SOURCE

var app = new Vue({
    el: '#app',
    data: {
      message: 'Hello Vue!',
      fixStr: [],
      str: '',
      fixInx: '',
      arrShow: ''
    },
    methods: {
        clickTest () {
            let a = this.str
            let b = a.replace(/\s*/g,"")
            let c = b.split(',')
            let d = []
            c.map((item) => {
                let e = item
                let start = 1
                let end = e.indexOf(':') -1
                let fixStrart = "{{$t('"+ this.fixInx +"."
                let fixEnd = "')}}"
                let fixJSA = "this.$t('"+ this.fixInx +"."
                let fixJSB = "')"
                let f = fixStrart + e.slice(start, end) + fixEnd
                let g = fixJSA + e.slice(start, end) + fixJSB
                let labelStr = `:label="$t('`+ this.fixInx +"."
                let labelEnd = `')"`
                let h = labelStr + e.slice(start, end) + labelEnd
                let plaStr = `:placeholder="$t('`+ this.fixInx +"."
                let plaEnd = `')"`
                let i = plaStr + e.slice(start, end) + plaEnd
                let j = ':label="`${$t(' + "'" + this.fixInx + "." + e.slice(start, end) + "')}：`" + '"'
                let fixOBj = {
                    fixVue: f,
                    fixJs: g,
                    label: h,
                    labelPoint: j,
                    pla: i,
                    fixCH: e.slice(e.indexOf(':')+ 2)
                }
                d.push(fixOBj)
            })
            this.fixStr = d
            this.arrShow = ""
        },
        clickArr () {
            let a = this.str
            let b = a.replace(/\[/g, "")
            let c = b.replace(/",/g, '": ')
            let d = c.replace(/\]/g, '')
            let e = d.replace(/\,/g, ',\n')
            this.arrShow = e
            this.fixStr = []
        },
        copyClick (str) {
            let cInput = document.createElement('input')
            cInput.value = str
            document.body.appendChild(cInput)
            cInput.select()
            document.execCommand('copy')
            cInput.remove()
        }
    }
})

<div id="app">
  处理数据<input v-model="str"></input>
  <button @click="clickTest">替换</button>
  <button @click="clickArr">数组替换</button>
  </br>
  前置：<input v-model="fixInx"></input>
  <div v-for="item in fixStr">
    <div>{{item.fixVue}}<button @click="copyClick(item.fixVue)">复制</button></div>
    <div>{{item.fixJs}}<button @click="copyClick(item.fixJs)">复制</button></div>
    <div>{{item.label}}<button @click="copyClick(item.label)">复制</button></div>
    <div>{{item.labelPoint}}<button @click="copyClick(item.labelPoint)">复制</button></div>
    <div>{{item.pla}}<button @click="copyClick(item.pla)">复制</button></div>
    <div>{{item.fixCH}}<button @click="copyClick(item.fixCh)">复制</button></div>
    </br>
  </div>
  <div style="white-space:pre">
      {{arrShow}}
  </div>
</div>