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@@ -0,0 +1,58 @@
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+1. 建立表
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+php artisan make:model Lesson -m
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+
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+2. 修改迁移文件，添加列
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+
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+
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+3. 升级数据库
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+php artisan migrate
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+
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+4. 降级
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+
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+php artisan migrate:rollback --step=1
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+
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+
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+5. 升级数据库
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+php artisan migrate
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+
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+6. 建立控制器
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+
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+php artisan make:controller --api --model=Lesson LessonController
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+
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+7. 数据库查询
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+
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+ $table = new Tag();
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+ $table = $table->where('name','aaa');
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+ $count = $table->count();
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+ // select count(*) where name = 'aaa';
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+
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+ $data = $table->select(['name','id'])->get();
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+ // select name,id where name = 'aaa';
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+ return $this->ok($data);
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+
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+ /*
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+ ['rows'=>$data,'count'=>$count]
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+ {
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+ rows: data,
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+ count: count,
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+ }
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+ */
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+
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+ /**
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+ * GET tag/ -> index()
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+ * GET tag/:id -> show()
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+ * POST tag -> store()
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+ * PUT tag/:id -> update()
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+ * DELETE tag/:id -> destroy()
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+ */
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+
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+前端 api 配置
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+
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+.env
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+
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+ REACT_APP_API_HOST=http://127.0.0.1:8000/api/v2
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+
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+前端调用
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+
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+ApiFetch(`/progress?view=chapter-tag`)
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+
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visuddhinanda