Java realizes the generation of pdf and Excel and the dynamic insertion and export of data

1, Preface The export and import of Excel and PDF is a problem we often encounter in our work. Just today, the company's business encountered this problem. By the way, take a note to prevent the same problem from being helpless next time. The company has two needs: Requirement 1. A form is given to assemble the found data into the form and p ...

Posted by chet23 on Sat, 01 Jan 2022 14:49:22 +0100

Python Crawl Doubles + Data Visualization

Blog Text and Source Download: Python Crawl Doubles + Data Visualization Preface At my sister's invitation, I saw the Python crawler a while ago. I have to say that Python's grammar is really concise and graceful, readable, close to natural language, and very suitable for beginners of programming. Before you start, explain what crawls are: ...

Posted by mtlhd on Tue, 21 Dec 2021 13:28:39 +0100

10 minutes to learn how to play Excel easily with Python

preface When you need to do a lot of repeated operations on Excel every day, if you only rely on manual work, it is not only a waste of time, but also very boring. Fortunately, Python provides us with many modules for operating excel, which can free us from tedious work. Today, I'll share with you a module openpyxl for rapid processing of Exc ...

Posted by cjmling on Tue, 07 Dec 2021 14:09:17 +0100

POI - simple reading and writing Excel

Official website address: https://poi.apache.org/ Basic functions: HSSF - provides the ability to read and write documents in Microsoft Excel format. (version 2003, can only store 65536 rows of data at most)XSSF - provides the ability to read and write documents in Microsoft Excel OOXML format. (2007 edition, unlimited data can be stored) 1. ...

Posted by bentobenji on Tue, 07 Dec 2021 12:31:00 +0100

Summary of NPOI's use in C#

0.NPOI brief introduction Baidu Encyclopedia said that NPOI can read and write word or EXCEL documents without installing Office. NPOI is an open-source project for C# reading and writing Microsoft OLE2 component documents such as Excel and word. Advantages: you can operate Word and Excel on a computer without Office installed, which is open ...

Posted by Corona4456 on Fri, 24 Sep 2021 16:39:41 +0200

Use of poi, selection of easypoi and easyexcel

The project needs to read excel, get in touch with poi, and use it. Summarize yourself Here, a small demo is written, which is a SpringBoot project. Its main function is to read a total curriculum and then generate the curriculum of the specified class we need Let's take a look at our master schedule first easyexcel When the amount of ...

Posted by lordofgore on Mon, 20 Sep 2021 12:13:03 +0200

Overview of springMVC's ability to download Excel tables

spring provides encapsulation classes for Excel DownloadsOrg.springframework.web.Servlet.view.document.AbstractExcelView, when implemented, simply implement a class that inherits AbstractExcelView, then override the buildExcelDocument(Map<String, Object> model,HSSFWorkbook workbook, HttpServletRequest request,HttpServletResponse respo ...

Posted by conspi on Wed, 08 Jul 2020 17:02:44 +0200

python3 implements mysql export excel

I. Preparations Python Tool Library Installation xlwt and xlrd Installation under 1.1win7 1.1.1 Method 1: Download and Install 1. From http://pypi.python.org/pypi/xlwt Download xlwt-1.0.0.tar.gz; 2. From http://pypi.python.org/pypi/xlrd Download xlrd-0.9.4.tar.gz; 3. Unzip the package; 4. Run under win7. [plain] view plain copy cmd ...

Posted by SystemOverload on Thu, 02 Jul 2020 17:02:27 +0200

[code explanation] using Python 3 + Tkinter to develop class attendance system with graphical interface

Using easy to learn Python and its powerful tripartite library to develop a simple attendance system: 1. Development background 2. Implementation process -Data reading -Data slicing and comparison matching -Graphic development 3. Operation effect -Interface -Choose the path -Read data -Final effec ...

Posted by trouble706 on Tue, 30 Jun 2020 09:24:24 +0200

[code explanation] using Python 3 + Tkinter to develop class attendance system with graphical interface

Using easy to learn Python and its powerful tripartite library to develop a simple attendance system: 1. Development background 2. Implementation process -Data reading -Data slicing and comparison matching -Graphic development 3. Operation effect -Interface -Choose the path -Read data -Final effec ...

Posted by devxtech on Tue, 30 Jun 2020 08:47:22 +0200