获取客户端的IP
package com.credit.util;
import java.net.InetAddress;
import java.net.UnknownHostException;
import javax.servlet.http.HttpServletRequest;
public class GetIp {
/**
* @param request
* @return
*/
public static String getRemoteHost(javax.servlet.http.HttpServletRequest request){
String ip = request.getHeader("x-forwarded-for");
if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)){
ip = request.getHeader("Proxy-Client-IP");
}
if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)){
ip = request.getHeader("WL-Proxy-Client-IP");
}
if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)){
ip = request.getRemoteAddr();
}
return ip.equals("0:0:0:0:0:0:0:1")?"127.0.0.1":ip;
}
public static String getIpAddress(HttpServletRequest request){
String ipAddress = request.getHeader("x-forwarded-for");
if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknow".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("WL-Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getRemoteAddr();
if(ipAddress.equals("127.0.0.1") || ipAddress.equals("0:0:0:0:0:0:0:1")){
//根据网卡获取本机配置的IP地址
InetAddress inetAddress = null;
try {
inetAddress = InetAddress.getLocalHost();
} catch (UnknownHostException e) {
e.printStackTrace();
}
ipAddress = inetAddress.getHostAddress();
}
}
//对于通过多个代理的情况,第一个IP为客户端真实的IP地址,多个IP按照','分割
if(null != ipAddress && ipAddress.length() > 15){
//"***.***.***.***".length() = 15
if(ipAddress.indexOf(",") > 0){
ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
}
}
return ipAddress;
}
}
获取客户端的ip所在地
package com.credit.util;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.lang.StringUtils;
import net.sf.json.JSONObject;
public class AddressUtils {
/**
*
* @param content
* @return
* @throws UnsupportedEncodingException
*/
public static String getAddresses(String content, String encodingString)
throws UnsupportedEncodingException {
String urlStr = "http://ip.taobao.com/service/getIpInfo.php";
String returnStr = getResult(urlStr, content, encodingString);
if (returnStr != null) {
System.out.println("(1) unicode to chinese before eturnStr : " + returnStr);
returnStr = decodeUnicode(returnStr);
System.out.println("(2) unicode to chinese after eturnStr : " + returnStr);
String[] temp = returnStr.split(",");
if(temp.length<3){
return "0";
}
return returnStr;
}
return null;
}
/**
* @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();
connection.setConnectTimeout(2000);
connection.setReadTimeout(2000);
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setRequestMethod("POST");
connection.setUseCaches(false);
connection.connect();
DataOutputStream out = new DataOutputStream(connection
.getOutputStream());
out.writeBytes(content);
out.flush();
out.close();
BufferedReader reader = new BufferedReader(new InputStreamReader(
connection.getInputStream(), encoding));
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();
}
}
return null;
}
/**
* unicode to chinese
*
* @author fanhui 2007-3-15
* @param theString
* @return
*/
public 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();
}
public static void main(String[] args)
{
try
{
String addressByIp = getAddressByIp("");
System.out.println(addressByIp);
}
catch (Exception e)
{
e.printStackTrace();
} finally {
}
}
public static String getAddressByIp(String ip) throws Exception {
// ip = "219.136.134.157";
String json_result = null;
try {
json_result = AddressUtils.getAddresses("ip=" + ip, "utf-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
JSONObject json = JSONObject.fromObject(json_result);
String city = "";
if(json != null ){
System.out.println("json" + json);
if(json.containsKey("data")){
city = JSONObject.fromObject(json.get("data")).get("city").toString();
}
}
//String country = JSONObject.fromObject(json.get("data")).get("country").toString();
// String region = JSONObject.fromObject(json.get("data")).get("region").toString();
//String county = JSONObject.fromObject(json.get("data")).get("county").toString();
//String isp = JSONObject.fromObject(json.get("data")).get("isp").toString();
//String area = JSONObject.fromObject(json.get("data")).get("area").toString();
return city;
}
public static String getIp2(HttpServletRequest request) {
String ip = request.getHeader("X-Forwarded-For");
if(StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)){
//多次反向代理后会有多个ip值,第一个ip才是真实ip
int index = ip.indexOf(",");
if(index != -1){
return ip.substring(0,index);
}else{
return ip;
}
}
ip = request.getHeader("X-Real-IP");
if(StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)){
return ip;
}
return request.getRemoteAddr();
}
}