php+mysql面向对象增删改查

localhost = $localhost;											//就用$this->localhost 代替。 		$this->root 	 = $root;		$this->password  = $password;		$this->database  = $database;    }		public function Connect(){		mysql_connect	($this->localhost,$this-root,$this->password);		mysql_select_db ($this->database);		mysql_query 	("set names utf8");	}		public function Close(){		mysql_close();	}			public function myarray($result){					//形参		return mysql_fetch_array($result);	}		public function myquery($sql){		return @mysql_query($sql);	}		public function myrows($result){		return mysql_num_rows($result);	}			public function myselect($users){		return $this->myquery("select * from $users");	}}$db = new Mysql("localhost","root","","stu_system");

myselect("users");	if(is_array($result)){	while($row=$db->myarray($result)){?>		
	
		
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			&									name = &									sex  = &									phone= ">  修改         			">	  删除		
	

回复讨论(解决方案)

if(is_array($result)){ 这句判断有问题。

$result应是resource，而不是array
你可以var_dump(is_array($result)); 是boolean false的。

改为： if($db->myrows($result)>0){

没有执行 Connect 方法
没有执行 myquery 方法

myselect 方法返回的是资源

没有执行 Connect 方法
没有执行 myquery 方法

myselect 方法返回的是资源

localhost = $localhost;                                            //就用$this->localhost 代替。         $this->root      = $root;        $this->password  = $password;        $this->database  = $database;            }         public function Connect(){        $this->link = mysql_connect($this->localhost, $this->root, $this->password);        mysql_select_db ($this->database, $this->link );        mysql_query     ("set names utf8");    }         public function Close(){        mysql_close();    }              public function myarray($result){                    //形参        return mysql_fetch_array($result);    }         public function myquery($sql){        $this->res = mysql_query($sql) or die (mysql_error());        return $this->res;    }         public function myrows($result){        return mysql_num_rows($result);    }              public function myselect($users){        return $this->myquery("select * from $users");    }} $db = new Mysql("localhost","root","","stu_system");$db->Connect();myselect("users");    while($row=$db->myarray($result)){?>       
    
        
id
        
name
        
sex
        
phone
    
        
 
        
        
 
        
        
            &                                    name = &                                    sex  = &                                    phone= ">  修改                     ">      删除