前端表格解析方法

淡忘_cx2024-07-22 19:15

工具类文件

javascript 复制代码

// fileUtils.ts

import { ref } from 'vue';
import * as xlsx from 'xlsx';

interface RowData {
  [key: string]: any;
}

export const tableData = ref<RowData[]>([]);

export async function handleFileSelect(url: string): Promise<void> {
  try {
    const response = await fetch(url);
    const blob = await response.blob();
    const reader = new FileReader();

    reader.onload = (e: ProgressEvent<FileReader>) => {
      if (e.target && e.target.result) {
        const data = new Uint8Array(e.target.result as ArrayBuffer);
        const workbook = xlsx.read(data, { type: 'array' });

        const worksheet = workbook.Sheets[workbook.SheetNames[0]];
        const jsonData = xlsx.utils.sheet_to_json(worksheet, { header: 1 }) as any[][];

        // 提取标题并保持其顺序
        const headers = jsonData[0];
        console.log('Extracted Headers:', headers);

        // 处理行（从索引1开始跳过标题）
        jsonData.slice(1).forEach((row) => {
          const rowData: RowData = {};
          headers.forEach((header, index) => {
            rowData[header] = row[index];
          });
          tableData.value.push(rowData);
        });

        console.log('Processed Table Data:', tableData.value);
      }
    };

    reader.readAsArrayBuffer(blob);
  } catch (error) {
    console.error('获取或读取文件时出错:', error);
  }
}

调用方法

javascript 复制代码

const url ='https://xxxxx.xlsx';
    await handleFileSelect(url);