isolucoesweb / datalayer
PDO 数据库管理
v1.0
2020-09-22 17:37 UTC
Requires
- php: ^7.2
- ext-pdo: *
This package is auto-updated.
Last update: 2024-09-24 00:09:37 UTC
README
连接
define("DATA_LAYER_CONFIG", [ "driver" => "mysql", "host" => "localhost", "port" => "3306", "dbname" => "db", "username" => "root", "passwd" => "", "options" => [ PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8", PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_OBJ, PDO::ATTR_CASE => PDO::CASE_NATURAL ] ]);
模型
class User extends DataLayer { public function __construct() { //string "TABLE_NAME", array ["REQUIRED_FIELD_1", "REQUIRED_FIELD_2"], string "PRIMARY_KEY", bool "TIMESTAMPS" parent::__construct("users", ["first_name", "last_name"]); } }
搜索
<?php use Example\Models\User; $model = new User(); //find all users $users = $model->find()->fetch(true); //find all users limit 2 $users = $model->find()->limit(2)->fetch(true); //find all users limit 2 offset 2 $users = $model->find()->limit(2)->offset(2)->fetch(true); //find all users limit 2 offset 2 order by field ASC $users = $model->find()->limit(2)->offset(2)->order("first_name ASC")->fetch(true); //looping users foreach ($users as $user) { echo $user->first_name; } //find one user by condition $user = $model->find("first_name = :name", "name=Paul")->fetch(); echo $user->first_name; //find one user by two conditions $user = $model->find("first_name = :name AND last_name = :last", "name=Paul&last=Joseph")->fetch(); echo $user->first_name . " " . $user->first_last;
findById
<?php use Example\Models\User; $model = new User(); $user = $model->findById(2); echo $user->first_name;
安全参数
######请查看示例 find_example.php 和模型类 请查看示例 find_example.php 和模型类
$params = http_build_query(["name" => "UpInside & Associated"]); $company = (new Company())->find("name = :name", $params); var_dump($company, $company->fetch());
连接方法
######请查看示例 find_example.php 和模型类 请查看示例 find_example.php 和模型类
$addresses = new Address(); $address = $addresses->findById(22); //get user data to this->user->[all data] $address->user(); var_dump($address);
计数
<?php use Example\Models\User; $model = new User(); $count = $model->find()->count();
保存创建
<?php use Example\Models\User; $user = new User(); $user->first_name = "Paul"; $user->last_name = "Joseph"; $userId = $user->save();
保存更新
<?php use Example\Models\User; $user = (new User())->findById(2); $user->first_name = "Robson"; $userId = $user->save();
销毁
<?php use Example\Models\User; $user = (new User())->findById(2); $user->destroy();
失败
<?php use Example\Models\User; $user = (new User())->findById(2); if($user->fail()){ echo $user->fail()->getMessage(); }
自定义数据方法
class User{ //... public function fullName(): string { return "{$this->first_name} {$this->last_name}"; } public function document(): string { return "Restrict"; } } echo $this->full_name; //Nome Completo echo $this->document; //Restrict