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我一直在使用PHP一段时间,但直到最近才开始着眼于它的OOP方面。我想创建一个数据库类,我可以存储我的查询功能,如更新,删除,选择,插入。在PHP中创建数据库类
林不知道如果我试图运行这个对什么我做错了,会有人来看看这个,给我一些建议,请
当我试图运行此我得到以下错误虽然:
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW)
HTML:
<?php
require_once("class.Database.php");
?>
<html>
<head>
<title>Database's and Classes</title>
</head>
<body>
<?php
select("cars", "make");
?>
</body>
</html>
到目前为止,我已经为我的PHP:
<?php
require_once __DIR__ . '../../../cfg/cfg.php';
class Database {
private $dbConn; //stores the database connection
public function __construct(){
global $cfg;
$host = $cfg['db']=>host;
$user = $cfg['db']=>user;
$pass = $cfg['db']=>pass;
$db = $cfg['db']=>db;
mysqli_connect($host, $user, $pass, $db) or die("Couldn't connect");
}
public function insert($table, $column, $value){
$result = mysqli_query(INSERT into $this=>table($this=>column) VALUES ($this=>value));
return $result;
}
public function select($table, $column){
$result = mysqli_query(SELECT $this=>column FROM $this=>table);
return $result;
}
public function update($table, $column, $value, $whereCol, $whereVal){
$result = mysqli_query(UPDATE $this=>table set $this=>column = $this=>value WHERE $this=>column = $this=>value);
return $result;
}
public function delete($table, $column, $value){
$result = mysqli_query(DELETE FROM $this=>table WHERE $this=>column = $this=>value);
return $result;
}
}
?>
我会从这里开始http://php.net/manual/en/language.types.array.php之后继续阅读这个http://php.net/manual/en/language.oop5 .php – PeeHaa
'=>'用于在数组中分配键::值对,' - >'用于从对象中获取变量/属性(即OOP)。 – Darren