[英]Setting a variable upload path in jQuery File Upload plugin
我正在使用blueimp jQuery File Upload插件 ( 在此處提供文檔 ),但是在包含配置文件(指示在各種計算機上的上載目錄的位置)時遇到了麻煩。
之所以需要這樣做,是因為本地開發服務器上的uploads文件夾的相對路徑與生產服務器(使用Capistrano的/shared/
文件夾)上的相對路徑不同。
因此,我們處理此問題的方法是在一個名為constants.php
的文件中設置一個常數,以表示各個計算機上的上載文件夾的路徑,該文件從一個特定於機器的配置文件config.php
中讀取。
然后,我在上載程序處理程序( UploaderHandler.php
)中包含constants.php
。
問題在於在UploaderHandler.php
包含文件會導致上傳UploaderHandler.php
在開始上傳后輸出SyntaxError: Unexpected token <
( 這是屏幕截圖 )。
知道這里發生了什么嗎? 任何幫助表示贊賞! 如果需要,我可以澄清問題:)
相關代碼摘錄如下:
/includes/constants.php :
<?php
# Grab machine-specific config file
include('config.php');
# Setup Constants for Steven's Machine
if ($_ENV["machine"] == "steven"){
define('WEB_DIR', "c:/wamp/www/ourproject");
define('SHARED', "c:/wamp/www/ourproject/shared");
# Setup Constants for Andrew's Machine
} elseif($_ENV["machine"] == "andy"){
define('WEB_DIR', "/Applications/MAMP/htdocs/ourproject");
define('SHARED', "/Applications/MAMP/htdocs/ourproject/shared");
# Setup Constants for Other Machines
} else {
define('WEB_DIR', realpath($_SERVER["DOCUMENT_ROOT"]));
define('SHARED', "/srv/www/ourwebsite.com/htdocs/shared");
}
?>
/includes/config.php :
<?php
# Set the name of your machine
$_ENV["machine"] = "andy";
?>
/file-uploader/server/php/UploadHandler.php
<?php
include('../../../includes/constants.php');
class UploadHandler
{
... // Some code omitted
function __construct($options = null, $initialize = true, $error_messages = null) {
$this->options = array(
'script_url' => $this->get_full_url().'/',
'upload_dir' => SHARED.'/uploads/shipping/',
'upload_url' => WEB_DIR.'/uploads/shipping/',
'user_dirs' => false,
'mkdir_mode' => 0755,
'param_name' => 'files',
// Set the following option to 'POST', if your server does not support
// DELETE requests. This is a parameter sent to the client:
'delete_type' => 'DELETE',
'access_control_allow_origin' => '*',
'access_control_allow_credentials' => false,
'access_control_allow_methods' => array(
'OPTIONS',
'HEAD',
'GET',
'POST',
'PUT',
'PATCH',
'DELETE'
),
... // More code omitted
?>
開發者控制台輸出:
<br />
<b>Notice</b>: Constant WEB_DIR already defined in <b>/Applications/MAMP/htdocs/ourproject/includes/constants.php</b> on line <b>13</b><br />
<br />
<b>Notice</b>: Constant SHARED already defined in <b>/Applications/MAMP/htdocs/ourproject/includes/constants.php</b> on line <b>14</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
<br />
<b>Warning</b>: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/ourproject/includes/constants.php:13) in <b>/Applications/MAMP/htdocs/ourproject/file- uploader/server/php/UploadHandler.php</b> on line <b>1074</b><br />
{"files":[{"name":"photo (1). PNG","size":91006,"type":"image\/png","url":"\/Applications\/MAMP\/htdocs\/ourprojectuploads\/shipping\/photo%20%281%29. PNG","thumbnailUrl":"\/Applications\/MAMP\/htdocs\/ourprojectuploads\/shipping\/thumbnail\/photo%20%281%29. PNG","deleteUrl":"http:\/\/localhost:8888\/ourproject\/file-uploader\/server\/php\/?file=photo%20%281%29. PNG","deleteType":"DELETE"}]}
聽起來好像從UploaderHandler返回的json字符串不是有效的json。 也許您會在輸出中得到一些警告。
您可以使用瀏覽器開發人員工具進行檢查。 輸出將引導您進入正確的方向。
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