YouYaX
class ActiveRecord{ public $table; public $data; public $obj; public function __construct($table) { $this->table = $table; $this->data = array(); $this->obj = ''; $this->connect(); } public function connect() { $config = array_change_key_case(require("Conf/config.php")); if ((!empty($config['db_host'])) && (!empty($config['db_user'])) && (!empty($config['db_name']))) { $db_host = $config['db_host']; $db_user = $config['db_user']; $db_pwd = $config['db_pwd']; $db_name = $config['db_name']; $con = mysql_connect($db_host, $db_user, $db_pwd); mysql_select_db($db_name, $con); mysql_query("SET NAMES UTF8"); } } public function __set($name, $value) { $this->data[$name] = $value; if(is_object($this->obj)) { $this->obj->$name = $value; } } public function __get($name) { if(is_object($this->obj)) { return $this->obj->$name; } } public function add() { $sql = "insert into " . $this->table . "(" . implode(",", array_keys($this->data)) . ") values('" . implode("','", array_values($this->data)) . "')"; mysql_query($sql); } public function find($id) { $data = mysql_query("select * from $this->table where id=" . $id); $num = mysql_num_rows($data); if ($num) { $this->obj = mysql_fetch_object($data); } } public function select($param = '') { $array = array(); if ($param == '') { $res = mysql_query("select * from $this->table"); while ($arr = mysql_fetch_array($res)) { $array[] = $arr; } return $array; } else { $data = split(",", $param); foreach ($data as $v) { $res = mysql_query("select * from $this->table where id=" . $v); $num = mysql_num_rows($res); if ($num) { $arr = mysql_fetch_array($res); $array[] = $arr; } } return $array; } } public function save() { foreach ($this->obj as $k => $v) { $sql = "update " . $this->table . " set " . $k . "='" . $v . "' where id=" . $this->obj->id; mysql_query($sql); } } public function delete() { foreach ($this->obj as $k => $v) { $sql = "delete from " . $this->table . " where id=" . $this->obj->id; mysql_query($sql); } }}function T($table){ $t = new ActiveRecord($table); return $t;}
数据表实例化操作
这种表示法,适用于主键为 id 且自增的数据表中,快捷操作。
实例化数据表方法
用 T()函数表示,如:$u=T('表名称');
增加数据
$u=T("表名称");
$u->字段名 = 值;
$u->字段名 2 = 值;
$u->add();
更新数据
$u=T("表名称");
$u->find($id);
$u->字段名 = 值;
$u->字段名 2 = 值;
$u->save();
查找数据
$u=T("表名称");
$u->find($id);
Echo $u->字段名;
Echo $u->字段名2
查找数据集
$u=T("表名称");
$data=$u->select("id1,id2,id3");
若参数为空,返回整张数据表集合,也可以选择返回指定 id 的数据集,返回值
为二维数组,不是对象。
删除数据
$u=T("表名称");
$u->find($id);
$u->delete();
回复讨论(解决方案)
怎么跟 thinkphp 一样?
精简了,路也窄了
AR模式。。其他代码是在你写的CMS里面吗?
我现在使用的是CI的AR代码。感觉还凑合。。ZF的太庞大。。期待更小巧的AR
怎么跟 thinkphp 一样?
精简了,路也窄了
貌似是差不多了,方便移植吧,二次开发更容易点
AR模式。。其他代码是在你写的CMS里面吗?
我现在使用的是CI的AR代码。感觉还凑合。。ZF的太庞大。。期待更小巧的AR
上述的类就是完整的比较简易的curd了,更加深入的没有去实现,毕竟不是做专业框架的。

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