(精华)2020年7月17日 vue CodeMirrorr+json-lint实现Json编辑器

<template>
  <div class="json-editor">
    <textarea ref="textarea" />
  </div>
</template>

<script>
import CodeMirror from 'codemirror'
import 'codemirror/addon/lint/lint.css'
import 'codemirror/lib/codemirror.css'
import 'codemirror/theme/rubyblue.css'
require('script-loader!jsonlint')
import 'codemirror/mode/javascript/javascript'
import 'codemirror/addon/lint/lint'
import 'codemirror/addon/lint/json-lint'

export default {
     
  name: 'JsonEditor',
  /* eslint-disable vue/require-prop-types */
  props: ['value'],
  data() {
     
    return {
     
      jsonEditor: false
    }
  },
  watch: {
     
    value(value) {
     
      const editorValue = this.jsonEditor.getValue()
      if (value !== editorValue) {
     
        this.jsonEditor.setValue(JSON.stringify(this.value, null, 2))
      }
    }
  },
  mounted() {
     
    this.jsonEditor = CodeMirror.fromTextArea(this.$refs.textarea, {
     
      lineNumbers: true,
      mode: 'application/json',
      gutters: ['CodeMirror-lint-markers'],
      theme: 'rubyblue',
      lint: true
    })

    this.jsonEditor.setValue(JSON.stringify(this.value, null, 2))
    this.jsonEditor.on('change', cm => {
     
      this.$emit('changed', cm.getValue())
      this.$emit('input', cm.getValue())
    })
  },
  methods: {
     
    getValue() {
     
      return this.jsonEditor.getValue()
    }
  }
}
</script>

<style lang="scss" scoped>
.json-editor {
     
  height: 100%;
  position: relative;

  ::v-deep {
     
    .CodeMirror {
     
      height: auto;
      min-height: 300px;
    }

    .CodeMirror-scroll {
     
      min-height: 300px;
    }

    .cm-s-rubyblue span.cm-string {
     
      color: #F08047;
    }
  }
}
</style>

<template>
  <div class="components-container">
    <aside>Json-Editor is base on <a href="https://github.com/codemirror/CodeMirror" target="_blank">CodeMirrorr</a>. Lint
      base on <a
        href="https://github.com/codemirror/CodeMirror/blob/master/addon/lint/json-lint.js"
        target="_blank"
      >json-lint</a>.</aside>
    <div class="editor-container">
      <json-editor ref="jsonEditor" v-model="value" />
    </div>
  </div>
</template>

<script>
import JsonEditor from '@/components/JsonEditor'

const jsonData = '[{"items":[{"market_type":"forexdata","symbol":"XAUUSD"},{"market_type":"forexdata","symbol":"UKOIL"},{"market_type":"forexdata","symbol":"CORN"}],"name":""},{"items":[{"market_type":"forexdata","symbol":"XAUUSD"},{"market_type":"forexdata","symbol":"XAGUSD"},{"market_type":"forexdata","symbol":"AUTD"},{"market_type":"forexdata","symbol":"AGTD"}],"name":"贵金属"},{"items":[{"market_type":"forexdata","symbol":"CORN"},{"market_type":"forexdata","symbol":"WHEAT"},{"market_type":"forexdata","symbol":"SOYBEAN"},{"market_type":"forexdata","symbol":"SUGAR"}],"name":"农产品"},{"items":[{"market_type":"forexdata","symbol":"UKOIL"},{"market_type":"forexdata","symbol":"USOIL"},{"market_type":"forexdata","symbol":"NGAS"}],"name":"能源化工"}]'

export default {
     
  name: 'JsonEditorDemo',
  components: {
      JsonEditor },
  data() {
     
    return {
     
      value: JSON.parse(jsonData)
    }
  }
}
</script>

<style scoped>
.editor-container{
     
  position: relative;
  height: 100%;
}
</style>