Application of filters

• Interpolation expressions in the application

{{scope.row.createTime | formatDateTime}}

filters: {
  formatDateTime(time) {
    if (time == null || time === ' ') {
      return 'N/A';
    }
    let date = new Date(time);
    return formatDate(date, 'yyyy-MM-dd hh:mm:ss')}},Copy the code

Cannot use await in $confirm then()

Asynchronous requests in $confirm then

In $confirm, some operations need to be performed after clicking OK. At the beginning, I wrote it directly in front of methods. Can not use keyword ‘await’ outside an async function Can not use keyword ‘await’ outside an async function Put async inside then()

El-select Is used with value-key=”id” and the command output is displayed

Project back end to the current option id and name, so passing through the following way, refer to the address: www.cnblogs.com/yxkNotes/p/…

 <el-form-item label="Feedback content">
        <el-select v-model="fankui_contentobj" class="shutiao" value-key="id" @change="selectSubjectItem($event)">
          <el-option v-for="item in fkcontentType" :key="item.id" :label="item.name" :value="item" />
        </el-select>
</el-form-item>
data() {
    return {
        fankui_contentobj: { id: ' ' }, // select value-key="id}}methods: {init(){/ / echo
        for (const key in this.form) {
            this.form[key] = this.info[key]
          }
        // Handle the content and type of feedback
          this.fankui_contentobj.id = this.info.fankui_content
    },
    selectSubjectItem(event) {
      console.log('event', event)
      this.form.fankui_content = event.id
      this.form.fankui_content_text = event.name
    },
}

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JSON

Parse (STR) var obj = json.parse (STR)

Var STR = json.stringify (obj)

Parse (json.stringify (obj))

The use of vuex

The interface is repeatedly fetched for each page of people, so the requested data is placed in vuEX

Method 1:

Method 2:

Mobile debugging tool – Eruda.js

The communication mode of Vue sibling components can be eventBus

www.cnblogs.com/wjw1014/p/1…

Life cycle order of vUE parent components, index list

Created: created Mounted index created list created list mounted index created

Update: Update index beforeUpdate List beforeUpdate List updated index updated

Destroyed: Destroyed Index befordeStory list beforedeStory list destroyed Index

ElementUI Date picker quick selection (today, yesterday, this week last week, this month last month, 1234 quarter)

Blog.csdn.net/qq_43440659…