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vue3+ts学习笔记(1-5)项目layout布局

  • 2026-03-06 02:23:38
vue3+ts学习笔记(1-5)项目layout布局
对vue的单页面应用,进行layout布局,与router进行配合
仅对布局思路进行描述解释,如需查看代码请前往目录下vue3_ts项目内实际代码

# 核心理念

***vue存在多层页面处理,但也只有一个html页面***
  • 页面入口第一层,public下index.html或根目录下index.html
  • 页面入口第二层,app.vue,为挂载到html上的唯一节点内容
  • 页面入口第三层,layout/index.vue为渲染在app.vue上的布局容器
  • 页面入口第四层,routerView为路由渲染组件,主要用于渲染对应路由下的vue组件,也是最后一层的实际业务页面

# 本次搭建layout项目背景

本次准备搭建的为横屏模式,
单页面应用框架布局大体分为三种模式,
横屏模式具体解释可参考下方了解

-经典模式

* 左侧菜单栏
* 右侧顶部区域
+ 面包屑与个人信息
+ 页面tab页签
* 右侧内容区域

-横屏模式

* 顶部菜单栏
+ 由左至右,logo+menu菜单+个人信息
+ 页面tab页签
* 内容区域

-混合模式

* 顶部一级菜单栏
+ 由左至右,logo+一级菜单+个人信息
* 左侧子级菜单栏
* 右侧内容区域
+ 页面tab页签
+ 页面内容

# 本次项目layout搭建使用到的技术点

- 1、vue中的vue Router路由组件

* 用来配合layout进行页面跳转与渲染

- 2、vue中的component组件

* [参考文档](https://cn.vuejs.org/api/built-in-special-elements.html#component)
* 主要作用用于动态渲染组件,便于项目后期拓展layout使用,如:上方介绍的三种布局模式

- 3、vue中的router-view组件

* 对路由指向的页面进行页面输出渲染

- 4、vue中的transition组件

* 对所嵌套包含的组件进行动画处理

- 5、vue中的keep-alive组件

* 对组件进行缓存处理

# 常见问题

- 1、菜单导航配置完成,进行路由跳转时,首次跳转无反应,需第二次才可以正常进入?

- 答:修复了默认布局文件 /src/layout/modes/default.vue 中的导航链接:将 href="#" 更改为 href="javascript:void(0)",避免默认的锚点行为干扰路由跳转

- 2、子路由配置后,在router-view输出页面失败?

- 答:子路由在渲染时,会优先渲染父路由,然后在router-view位置渲染自路由组件,当前问题是在配置两层layout布局时,在第二层路由布局处理时遇到,
-     解决方法:取消子路由的使用,改为与父路由同级,但路由地址做处理(/studioApps/workflow)可参考项目路径src/router/route.ts

- 3、二级layout布局如何设计?

- 答:在layout根组件,使用v-if进行条件判断用来分别渲染,使用store用来共享状态数据与函数,可参考项目路径src/store/modules/layout-store.ts

# 结语

**代码是死的人是活的,想要活学活用,首先需要理解layout的布局理念与vue router的路由渲染形式。
项目是千奇百怪的,所以布局模式也是随着项目的不同而不同,***理解思路***  后就能随心所欲了,切勿照猫画虎,`切记!切记!`
以上仅做思路参考,而非像数学一样的公式。**

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  135. /yingpanguazai/ssd/ssd1/www/no.67808.cn/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
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  139. /yingpanguazai/ssd/ssd1/www/no.67808.cn/runtime/temp/6df755f970a38e704c5414acbc6e8bcd.php ( 12.06 KB )
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  1. CONNECT:[ UseTime:0.000812s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001352s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003774s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001365s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001246s ]
  6. SELECT * FROM `set` [ RunTime:0.002697s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001412s ]
  8. SELECT * FROM `article` WHERE `id` = 471840 LIMIT 1 [ RunTime:0.019249s ]
  9. UPDATE `article` SET `lasttime` = 1772929959 WHERE `id` = 471840 [ RunTime:0.009827s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.009346s ]
  11. SELECT * FROM `article` WHERE `id` < 471840 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001050s ]
  12. SELECT * FROM `article` WHERE `id` > 471840 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003104s ]
  13. SELECT * FROM `article` WHERE `id` < 471840 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.048401s ]
  14. SELECT * FROM `article` WHERE `id` < 471840 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002943s ]
  15. SELECT * FROM `article` WHERE `id` < 471840 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.026334s ]
0.284974s