إنشاء ملفات PDF عبر Free JavaScript API

قم بتثبيت PDFMake عبر npm

npm install pdfmake --save

يحتوي @ types / pdfmake على أنواع pdfmake لتجنب أخطاء الكتابة.

npm install @types/pdfmake --save-dev

قم بتثبيت pdfmake-wrapper عبر npm <

npm install pdfmake-wrapper --save

كيفية إنشاء ملف PDF من HTML عبر JavaScript

html2canvas(document.getElementById('exportthis'), {
  onrendered: function (canvas) {
    var data = canvas.toDataURL();
    var docDefinition = {
      content: [{
        image: data,
        width: 500,
      }]
    };
    pdfMake.createPdf(docDefinition).download("Score_Details.pdf");
  }
});

كيفية دمج الأعمدة في جداول PDF عبر JS API؟

new Table([
    [
        new Txt('Name').bold().end,
        new Txt('Address').bold().end,
        new Txt('Email').bold().end,
        new Txt('Phone').bold().end
    ],
    [new Cell(new Txt('A').end).colSpan(4).end, null, null, null],
    ['Anastasia', 'Some direction 1', 'anastasia@domain.com', '123 4566 187'],
    ['Alexander', 'Some direction 2', 'alexander@domain.com', '123 4566 187'],
    [new Cell(new Txt('C').end).colSpan(4).end, null, null, null],
    ['Clementine', 'Some direction 3', 'clementine@domain.com', '123 4566 187'],
    ['Chelsey', 'Some direction 4', 'chelsey@domain.com', '123 4566 187'],
    [new Cell(new Txt('N').end).colSpan(4).end, null, null, null],
    ['Nicholas', 'Some direction 5', 'nicholas@domain.com', '123 4566 187'],
])
.widths(...)
.heights(...)
.end;

ارسم خطًا داخل PDF عبر JavaScript

import { Line } from '../../../src';
describe('Line definition class', () => {
    it('should be instanced', () => {
        const line = new Line(10, 10);
        expect( line.end ).toBeTruthy();
    });
    it('should be a simple line', () => {
        const line = new Line(10, 10).end;
        expect( line ).toEqual({ 
            type: 'line',
            x1: 10,
            y1: 10,
            x2: 10,
            y2: 10
        });
    });
    it('should be a line vector with full properties', () => {
        const line = new Line(10, 10)
            .color('red')
            .dash(5)
            .fillOpacity(0.1)
            .lineColor('blue')
            .lineWidth(3)
            .linearGradient(['green', 'yellow'])
            .lineCap('round')
            .end;
        expect( line ).toEqual({ 
            type: 'line',
            x1: 10,
            y1: 10,
            x2: 10,
            y2: 10,
            color: 'red',
            dash: { length: 5 },
            fillOpacity: 0.1,
            lineColor: 'blue',
            lineWidth: 3,
            linearGradient: ['green', 'yellow'],
            lineCap: 'round'
        });
    });
});