在这个示例中,当用户点击“导出为JSON文件”按钮时,exportToJson方法会被调用,并生成一个包含对象数组的JSON文件供用户下载。
template></el-table-column></el-table></el-row></template>import{export_json_to_excel}from"@/vendor/Export2Excel";importXlsxfrom'xlsx'exportdefault{name:'HelloWorld',data(){return{msg:'导入导出测试',listData:[{name:"小明",age:30},{name:"小张",age:25},{name:"小李",age:29}],list...
export default defineComponent({ // 启用了类型推导 props: { name: String, msg: { type: String, required: true } }, data() { return { count: 1 } }, mounted() { // 类型:string | undefined this.msg // 类型:string this.count // 类型:number } }) 1. 2. 3. 4. 5. 6. 7....
const app = Vue.createApp({ data() { return { count: 4 } } }) const vm = app.mount('#app') console.log(vm.$data.count) // => 4 console.log(vm.count) // => 4 //为vm.count赋值时同时会更新$data.count vm.count = 5 console.log(vm.$data.count) // => 5 //反之一样 ...
使用选项式 API,我们可以用包含多个选项的对象来描述组件的逻辑,例如data、methods和mounted。选项所定义的属性都会暴露在函数内部的this上,它会指向当前的组件实例。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 exportdefault{// data() 返回的属性将会成为响应式的状态// 并且暴露在 `this` 上data(){re...
1. Import and register the vue3-json-excel component. import { createApp } from 'vue' const app = createApp({}) import JsonExcel from "vue-json-excel3"; app.component("downloadExcel", JsonExcel); 2. Add the download-excel component to your template and define your JSON data as follo...
代码语言:markdown AI代码解释 <template>Load Data<pv-for="item in data":key="item.id">{{ item.name }}</template>import{ref,watch}from'vue'exportdefault{setup(){constdata=ref([]
Download excel file from json data Get Started (Bắt đầu) npm i vue-3-export-excel How to use the library in vue (Cách sử dụng thư viện trong vue) import { createApp } from 'vue' import ExportExcel from 'vue-3-export-excel' const app = createApp(App) app...
}exportconstexportTreeToExcel=(data:any[],filename:string)=> {// 将树形数据展平constflattenedData =flattenTreeData(data);// 将平面数据转换为工作表constws =XLSX.utils.json_to_sheet(flattenedData);// 创建一个新的工作簿constwb =XLSX.utils.book_new();XLSX.utils.book_append_sheet(wb, ws,...
import {h} from 'vue'//向下兼容,可以写入vue2中的data配置项module default {name: 'App',setup(){//数据let name = '张三',let age = 18,//方法function sayHello(){console.log(name)},//f返回一个对象(常用)return {name,age,sayHello}//返回一个函数(渲染函数)//return () => {return h(...