Use Python to operate Csv files,
Csv is the abbreviation of Comma-Separated Values. It is the table data stored in the form of text files, such as the following table:
It can be stored as a csv file with the following content:
No.,Name,Age,Score1,mayi,18,992,jack,21,893,tom,25,954,rain,19,80
Assume that the preceding csv
About CSVWhen developing a backend management system, it is almost inevitable that you will encounter the need to import and export Excel tables. CSV is also a form of table, where dissemble is "comma delimiter file". Open in Excel as shown on the left, in Notepad open as shown on the right:And look at the table with the special characters.Similar to XLS or xlsx tables, CSV files are also used to represent
System: Win7 (format: Chinese (Simplified, China))Tools: Eclipse (default encoding Utf-8)Two services: "RESTful interface" and "Service server".Scenario: "Service Server" calls the "RESTful interface" multiple times, and each time the "RESTful interface" returns a generated CSV file content. Service server saves the CSV content returned by the "RESTful interface" to a C
This article mainly introduces a PHP fast line reading CSV large file Package class, this class also applies to other large text files, need friends can refer to the following The reading of the CSV large file has been described earlier (PHP reads by row, processing the code instance of the larger CSV file), but there are still some problems in how to quickly c
The so-called "CSV" is the abbreviation of comma separated value (comma-separated values). It is usually a plain text file. The following is part of an actual CSV file, which gives you a perceptual knowledge of it. We selected the sjo_rescan CSV file (sjojo is a member of ASW-Asian image scanning ).Sj_mino1001.jpg, 715282, 4fb55fe8,Sj_mino1002.jpg, 471289,
9
CSV files were first used in a simple database. because of their simple format and strong openness, they were first marked by their own gallery by the scanner. A CSV file is a plain text file. each line represents many attributes of an image. The following section describes how to download and generate c from PHP to a project. it displays the order information and downloads the relevant information to a.
During project development, you often need to import an external CSV file to a database or export the data as a CSV file. How can this problem be solved? This document uses PHP and mysql to import and export CSV data.
During project development, you often need to import an external CSV file to a database or export the
This article mainly introduces the summary of php csv file code instances. This article provides six sample code for operating CSV files, including reading
This article mainly introduces the summary of php csv file code instances. This article provides six sample code for operating CSV files, including reading
1
This article is for PHP export to Excel or CSV (with UTF8, GBK encoding conversion) for a detailed analysis of the introduction, the need for a friend reference
PHP Import into Excel garbled because UTF8 encoding in the XP system does not support all UTF8 encoding transcoding a perfect solutionUtf-8 Coding CasePHP code
PHP code
GBK Coding CasePHP code
PHP code
0.
Download to Excel when you visit the websiteTo make the cell difference.You can use a
The following is just a simple example
We first prepare the MySQL datasheet, assuming that the project has a record of student information on the table student, and have id,name,sex,age record the student's name, gender, age and other information.
The code is as follows
Copy Code
CREATE TABLE ' Student ' (' id ' int (one) not NULL auto_increment,' Name ' varchar not NULL,' Sex ' varchar not NULL,' Age ' smallint (3) Not NULL default ' 0 ',PRIMARY KEY (' id ')) Engin
1 txt file readOpen (file, mode= ' R ', Buffering=-1, Encoding=none, Errors=none, Newline=none, Closefd=true, Opener=none)The parameter file is a filename, such as ' file.txt '; mode is a pattern opened on a file, other parameters are generally not used.Parameter explanation for function open:The default is read-only in the open function. Other modes are:W: Open in write modeA: Open in Append moder+: Open in read-write modew+: Punch in read-write mode
We first prepare the MySQL data table, assuming that the project has a record of student information table student, and there are id,name,sex,age to record the student's name, gender, age and other information.
Copy the Code code as follows:CREATE TABLE ' Student ' (' id ' int (one) not NULL auto_increment,' Name ' varchar (not NULL),' Sex ' varchar (+) not NULL,' Age ' smallint (3) is not NULL default ' 0 ',PRIMARY KEY (' id ')) Engine=myisam DEFAULT Charset=utf8;
We also need an HTML interact
in a game, there are often a lot of monsters, as well as the monster's health, magic values and other attributes of data, which can not be written in the code to die, usually used in the configuration file to save, and then loaded into memory.Our common configuration file is a CSV file, which is a comma-separated value (comma-separated values), as shown in.Today, I'm going to introduce a tool class that reads a CS
Cocos2d-x Lua reads Csv files for easier use of data, cocos2d-xcsv
There is a Csv file shadow in my book or the source code I once sold.
Maybe it's preemptible. The longest configuration file I will use at work will be Csv, so I can't help but prioritize it in many games.
The Csv file is in a simple format, that is,
We first prepare the MySQL datasheet, assuming that the project has a record of student information on the table student, and have id,name,sex,age record the student's name, gender, age and other information.
The code is as follows
Copy Code
CREATE TABLE ' Student ' (' id ' int (one) not NULL auto_increment,' Name ' varchar not NULL,' Sex ' varchar not NULL,' Age ' smallint (3) Not NULL default ' 0 ',PRIMARY KEY (' id ')) Engine=myisam DEFAULT Charset=utf8;
Recently, a project has been done to show the order information and to put the relevant information in a. csv file and download it to the browser. Although the CSV is a relatively simple form of Excel tables, generate only in the specified format and then generate a. csv file, but in use will also encounter a lot of problems, the following to share PHP download
This article mainly introduces the summary of php csv file code instances. This article provides six CSV file code instances, including reading, writing, and reading a specified range. For more information, see
1. read csv data and output it to the sales.csv file:
$sales = array( array('Northeast', '2004-01-01', '2004-02-01', 12.54), array('Northwest', '2004-
This article describes how to export php code to Excel or CSV (with UTF-8 and gbk encoding conversion, if you need a friend, refer to importing php to excel with garbled characters because utf8 encoding does not support all utf8 encoding and transcoding in the XP system.
UTF-8 encoding casePhp code
The code is as follows:
Header ("Content-Type: application/vnd. ms-excel; charsets = UTF-8 ");Header ("Pragma: public ");Header ("Expires: 0 ");Header
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.