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Analysis on the process of downloading files from the client server:
The browser sends a request to access a webpage (such as down. php) on the server.CodeAs follows.
The server immediately runs the down. php file after receiving the
PHP Quick Development Guide for exporting Excel
Phpexcel has proprietary development documentation. For detailed operations, see its development documentation. This document only optimizes and integrates its usage to facilitate rapid development
PHP Quick Development Guide for exporting ExcelPhpexcel has proprietary development documentation. For detailed operations, see its development documentation. This document only optimizes and integrates its usage to facilitate rapid development in
Export data to Excel or CSV files based on php (with UTF-8 and gbk encoding conversion ). Php imports garbled characters to excel because utf8 encoding does not support all utf8 transcoding in the XP system. it perfectly solves the UTF-8 encoding
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
Header()is used to send raw HTTPHeaders. See the http/1.1 specification for more information on HTTPHeaders.
Example One:
Copy CodeThe code is as follows:
Header ("location:http://www.jb51.net";);
exit;//must add "exit" after each redirect to
The header () function sends the original HTTP header to the client.
Copy CodeThe code is as follows:
200 normal state
Header (' http/1.1 OK ');
301 permanent Redirect, remember to add a redirect address at the back location: $url
Header (' http/1.
Copy CodeThe code is as follows:
Fix 404 Pages:
Header (' http/1.1 OK ');
Set 404 Header:
Header (' http/1.1 404 Not Found ');
Set Moved permanently header (Good for redrictions)
Use with location header
Header (' http/1.1 301 Moved permanently ');
Video file upload protocol analysis in Android
L run the web application on the server,
L upload a video file, capture data packets with httpwatch, and explain the following:
POST/videoweb/video/manage. do HTTP/1.1 Accept: image/gif,
First, hadoop's WebHDFS supports access to HDFS through the rest api through http. Link: http://hadoop.apache.org/common/docs/current/hadoop-yarn/hadoop-yarn-site/WebHDFS.html
You can perform many operations through the rest api, such as uploading
Url = "http: // 127.0.0.1/test/20021317173156951.swf" 'address for testing
If url = "" Then die ("URL cannot be blank.") 'dare to repeat me, empty URL can't'
T = faster Rev (URL, "/") 'Get the last "/" location'
If T = 0 or T = Len (URL) Then die
Resumable data transfer is the core of large file data transmission. This article describes how to implement resumable data transfer for large files based on multi-thread and Socket technologies.
Basic Implementation ideas
The basic idea of
Php imports garbled characters into excel because utf8 encoding does not support all utf8 transcoding In the XP system.
UTF-8 encoding casePhp code
Copy codeThe Code is as follows: Header ("Content-Type: application/vnd. ms-excel; charsets = UTF-8 "
(1) Principle of resumable Data Transfer
In fact, the principle of resumable upload is very simple, that is, the Http request is different from the general download.
For example, when a browser requests a file on the server, the request is as
Analysis on the process of downloading files from the client server:
The browser sends a request to access a webpage (such as down. php) on the server. The code for this webpage is as follows.The server immediately runs the down. php file after
When downloading files, many of my friends convert their Chinese names to English or full numbers before downloading them. next I will introduce how to directly download files using Chinese file names without garbled characters. Copy the code as
PHP implements file download. Are you sure you want to laugh at the fact that I downloaded files so easily? Of course it is not as simple as you think. For example, if you want the customer to fill out a form before downloading a certain file, you
This article mainly introduces the common function guide and examples of phpExcel help manual. For more information, see PHPExcel basic operations:
Define an EXCEL Object
Define a php excel Object and set the content displayed in the EXCEL Object
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