workbook2blob (workbook) {
        // 生成excel的配置项
        var wopts = {
          // 要生成的文件类型
          bookType: 'xlsx',
          // // 是否生成Shared String Table,官方解释是,如果开启生成速度会下降,但在低版本IOS设备上有更好的兼容性
          bookSST: false,
          type: 'binary'
        }
        var wbout = XLSX.write(workbook, wopts)
        // 将字符串转ArrayBuffer
        function s2ab (s) {
          var buf = new ArrayBuffer(s.length)
          var view = new Uint8Array(buf)
          for (var i = 0; i !== s.length; ++i) view[i] = s.charCodeAt(i) & 0xff
          return buf
        }
        let buf = s2ab(wbout)
        var blob = new Blob([buf], {
          type: 'application/octet-stream'
        })
        return blob
      },

      // 将blob对象 创建bloburl,然后用a标签实现弹出下载框
      openDownloadDialog (blob, fileName) {
        if (typeof blob === 'object' && blob instanceof Blob) {
          blob = URL.createObjectURL(blob) // 创建blob地址
        }
        var aLink = document.createElement('a')
        aLink.href = blob
        // HTML5新增的属性,指定保存文件名,可以不要后缀,注意,有时候 file:///模式下不会生效
        aLink.download = fileName || ''
        var event
        if (window.MouseEvent) event = new MouseEvent('click')
        //   移动端
        else {
          event = document.createEvent('MouseEvents')
          event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null)
        }
        aLink.dispatchEvent(event)
      },
      exportBtn () {
        this.exportExcel()
      },
      exportExcel () {
        let sheet1data = [{ 部门: '行政部', 数量: 2 }, { 部门: '前端部', 数量: 3 }]
        let sheet2data = [{ 姓名: '张三', 事件: '整理文件' }, { 姓名: '李四', 事件: '打印' }]
        let sheet3data = [{ 名称: '王五', 工种: 'Vue' }, { 名称: '二楞', 工种: 'react' }]
        var sheet1 = XLSX.utils.json_to_sheet(sheet1data)
        var sheet2 = XLSX.utils.json_to_sheet(sheet2data)
        var sheet3 = XLSX.utils.json_to_sheet(sheet3data)
        console.log(sheet1, sheet2, sheet3, 'sheet123')
        // 创建一个新的空的workbook
        var wb = XLSX.utils.book_new()
        XLSX.utils.book_append_sheet(wb, sheet1, '部门统计')
        XLSX.utils.book_append_sheet(wb, sheet2, '行政部')
        XLSX.utils.book_append_sheet(wb, sheet3, '前端部')
        const workbookBlob = this.workbook2blob(wb)
        this.openDownloadDialog(workbookBlob, '部门统计.xls')
      },

三个方法,贴进去就可以用,搞个button调用exportBtn 就完事
是基于vue,需要引入对应依赖包XLSX
下载方法
terminal里面输入

npm install xlsx --save

然后在头部引入

import XLSX from 'xlsx';

完事

Logo

前往低代码交流专区

更多推荐