java獲取客戶端登陸地址信息(國家、省份、城市等)

源代碼下載地址：http://www.zuidaima.com/share/1550463687658496.htm

/**
* @param urlStr
* 請求的地址
* @param content
* @author www.zuidaima.com
* 請求的參數格式爲：name=xxx&pwd=xxx
* @param encoding
* 服務器端請求編碼。如GBK,UTF-8等
* @return
*/
private static String getResult(String urlStr, String content, String encoding) {
URL url = null;
HttpURLConnection connection = null;
try {
url = new URL(urlStr);
connection = (HttpURLConnection) url.openConnection();// 新建連接實例
connection.setConnectTimeout(2000);// 設置連接超時時間，單位毫秒
connection.setReadTimeout(2000);// 設置讀取數據超時時間，單位毫秒
connection.setDoOutput(true);// 是否打開輸出流 true|false
connection.setDoInput(true);// 是否打開輸入流true|false
connection.setRequestMethod(”POST”);// 提交方法POST|GET
connection.setUseCaches(false);// 是否緩存true|false
connection.connect();// 打開連接端口
DataOutputStream out = new DataOutputStream(connection.getOutputStream());// 打開輸出流往對端服務器寫數據
out.writeBytes(content);// 寫數據,也就是提交你的表單 name=xxx&pwd=xxx
out.flush();// 刷新
out.close();// 關閉輸出流
BufferedReader reader = new BufferedReader(
new InputStreamReader(connection.getInputStream(), encoding));// 往對端寫完數據對端服務器返回數據,以BufferedReader流來讀取
StringBuffer buffer = new StringBuffer();
String line = ”“;
while ((line = reader.readLine()) != null) {
buffer.append(line);
}
reader.close();
return buffer.toString();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (connection != null) {
connection.disconnect();// 關閉連接
}
}
return null;
}
/**
* @Title: decodeUnicode
* @author kaka
* @Description: unicode轉換成中文
* @param @param theString
* @param @return
* @return String
* @throws
*/
private static String decodeUnicode(String theString) {
char aChar;
int len = theString.length();
StringBuffer outBuffer = new StringBuffer(len);
for (int x = 0; x < len;) {
aChar = theString.charAt(x++);
if (aChar == ‘\\’) {
aChar = theString.charAt(x++);
if (aChar == ‘u’) {
int value = 0;
for (int i = 0; i < 4; i++) {
aChar = theString.charAt(x++);
switch (aChar) {
case ‘0’:
case ‘1’:
case ‘2’:
case ‘3’:
case ‘4’:
case ‘5’:
case ‘6’:
case ‘7’:
case ‘8’:
case ‘9’:
value = (value << 4) + aChar - ‘0’;
break;
case ‘a’:
case ‘b’:
case ‘c’:
case ‘d’:
case ‘e’:
case ‘f’:
value = (value << 4) + 10 + aChar - ‘a’;
break;
case ‘A’:
case ‘B’:
case ‘C’:
case ‘D’:
case ‘E’:
case ‘F’:
value = (value << 4) + 10 + aChar - ‘A’;
break;
default:
throw new IllegalArgumentException(“Malformed encoding.”);
}
}
outBuffer.append((char) value);
} else {
if (aChar == ‘t’) {
aChar = ’\t’;
} else if (aChar == ‘r’) {
aChar = ’\r’;
} else if (aChar == ‘n’) {
aChar = ’\n’;
} else if (aChar == ‘f’) {
aChar = ’\f’;
}
outBuffer.append(aChar);
}
} else {
outBuffer.append(aChar);
}
}
return outBuffer.toString();
/**
*
* @param content
* 請求的參數格式爲：name=xxx&pwd=xxx
* @param encoding
* 服務器端請求編碼。如GBK,UTF-8等
* @return
* @throws UnsupportedEncodingException
*/
public static String getAddresses(String content, String encodingString) throws UnsupportedEncodingException {
String result = null;
StringBuffer sb = new StringBuffer();
// 這裏調用pconline的接口
String urlStr = ”http://ip.taobao.com/service/getIpInfo.php”;
// 從http://whois.pconline.com.cn取得IP所在的省市區信息
String returnStr = getResult(urlStr, content, encodingString);
if (returnStr != null) {
// 處理返回的省市區信息
String[] temp = returnStr.split(”,”);
if(temp.length<3){
return “0”;//無效IP，局域網測試
}
String country = ”“;
String area = ”“;
String region = ”“;
String city = ”“;
String county = ”“;
String isp = ”“;
Boolean flag = false;
for(int i=0;i<temp.length;i++){
if(flag){
return result;
}
switch(i){
case 1:
country = (temp[i].split(”:”))[2].replaceAll(“\”“, “”);
country = decodeUnicode(country);//國家
if(country.equals(“未分配或者內網IP”)){
flag = true;
sb.append(country);
result = sb.toString();
break;
}
sb.append(”國家:”);
sb.append(country);
sb.append(”,”);
break;
case 3:
area =(temp[i].split(”:”))[1].replaceAll(“\”“, “”);
area = decodeUnicode(area);//地區
break;
case 5:
region = (temp[i].split(”:”))[1].replaceAll(“\”“, “”);
region = decodeUnicode(region);//省份
sb.append(”省份:”);
sb.append(region);
sb.append(”,”);
break;
case 7:
city = (temp[i].split(”:”))[1].replaceAll(“\”“, “”);
city = decodeUnicode(city);//市區
sb.append(”城市:”);
sb.append(city);
sb.append(”,”);
break;
case 9:
county = (temp[i].split(”:”))[1].replaceAll(“\”“, “”);
county = decodeUnicode(county);//地區
sb.append(”地區:”);
sb.append(county);
break;
case 11:
isp = (temp[i].split(”:”))[1].replaceAll(“\”“, “”);
isp = decodeUnicode(isp);//ISP公司
break;
}
}
result = sb.toString();
}
return result;
}

 /**
  * @param urlStr
  *            請求的地址
  * @param content
  * @author www.zuidaima.com
  *            請求的參數 格式爲：name=xxx&pwd=xxx
  * @param encoding
  *            服務器端請求編碼。如GBK,UTF-8等
  * @return
  */
 private static String getResult(String urlStr, String content, String encoding) {
     URL url = null;
     HttpURLConnection connection = null;
     try {
         url = new URL(urlStr);
         connection = (HttpURLConnection) url.openConnection();// 新建連接實例
         connection.setConnectTimeout(2000);// 設置連接超時時間，單位毫秒
         connection.setReadTimeout(2000);// 設置讀取數據超時時間，單位毫秒
         connection.setDoOutput(true);// 是否打開輸出流 true|false
         connection.setDoInput(true);// 是否打開輸入流true|false
         connection.setRequestMethod("POST");// 提交方法POST|GET
         connection.setUseCaches(false);// 是否緩存true|false
         connection.connect();// 打開連接端口
         DataOutputStream out = new DataOutputStream(connection.getOutputStream());// 打開輸出流往對端服務器寫數據
         out.writeBytes(content);// 寫數據,也就是提交你的表單 name=xxx&pwd=xxx
         out.flush();// 刷新
         out.close();// 關閉輸出流
         BufferedReader reader = new BufferedReader(
               new InputStreamReader(connection.getInputStream(), encoding));// 往對端寫完數據對端服務器返回數據,以BufferedReader流來讀取
         StringBuffer buffer = new StringBuffer();
         String line = "";
         while ((line = reader.readLine()) != null) {
             buffer.append(line);
         }
         reader.close();
         return buffer.toString();
      } catch (IOException e) {
          e.printStackTrace();
      } finally {
          if (connection != null) {
              connection.disconnect();// 關閉連接
          }
      }
      return null;
 }

 /**
  * @Title: decodeUnicode 
  * @author kaka  
  * @Description: unicode轉換成中文   
  * @param @param theString
  * @param @return    
  * @return String   
  * @throws
  */
 private static String decodeUnicode(String theString) {
     char aChar;
     int len = theString.length();
     StringBuffer outBuffer = new StringBuffer(len);
     for (int x = 0; x < len;) {
         aChar = theString.charAt(x++);
         if (aChar == '\\') {
             aChar = theString.charAt(x++);
             if (aChar == 'u') {
                 int value = 0;
                 for (int i = 0; i < 4; i++) {
                      aChar = theString.charAt(x++);
                      switch (aChar) {
                      case '0':
                      case '1':
                      case '2':
                      case '3':
                      case '4':
                      case '5':
                      case '6':
                      case '7':
                      case '8':
                      case '9':
                          value = (value << 4) + aChar - '0';
                          break;
                      case 'a':
                      case 'b':
                      case 'c':
                      case 'd':
                      case 'e':
                      case 'f':
                          value = (value << 4) + 10 + aChar - 'a';
                          break;
                      case 'A':
                      case 'B':
                      case 'C':
                      case 'D':
                      case 'E':
                      case 'F':
                          value = (value << 4) + 10 + aChar - 'A';
                          break;
                      default:
                          throw new IllegalArgumentException("Malformed encoding.");
                      }
                 }
                 outBuffer.append((char) value);
            } else {
                if (aChar == 't') {
                    aChar = '\t';
                } else if (aChar == 'r') {
                    aChar = '\r';
                } else if (aChar == 'n') {
                    aChar = '\n';
                } else if (aChar == 'f') {
                    aChar = '\f';
                }
                outBuffer.append(aChar);
            }
        } else {
            outBuffer.append(aChar);
        }
     }
     return outBuffer.toString();
}
 /**
  * 
  * @param content
  *            請求的參數 格式爲：name=xxx&pwd=xxx
  * @param encoding
  *            服務器端請求編碼。如GBK,UTF-8等
  * @return
  * @throws UnsupportedEncodingException
  */
 public static String getAddresses(String content, String encodingString) throws UnsupportedEncodingException {
     String result = null;
      StringBuffer sb = new StringBuffer();
     // 這裏調用pconline的接口
     String urlStr = "http://ip.taobao.com/service/getIpInfo.php";
     // 從http://whois.pconline.com.cn取得IP所在的省市區信息
     String returnStr = getResult(urlStr, content, encodingString);
     if (returnStr != null) {
         // 處理返回的省市區信息
         String[] temp = returnStr.split(",");
         if(temp.length<3){
             return "0";//無效IP，局域網測試
         }

         String country = ""; 
         String area = ""; 
         String region = ""; 
         String city = ""; 
         String county = ""; 
         String isp = ""; 
         Boolean flag = false;
         for(int i=0;i<temp.length;i++){
             if(flag){
                 return result;
             }
             switch(i){ 
             case 1:
                 country = (temp[i].split(":"))[2].replaceAll("\"", ""); 
                 country = decodeUnicode(country);//國家 
                 if(country.equals("未分配或者內網IP")){
                     flag = true;
                     sb.append(country);
                     result = sb.toString();
                     break;
                 }
                 sb.append("國家:");
                 sb.append(country);
                 sb.append(",");
                 break; 
             case 3:
                 area =(temp[i].split(":"))[1].replaceAll("\"", ""); 
                 area = decodeUnicode(area);//地區 
                 break; 
             case 5:
                 region = (temp[i].split(":"))[1].replaceAll("\"", ""); 
                 region = decodeUnicode(region);//省份 
                 sb.append("省份:");
                 sb.append(region);
                 sb.append(",");
                 break; 
             case 7:
                 city = (temp[i].split(":"))[1].replaceAll("\"", ""); 
                 city = decodeUnicode(city);//市區 
                 sb.append("城市:");
                 sb.append(city);
                 sb.append(",");
                 break; 
             case 9:
                 county = (temp[i].split(":"))[1].replaceAll("\"", ""); 
                 county = decodeUnicode(county);//地區
                 sb.append("地區:");
                 sb.append(county);
                 break; 
             case 11:
                 isp = (temp[i].split(":"))[1].replaceAll("\"", ""); 
                 isp = decodeUnicode(isp);//ISP公司 
                 break; 
             } 
        }
        result = sb.toString();
     }
     return result;
 }

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