<template>
 <textarea ref="mycode" class="codesql" v-model="code" style="height:200px;width:600px;"></textarea>
</template>
<script>
import "codemirror/theme/ambiance.css";
import "codemirror/lib/codemirror.css";
import "codemirror/addon/hint/show-hint.css";
let CodeMirror = require("codemirror/lib/codemirror");
require("codemirror/addon/edit/matchbrackets");
require("codemirror/addon/selection/active-line");
require("codemirror/mode/sql/sql");
require("codemirror/addon/hint/show-hint");
require("codemirror/addon/hint/sql-hint");
 export default {
   name: "codeMirror",
  data () {
   return {
    code: '//按Ctrl键进行代码提示'
   }
  },
  mounted () {
   debugger
   let mime = 'text/x-mariadb'
   //let theme = 'ambiance'//设置主题，不设置的会使用默认主题
   let editor = CodeMirror.fromTextArea(this.$refs.mycode, {
    mode: mime,//选择对应代码编辑器的语言，我这边选的是数据库，根据个人情况自行设置即可
    indentWithTabs: true,
    smartIndent: true,
    lineNumbers: true,
    matchBrackets: true,
    //theme: theme,
    // autofocus: true,
    extraKeys: {'Ctrl': 'autocomplete'},//自定义快捷键
    hintOptions: {//自定义提示选项
     tables: {
      users: ['name', 'score', 'birthDate'],
      countries: ['name', 'population', 'size']
     }
    }
   })
   //代码自动提示功能，记住使用cursorActivity事件不要使用change事件，这是一个坑，那样页面直接会卡死
   editor.on('cursorActivity', function () {
    editor.showHint()
   })
  }
 }
</script>
<style>
.codesql {
  font-size: 11pt;
  font-family: Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif;
 }
</style>