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@gowiny/vue-class

v1.1.3

Published

Vue 3 用类的形式编写组件,面向对象(OOP)编程,并提供了常用的装饰器,可以自定义装饰器

Downloads

136

Readme

goinwy-vue-class

说明

此项目是Vue3 的 TypeScript Class 支持项目,支持普通vue 3 项目和 uniapp + vue3 项目

用类的形式编写组件,面向对象(OOP)编程,并提供了常用的装饰器,还可以自定义装饰器

不依赖 vue-class-component项目 觉得它的实现方式,跟正常的Class 的用法不一致,所以直接重写了。

vue-class-component 的用法,如果子类也写有生命周期的hook,那实际是所有父类的hook 和 子类的 hook 都会执行一次。

此项目,子类重写父类方法后,如果不显式调用super.xxx 的话,是不会执行父类的hook 的。这跟正常的类的继承、重写保持一致

详细使用方法,可以查看演示项目

演示项目地址:https://gitee.com/gowiny/uni-example

安装教程

安装:

npm install @gowiny/vue-class

初始化

  • main.ts
import vueClass from '@gowiny/vue-class'
import { createSSRApp } from "vue";
import App from "./App.vue";

export function createApp() {
  const app = createSSRApp(App);

  //如果是 Vue Router 项目,则添加 Vue Router 独有的生命周期钩子

  app.use(vueClass,{
    hooks:['beforeRouteEnter','beforeRouteUpdate','beforeRouteLeave']
  })

  //如果是uniapp 项目,则添加uniapp独有的生命周期钩子
  /*
  app.use(vueClass,{
    hooks:['onInit','onLoad','onShow','onReady','onHide','onUnload','onResize','onPullDownRefresh','onReachBottom','onTabItemTap','onShareAppMessage','onPageScroll','onNavigationBarButtonTap',
  'onBackPress','onNavigationBarSearchInputChanged','onNavigationBarSearchInputConfirmed','onNavigationBarSearchInputClicked','onShareTimeline','onAddToFavorites']
  })
  */


  return {
    app,
  };
}

使用方法一:

单独使用 <script lang="ts"> 的情况

<template>
  <view class="container">
	<view>title:{{title}}></view>
	<view>name:{{name}}></view>
	<MyProfile></MyProfile>
	<view><button @click="test1">test1</button>
	<view><button @click="test2">test2</button>
  </view>
</template>
<script  lang="ts">
import { Action,Provide, getOptionsByClass, State,Vue } from '@gowiny/vue-class'
import MyProfile from '@/component/test/my-profile.vue'

@Options({
  components:{
    MyProfile
  }
})
class TestPage extends MyPage{
  title:string='用户信息'
  @State("user.userInfo")
  readonly userInfo!:any
  @Action("user/logout")
  logout!:()=>any

  @Provide("testInject")
  testInject11111(){
    uni.showModal({
      content:'我是 TestPage 提供的 testInject 方法'
    })
  }

  @Provide("provideValue")
  provideValue133333:string="TestPage provideValue"

  test1(){
  	console.log('test1')
  }

  test2(){
	  console.log('test2')
  }
}
export default TestPage
</script>

使用方法二:

<script lang="ts"><script setup lang="ts"> 两个标签共用的情况

<template>
  <view class="container">
	<view>title:{{title}}></view>
	<view>name:{{name}}></view>
	<MyProfile></MyProfile>
	<view><button @click="test1">test1</button>
	<view><button @click="test2">test2</button>
  </view>
</template>
<script setup lang="ts">
import MyProfile from '@/component/test/my-profile.vue'
import { ref } from 'vue'
const title = ref('用户信息')
function test1(){
  console.log('test1')
}
</script>

<script  lang="ts">
import { Action,Provide, getOptionsByClass, State,Vue } from '@gowiny/vue-class'
class TestPage extends MyPage{
  @State("user.userInfo")
  readonly userInfo!:any
  @Action("user/logout")
  logout!:()=>any

  @Provide("testInject")
  testInject11111(){
    uni.showModal({
      content:'我是 TestPage 提供的 testInject 方法'
    })
  }

  @Provide("provideValue")
  provideValue133333:string="TestPage provideValue"

  test2(){
	  console.log('test2')
  }
}
/*
这里展示的是<script lang="ts"> 和 <script setup lang="ts"> 两个标签共用的情况。
最后导出的时候,需要使用 getOptionsByClass 函数转换
*/
export default getOptionsByClass(TestPage)
</script>

可自定义装饰器

提供灵活的自定义装饰器的方法:createDecorator

具体使用方法,请参考源码中已有的装饰器的定义方式

createDecorator方法里的参数:ctx : OptionsContext 可以通过设置 ctx.dataFactoryctx.beforeHandlectx.afterHandle 来修改默认实现

支持的装饰器

@Options
@Prop
@State
@Action
@Mutation
@Getter
@Provide
@Inject
@Watch

@Prop

export default class App extends Vue {
	@Prop
	declare readonly title:string
}

等同于

export default defineComponent( {
  name: 'App',
  props:['title']
})

export default class App extends Vue {
	@Prop({
		default:'hello gowiny!'
	})
	declare readonly title:string
}

等同于

export default defineComponent( {
  name: 'App',
  props:{
	  title:{
		default:'hello gowiny!'
	}
  }
})

@State

export default class App extends Vue {
	@State
	declare readonly appName:string
}

等同于

export default defineComponent( {
  name: 'App',
  computed:{
  	appName(){
		this.$store.state.appName
  	}
  }
})

export default class App extends Vue {
	@State("app.version")
	declare readonly appVersion:string
}

等同于

export default defineComponent( {
  name: 'App',
  computed:{
  	appVersion(){
		this.$store.state.app.version
  	}
  }
})

@Action

export default class App extends Vue {
	@Action
	saveScreenSize!:(screenSize:any)=>Promise<any>
}

等同于

export default defineComponent( {
  name: 'App',
  methods:{
  	saveScreenSize(screenSize:any):Promise<any>{
		return this.$store.dispatch("saveScreenSize",screenSize)
  	}
  }
})

export default class App extends Vue {
	@Action("app/saveScreenSize")
	saveScreenSize!:(screenSize:any)=>Promise<any>
}

等同于

export default defineComponent( {
  name: 'App',
  methods:{
  	saveScreenSize(screenSize:any):Promise<any>{
		return this.$store.dispatch("app/saveScreenSize",screenSize)
  	}
  }
})

@Inject

export default class App extends Vue {
	@Inject
	getScreenSize!:()=>any
}

等同于

export default defineComponent( {
  name: 'App',
  inject: ['getScreenSize']
})

export default class App extends Vue {
	@Inject
	getScreenSize(){
		return {width:800,height:600}
	}
}

等同于

export default defineComponent( {
  name: 'App',
  inject: {'getScreenSize':{
	  default:function(){
		  return {width:800,height:600}
	  }
  }}
})

export default class App extends Vue {
	@Inject("screenWidth")
	width:number
}

等同于

export default defineComponent( {
  name: 'App',
  inject:{
  	width:{
		from:'screenWidth'
	}
  }
})

export default class App extends Vue {
	@Inject({from:'screenWidth',default:800})
	width!:number
}

等同于

export default defineComponent( {
	name: 'App',
	inject: {
		width:{
			from:'screenWidth',
			default:800
		}
	}
})

#其他装饰器的用法都类似,不再一一举例