欠条生成

复制from fpdf import FPDF
from datetime import date

class IOU(FPDF):
    def iou_pdf(self, lender, borrower, amount, reason, due_date):
        self.add_page()
        self.set_font('Helvetica', 'B', 16)
        self.cell(0, 10, 'IOU (Promissory Note)', new_x="LMARGIN", new_y="NEXT", align='C')
        self.set_font('Helvetica', '', 12)
        self.ln(10)
        self.cell(0, 8, f'Date: {date.today().isoformat()}', new_x="LMARGIN", new_y="NEXT")
        self.cell(0, 8, f'I, {borrower}, acknowledge receipt of', new_x="LMARGIN", new_y="NEXT")
        self.cell(0, 8, f'${amount:.2f} from {lender}.', new_x="LMARGIN", new_y="NEXT")
        self.cell(0, 8, f'Purpose: {reason}', new_x="LMARGIN", new_y="NEXT")
        self.cell(0, 8, f'Due date: {due_date}', new_x="LMARGIN", new_y="NEXT")
        self.ln(10)
        self.cell(0, 8, 'Signature: ___________________', new_x="LMARGIN", new_y="NEXT")
        self.cell(0, 8, f'({borrower})', new_x="LMARGIN", new_y="NEXT")

pdf = IOU()
pdf.iou_pdf('Alice', 'Bob', 1500.00, 'rent deposit', '2025-06-01')
pdf.output('iou.pdf')
print('Generated iou.pdf')

复制package main

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

func main() {
	lender := "Alice"
	borrower := "Bob"
	amount := 1500.00
	reason := "rent deposit"
	dueDate := "2025-06-01"

	pdf := gofpdf.New("P", "mm", "A4", "")
	pdf.AddPage()
	pdf.SetFont("Helvetica", "B", 16)
	pdf.CellFormat(0, 10, "IOU (Promissory Note)", "", 1, "CM", false, 0, "")
	pdf.SetFont("Helvetica", "", 12)
	pdf.Ln(10)
	pdf.CellFormat(0, 8, fmt.Sprintf("Date: %s", time.Now().Format("2006-01-02")), "", 1, "LM", false, 0, "")
	pdf.CellFormat(0, 8, fmt.Sprintf("I, %s, acknowledge receipt of", borrower), "", 1, "LM", false, 0, "")
	pdf.CellFormat(0, 8, fmt.Sprintf("$%.2f from %s.", amount, lender), "", 1, "LM", false, 0, "")
	pdf.CellFormat(0, 8, fmt.Sprintf("Purpose: %s", reason), "", 1, "LM", false, 0, "")
	pdf.CellFormat(0, 8, fmt.Sprintf("Due date: %s", dueDate), "", 1, "LM", false, 0, "")
	pdf.Ln(10)
	pdf.CellFormat(0, 8, "Signature: ___________________", "", 1, "LM", false, 0, "")
	pdf.CellFormat(0, 8, fmt.Sprintf("(%s)", borrower), "", 1, "LM", false, 0, "")

	err := pdf.OutputFileAndClose("iou.pdf")
	if err != nil {
		panic(err)
	}
	fmt.Println("Generated iou.pdf")
}

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

function generateIOU(lender, borrower, amount, reason, dueDate) {
  const doc = new PDFDocument();
  doc.pipe(fs.createWriteStream('iou.pdf'));

  doc.fontSize(16).text('IOU (Promissory Note)', { align: 'center' });
  doc.moveDown();
  doc.fontSize(12);
  doc.text(`Date: ${new Date().toISOString().slice(0, 10)}`);
  doc.text(`I, ${borrower}, acknowledge receipt of`);
  doc.text(`$${amount.toFixed(2)} from ${lender}.`);
  doc.text(`Purpose: ${reason}`);
  doc.text(`Due date: ${dueDate}`);
  doc.moveDown();
  doc.text('Signature: ___________________');
  doc.text(`(${borrower})`);

  doc.end();
  console.log('Generated iou.pdf');
}

generateIOU('Alice', 'Bob', 1500.00, 'rent deposit', '2025-06-01');