安装插件后，首页图片无法显示[已解决]

家洛

yi我用的是Arthemia 2.0主题，装了插件后，为什么首页的图片全显示不了呢？http://www.8cj.cn

[ 本帖最后由 majinjie2001 于 2008-8-10 09:08 编辑 ]

dianso

发现图片后面都有&w=300&h=275&zc=1&q=100这段代码
你看看主题是不是有问题

家洛

主题没问题啊~ 装插件之前还是好好的啊~

page

主题文件夹 下timthumb.php文件有问题吧。

家洛

timthumb.php文件在下面帮忙看看


<?php
// TimThumb script created by Tim McDaniels and Darren Hoyt with tweaks by Ben Gillbanks
// http://code.google.com/p/timthumb/
// MIT License: http://www.opensource.org/licenses/mit-license.php
/* Parameters allowed: */
// w: width
// h: height
// zc: zoom crop (0 or 1)
// q: quality (default is 75 and max is 100)
// HTML example: <img src="/scripts/timthumb.php?src=/images/whatever.jpg&w=150&h=200&zc=1" alt="" />

if( !isset( $_REQUEST[ "src" ] ) ) { die( "no image specified" ); }
// clean params before use
$src = $_REQUEST['src'];
// possibles?
//$src = preg_replace( "/^(\.+(\/|))+/", "", $src );
//$src = str_replace( "../", "", $src );
//$src = preg_replace( '/^(s?f|ht)tps?:\/\/[^\/]+/i', '', $src );
$src = preg_replace( "/(?:^\/+|\.{2,}\/+?)/", "", $src );
$src = preg_replace( '/^\w+:\/\/[^\/]+/', '', $src );
$new_width = preg_replace( "/[^0-9]+/", "", $_REQUEST[ 'w' ] );
$new_height = preg_replace( "/[^0-9]+/", "", $_REQUEST[ 'h' ] );
$zoom_crop = preg_replace( "/[^0-9]+/", "", $_REQUEST[ 'zc' ] );
if( !isset( $_REQUEST['q'] ) ) { $quality = 80; } else { $quality = preg_replace("/[^0-9]/", "", $_REQUEST['q'] ); }
// set path to cache directory (default is ./cache)
// this can be changed to a different location
$cache_dir = './cache';
// get mime type of src
$mime_type = mime_type( $src );
// check to see if this image is in the cache already
check_cache( $cache_dir, $mime_type );
// make sure that the src is gif/jpg/png
if( !valid_src_mime_type( $mime_type ) ) {
$error = "Invalid src mime type: $mime_type";
die( $error );
}
// check to see if GD function exist
if(!function_exists('imagecreatetruecolor')) {
$error = "GD Library Error: imagecreatetruecolor does not exist";
die( $error );
}
// set document root
$doc_root = $_SERVER['DOCUMENT_ROOT'];
// get path to image on file system
$src = $doc_root . '/' . $src;
if(strlen($src) && file_exists( $src ) ) {
// open the existing image
$image = open_image($mime_type, $src);
if ($image === false) { die ('Unable to open image : ' . $src ); }  
// Get original width and height
$width = imagesx($image);
$height = imagesy($image);
// generate new w/h if not provided
if($new_width && !$new_height) {
  $new_height = $height * ($new_width/$width);
}
elseif($new_height && !$new_width) {
  $new_width = $width * ($new_height/$height);
}
elseif(!$new_width && !$new_height) {
  $new_width = $width;
  $new_height = $height;
}
// create a new true color image
$canvas = imagecreatetruecolor($new_width, $new_height);
if( $zoom_crop ) {
  $src_x = $src_y = 0;
  $src_w = $width;
  $src_h = $height;
  $cmp_x = $width  / $new_width;
  $cmp_y = $height / $new_height;
  // calculate x or y coordinate and width or height of source
  if ( $cmp_x > $cmp_y ) {
   $src_w = round( ( $width / $cmp_x * $cmp_y ) );
   $src_x = round( ( $width - ( $width / $cmp_x * $cmp_y ) ) / 2 );
  }
  elseif ( $cmp_y > $cmp_x ) {
   $src_h = round( ( $height / $cmp_y * $cmp_x ) );
   $src_y = round( ( $height - ( $height / $cmp_y * $cmp_x ) ) / 2 );
  }
        
  imagecopyresampled( $canvas, $image, 0, 0, $src_x, $src_y, $new_width, $new_height, $src_w, $src_h );
}
else {
  // copy and resize part of an image with resampling
  imagecopyresampled( $canvas, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height );
}
// output image to browser based on mime type
show_image( $mime_type, $canvas, $quality, $cache_dir );

// remove image from memory
ImageDestroy( $canvas );

} else {
if( strlen( $src ) ) { echo $src . ' not found.'; } else { echo 'no source specified.'; }

}
function show_image ($mime_type, $image_resized, $quality, $cache_dir) {
// check to see if we can write to the cache directory
$is_writable = 0;
$cache_file_name = $cache_dir . '/' . get_cache_file();         
if( touch( $cache_file_name ) ) {
  // give 666 permissions so that the developer
  // can overwrite web server user
  chmod( $cache_file_name, 0666 );
  $is_writable = 1;
}
else {
  $cache_file_name = NULL;
  header('Content-type: ' . $mime_type);
}

if(stristr( $mime_type, 'gif' ) ) {
  imagegif( $image_resized, $cache_file_name );
}
elseif( stristr( $mime_type, 'jpeg' ) ) {
  imagejpeg( $image_resized, $cache_file_name, $quality );
}
elseif( stristr( $mime_type, 'png' ) ) {
  imagepng( $image_resized, $cache_file_name, ceil( $quality / 10 ) );
}
if( $is_writable ) { show_cache_file( $cache_dir, $mime_type ); }
exit;
}
function open_image ($mime_type, $src) {
if(stristr($mime_type, 'gif')) {
  $image = imagecreatefromgif($src);
}
elseif(stristr($mime_type, 'jpeg')) {
  $image = imagecreatefromjpeg($src);
}
elseif(stristr($mime_type, 'png')) {
  $image = imagecreatefrompng($src);
}
return $image;
}
function mime_type( $file ) {
$frags = split( "\.", $file );
$ext = strtolower( $frags[ count( $frags ) - 1 ] );
$types = array(
   'jpg'  => 'image/jpeg',
   'jpeg' => 'image/jpeg',
   'png'  => 'image/png',
   'gif'  => 'image/gif',
   'bmp'  => 'image/bmp',
   'doc'  => 'application/msword',
   'xls'  => 'application/msword',
   'xml'  => 'text/xml',
   'html' => 'text/html'
  );
$mime_type = $types[ $ext ];
if( !strlen( $mime_type ) ) { $mime_type = 'unknown'; }
return $mime_type;

}
function valid_src_mime_type ( $mime_type ) {
if( preg_match( "/jpg|jpeg|gif|png/i", $mime_type ) ) { return 1; }
return 0;
}
function check_cache ( $cache_dir, $mime_type ) {
// make sure cache dir exists
if( !file_exists( $cache_dir ) ) {
  // give 777 permissions so that developer can overwrite
  // files created by web server user
  mkdir( $cache_dir );
  chmod( $cache_dir, 0777 );
}

show_cache_file( $cache_dir, $mime_type );
}
function show_cache_file ( $cache_dir, $mime_type ) {
    $cache_file = get_cache_file();
   
    if( file_exists( $cache_dir . '/' . $cache_file ) ) {
   
     // check for updates
  $if_modified_since = preg_replace( '/;.*$/', '', $_SERVER[ "HTTP_IF_MODIFIED_SINCE" ] );
  $gmdate_mod = gmdate( 'D, d M Y H:i:s', filemtime( $cache_dir . '/' . $cache_file ) );
  if( strstr( $gmdate_mod, 'GMT' ) ) {
   $gmdate_mod .= " GMT";
  }

  //error_log("TimThumb: $gmdate_mod == $if_modified_since");

  if ( $if_modified_since == $gmdate_mod ) {
   header( "HTTP/1.1 304 Not Modified" );
   exit;
  }
  
     // send headers then display image
     header( "Content-Type: " . $mime_type );
     header( "Last-Modified: " . gmdate( 'D, d M Y H:i:s', filemtime( $cache_dir . '/' . $cache_file ) . " GMT" ) );
     header( "Content-Length: " . filesize( $cache_dir . '/' . $cache_file ) );
     header( "Cache-Control: max-age=9999, must-revalidate" );
     header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + 9999 ) . "GMT" );
     readfile( $cache_dir . '/' . $cache_file );
  exit;
    }
   
}
function get_cache_file () {
$request_params = $_REQUEST;
$cachename = $_REQUEST['src'] . $_REQUEST['w'] . $_REQUEST['h'] . $_REQUEST['zc'] . $_REQUEST['q'];
$cache_file = md5( $cachename );
return $cache_file;
}
?>

page

看不懂php 抱歉阿，呵呵

这个文件 应该是显示缩略图的目的。


你先看看 是否有插件冲突吧。

家洛

谢谢各位的关心，问题在于与wordpress自助链接auto-blogroll   有关，不过呢，这插件作者是刚开发的，我已经和作者反映了～ 相信会解决的！安装应该没问题！

家洛

开发软件不容易啊，出现的问题解决了！:victory: 联系了作者，作者可是高人啊～ 一会就解决了这问题，还给我了个结贴如下：

结贴：多谢CJ的问题，这个问题是因为安装的时候，程序执行了chmod的操作，也就是说更改模板目录的权限为0777，但是程序所处的组是服务器httpd所在的权限组无法访问的，所以会引起模板目录下的文件无法访问。
大部分的linux系统的服务器没有问题，个别的因为用户权限组与httpd权限组的权限独立会引起此问题，如果遇到了模板的部分文件无法访问，请使用ftp软件重新更改主题目录的权限为0777即可解决问题！
再次感谢CJ的测试！

不过问题解决，插件也升级了，大家可以放心使用，不会出现这种问题～～～～
再次感谢作者askie.给我们提供这么好的插件！！！

jok

脚本程序可以修改文件夹权限?
记下来先