借条生成

复制from reportlab.lib.pagesizes import A4
from reportlab.pdfgen import canvas
from reportlab.lib.units import mm

# 生成一份符合法定要素的借条 PDF
def generate_iou_pdf(output_path, lender, borrower, amount_cn, amount_num, date, rate, repay_date):
    c = canvas.Canvas(output_path, pagesize=A4)
    width, height = A4
    
    # 标题
    c.setFont("Helvetica-Bold", 18)
    c.drawString(50, height - 50, "借条")
    
    # 正文（含法定要素：出借人、借款人、金额、利率、还款日期）
    c.setFont("Helvetica", 12)
    text = f"今向 {lender} 借到人民币 {amount_cn}（¥{amount_num}）"
    c.drawString(50, height - 100, text)
    text2 = f"借款年利率 {rate}%，于 {repay_date} 前还清。"
    c.drawString(50, height - 120, text2)
    
    # 借款人签名
    c.drawString(50, height - 160, f"借款人：{borrower}")
    c.drawString(50, height - 180, f"日期：{date}")
    
    c.save()
    return output_path

# 示例调用
generate_iou_pdf(
    output_path="借条.pdf",
    lender="张三",
    borrower="李四",
    amount_cn="壹万元整",
    amount_num="10000.00",
    date="2025-01-01",
    rate="5",
    repay_date="2025-12-31"
)
print("PDF 已生成：借条.pdf")

复制package main

import (
	"fmt"
	"github.com/jung-kurt/gofpdf"
)

// 生成借条 PDF（含法定要素）
func main() {
	pdf := gofpdf.New("P", "mm", "A4", "")
	pdf.AddPage()

	// 标题
	pdf.SetFont("Helvetica", "B", 18)
	pdf.CellFormat(0, 10, "借条", "", 1, "C", false, 0, "")

	// 正文
	pdf.SetFont("Helvetica", "", 12)
	lender := "张三"
	borrower := "李四"
	amountCn := "壹万元整"
	amountNum := "10000.00"
	rate := "5"
	date := "2025-01-01"
	repayDate := "2025-12-31"

	line1 := fmt.Sprintf("今向 %s 借到人民币 %s（¥%s）", lender, amountCn, amountNum)
	line2 := fmt.Sprintf("借款年利率 %s%%，于 %s 前还清。", rate, repayDate)
	pdf.CellFormat(0, 10, line1, "", 1, "L", false, 0, "")
	pdf.CellFormat(0, 10, line2, "", 1, "L", false, 0, "")

	// 签名
	pdf.CellFormat(0, 10, fmt.Sprintf("借款人：%s", borrower), "", 1, "L", false, 0, "")
	pdf.CellFormat(0, 10, fmt.Sprintf("日期：%s", date), "", 1, "L", false, 0, "")

	err := pdf.OutputFileAndClose("借条.pdf")
	if err != nil {
		panic(err)
	}
	fmt.Println("PDF 已生成：借条.pdf")
}

复制const PDFDocument = require('pdfkit');
const fs = require('fs');

// 生成借条 PDF（Node.js 环境）
function generateIouPDF(outputPath, { lender, borrower, amountCn, amountNum, date, rate, repayDate }) {
  const doc = new PDFDocument();
  const stream = fs.createWriteStream(outputPath);
  doc.pipe(stream);

  // 标题
  doc.fontSize(18).text('借条', { align: 'center' });

  // 正文
  doc.fontSize(12);
  doc.text(`今向 ${lender} 借到人民币 ${amountCn}（¥${amountNum}）`);
  doc.text(`借款年利率 ${rate}%，于 ${repayDate} 前还清。`);

  // 签名
  doc.text(`借款人：${borrower}`);
  doc.text(`日期：${date}`);

  doc.end();

  stream.on('finish', () => {
    console.log('PDF 已生成：', outputPath);
  });
}

// 示例调用
generateIouPDF('借条.pdf', {
  lender: '张三',
  borrower: '李四',
  amountCn: '壹万元整',
  amountNum: '10000.00',
  date: '2025-01-01',
  rate: '5',
  repayDate: '2025-12-31'
});