国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂

directory search
Array Array Helper Benchmarking Benchmarking Class Caching Caching Driver Calendaring Calendaring Class CAPTCHA CAPTCHA Helper Config Config Class Cookie Cookie Helper Database Connecting to your Database Custom Function Calls Database Caching Class Database Configuration Database Forge Class Database Metadata Database Quick Start: Example Code Database Reference Database Utility Class DB Driver Reference Generating Query Results Queries Query Builder Class Query Helper Methods Transactions Date Date Helper Directory Directory Helper Download Download Helper Email Email Class Email Helper Encrypt Encrypt Class Encryption Encryption Library File File Helper File Uploading File Uploading Class Form Form Helper Form Validation Form Validation FTP FTP Class Functions compatibility_functions common_functions HTML HTML Helper HTML Table HTML Table Class Image Manipulation Image Manipulation Class Inflector Inflector Helper Input Input Class Javascript Javascript Class Language Language Class Language Helper Loader Loader Class Migrations Migrations Class Number Number Helper Output Output Class Pagination Pagination Class Path Path Helper Security Security Class Security Helper Session Session Library Shopping Cart Shopping Cart Class Smiley Smiley Helper String String Helper Template Parser Template Parser Class Text Text Helper Trackback Trackback Class Typography Typography Class Typography Helper Unit Testing Unit Testing Class URI URL User Agent XML XML-RPC and XML-RPC Server Zip Encoding Zip Encoding Class XML-RPC and XML-RPC Server Classes XML Helper User Agent Class URL Helper URI Class
characters

下載幫助程序允許您將數(shù)據(jù)下載到桌面上。

  • 加載此助手

  • 可用職能

加載此助手

使用以下代碼加載此助手:

$this->load->helper('download');

可用職能

現(xiàn)有下列職能:

force_download([$filename = ''[, $data = ''[, $set_mime = FALSE]]])

參數(shù):

$ filename(string) - 文件名$ data(mixed) - 文件內(nèi)容$ set_mime(bool) - 是否嘗試發(fā)送實(shí)際的MIME類型

返回類型:

空虛

  • $ filename字符串) - 文件名

  • $ data混合) - 文件內(nèi)容

  • $ set_mimebool) - 是否嘗試發(fā)送實(shí)際的MIME類型

Return type:  void
Generates server headers which force data to be downloaded to your desktop. Useful with file downloads. The first parameter is the **name you want the downloaded file to be named**, the second parameter is the file data.

如果將第二個(gè)參數(shù)設(shè)置為NULL和$filename是一個(gè)現(xiàn)有的、可讀的文件路徑,那么它的內(nèi)容將被讀取。

如果您將第三個(gè)參數(shù)設(shè)置為布爾值true,那么將發(fā)送基于文件擴(kuò)展名%29的實(shí)際文件MIME類型%28,這樣如果瀏覽器有該類型的處理程序,它就可以使用它。

例子:

$ data ='這是一些文字!'; $ name ='mytext.txt'; force_download($ name,$ data);

如果要從服務(wù)器下載現(xiàn)有文件,則需要執(zhí)行以下操作:

// photo.jpg的內(nèi)容將被自動(dòng)讀取force_download('/ path / to / photo.jpg',NULL);

Previous article: Next article: