Java obtains the client logon address (country, province, city, etc.), java Province

Java obtains the client logon address (country, province, city, etc.), java Province

Original article: java obtains the client logon address (country, province, city, etc)

Source code: http://www.zuidaima.com/share/1550463687658496.htm

Java obtains the client logon address (country, province, city, etc)

/*** @ Param urlStr * request address * @ param content * @ author www.zuidaima.com * The request parameter format is: name = xxx & pwd = xxx * @ param encoding * server-side Request encoding. Such as GBK, UTF-8, etc. * @ 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 (); // create a connection to the instance. setConnectTimeout (2000); // sets the connection timeout time, in milliseconds. setReadTimeout (2000); // set the timeout value for Data Reading, in milliseconds. setDoOutput (true); // whether to enable the output stream. true | False connection. setDoInput (true); // whether to enable the input stream true | false connection. setRequestMethod ("POST"); // submit method POST | GET connection. setUseCaches (false); // whether to cache true | false connection. connect (); // open the connection port DataOutputStream out = new DataOutputStream (connection. getOutputStream (); // open the output stream and write data out to the peer server. writeBytes (content); // write data, that is, submit your form name = xxx & pwd = xxx out. flush (); // refresh out. close (); // close the output stream BufferedReader reader = New BufferedReader (new InputStreamReader (connection. getInputStream (), encoding); // writes data to the peer end. The peer server returns data and reads the 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 (); // close the connection} return null;}/*** @ Title: decodeUnicode * @ author kaka * @ Description: unicode conversion to Chinese * @ 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. cha RAt (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';} outBu Ffer. append (aChar) ;}} else {outBuffer. append (aChar) ;}} return outBuffer. toString ();}/***** @ param content * request parameter format: name = xxx & pwd = xxx * @ param encoding * server-side Request encoding. Such as GBK, UTF-8, etc. * @ return * @ throws UnsupportedEncodingException */public static String getAddresses (String content, String encodingString) throws UnsupportedEncodingException {String result = null; stringBuffer sb = new StringBuffer (); // here call the pconline interface String urlStr = "http://ip.taobao.com/service/getIpInfo.php"; // get the information of the province and city where the IP is located from the http://whois.pconline.com.cn String returnStr = getResult (urlStr, con Tent, encodingString); if (returnStr! = Null) {// process the returned Provincial/Municipal Information String [] temp = returnStr. split (","); if (temp. length <3) {return "0"; // invalid IP address, lan test} 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); // country if (country. equals ("unallocated or Intranet IP Address") {flag = true; sb. append (country); result = sb. toString (); break;} sb. append ("Country:"); sb. append (country); sb. append (","); break; case 3: area = (temp [I]. split (":") [1]. replaceAll ("\" "," "); area = decodeUnicode (area); // region break; case 5: region = (temp [I]. split (":") [1]. replaceAll ("\" "," "); region = decodeUnicode (region); // province sb. append ("province:"); sb. append (region); sb. append (","); break; case 7: city = (temp [I]. split (":") [1]. replaceAll ("\" "," "); city = decodeUnicode (city); // urban sb. append ("City:"); sb. append (city); sb. append (","); break; case 9: county = (temp [I]. split (":") [1]. replaceAll ("\" "," "); county = decodeUnicode (county); // region sb. append ("region:"); sb. append (county); break; case 11: isp = (temp [I]. split (":") [1]. replaceAll ("\" "," "); isp = decodeUnicode (isp); // ISP company break ;}} result = sb. toString ();} return result ;}