first commit

2014-03-26 14:18:20 +08:00
commit 41681f1f18
31 changed files with 4496 additions and 0 deletions
--- a/engine/lib/Mysql.class.php
+++ b/engine/lib/Mysql.class.php
@ -0,0 +1,137 @@
+<?php
+class Mysql{
+	private $master;
+	private $slave;
+	public	$do_replication = false;
+    function __construct( $master  ){
+        $this->master = $master;
+    }
+    private function connect( $is_master = true ){
+        if( $is_master ) $dbInfo = $this->master;
+        else $dbInfo = $this->slave;
+        if( !$db = mysql_connect( $dbInfo['host'] , $dbInfo['user'] , $dbInfo['passwd'] ) ){
+            die('can\'t connect to mysql ' . $ $dbInfo['host']  );
+        }else{
+	       // mysql_query( "set names 'utf8'" , $db );
+	        mysql_query( "set names 'utf8mb4'" , $db );
+        }
+        //echo 'connect to: '. $dbInfo['host'].'at db:'.$dbInfo['dbname'].'<br>';
+        mysql_select_db( $dbInfo['dbname'] , $db );
+        
+        return $db;
+    }  
+    private function dbRead(){
+        if( isset( $this->dbRead ) ){
+            mysql_ping( $this->dbRead );
+            return $this->dbRead;
+        }else{
+            if( !$this->do_replication ) return $this->dbWrite();
+            else {
+                $this->dbRead = $this->connect( false );
+                return $this->dbRead;
+            }
+        }
+    }
+    
+    private function dbWrite(){
+        if( isset( $this->dbWrite ) ){
+            mysql_ping( $this->dbWrite );
+            return $this->dbWrite;
+        }else{
+            $this->dbWrite = $this->connect( true );
+            return $this->dbWrite;
+        }
+    }
+    public function setSlave( $slave ){
+    
+	    $this->slave['host'] = $slave['host'];
+        $this->slave['user'] = isset($slave['user']) ? $slave['user'] : $this->master['user'];
+        $this->slave['passwd'] = isset($slave['passwd']) ? $slave['passwd'] : $this->master['passwd'];
+        $this->slave['dbname'] = isset($slave['dbname']) ? $slave['dbname'] : $this->master['dbname'];
+        $this->do_replication = true;
+    }
+    public function saveError() {
+        //$GLOBALS['MYSQL_LAST_ERROR'] = mysql_error();
+        //$GLOBALS['MYSQL_LAST_ERRNO'] = mysql_errno();
+        if( mysql_errno() ){
+	          print_r(  mysql_error() );
+        }
+      
+    }
+    
+    public function runSql( $sql ) {
+        $ret = mysql_query( $sql , $this->dbWrite() );
+        $this->saveError();
+        return $ret;
+    }
+    public function getData( $sql , $key = NULL ){
+        $GLOBALS['MYSQL_LAST_SQL'] = $sql;
+        $data = Array();
+        $i = 0;
+        $result = mysql_query( $sql , $this->do_replication ? $this->dbRead() : $this->dbWrite()  );
+        
+        $this->saveError();
+
+        while( $Array = mysql_fetch_array($result, MYSQL_ASSOC ) ){
+        	if( $key && isset( $Array[$key] ) ){
+	        	$data[$Array[$key]] = $Array;
+        	}else{
+	        	$data[$i++] = $Array;
+        	}
+        }
+
+        /*
+        if( mysql_errno() != 0 )
+            echo mysql_error() .' ' . $sql;
+        */
+        
+        mysql_free_result($result); 
+
+        if( count( $data ) > 0 )
+            return $data;
+        else
+            return false;    
+    }
+    
+    public function getLine( $sql ){
+        $data = $this->getData( $sql );
+        return @reset($data);
+    }
+    
+    public function getVar( $sql ){
+        $data = $this->getLine( $sql );
+        return $data[ @reset(@array_keys( $data )) ];
+    }
+    
+    public function lastId(){
+        $result = mysql_query( "SELECT LAST_INSERT_ID()" , $this->dbWrite() );
+        return reset( mysql_fetch_array( $result, MYSQL_ASSOC ) );
+    }
+    
+    public function closeDb(){
+        if( isset( $this->dbRead ) ){
+	         @mysql_close( $this->dbRead );
+	         unset( $this->dbRead );
+        }
+        if( isset( $this->dbWrite ) ){
+	        @mysql_close( $this->dbWrite );
+	        unset( $this->dbWrite );
+        }
+    }
+    
+    public function escape( $str ){
+        if( isset($this->dbRead)) $db = $this->dbRead ;
+        elseif( isset($this->dbWrite) )    $db = $this->dbWrite;
+        else $db = $this->dbRead();
+        
+        return mysql_real_escape_string( $str , $db );
+    }
+    
+    public function errno(){
+        return  $GLOBALS['MYSQL_LAST_ERRNO'];
+    }
+    
+    public function error(){
+        return $GLOBALS['MYSQL_LAST_ERROR'];
+    }
+}