Java read-write Excel package is Apache POI (Project address: http://poi.apache.org/), so you need to obtain the POI jar package, this experiment is using the POI 3.9 stable version.
Apache POI code example address: http://poi.apache.org/spreadsheet/quick-guide.html
This example reads Microsoft Office
Writing data to Excel that has data in the first place will not overwrite the original data, just append the data. public class Excel {public Excel () {}public void Createworkbook (file file, double[] a) {try { if (!file.exists ()) {//determines if the file already exists and creates a new file if it does not exist jxl.write.writableworkbook WWB = Workbook.creat
')-> body (array ('2017, sadkl ', 'sdsas ', 'sdvsvdd sub')-> multiBody ($ arr );
Shows the output csv file:
But there is a problem here. The output of Chinese characters obtained from the database with UTF-8 encoding will be garbled in excel (csv). Please note that, before getting data, you need to set the database encoding. For
This code is used to import and export datatable files in XML, Excel, and CSV files. Record the code for future use.
Be sure to import the Excel file and add a reference to Microsoft. Office. InterOP. Excel 11.0.
Default. aspx. CS File
Using system;Using system. Collections. Generic;Using system. LINQ;Using system. Web
ThinkPHP exports csv files and outputs excel files in tables ,. ThinkPHP exports a csv file and uses the form to output an excel file. This document describes how thinkPHP exports a csv file and how to use the form to output an excel
using Python to process data in CSV formatCSV data:Comma-separated values (comma-separated values,csv, sometimes referred to as character-delimited values, because delimited characters can also be not commas), whose files store tabular data (numbers and text) in plain text. Plain text means that the file is a sequence of characters and does not contain data that must be interpreted like a binary number. A
[nbits (EV_MAX)];//supported event typesunsigned long keybit[nbits (KEY_MAX)];//supported key bitmapunsigned long relbit[nbits (Rel_max)];//bitmap that supports relative coordinatesunsigned long absbit[nbits (Abs_max)];//bitmap that supports absolute coordinatesunsigned long mscbit[nbits (Msc_max)];unsigned long ledbit[nbits (Led_max)];unsigned long sndbit[nbits (Snd_max)];unsigned long ffbit[nbits (Ff_max)];unsigned long swbit[nbits (Sw_max)];Writing a driver that conforms to the input subsyste
( Cell.getbooleancellvalue ()); break; casecell.cell_ type_formula: system.out.print (Cell.getCellFormula () ); break; default: Nbsp;system.out.print (""); break; } system.out.print ("\ t "); } system.out.println (); } }}catch ( encrypteddocumentexception|invalidformatexception |ioexceptione) { logger.error ("Error reading file", e); }}Problems with not using Chinese in poi time formattingIs the POI bug, please refer to the article "Solve POI dateutil.iscelldateformatted (cell cell) can not d
With the help of Apathe's Poi.jar, the upload file does not support. jar so please download and change the file to. jar, add the Poi.jar package to the application, and put the Excel file you want to read into the root directory
This example uses Java to read the contents of Excel and display the results, the code rea
@ 163.com ', 'runningman6', 'runninguserman'); $ test-> title (array ('test', 'hha ', 'Haha ')) -> body (array ('2017, sadkl ', 'sdsas', 'sdvsvdd sub')-> multiBody ($ arr );
Shows the output csv file:
But there is a problem here. the output of Chinese characters obtained from the database with UTF-8 encoding will be garbled in excel (csv). Please note that,
a few days ago saw us in the game need to dynamically load some characters game planning value, about this problem how to solve it? In fact, many kinds of methods, in the final analysis, is the data read. We can think of a number of carriers that store data. For example: Txt,xml,csv,excel. You can even use sqlite,mysql,sqlserver and so on! This is not a problem!
Asp.net: How to export data in Excel/Csv text format.
I just started to work on Excel-related projects, so I should record all the problems regardless of the size.
By chance, when adding data, all the data is converted into numbers, and the result output is automatically converted into scientific notation. This is a powerful
This article mainly introduces thinkPHP's method of exporting csv files and outputting excel files using tables. it involves thinkPHP's operations on tables and Excel files, for more information about how to export a csv file from thinkPHP and use a table to output an excel
Use C #
Program Use streamwriter to export a string, generate a TXT text file, and use NotePad to open it normally. Change it to the CSV format. use Excel to open garbled characters, and the column cannot be correctly identified. And then open it in Notepad. After changing the encoding from UTF-8 to ANSI, You can correctly identify the column and no garbled characters. [Fault description] exported data fil
Label: How to import a CSV file or Excel table into a database: Excel data directly into MySQL will need to use the Phpexcel open source class, the details can refer to this article ~ Http://www.cnblogs.com/freespider/p/3284828.html The methods used in this article are: Excel--> Cs
Today, I learned why PHP generates CSV files and garbled characters when opened in Excel. The following section describes some common methods. I hope this method will be helpful to all of you.
Baidu found out
PHP generate UTF-8 encoded CSV file with Excel open Chinese display garbled, is because the output
This article mainly introduces how to export data from Python to a CSV file that can be read by Excel, and how to design the skills related to using Python to Operate Excel, for more information about how to export data from Python to CSV files that can be read in Excel, see
Solve the PHP generated UTF-8 encoding CSV file with Excel open garbled problem wrote in fact this problem has been encountered a long time ago, it should be not resolved, at that time, the openoffice was opened normally, while the excel file was not opened normally. after that, the code was not resolved. I encountered this problem again. I searched online and fo
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