npm中使用xlsx0.13.5组件,如何修改excel单元格颜色,请用js提供几个例子
时间: 2024-05-03 19:20:23 浏览: 173
您好,关于您的问题,以下是几个使用xlsx组件修改Excel单元格颜色的示例:
1. 修改单个单元格背景颜色:
```javascript
const XLSX = require('xlsx');
const workbook = XLSX.read('test.xlsx');
const worksheet = workbook.Sheets['Sheet1'];
worksheet['A1'].s = {fill: {fgColor: {rgb: 'FF0000'}}}; // 修改 A1 单元格背景颜色为红色
XLSX.writeFile(workbook, 'new.xlsx');
```
2. 修改多个单元格背景颜色:
```javascript
const XLSX = require('xlsx');
const workbook = XLSX.readFile('test.xlsx');
const worksheet = workbook.Sheets['Sheet1'];
const range = XLSX.utils.decode_range(worksheet['!ref']);
for (let i = range.s.r; i <= range.e.r; i++) { // 遍历行
for (let j = range.s.c; j <= range.e.c; j++) { // 遍历列
const address = XLSX.utils.encode_cell({r: i, c: j});
worksheet[address].s = {fill: {fgColor: {rgb: 'FF0000'}}}; // 修改背景颜色为红色
}
}
XLSX.writeFile(workbook, 'new.xlsx');
```
3. 修改多个单元格背景颜色,根据条件判断:
```javascript
const XLSX = require('xlsx');
const workbook = XLSX.readFile('test.xlsx');
const worksheet = workbook.Sheets['Sheet1'];
const range = XLSX.utils.decode_range(worksheet['!ref']);
for (let i = range.s.r; i <= range.e.r; i++) { // 遍历行
for (let j = range.s.c; j <= range.e.c; j++) { // 遍历列
const address = XLSX.utils.encode_cell({r: i, c: j});
if (worksheet[address] && worksheet[address].v === 'Passed') { // 根据单元格内容判断是否需要修改颜色
worksheet[address].s = {fill: {fgColor: {rgb: '00FF00'}}}; // 修改背景颜色为绿色
}
}
}
XLSX.writeFile(workbook, 'new.xlsx');
```
希望以上示例可以帮到您。如果您有其他问题,欢迎继续提问。
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