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Laravel框架学习笔记(二)项目实战之模型(Models)

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Release: 2016-06-06 20:18:19
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上一篇已经介绍开发环境的搭建,这篇将从项目实战开发,一步一步了解laravel框架。首先我们来了解下laravel框架的模型(Models)

在开发mvc项目时,models都是第一步。

下面就从建模开始。

1.实体关系图,

由于不知道php有什么好的建模工具,这里我用的vs ado.net实体模型数据建模

下面开始laravel编码,编码之前首先得配置数据库连接,在app/config/database.php文件

'mysql' => array( 'driver' => 'mysql', 'read' => array( 'host' => '127.0.0.1:3306', ), 'write' => array( 'host' => '127.0.0.1:3306' ), 'database' => 'test', 'username' => 'root', 'password' => 'root', 'charset' => 'utf8', 'collation' => 'utf8_unicode_ci', 'prefix' => '', ),

配置好之后,需要用到artisan工具,这是一个php命令工具在laravel目录中

首先需要要通过artisan建立一个迁移 migrate ,这点和asp.net mvc几乎是一模一样

在laravel目录中 shfit+右键打开命令窗口 输入artisan migrate:make create_XXXX会在app/database/migrations文件下生成一个带时间戳前缀的迁移文件

代码:

看到这里有entityframework 迁移经验的基本上发现这是出奇的相似啊。

接下来就是创建我们的实体结构,,laravel 的结构生成器可以参考

increments('id'); $table->unsignedInteger('user_id'); $table->string('title'); $table->string('read_more'); $table->text('content'); $table->unsignedInteger('comment_count'); $table->timestamps(); }); Schema::create('comments', function(Blueprint $table) { $table->increments('id'); $table->unsignedInteger('post_id'); $table->string('commenter'); $table->string('email'); $table->text('comment'); $table->boolean('approved'); $table->timestamps(); }); Schema::table('users', function (Blueprint $table) { $table->create(); $table->increments('id'); $table->string('username'); $table->string('password'); $table->string('email'); $table->string('remember_token', 100)->nullable(); $table->timestamps(); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::drop('posts'); Schema::drop('comments'); Schema::drop('users'); } }

继续在上面的命令窗口输入php artisan migrate 将执行迁移

更多迁移相关知识:

先写到这里明天继续

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