时间:2021-07-01 10:21:17 帮助过:20人阅读
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:
<?php use Illuminate\Database\Schema\Blueprint; use Illuminate\Database\Migrations\Migration; class CreateTablenameTable extends Migration { /** * Run the migrations. * * @return void */ public function up() { } /** * Reverse the migrations. * * @return void */ public function down() { } }
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http://v4.golaravel.com/docs/4.1/schema
<?php use Illuminate\Database\Schema\Blueprint; use Illuminate\Database\Migrations\Migration; class CreateTablenameTable extends Migration { /** * Run the migrations. * * @return void */ public function up() { Schema::create('posts', function(Blueprint $table) { $table->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:http://v4.golaravel.com/docs/4.1/migrations
先写到这里明天继续