @param args 263 */ 264 public static void main(String[] args) { 265 266 AddressUtils addressUtils = new AddressUtils(); 267 268 String ip = "180.112.173.164"; 269 270 String address = ""; 271 272 try { 273 274 address = addressUtils.getAddress("ip="+ip, "utf-8"); 275 276 } catch (Exception e) { 277 278 e.printStackTrace(); 279 } 280 281 System.out.println(address); 282 283 284 } 285 }
