实现xlsx文件预览的快速的解决方案，使用微软提供的接口地址，直接拼接自己文件的url即可

【注意：本方法需要注意文档如果具有保密性，谨慎使用】

【因为文件url是直接暴露给微软】

【http://view.officeapps.live.com/op/view.aspx?src=要查看的文档地址】

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微软官网说明文档：https://www.microsoft.com/en-us/microsoft-365/blog/2013/04/10/office-web-viewer-view-office-documents-in-a-browser/

查看docx文档： http://view.officeapps.live.com/op/view.aspx?src=newteach.pbworks.com%2Ff%2Fele%2Bnewsletter.docx

查看xlsx文档： http://view.officeapps.live.com/op/view.aspx?src=http%3A%2F%2Flearn.bankofamerica.com%2Fcontent%2Fexcel%2FWedding_Budget_Planner_Spreadsheet.xlsx

查看PPT文档： http://view.officeapps.live.com/op/view.aspx?src=http%3a%2f%2fvideo.ch9.ms%2fbuild%2f2011%2fslides%2fTOOL-532T_Sutter.pptx

1.首先你的xlsx文件得有一个可下载的url地址

http://offline-trade-1256468630.cos.ap-beijing.myqcloud.com/promotion/dev/%E4%BF%83%E9%94%80%E5%95%86%E5%93%81%E6%95%B0%E6%8D%AE-2019122414390201.xlsx?sign=q-sign-algorithm%3Dsha1%26q-ak%3DAKIDPhojU3JwCLI4e3rLF7QjtvyscAWloJbj%26q-sign-time%3D1577169548%3B1892529548%26q-key-time%3D1577169548%3B1892529548%26q-header-list%3D%26q-url-param-list%3D%26q-signature%3Ddfa559c3a7af248b343e44b1e8d238e6fa4f1591

2.需要将url地址进行UrlEncode编码的转化【工具或js 两种方式】

可使用的线上工具地址：

http://www.jsons.cn/urlencode/

或者使用js转化：

参考地址：

https://www.cnblogs.com/lvmylife/p/7595036.html

var url = "http://localhost:8080/pro?a=1&b=张三&c=aaa";
encodeURIComponent(url) --> http%3A%2F%2Flocalhost%3A8080%2Fpro%3Fa%3D1%26b%3D%E5%BC%A0%E4%B8%89%26c%3Daaa

转化得到结果如下：

http%3A%2F%2Foffline-trade-1256468630.cos.ap-beijing.myqcloud.com%2Fpromotion%2Fqtest%2F%25E4%25BF%2583%25E9%2594%2580%25E5%2595%2586%25E5%2593%2581%25E6%2595%25B0%25E6%258D%25AE-2019122511191501.xlsx%3Fsign%3Dq-sign-algorithm%253Dsha1%2526q-ak%253DAKIDPhojU3JwCLI4e3rLF7QjtvyscAWloJbj%2526q-sign-time%253D1577244125%253B1892604125%2526q-key-time%253D1577244125%253B1892604125%2526q-header-list%253D%2526q-url-param-list%253D%2526q-signature%253Dce132453576e5f813257329e1ef62c14dff3271a

3.再将转化完的url进行拼接，得到可预览地址

http://view.officeapps.live.com/op/view.aspx?src=http%3A%2F%2Foffline-trade-1256468630.cos.ap-beijing.myqcloud.com%2Fpromotion%2Fqtest%2F%25E4%25BF%2583%25E9%2594%2580%25E5%2595%2586%25E5%2593%2581%25E6%2595%25B0%25E6%258D%25AE-2019122511191501.xlsx%3Fsign%3Dq-sign-algorithm%253Dsha1%2526q-ak%253DAKIDPhojU3JwCLI4e3rLF7QjtvyscAWloJbj%2526q-sign-time%253D1577244125%253B1892604125%2526q-key-time%253D1577244125%253B1892604125%2526q-header-list%253D%2526q-url-param-list%253D%2526q-signature%253Dce132453576e5f813257329e1ef62c14dff3271a

4.将可预览地址放在a标签或者直接访问即可进行预览

<a  href="写自己可预览的地址">预览</a>

=================================附件：收集到的方法：【供参考使用】==========================================

1.浏览器预览xlsx插件介绍
https://www.cnblogs.com/it365box/p/11151933.html

2.xlsx转pdf，使用pdf.js实现预览
http://blog.lookpeakfans.xyz/2018/07/22/preview-pdf/

3.这里面有完整的访问地址使用
https://www.cnblogs.com/huangtailang/p/76492af9d30087d8659d8d5400d20fc7.html

如果你要预览的是Excel，只需要在你的下载链接前面拼上

微软方案:http://view.officeapps.live.com/op/view.aspx?src=你的链接 即可预览
谷歌方案：https://docs.google.com/viewer?url=你的链接 即可预览
中文方案：http://view.gokuai.com/op/view.aspx?src=
第二方案：http://sg1b-excel.officeapps.live.com/x/_layouts/xlviewerinternal.aspx?ui=zh-CN&rs=zh-CN&WOPISrc=

微软官网说明文档：
https://www.microsoft.com/en-us/microsoft-365/blog/2013/04/10/office-web-viewer-view-office-documents-in-a-browser/

可以直接下载的xlsx地址：

http://offline-trade-1256468630.cos.ap-beijing.myqcloud.com/promotion/dev/%E4%BF%83%E9%94%80%E5%95%86%E5%93%81%E6%95%B0%E6%8D%AE-2019122414390201.xlsx?sign=q-sign-algorithm%3Dsha1%26q-ak%3DAKIDPhojU3JwCLI4e3rLF7QjtvyscAWloJbj%26q-sign-time%3D1577169548%3B1892529548%26q-key-time%3D1577169548%3B1892529548%26q-header-list%3D%26q-url-param-list%3D%26q-signature%3Ddfa559c3a7af248b343e44b1e8d238e6fa4f1591

URL的UrlEncode编码转化的地址：

http://www.jsons.cn/urlencode/

可预览的地址：

http://view.officeapps.live.com/op/view.aspx?src=http%3A%2F%2Foffline-trade-1256468630.cos.ap-beijing.myqcloud.com%2Fpromotion%2Fqtest%2F%25E4%25BF%2583%25E9%2594%2580%25E5%2595%2586%25E5%2593%2581%25E6%2595%25B0%25E6%258D%25AE-2019122511191501.xlsx%3Fsign%3Dq-sign-algorithm%253Dsha1%2526q-ak%253DAKIDPhojU3JwCLI4e3rLF7QjtvyscAWloJbj%2526q-sign-time%253D1577244125%253B1892604125%2526q-key-time%253D1577244125%253B1892604125%2526q-header-list%253D%2526q-url-param-list%253D%2526q-signature%253Dce132453576e5f813257329e1ef62c14dff3271a

4.总结

1）office -> pdf -> swf, 然后使用 flash 控件展示, 优点是支持 ie 低版本; 缺点是转换真 tm 麻烦, 而且不支持移动端

2）office -> pdf, 然后使用 pdf.js 预览, 优点是比较美观, 少了一道转换程序, 缺点是不支持 ie9 以下

3）使用 Office 提供的 Server, 优点是不用复杂的转换, 缺点是需要部署服务, 个人觉得极其麻烦

4）使用各种商业产品, 优点是不用操心, 简单; 缺点是需要付费(如果这也算的话)以及保密性问题(可能也不算)

【html】xlsx文件实现预览，浏览器实现xlsx文件的预览，前端实现xlsx文件的预览

实现xlsx文件预览的快速的解决方案，使用微软提供的接口地址，直接拼接自己文件的url即可

1.首先你的xlsx文件得有一个可下载的url地址

2.需要将url地址进行UrlEncode编码的转化【工具或js 两种方式】

3.再将转化完的url进行拼接，得到可预览地址

4.将可预览地址放在a标签或者直接访问即可进行预览

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