WebJan 9, 2024 · 标题背景代码历程失败的代码发现问题优化的代码微调后的代码执行成功总结 背景 项目中需要校验上传的Excel模板是否符合规范。一开始的想法是在后端进行校验,但是后来想到一个跑批的文件最大是2M,如果放置在后端校验,对于不规范的文件,这2M的传输也就白费了,同时,对于用户的体验也很 ... Webjs-xlsx introduction. bySheetJSProducedjs-xlsxIt is a very convenient tool library that only needs pure JS to read and export excel. It has powerful functions, supports many formats, and supportsxls、xlsx、ods(An OpenOffice proprietary table file format) and more than a dozen formats.This article is all based onxlsxTake the format as an example. ...
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WebMay 30, 2024 · js-xlsx 介绍由SheetJS出品的js-xlsx是一款非常方便的只需要纯JS即可读取和导出excel的工具库,功能强大,支持格式众多,支持xls、xlsx、ods(一种OpenOffice专有表格文件格式)等十几种格式。本文全部都是以xlsx格式为例。1.1. 兼容性兼容性如下图:1.2. 如何使用dist目录下有很多个JS文件,一般情况下用xlsx.core ... WebJun 9, 2024 · 通过nunjucks模板语法对文档内容进行生成,node对文档的处理,生成对应的数据结构文档,这个方法同时也适用其他的文档转换。Excel转js,Excel转json,等数据文档转换,也是可以的。 4. log日志文件预览 word等文档显示,部分样式需要一些基础的库来提供支持,对于log日志形式搜索了一下,基本没有 ... WebDec 28, 2024 · 前端小功能:Word、PDF、Excel文档vue预览;log日志文件预览。. 要工具不区分框架,把FileReader ()文件处理函数可以细细品读一下。. 同时可以了解一下, Blob ArrayBuffer,等数据格式,ajax如何获取Blod的基本操作。. 需要处理文件,必须缓存文件,缓存文件必须解决跨域 ... northern ireland electricity tariffs