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GcExcel同SpreadJS一样,在部署的时候需要设置部署授权。如果没有授权,则为临时试用版本。临时试用版本会存在以下限制:
打开和保存Excel文件的最大次数
每次用户运行应用程序时,都可以使用GcExcel Java打开或保存多达100个excel文件。
如果用户已经打开了100个文件,并且试图打开第101个文件,则会抛出异常,表示您已经超过了在找不到许可证时可以打开的文件数。
如果用户保存了100个excel文件,并且试图保存第101个文件,则只保存一个带有水印的excel文件。水印的内容告诉用户找不到许可证。
这个时候用户只能通过重启服务,来重置次数。
最长操作次数
在执行应用程序时,操作GcExcel-Java的时间将长达10个小时。
完成10小时的操作后,您可能会注意到以下情况:
创建工作簿实例时将引发异常,表示您已超过最大操作时间,无法创建新实例。
调用某些API时将停止工作。
这个时候同样用户只能通过重启服务,来重置次数。
水印
保存Excel文件时,将添加带有水印的新工作表。此工作表将是工作簿的活动工作表。水印的内容将告诉用户找不到许可证,并将提供我们的销售和联系信息,以便您可以直接连接到我们的支持团队。
保存PDF文件时,将在PDF文件的每个导出页面顶部添加水印。水印的内容将告诉用户申请的许可证,并将提供我们的销售和联系信息。水印如下:
本版本为西安葡萄城 GrapeCity Documents for Excel 表格组件产品试用版,未取得再分发授权。 本评估版本仅限本地。临时授权仅限测试用途。 如需获得正式授权,请致电 400-657-6008。
同时GcExcel也提供临时部署授权的申请,以便用户对部署进行测试。在许可证日期到期之前,产品可以不受任何限制地使用。
到期之后,将触发以下限制:
无法创建新的实例
当评估授权时,在创建工作簿类的新对象时,将引发一个指定评估授权过期的异常。
打开与保存Excel文件
如果用户保存文件,则只保存带有水印的excel文件。
保存 PDF 文件
如果用户保存PDF文件,则会保存在每个导出页面顶部带有水印的PDF文件。
API限制
在您的评估授权过期后,某些API将停止工作。
水印
保存excel文件时,将保存带有水印表的excel文件。会出现以下水印:
西安葡萄城 GrapeCity Documents for Excel 表格控件提供技术支持。 临时授权已过期,请发送邮件到 sales.xa@grapecity.com 获取帮助。
GcExcel 授权在购买产品时颁发。如果您有授权,您可以访问 GcExcel 的所有功能,而不受任何限制。
要在GcExcel 应用评估/开发授权,需要通过以下两种方式之一将长字符串密钥复制到代码中。以Java平台为例:
要授权项目中的所有工作簿,请使用SetLicenseKey方法添加授权。这将许可所有工作簿
Workbook.SetLicenseKey(" Your License Key");
要授权工作簿实例,请在创建工作簿实例时添加许可证密钥。添加以下代码:
var workbook = new Workbook("Your License Key");
另外,使用 .Net平台也会有对应的设置。