vue3.0實踐之寫tsx語法範例

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueJsx from '@vitejs/plugin-vue-jsx';

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [vue(),vueJsx()]
})

    "jsx": "preserve",
    "jsxFactory": "h",
    "jsxFragmentFactory": "Fragment",

<template>
  <!-- <Layout></Layout> -->
  <renderDom />
</template>

<script setup lang="ts">
// import Layout from './layout/Layout.vue'
import renderDom from './App.tsx'
</script>
<style lang="scss">
html,
body,
#app {
  height: 100%;
  width: 100%;
  overflow: hidden;
}
</style>

import { ref } from "vue"
let test = ref<string>("")
const renderDom = () => {
  // 注意點：在tsx之中 不會自動讀寫 X.value
  return (
    <div>
      <input type="text" v-model={test.value} />
      <div>我是{test.value }</div>
    </div>

  )
}
export default renderDom 

import { ref } from "vue"

let flag = ref<Boolean>(true)
const renderDom = () => {
  // 注意點：在tsx之中 不會自動讀寫 X.value
  return (
    <div>
      <div v-show={flag}>我是true</div>
      <div v-show={!flag}>我是flase</div>
      <div>
        {
          flag ? <div>我是true</div> : <div>我是flase</div>
        }
      </div>
    </div>

  )
}

export default renderDom 

import { reactive, ref } from "vue"

let arr = reactive<Number[]>([1,2,3])
const renderDom = () => {
  return (
    <div>
      <div>
        {
          arr.map((item,idx)=>{
            return(
              <div key={idx}>{ item }</div>
            ) 
          })
        }
      </div>
    </div>

  )
}
export default renderDom 

import { reactive, ref } from "vue"

let arr = reactive<Number[]>([1,2,3])
const renderDom = () => {
  return (
    <div>
      <div>
        {
          arr.map((item,idx)=>{
            return(
              <div key={idx} data-index={idx}>{ item }</div>
            ) 
          })
        }
      </div>
    </div>

  )
}

export default renderDom 

import { reactive, ref } from "vue"

let arr = reactive<Number[]>([1,2,3])
const renderDom = () => {
  return (
    <div>
      <div>
        {
          arr.map((item,idx)=>{
            return(
              // <div key={idx} data-index={idx} onClick={TestClick}>{ item }</div> // 沒有傳參
              // <div key={idx} data-index={idx} onClick={TestClick()}>{ item }</div> // 直接呼叫
              <div key={idx} data-index={idx} onClick={TestClick.bind(this,item)}>{ item }</div>
            ) 
          })
        }
      </div>
    </div>

  )
}
const TestClick = (item)=>{
  console.log("111",item);
  
}

export default renderDom 

<template>
  <renderDom :title="title" />
</template>

<script setup lang="ts">
import { ref } from 'vue'
import renderDom from './App.tsx'
let title = ref<String>('我是測試的t')
</script>

import { reactive, ref } from "vue"

type Props = {
  title : string
}
const renderDom = (props:Props) => {
  return (
    <div>
      <div>我是title - { props.title }</div>
    </div>

  )
}
export default renderDom 

import { reactive, ref } from "vue"

type Props = {
  title : string
}
let arr = reactive<number[]>([11,22,33])
// props是接受父元件傳遞來的值，ctx：為上下文物件
const renderDom = (props:Props,ctx:any) => {
  return (
    <div>
      <div>我是title - { props.title }</div>
      <div>
        {
          arr.map((item,idx)=>{
            return (
              <div onClick={ itemClick.bind(this,ctx,item) }>{  item }</div>
            )
          })
        }
      </div>
    </div>

  )
}
// 點選事件
const itemClick = (ctx:any,item:any)=>{
  ctx.emit("on-click",item) // 使用ctx之中的emit發射事件，給父元件傳遞資料
}

export default renderDom 

<template>
  <!-- <Layout></Layout> -->
  <renderDom :title="title" @on-click="getData" />
</template>

<script setup lang="ts">
// import Layout from './layout/Layout.vue'
import { ref } from 'vue'
import renderDom from './App.tsx'
let title = ref<String>('我是測試的t')
// 接受子元件 自定義事件 傳遞來的資料
const getData = (parmas) => {
  console.log('getData', parmas)
}
</script>