Transferred from: https://www.cnblogs.com/kclteam/p/5278926.htmlThe new project, presumably the situation is this: there may be many countries, different language users, the analogy of Chinese, traditional Chinese, Korean, Japanese and so on, the development of the choice of UTF-8 coding, development smooth, no problem. Yesterday did a CSV export function, the export of something completely chaotic:Set mb_convert_encoding ($content, "gb2312", "UTF-8")
Php export csv file: specifies the encoding export and csv file import and export class
/*
* PHP code to export MySQL data to CSV
*
* Sends the result of a MySQL query as a CSV file for download
* Easy to convert to UTF-8.
*/
/*
* Establish data
PHP processes CSV tables, using fgetcsv and fputcsv to convert between arrays and CSV
Array
To edit an online Excel table, parsing the Excel xls file format is a problem. after all, this is the private patent format of Microsoft Office.
To do this, use the common csv (Comma Separated Value, Comma-Separated Value) format.
Various office software can recognize
make a code note, easy to see later. Commons-csv-1.1.jar Source:https://github.com/apache/commons-csv Csvfilebuilder.java class Package Com.huihui.main;import Java.io.file;import Java.io.filewriter;import java.io.ioexception;import Java.util.arraylist;import Java.util.list;import Java.util.map;import Java.util.set;import Org.apache.commons.csv.csvformat;import Org.apache.commons.csv.csvprinter;public c
Use PHP code to download a CSV file, which can be a string or a CSV file. The first part of the code below is to read the file and download it.
The second part is the string download.
The Code is as follows:
$ FileName = "prefs.csv ";Header ('content-Type: application/octet-stream ');Header ('content-Disposition: attachment; filename = '. $ fileName );Header ('content-Transfer-Encoding: binary ')
Php exports a CSV abstract class instance and a csv abstract instance. Example of exporting CSV abstract classes from php. Examples of exporting csv abstract classes from php and their applications are described in this article. The specific analysis is as follows: This php exports
The first column of the CSV file is the serial number, which may be 7-8 characters long and only one long integer data. When you use sqlyog to import a CSV file, the following error occurs: Incorrectintegervalue: #39; 1060165 #39; forcolumn #39; id #39; atrow2 mysqlcsv
The first column of the CSV file is the serial number, which may be 7-8 characters lo
The is very simple to use when data manipulation is done through the Pandas library, and then a brief instance is written to the CSV file:
In [1]: Import pandas as PD in [2]: data = {' Row1 ': [1,2,3, ' Biubiu '], ' row2 ': [3,1,3, ' Kaka ']} in [3]: Data out[3]: {' row1 ': [1, 2, 3, ' Biubiu '], ' row2 ': [3, 1, 3, ' Kaka ']} in [4]: DATA_DF = PD.
Dataframe (data) in [5]: DATA_DF out[5]: row1 row2 0 1 3 1 2 1 2 3 3 3 Biubiu Kaka In [6
Several days ago, the previous article introduced the CSV table, and JS combined with the Back-end PHP parsing table filling the form method. Where the CSV converted to a two-dimensional array when the logic is more complex multi-pit, fortunately PHP has a wealth of library functions to deal with, and now with JS parsing is not so fortunate, everything must be a self-→_→ or introduce a library.JS Import
STD::stringSTRTMP;STD::stringSUBSTRTMP;STD::stringstr;intpos =0;intSUBPOS1 =0;intSubPos2 =0;D ata fileData= Fileutils::getinstance ()->getdatafromfile (Fileutils::getinstance ()->fullpathforfilename ("Data/selectcard.csv") ; Str.clear (); Str.assign ((Const Char*) filedata.getbytes (), filedata.getsize ());/*string disassembly for (int i = 0; i */ for(unsignedinti =0; I ) {pos= Str.find ("\ n", i); Strtmp= Str.substr (i, POS-i); //split the data, the first line does not if(I! =0) {selectcardd
PHP Export CSV Abstract class instance, export CSV abstract instance
This article describes the PHP export CSV abstract class and its application, share to everyone for your reference. The specific analysis is as follows:
This PHP export CSV abstract class, according to the total number of records and the number of re
Read CSV file:
In many systems, you need to read the CSV file, I also encountered in a previous project to read the data in the CSV file to the DataTable for processing, the following code
It's a method I wrote about importing data from a CSV file into a DataTable, and now it's posted for you to share:
Getcsvfile ' S
Python3 use CSV module to read and write CSV file source https://www.cnblogs.com/meitian/p/4626455.htmlTo read a CSV file:Import CSV#打开文件, with the open can not be deliberately closed file, Python3 does not support files () Open, only with open ()With open ("Xxx.csv", "R", encoding= "Utf-8") as CSVFile: #读取
Php exports a CSV abstract class instance and exports a csv abstract instance
This example describes how to export a CSV abstract class from php and its application. The specific analysis is as follows:
This php export CSV abstract class can calculate the total number of records and the number of records per batch, and
This article mainly introduces the MySQL implementation query results export CSV file and import CSV file to the database operation, combined with instance form analysis of MySQL related database export, import statements using methods and operational considerations, the need for friends can refer to the next
This article describes the MySQL implementation query results export
Download the CSV file in PHP code, can be a string, or a CSV file, the following directly on the codeThe first paragraph is read file, download. The second paragraph is a string download. The code is as follows: csv"; Header (' Content-type:application/octet-stream '); Header (' Content-disposition:attachment filename= '. $fileName); Echo $csv;
Import csv data to mysql, and import csv data to mysql
The csv table contains Chinese characters. The specific implementation code is as follows:
Load data infile 'C: \ Users \ Administrator \ Desktop \ import \ CELLutf.csv 'into table cell character set gbk (set gbk character encoding to prevent Chinese garbled characters)Fields terminated ','Enclosed '"'Lines
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