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导出PDF

SpreadJS支持PDF文件导出，即通过 savePDF 方法的 Workbook 类将工作簿（扩展名为.xlsx的Excel文件）导出PDF格式（扩展名为.pdf的文件）。

下表列出了 savePDF 方法的参数:

参数	描述
successCallback	导出到pdf操作成功后调用此函数。
errorCallback	发生错误时调用此函数。
options	导出PDF文件时，可以从以下选项中进行选择：
sheetIndex	通过指定要导出的表单索引，可以将工作簿中的特定表单导出PDF。如果未指定此参数，则默认情况下将导出所有可见的表单。

导出PDF操作使用 printInfo 对象进行页面设置，并支持SpreadJS中所有可用的打印功能。

有关自定义导出PDF文件的更多信息，请参见Custom PDF Export.

导出PDF文件时，您可以指定要嵌入到PDF文档中的字体。用户可以嵌入标准字体（下面列出）和自定义字体（通过注册新字体）以进行PDF导出。

有关如何在执行导出PDF操作时嵌入自定义字体的更多信息，请参见Use Custom Font for PDF Export.

下表列出了PDF文档中支持的十四种标准字体：

Courier		Courier	Courier-Bold	Courier-Oblique	Courier-BoldOblique
Times	THIS_IS_A_WRONG_FORMAT_FOR_MARKDOWN	Times-Roman	Times-Bold	Times-Italic	Times-BoldItalic
Times-Roman
Times-Bold
Times-Italic
Times-BoldItalic
Helvetica	THIS_IS_A_WRONG_FORMAT_FOR_MARKDOWN	Helvetica	Helvetica-Bold	Helvetica-Oblique	Helvetica-BoldOblique
Helvetica
Helvetica-Bold
Helvetica-Oblique
Helvetica-BoldOblique
Symbol	Symbol
ZapfDingbats	ZapfDingbats

示例代码

本示例说明了如何使用 savePDF 方法将Excel文件导出PDF文件。导出的文件以.pdf扩展名保存。

代码的第一部分列出了执行“导出到PDF”操作的依赖项。

代码的第二部分说明了 savePDF 方法可用于导出PDF格式。

<script src='.../spreadjs/gc.spread.sheets.all.x.xx.xxxxx.x.min.js' type='text/javascript'></script>
<script src='.../spreadjs/plugins/gc.spread.sheets.print.x.xx.xxxxx.x.min.js' type='text/javascript'></script>
<script src='.../spreadjs/plugins/gc.spread.sheets.pdf.x.xx.xxxxx.x.min.js' type='text/javascript'></script>

spread.savePDF(function (blob) {
var fileName = $('#fileName').val() || 'download';
saveAs(blob, fileName + '.pdf');
}, function (error) {
console.log(error);
}, {
title: 'Test Title',
author: 'Test Author',
subject: 'Test Subject',
keywords: 'Test Keywords',
creator: 'test Creator'
});

注意: 导出PDF时应牢记以下几点：

1) 为了导出到excel文件，用户需要参考文件: gc.spread.sheets.pdf...*.min.js

2) 图像未经过base64编码。因此，当用户使用文件协议方案时，它们可能不会导出。用户在执行导出操作时必须使用http或https协议方案。