一个用于处理 PDF 文件的 JavaScript 库，能够从 PDF 文件中移除敏感文本。通过绘制矩形覆盖指定位置的文本，从而确保敏感信息不会被泄露。 A JavaScript library for processing PDF files that can remove sensitive text from PDF documents. It covers specified text locations with rectangles to ensure sensitive informatio
npm install pdf-sanitizerpdf-sanitizer 是一个用于处理 PDF 文件的 JavaScript 库，能够从 PDF 文件中移除敏感文本。通过绘制矩形覆盖指定位置的文本，从而确保敏感信息不会被泄露。
pdf-sanitizer is a JavaScript library for processing PDF files that can remove sensitive text from PDF documents. It covers specified text locations with rectangles to ensure sensitive information is not exposed.
bash
npm install pdf-sanitizer
`
使用 / Usage
以下是一个简单的示例，展示如何使用 sanitizePdf 函数：
Here’s a simple example demonstrating how to use the sanitizePdf function:
`javascript
const fs = require('fs');
const sanitizePdf = require('sanitize-pdf');
(async () => {
const inputBuffer = fs.readFileSync('input.pdf');
const options = [
{
textX: 50,
textY: 100,
textHeight: 20,
textWidth: 200,
color: { r: 1, g: 1, b: 1 },
pageNumbers: [1] // 处理第一页
}
];
const outputBuffer = await sanitizePdf(inputBuffer, options);
fs.writeFileSync('output.pdf', outputBuffer);
})();
`
API
$3
- 参数 / Parameters:
- inputBuffer: Buffer - 输入的 PDF 文件的 Buffer。/ The input PDF file as a Buffer.
- options: Array - 参数数组，每个元素是一个对象，包含以下属性：/ An array of options, each being an object with the following properties:
- textX: number - 文本的 X 坐标。/ The X coordinate of the text.
- textY: number - 文本的 Y 坐标（相对于页面的高度）。/ The Y coordinate of the text (relative to the height of the page).
- textHeight: number - 文本的高度。/ The height of the text.
- textWidth: number - 文本的宽度。/ The width of the text.
- color: Object - 绘制矩形的颜色，格式为 { r: number, g: number, b: number }（默认值为白色）。/ The color of the rectangle to draw, formatted as { r: number, g: number, b: number } (default is white).
- pageNumbers: Array - 可选页码数组，指定要处理的页码（从 1 开始）。/ An optional array of page numbers specifying which pages to process (starting from 1).
- 返回值 / Return Value: Uint8Array - 输出处理后的 PDF 文件的 Uint8Array。/ The output processed PDF file as a Uint8Array.
$3
以下是一个简单的示例，展示如何使用 sanitizePdf 函数：
Here’s a simple example demonstrating how to use the sanitizePdf function:
`javascript
const fs = require('fs');
const sanitizePdf = require('sanitize-pdf');
(async () => {
const inputBuffer = fs.readFileSync('input.pdf');
const options = [
{
textX: 50,
textY: 100,
textHeight: 20,
textWidth: 200,
color: { r: 1, g: 1, b: 1 },
pageNumbers: [1] // 处理第一页
}
];
const outputBuffer = await sanitizePdf(inputBuffer, options);
fs.writeFileSync('output.pdf', outputBuffer);
})();
``