TCPDF是一个PHP库，设计生成，而不需要外部扩展的PDF文件。他支持 UTF-8, Unicode, RTL 语言, XHTML, Javascript, digital signatures, barcodes 或更多。
TCPDF 5.0.099更新日志：
* no external libraries are required for the basic functions;
* all standard page formats, custom page formats, custom margins and units of measure;
* UTF-8 Unicode and Right-To-Left languages;
* TrueTypeUnicode, OpenTypeUnicode, TrueType, OpenType, Type1 and CID-0 fonts;
* font subsetting;
* methods to publish some XHTML + CSS code, Javascript and Forms;
* images, graphic (geometric figures) and transformation methods;
* supports JPEG, PNG and SVG images natively, all images supported by GD (GD, GD2, GD2PART, GIF, JPEG, PNG, BMP, XBM, XPM) and all images supported via ImagMagick (http: www.imagemagick.org/www/formats.html)
* 1D and 2D barcodes: CODE 39, ANSI MH10.8M-1983, USD-3, 3 of 9, CODE 93, USS-93, Standard 2 of 5, Interleaved 2 of 5, CODE 128 A/B/C, 2 and 5 Digits UPC-Based Extention, EAN 8, EAN 13, UPC-A, UPC-E, MSI, POSTNET, PLANET, RMS4CC (Royal Mail 4-state Customer Code), CBC (Customer Bar Code), KIX (Klant index - Customer index), Intelligent Mail Barcode, Onecode, USPS-B-3200, CODABAR, CODE 11, PHARMACODE, PHARMACODE TWO-TRACKS, QR-Code, PDF417;
* Grayscale, RGB, CMYK, Spot Colors and Transparencies;
* automatic page header and footer management;
* document encryption up to 256 bit and digital signature certifications;
* transactions to UNDO commands;
* PDF annotations, including links, text and file attachments;
* text rendering modes (fill, stroke and clipping);
* multiple columns mode;
* no-write page regions;
* bookmarks, named destinations and table of content;
* text hyphenation;
* text stretching and spacing (tracking/kerning);
* automatic page break, line break and text alignments including justification;
* automatic page numbering and page groups;
* move and delete pages;
* page compression (requires php-zlib extension);
* XOBject Templates;
安装说明：
1。复制您的文件夹中的数据到Web服务器
2。设置confit/tcpdf_config.php文件中的安装路径和其他参数
3。在您的浏览器中访问examples/example_001.php，测试实例
下载地址：
支持PHP5：http://sourceforge.net/projects/tcpdf/files/tcpdf_5_9_099.zip/download
支持PHP4：http://sourceforge.net/projects/tcpdf/files/tcpdf_5_9_099_php4.zip/download