轨道创建动作实验室v-000-源码
建立行动实验室
建立有效的create动作
使用form_tag创建可提交给index操作的新表单
正确命名表单字段，使其最终位于params哈希的顶层
在create动作中将params中的数据分配给Student对象
在create动作中保存该Student对象
创建一个从create动作到show动作的redirect_to
指示
该实验室已经通过了许多规格测试，但是还有一些其他测试-包括我们第一次使用控制器测试-位于以下位置：
控制器规格- specs/controllers/students_controller_spec.rb
水豚规格- specs/features/student_spec.rb:37
完成本实验后，您的应用程序应具有以下行为：
用户在students/new上填写表格
提交表单后，将在数据库中创建一条新记录
用户提交表单后，他们将被重定向到show
文件下载
资源详情
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