vue3數據變化和數據解包


在vue3中和vue2中數據會有所不一樣,不一樣的地方在於數據的寫法和變化

在vue3中數據的變化是需要用到reactive的

在父級中引入

inport{ toRefs, reactive} from "vue

數據:

set(){

  const  data=reactive({

    resource:[

      

 {
                    _id:"1",
                    title:"新聞1",
                    description:"新聞新聞",
                    type:"video",
                    link:""
                },
                {
                    _id:"2",
                    title:"新聞2",
                    description:"新聞新聞",
                    type:"video2",
                    link:""
                },
                {
                    _id:"3",
                    title:"新聞3",
                    description:"新聞新聞",
                    type:"video3",
                    link:""
                },
                {
                    _id:"4",
                    title:"新聞4",
                    description:"新聞新聞4",
                    type:"video",
                    link:""
                },
                {
                    _id:"5",
                    title:"新聞5",
                    description:"新聞新聞5",
                    type:"video",
                    link:""
                },
                {
                    _id:"6",
                    title:"新聞6",
                    description:"新聞新聞6",
                    type:"video",
                    link:""
                },
                {
                    _id:"7",
                    title:"新聞7",
                    description:"新聞新聞7",
                    type:"video",
                    link:""
                }

    ]

  })

  return{ .../toRefs(data)}

}

聲明:

  1.數據是需要用到reactive的  完整的寫法就是  import  {reactive} from 'vue'

  2.數據解包:是需要用到toRefs  完整的寫法就是 import{ toRefs} from "vue"

  3.   .../toRefs(data)是解包數據的   因為上述的寫法在沒有使用解包.../toRefs(data)的時候。調用數據是寫成2data.resource,當解包之后可以直接獲取數據resource

 

 


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