feat: add Vue2 exercises for dynamic styles, lifecycle methods, component communication, and course management dashboard
- Implement dynamic styles and event handling in Vue2 with a card component. - Create lifecycle methods exercise to simulate async data loading and instance destruction. - Develop a component communication exercise with props, events, and slots. - Build a comprehensive course management dashboard with filtering, statistics, and component interactions.
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07-vue2/08-components-communication-and-final/README.md
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# 练习 8:组件通信与综合练习
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## 目标
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把 Vue2 最核心的组件能力串起来,完成一个小型页面。
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## 你要练什么
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- 组件注册(全局 / 局部)
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- `props`
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- `props` 校验
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- `$emit`
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- `slot`
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- `ref`
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## 任务
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请基于页面结构完成以下操作:
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- 把课程卡片拆成子组件
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- 注册一个全局角标组件
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- 父组件通过 `props` 传课程数据
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- 给 `props` 补上类型、必填、默认值或校验规则
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- 子组件点击按钮后通过 `$emit` 通知父组件切换状态
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- 用 `slot` 自定义按钮文案
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- 用 `ref` 聚焦输入框
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## 文件
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- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/07-vue2/08-components-communication-and-final/starter.html)
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- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/07-vue2/08-components-communication-and-final/starter.js)
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- [answer.html](/Users/lijiaqing/home/wwwroot/front-end-example/07-vue2/08-components-communication-and-final/answer.html)
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- [answer.js](/Users/lijiaqing/home/wwwroot/front-end-example/07-vue2/08-components-communication-and-final/answer.js)
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