PHP login proxy

PHP login proxy

#### Proxy mode * composition * abstract role: business method implemented by the real role of the interface or abstract class Life * proxy role: implements the abstract role, which is a real role proxy * real role: implement the abstract role and define the business logic to be implemented by the real role #### implement the Mysql connection class "/*** Created by PhpStorm. * User: gewenrui * Date: 16/3/13 * Time: */namespace db; // php allows you to store the constant interface IConnectInfo {// server name const HOST = "localhost"; // User name const USERNAME = "root"; // PASSWORD const PASSWORD = ""; // database name 444444444444444444444 const DBNAME = "proxylog"; public function doConnect ();} class UniversalConnect implements IConnectInfo {// implements the scope resolution operator to access the connection value. // the processing speed advantage of static variables provides private visibility to provide encapsulation of private static $ server = IConnectInfo :: HOST; private static $ currentDB = IConnectInfo: DBNAME; private static $ username = IConnectInfo: USERNAME; private static $ password = IConnectInfo: PASSWORD; private static $ hookup; public function doConnect () {// connect to the database self ::$ hookup = mysqli_connect (self ::$ server, self ::$ username, self ::$ password, self :: $ currentDB); if (self: $ hookup) {echo "Successfucl connection to MYSQL "."
";} Else if (mysqli_connect_error (self: $ hookup) {echo "". mysqli_connect_error ();} return self: $ hookup ;}} "###### create a table" class CreateTable {// set the table name private $ tableMaster = "proxyLog"; private $ hookup; public function _ construct () {$ this-> tableMaster = "proxyLog"; $ this-> hookup = UniversalConnect: doConnect (); $ drop = "drop table if exits $ this-> tableMaster "."
"; // Echo $ drop; if ($ this-> hookup-> query ($ drop) = true) {printf (" Old table % s has been dropped "."
", $ This-> tableMaster);} $ SQL =" CREATE TABLE $ this-> tableMaster (uname VARCHAR (15), pw VARCHAR (120 ))"; // echo $ SQL; if ($ this-> hookup-> query ($ SQL) = true) {echo "Table {$ this-> tableMaster} has been created successful" ;}$ this-> hookup-> close ();}} "###### add data to the table" class HashRegister {public function _ construct () {$ this-> tableMaster = "proxyLog "; $ this-> hookup = UniversalConnect: doConnect (); $ username = $ this-> hookup-> real_escape_string (trim ($ _ POST ['uname']); $ password = $ this-> hookup-> real_escape_string (trim ($ _ POST ['pw ']); $ SQL = "INSERT INTO $ this-> tableMaster (uname, pw) VALUES ('$ username', md5 (' $ password') "; echo $ SQL; if ($ this-> hookup-> query ($ SQL )) {echo "registeration conpleted";} else if ($ result = $ this-> hookup-> query ($ SQL) = false) {printf ("Invalid query: % s while query % s "); exit (); $ this-> hookup-> close () ;}}" #### implement user login in proxy mode"
 TableMaster = "proxyLog"; $ this-> hookup = \ db \ UniversalConnect: doConnect (); $ this-> un = $ this-> hookup-> real_escape_string (trim ($ _ POST ['uname']); $ this-> pw = $ this-> hookup-> real_escape_string (trim ($ _ POST ['pw ']); // proxy mode $ this-> getIface ($ this-> Proxy = new proxy ();} public function getIface (ISubject $ proxy) {$ proxy-> login ($ this-> un, $ this-> pw) ;}// Proxy class proxy implements ISubject {private $ tableMaster; private $ hookup; private $ logGood; private $ realSubject; public function login ($ uNow, $ pwNow) {$ uname = $ uNow; $ pw = md5 ($ pwNow ); $ this-> logGood = false; $ this-> tableMaster = "proxyLog"; $ this-> hookup = \ db \ UniversalConnect: doConnect (); $ SQL = "SELECT pw from $ this-> tableMaster WHERE uname = '$ uname'"; if ($ result = $ this-> hookup-> query ($ SQL )) {$ row = $ result-> fetch_array (MYSQLI_ASSOC); echo $ pw; if ($ row ['pw '] = $ pw) {$ this-> logGood = true;} $ result-> close ();} else if ($ result = $ this-> hookup-> query ($ SQL) === false) {printf ("failed % s", $ this-> hookup-> error); exit ();} $ this-> hookup-> close (); if ($ this-> logGood) {// execute the request method $ this-> request ();} else {echo "username and/or password not on record" ;}} public function request () {$ this-> realSubject = new RealSubject (); $ this-> realSubject-> request () ;}} class RealSubject implements ISubject {public function request () {$ practice = <
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                REQUEST; echo $ practice ;}}$ data = new Client ();"