vue中使用xlsx插件导出多sheet excel实现方法

安装xlsx，一定要注意版本： 

npm i xlsx@0.17.0 -S

package.json：

{
  "name": "hello-world",
  "version": "0.1.0",
  "private": true,
  "scripts": {
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build"
  },
  "dependencies": {
    "element-ui": "^2.15.12",
    "file-saver": "^2.0.5",
    "vue": "^2.6.11",
    "vue-router": "^3.2.0",
    "xlsx": "^0.17.0"
  },
  "devDependencies": {
    "@vue/cli-plugin-babel": "~4.5.0",
    "@vue/cli-plugin-router": "~4.5.0",
    "@vue/cli-plugin-vuex": "~4.5.0",
    "@vue/cli-service": "~4.5.0",
    "babel-plugin-component": "^1.1.1",
    "less": "^3.0.4",
    "less-loader": "^5.0.0",
    "vue-cli-plugin-element": "^1.0.1",
    "vue-template-compiler": "^2.6.11"
  }
}

App.vue：