angular 将数据导出excel表格

下载

 npm install @types/exceljs @types/file-saver  file-saver -S
 

疑问为什么下载了 @types/file-saver ,还下载后面的

因为会报错,不信自己试试,后面发现再下载 file-saver 能解决问题

上代码

 import {Component, OnInit} from '@angular/core';
import {Workbook} from 'exceljs';
import { saveAs } from 'file-saver';
@Component({
  selector: 'app-count-down',
  templateUrl: './count-down.component.html',
  styleUrls: ['./count-down.component.scss']
})
export class CountDownComponent implements OnInit {
  // 创建一个名字和年龄的数据
  json_data = [{
    "name": "Raja",
    "age": 20
  },
    {
      "name": "Mano",
      "age": 40
    },
    {
      "name": "Tom",
      "age": 40
    },
    {
      "name": "Devi",
      "age": 40
    },
    {
      "name": "Mango",
      "age": 40
    }
  ]

  constructor() {
  }

  ngOnInit(): void {
  }
	// 节点按钮直接下载
  downloadExcel() {
    // 创建工作薄
    let workbook = new Workbook();
    // 将名字添加到工作薄中
    let worksheet = workbook.addWorksheet('名字年龄表格')
    // 添加行的标题
    let header = ['名字', '年龄']
    worksheet.addRow(header);
    // 把数据按照一行一行添加到里面去
    for (let item of this.json_data) {
      worksheet.addRow(Object.values(item))
    }
    // 下载文件名
    let fname = '个人资料统计表';
    workbook.xlsx.writeBuffer().then(data => {
      let blob=new Blob([data],{ type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
      saveAs(blob, fname+'-'+new Date().valueOf()+'.xlsx');
    })
  }
}

 

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