原帖地址
importjava.io.BufferedReader;
importjava.io.DataOutputStream;
importjava.io.IOException;
importjava.io.InputStreamReader;
importjava.io.UnsupportedEncodingException;
importjava.net.HttpURLConnection;
importjava.net.URL;
/**
* 根据IP地址获取详细的地域信息
* @project:personGocheck
* @class:AddressUtils.java
* @author:heguanhua E-mail:37809893@qq.com
* @date：Nov 14, 2012 6:38:25 PM
*/
publicclassAddressUtils {
/**
*
* @param content
* 请求的参数 格式为：name=xxx&pwd=xxx
* @param encoding
* 服务器端请求编码。如GBK,UTF-8等
* @return
* @throws UnsupportedEncodingException
*/
publicString getAddresses(String content, String encodingString)
throwsUnsupportedEncodingException {
// 这里调用pconline的接口
String urlStr ="http://ip.taobao.com/service/getIpInfo.php";
// 从http://whois.pconline.com.cn取得IP所在的省市区信息
String returnStr =this.getResult(urlStr, content, encodingString);
if(returnStr !=null) {
// 处理返回的省市区信息
System.out.println(returnStr);
String[] temp = returnStr.split(",");
if(temp.length<3){
return"0";//无效IP，局域网测试
}
String region = (temp[5].split(":"))[1].replaceAll("\"","");
region = decodeUnicode(region);// 省份
String country ="";
String area ="";
// String region = "";
String city ="";
String county ="";
String isp ="";
for(inti =0; i < temp.length; i++) {
switch(i) {
case1:
country = (temp[i].split(":"))[2].replaceAll("\"","");
country = decodeUnicode(country);// 国家
break;
case3:
area = (temp[i].split(":"))[1].replaceAll("\"","");
area = decodeUnicode(area);// 地区
break;
case5:
region = (temp[i].split(":"))[1].replaceAll("\"","");
region = decodeUnicode(region);// 省份
break;
case7:
city = (temp[i].split(":"))[1].replaceAll("\"","");
city = decodeUnicode(city);// 市区
break;
case9:
county = (temp[i].split(":"))[1].replaceAll("\"","");
county = decodeUnicode(county);// 地区
break;
case11:
isp = (temp[i].split(":"))[1].replaceAll("\"","");
isp = decodeUnicode(isp);// ISP公司
break;
}
}
System.out.println(country+"="+area+"="+region+"="+city+"="+county+"="+isp);
returnregion;
}
returnnull;
}
/**
* @param urlStr
* 请求的地址
* @param content
* 请求的参数 格式为：name=xxx&pwd=xxx
* @param encoding
* 服务器端请求编码。如GBK,UTF-8等
* @return
*/
privateString getResult(String urlStr, String content, String encoding) {
URL url =null;
HttpURLConnection connection =null;
try{
url =newURL(urlStr);
connection = (HttpURLConnection) url.openConnection();// 新建连接实例
connection.setConnectTimeout(2000);// 设置连接超时时间，单位毫秒
connection.setReadTimeout(2000);// 设置读取数据超时时间，单位毫秒
connection.setDoOutput(true);// 是否打开输出流 true|false
connection.setDoInput(true);// 是否打开输入流true|false
connection.setRequestMethod("POST");// 提交方法POST|GET
connection.setUseCaches(false);// 是否缓存true|false
connection.connect();// 打开连接端口
DataOutputStream out =newDataOutputStream(connection
.getOutputStream());// 打开输出流往对端服务器写数据
out.writeBytes(content);// 写数据,也就是提交你的表单 name=xxx&pwd=xxx
out.flush();// 刷新
out.close();// 关闭输出流
BufferedReader reader =newBufferedReader(newInputStreamReader(
connection.getInputStream(), encoding));// 往对端写完数据对端服务器返回数据
// ,以BufferedReader流来读取
StringBuffer buffer =newStringBuffer();
String line ="";
while((line = reader.readLine()) !=null) {
buffer.append(line);
}
reader.close();
returnbuffer.toString();
}catch(IOException e) {
e.printStackTrace();
}finally{
if(connection !=null) {
connection.disconnect();// 关闭连接
}
}
returnnull;
}
/**
* unicode 转换成 中文
*
* @author fanhui 2007-3-15
* @param theString
* @return
*/
publicstaticString decodeUnicode(String theString) {
charaChar;
intlen = theString.length();
StringBuffer outBuffer =newStringBuffer(len);
for(intx =0; x < len;) {
aChar = theString.charAt(x++);
if(aChar =='\\') {
aChar = theString.charAt(x++);
if(aChar =='u') {
intvalue =0;
for(inti =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:
thrownewIllegalArgumentException(
"Malformed encoding.");
}
}
outBuffer.append((char) value);
}else{
if(aChar =='t') {
aChar ='\t';
}elseif(aChar =='r') {
aChar ='\r';
}elseif(aChar =='n') {
aChar ='\n';
}elseif(aChar =='f') {
aChar ='\f';
}
outBuffer.append(aChar);
}
}else{
outBuffer.append(aChar);
}
}
returnoutBuffer.toString();
}
// 测试
publicstaticvoidmain(String[] args) {
AddressUtils addressUtils =newAddressUtils();
// 测试ip 219.136.134.157 中国=华南=广东省=广州市=越秀区=电信
String ip ="125.70.11.136";
String address ="";
try{
address = addressUtils.getAddresses("ip="+ip,"utf-8");
}catch(UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(address);
// 输出结果为：广东省,广州市,越秀区
}
}
使用HttpURLConnection对接口进行操作，获取返回值，再用split方法截取数据。
