php随笔1-php图片处理
php图片处理的知识内容
upload_image.php:
<span style="color: #0000ff;"><span style="color: #ff00ff;">DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"><span style="color: #800000;">html </span><span style="color: #ff0000;">xmlns</span><span style="color: #0000ff;">="http://www.w3.org/1999/xhtml"</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"><span style="color: #800000;">head</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">http-equiv</span><span style="color: #0000ff;">="Content-Type"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="text/html; charset=gb2312"</span> <span style="color: #0000ff;">/></span> <span style="color: #0000ff;"><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>图片上传页<span style="color: #0000ff;"></span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">style </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text/css"</span><span style="color: #0000ff;">></span><span style="background-color: #f5f5f5; color: #800000;">.file-box</span><span style="background-color: #f5f5f5; color: #000000;">{</span><span style="background-color: #f5f5f5; color: #ff0000;"> position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">relative</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;">width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">340px</span><span style="background-color: #f5f5f5; color: #000000;">}</span><span style="background-color: #f5f5f5; color: #800000;"> .txt</span><span style="background-color: #f5f5f5; color: #000000;">{</span><span style="background-color: #f5f5f5; color: #ff0000;"> height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">22px</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1px solid #cdcdcd</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">200px</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;">border-right</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">none</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span><span style="background-color: #f5f5f5; color: #800000;"> .btn</span><span style="background-color: #f5f5f5; color: #000000;">{</span><span style="background-color: #f5f5f5; color: #ff0000;"> background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">#FFF</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> border</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">1px solid #CDCDCD</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;">height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">26px</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">70px</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #000000;">}</span><span style="background-color: #f5f5f5; color: #800000;"> .file</span><span style="background-color: #f5f5f5; color: #000000;">{</span><span style="background-color: #f5f5f5; color: #ff0000;"> position</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">absolute</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> top</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">0</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> right</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">80px</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">24px</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> filter</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">alpha(opacity:0)</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;">opacity</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;">width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;">260px </span><span style="background-color: #f5f5f5; color: #000000;">}</span> <span style="color: #0000ff;"></span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">script </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text/javascript"</span> <span style="color: #0000ff;">></span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">JS获取路径 ---成功</span> <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> change()<br> { </span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> pic</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">document.getElementById(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">pic</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); </span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> file</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">document.getElementById(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">fileField</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">); pic.src</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">file.value; </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(file.files){ </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(file.files.item(</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">)){ </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">src = window.URL.createObjectURL(fileObj.files[0]);</span><span style="background-color: #f5f5f5; color: #000000;"> url</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">window.URL.createObjectURL(file.files.item(</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">)); document.getElementById(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">textfield</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).value </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> pic.src ; pic.src</span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;">url; } } } </span><span style="color: #0000ff;"></span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"><span style="color: #800000;">form </span><span style="color: #ff0000;">action</span><span style="color: #0000ff;">="check_image.php"</span><span style="color: #ff0000;"> method</span><span style="color: #0000ff;">="post"</span><span style="color: #ff0000;"> enctype</span><span style="color: #0000ff;">="multipart/form-data"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">table </span><span style="color: #ff0000;">border</span><span style="color: #0000ff;">="1"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>上传人名称：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">='txt' </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">="username"</span> <span style="color: #0000ff;">/></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>*上传图片：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="file-box"</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">='text' </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">='textfield' </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">='textfield' </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">='txt' </span><span style="color: #0000ff;">/><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">='button' </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">='btn' </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">='浏览...' </span><span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="file"</span><span style="color: #ff0000;"> name</span><span style="color: #0000ff;">="uploadfile"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="file"</span><span style="color: #ff0000;"> id</span><span style="color: #0000ff;">="fileField"</span><span style="color: #ff0000;"> size</span><span style="color: #0000ff;">="28"</span><span style="color: #ff0000;"> onchange</span><span style="color: #0000ff;">="change();"</span> <span style="color: #0000ff;">/></span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="hidden"</span><span style="color: #ff0000;"> id</span><span style="color: #0000ff;">="theFilePath"</span><span style="color: #ff0000;"> name</span><span style="color: #0000ff;">="theFilePath"</span><span style="color: #ff0000;"> value</span><span style="color: #0000ff;">=""</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">td </span><span style="color: #ff0000;">colspan</span><span style="color: #0000ff;">="2"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">small</span><span style="color: #0000ff;">><span style="color: #800000;">em</span><span style="color: #0000ff;">></span> * 可接受的图像格式：GIF，JPG、JPEG和PNG。上传后图片会变为1280X960大小。<span style="color: #0000ff;"></span><span style="color: #800000;">em</span><span style="color: #0000ff;">></span><span style="color: #800000;">small</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>图片标题：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">='txt' </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">="caption"</span><span style="color: #0000ff;">/></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">td </span><span style="color: #ff0000;">colspan</span><span style="color: #0000ff;">="2"</span><span style="color: #ff0000;"> style</span><span style="color: #0000ff;">="text-align:center;"</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="submit"</span><span style="color: #ff0000;"> name</span><span style="color: #0000ff;">="submit"</span><span style="color: #ff0000;"> value</span><span style="color: #0000ff;">="Upload"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">='btn' </span><span style="color: #0000ff;">/></span> <span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"></span><span style="color: #800000;">table</span><span style="color: #0000ff;">></span> <span style="color: #0000ff;"><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">=""</span><span style="color: #ff0000;"> name</span><span style="color: #0000ff;">="pic"</span><span style="color: #ff0000;"> id</span><span style="color: #0000ff;">="pic"</span> <span style="color: #0000ff;">/></span> <span style="color: #0000ff;"><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span> <span style="color: #0000ff;"></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span><span style="color: #0000ff;"></span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
check_image.php 集合图片上传，MySQL数据库保存，图片放大至1280X960，图片加文字，图片PS处理，图片缩略图，图片打LOGO水印。功能集合强大。
<span style="color: #000000;">php </span><span style="color: #008000;">//</span><span style="color: #008000;">session</span> <span style="color: #008080;">session_start</span><span style="color: #000000;">(); </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_POST</span>['submit'] == 'Upload'<span style="color: #000000;">) { </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_FILES</span>['uploadfile']['error'] !=<span style="color: #000000;"> UPLOAD_ERR_OK) { </span><span style="color: #0000ff;">switch</span>(<span style="color: #800080;">$_FILES</span>['uploadfile']['error'<span style="color: #000000;">]) { </span><span style="color: #0000ff;">case</span> UPLOAD_ERR_INI_SIZE: <span style="color: #008000;">//</span><span style="color: #008000;">其值为 1，上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值</span> <span style="color: #0000ff;">die</span>('上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值'<span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> UPLOAD_ERR_FORM_SIZE: <span style="color: #008000;">//</span><span style="color: #008000;">其值为 2，上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值</span> <span style="color: #0000ff;">die</span>('上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值'<span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> UPLOAD_ERR_PARTIAL: <span style="color: #008000;">//</span><span style="color: #008000;">其值为 3，文件只有部分被上传</span> <span style="color: #0000ff;">die</span>('文件只有部分被上传'<span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> UPLOAD_ERR_NO_FILE: <span style="color: #008000;">//</span><span style="color: #008000;">其值为 4，没有文件被上传</span> <span style="color: #0000ff;">die</span>('没有文件被上传'<span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> UPLOAD_ERR_NO_TMP_DIR: <span style="color: #008000;">//</span><span style="color: #008000;">其值为 6，找不到临时文件夹</span> <span style="color: #0000ff;">die</span>('找不到临时文件夹'<span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> UPLOAD_ERR_CANT_WRITE: <span style="color: #008000;">//</span><span style="color: #008000;">其值为 7，文件写入失败</span> <span style="color: #0000ff;">die</span>('文件写入失败'<span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> UPLOAD_ERR_EXTENSION: <span style="color: #008000;">//</span><span style="color: #008000;">其他异常</span> <span style="color: #0000ff;">die</span>('其他异常'<span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; } } </span><span style="color: #008000;">//</span><span style="color: #008000;">判断图片的后缀</span> <span style="color: #0000ff;">switch</span>(<span style="color: #800080;">$type</span><span style="color: #000000;">) { </span><span style="color: #0000ff;">case</span> IMAGETYPE_GIF: <span style="color: #800080;">$ext</span> = '.gif'<span style="color: #000000;">; </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMAGETYPE_JPEG: <span style="color: #800080;">$ext</span> = '.jpg'<span style="color: #000000;">; </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMAGETYPE_PNG: <span style="color: #800080;">$ext</span> = '.png'<span style="color: #000000;">; </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">default</span> : <span style="color: #0000ff;">die</span>('您上传的文件不支持的文件类型。'<span style="color: #000000;">); } </span><span style="color: #008000;">//</span><span style="color: #008000;">关键位置-取出文件后缀</span> <span style="color: #800080;">$_SESSION</span>['ext'] = <span style="color: #800080;">$ext</span><span style="color: #000000;">; } </span><span style="color: #008000;">/*</span><span style="color: #008000;"> //改变图像的大小为1280x960的方法 function resizepic($imgsrc,$imagename,$toimgwidth,$toimgheigth) { //$imgsrc：图片路径 $imgname: 图片保存的名称 $toimgwidth: 图片最终的宽度 $toimgheigth: 图片最终的高度 $arr = getimagesize($imgsrc); $imgWidth = $toimgwidth; $imgHeigth = $toimgheigth; if($_SESSION['ext'] == '.jpg') { header('Content-Type:image/jpeg'); $imgSrc = imagecreatefromjpeg($imgsrc); } if($_SESSION['ext'] == '.png') { header('Content-Type:image/png'); $imgSrc = imagecreatefrompng($imgsrc); } if($_SESSION['ext'] == '.gif') { header('Content-Type:image/gif'); $imgSrc = imagecreatefromgif($imgsrc); } $image = imagecreatetruecolor($imgWidth, $imgHeigth); imagecopyresampled($image,$imgSrc,0,0,0,0,$imgWidth,$imgHeigth,$arr[0],$arr[1]); if($_SESSION['ext'] == '.jpg') { imagejpeg($image,$dir.'/'.$imagename); } if($_SESSION['ext'] == '.png') { imagepng($image,$dir.'/'.$imagename); } if($_SESSION['ext'] == '.gif') { imagegif($image,$dir.'/'.$imagename); } //销毁由url生成的图片 imagedestroy($image); } </span><span style="color: #008000;">*/</span> <span style="color: #008000;">//</span><span style="color: #008000;">创建moviesite数据库--MySQL</span> <span style="color: #800080;">$coon</span> = <span style="color: #008080;">mysql_connect</span>("localhost","root","lifu") or <span style="color: #0000ff;">die</span>('不能连接到数据库'<span style="color: #000000;">); </span><span style="color: #0000ff;">if</span> (!<span style="color: #800080;">$coon</span><span style="color: #000000;">) { </span><span style="color: #0000ff;">die</span>('无法连接: ' . <span style="color: #008080;">mysql_error</span><span style="color: #000000;">()); } </span><span style="color: #0000ff;">if</span> (<span style="color: #008080;">mysql_query</span>("CREATE DATABASE if not exists moviesite",<span style="color: #800080;">$coon</span>)) <span style="color: #008000;">//</span><span style="color: #008000;">如果没有就创建数据库</span><span style="color: #000000;"> { </span><span style="color: #0000ff;">echo</span> "数据库创建成功<br>"<span style="color: #000000;">; } </span><span style="color: #0000ff;">else</span><span style="color: #000000;"> { </span><span style="color: #0000ff;">echo</span> "数据库创建错误: " . <span style="color: #008080;">mysql_error</span><span style="color: #000000;">(); } </span><span style="color: #008000;">//</span><span style="color: #008000;"> 创建images表</span> <span style="color: #008080;">mysql_select_db</span>("moviesite", <span style="color: #800080;">$coon</span><span style="color: #000000;">); </span><span style="color: #008000;">//</span><span style="color: #008000;">如果没有就创建表</span> <span style="color: #800080;">$sql</span> = "<span style="color: #000000;">CREATE TABLE if not exists images ( image_id int NOT NULL AUTO_INCREMENT, PRIMARY KEY(image_id), image_caption varchar(15), image_username varchar(15), image_filename varchar(15), image_date datetime )</span>"<span style="color: #000000;">; </span><span style="color: #008080;">mysql_query</span>(<span style="color: #800080;">$sql</span>,<span style="color: #800080;">$coon</span><span style="color: #000000;">); </span><span style="color: #008080;">mysql_close</span>(<span style="color: #800080;">$coon</span><span style="color: #000000;">); </span><span style="color: #008000;">//</span><span style="color: #008000;">修改图片效果</span> <span style="color: #800080;">$db</span> = <span style="color: #008080;">mysql_connect</span>('localhost','root','lifu') or <span style="color: #0000ff;">die</span>('不能连接到数据库'<span style="color: #000000;">); </span><span style="color: #008080;">mysql_select_db</span>('moviesite',<span style="color: #800080;">$db</span>) or <span style="color: #0000ff;">die</span>(<span style="color: #008080;">mysql_error</span>(<span style="color: #800080;">$db</span><span style="color: #000000;">)); </span><span style="color: #008000;">//</span><span style="color: #008000;">上传文件的路径</span> <span style="color: #800080;">$dir</span> = 'D:\phpStudy\WWW\loadimages\images'<span style="color: #000000;">; </span><span style="color: #008000;">//</span><span style="color: #008000;">缩略图的路径</span> <span style="color: #800080;">$thumbdir</span> = 'D:\phpStudy\WWW\loadimages\images\thumbs'<span style="color: #000000;">; </span><span style="color: #008000;">//</span><span style="color: #008000;">设置环境变量</span> <span style="color: #008080;">putenv</span>('GDFONTPATH='.'C:\Windows\Fonts'<span style="color: #000000;">); </span><span style="color: #800080;">$font</span> = "C:\Windows\Fonts\arial.ttf"<span style="color: #000000;">; </span><span style="color: #008000;">//</span><span style="color: #008000;">upload_image.php页面传递过来的参数，如果是上传图片</span> <span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_POST</span>['submit'] == 'Upload'<span style="color: #000000;">) { </span><span style="color: #008000;">/*</span><span style="color: #008000;">代码重复 if($_FILES['uploadfile']['error'] != UPLOAD_ERR_OK) { switch($_FILES['uploadfile']['error']) { case UPLOAD_ERR_INI_SIZE: //其值为 1，上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值 die('上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值'); break; case UPLOAD_ERR_FORM_SIZE: //其值为 2，上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值 die('上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值'); break; case UPLOAD_ERR_PARTIAL: //其值为 3，文件只有部分被上传 die('文件只有部分被上传'); break; case UPLOAD_ERR_NO_FILE: //其值为 4，没有文件被上传 die('没有文件被上传'); break; case UPLOAD_ERR_NO_TMP_DIR: //其值为 6，找不到临时文件夹 die('找不到临时文件夹'); break; case UPLOAD_ERR_CANT_WRITE: //其值为 7，文件写入失败 die('文件写入失败'); break; case UPLOAD_ERR_EXTENSION: //其他异常 die('其他异常'); break; } } </span><span style="color: #008000;">*/</span> <span style="color: #800080;">$image_caption</span> = <span style="color: #800080;">$_POST</span>['caption'<span style="color: #000000;">]; </span><span style="color: #800080;">$image_username</span> = <span style="color: #800080;">$_POST</span>['username'<span style="color: #000000;">]; </span><span style="color: #800080;">$image_date</span> = <span style="color: #008080;">date</span>('Y-m-D'<span style="color: #000000;">); </span><span style="color: #008000;">/*</span><span style="color: #008000;">getimagesize方法返回一个数组， $width : 索引 0 包含图像宽度的像素值， $height : 索引 1 包含图像高度的像素值， $type : 索引 2 是图像类型的标记： = GIF，2 = JPG， 3 = PNG， 4 = SWF， 5 = PSD， 6 = BMP， = TIFF(intel byte order)，8 = TIFF(motorola byte order)， = JPC，10 = JP2，11 = JPX，12 = JB2，13 = SWC，14 = IFF，15 = WBMP，16 = XBM， $attr : 索引 3 是文本字符串，内容为“height="yyy" width="xxx"”，可直接用于 IMG 标记 </span><span style="color: #008000;">*/</span> <span style="color: #0000ff;">list</span>(<span style="color: #800080;">$width</span>,<span style="color: #800080;">$height</span>,<span style="color: #800080;">$type</span>,<span style="color: #800080;">$attr</span>) = <span style="color: #008080;">getimagesize</span>(<span style="color: #800080;">$_FILES</span>['uploadfile']['tmp_name'<span style="color: #000000;">]); </span><span style="color: #008000;">//</span><span style="color: #008000;">imagecreatefromgXXX方法从一个url路径中创建一个新的图片</span> <span style="color: #0000ff;">switch</span>(<span style="color: #800080;">$type</span><span style="color: #000000;">) { </span><span style="color: #0000ff;">case</span> IMAGETYPE_GIF: <span style="color: #800080;">$image</span> = imagecreatefromgif(<span style="color: #800080;">$_FILES</span>['uploadfile']['tmp_name']) or <span style="color: #0000ff;">die</span>('你上传的文件是不支持的文件类型'<span style="color: #000000;">); </span><span style="color: #800080;">$ext</span> = '.gif'<span style="color: #000000;">; </span><span style="color: #800080;">$array</span> = <span style="color: #008080;">getimagesize</span>(<span style="color: #800080;">$_FILES</span>['uploadfile']['tmp_name'<span style="color: #000000;">]); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMAGETYPE_JPEG: <span style="color: #800080;">$image</span> = imagecreatefromjpeg(<span style="color: #800080;">$_FILES</span>['uploadfile']['tmp_name']) or <span style="color: #0000ff;">die</span>('你上传的文件是不支持的文件类型'<span style="color: #000000;">); </span><span style="color: #800080;">$ext</span> = '.jpg'<span style="color: #000000;">; </span><span style="color: #800080;">$array</span> = <span style="color: #008080;">getimagesize</span>(<span style="color: #800080;">$_FILES</span>['uploadfile']['tmp_name'<span style="color: #000000;">]); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMAGETYPE_PNG: <span style="color: #800080;">$image</span> = imagecreatefrompng(<span style="color: #800080;">$_FILES</span>['uploadfile']['tmp_name']) or <span style="color: #0000ff;">die</span>('你上传的文件是不支持的文件类型'<span style="color: #000000;">); </span><span style="color: #800080;">$ext</span> = '.png'<span style="color: #000000;">; </span><span style="color: #800080;">$array</span> = <span style="color: #008080;">getimagesize</span>(<span style="color: #800080;">$_FILES</span>['uploadfile']['tmp_name'<span style="color: #000000;">]); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">default</span> : <span style="color: #0000ff;">die</span>('您上传的文件不支持的文件类型。'<span style="color: #000000;">); } </span><span style="color: #008000;">//</span><span style="color: #008000;">将图片改为1280X960 //新建一个指定大小的真彩色图像big</span> <span style="color: #800080;">$big</span> = imagecreatetruecolor(1280, 960<span style="color: #000000;">); </span><span style="color: #008000;">//</span><span style="color: #008000;">重采样拷贝部分图像并调整大小为1280X960</span> imagecopyresampled(<span style="color: #800080;">$big</span>, <span style="color: #800080;">$image</span>, 0, 0, 0, 0, 1280, 960, <span style="color: #800080;">$array</span>[0], <span style="color: #800080;">$array</span>[1<span style="color: #000000;">]); </span><span style="color: #800080;">$query</span> = 'insert into images(image_caption,image_username,image_date) values ("'.<span style="color: #800080;">$image_caption</span>.'","'.<span style="color: #800080;">$image_username</span>.'",now())'<span style="color: #000000;">; </span><span style="color: #008080;">mysql_query</span>(<span style="color: #800080;">$query</span> , <span style="color: #800080;">$db</span>) or <span style="color: #0000ff;">die</span>(<span style="color: #008080;">mysql_error</span>(<span style="color: #800080;">$db</span><span style="color: #000000;">)); </span><span style="color: #800080;">$last_id</span> = <span style="color: #008080;">mysql_insert_id</span><span style="color: #000000;">(); </span><span style="color: #008000;">//</span><span style="color: #008000;">用写入的id作为图片的名字，避免同名的文件存放在同一目录中</span> <span style="color: #800080;">$imagename</span> = <span style="color: #800080;">$last_id</span>.<span style="color: #800080;">$ext</span><span style="color: #000000;">; </span><span style="color: #800080;">$image_id</span> = <span style="color: #800080;">$last_id</span><span style="color: #000000;">; </span><span style="color: #800080;">$query</span> = 'update images set image_filename="'.<span style="color: #800080;">$imagename</span>.'" where image_id='.<span style="color: #800080;">$last_id</span><span style="color: #000000;">; </span><span style="color: #008080;">mysql_query</span>(<span style="color: #800080;">$query</span> , <span style="color: #800080;">$db</span>) or <span style="color: #0000ff;">die</span>(<span style="color: #008080;">mysql_error</span>(<span style="color: #800080;">$db</span><span style="color: #000000;">)); </span><span style="color: #008000;">//</span><span style="color: #008000;">有url指定的图片创建图片并保存到指定目录</span> <span style="color: #0000ff;">switch</span>(<span style="color: #800080;">$type</span><span style="color: #000000;">) { </span><span style="color: #0000ff;">case</span> IMAGETYPE_GIF:<span style="color: #000000;"> imagegif(</span><span style="color: #800080;">$big</span>,<span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$imagename</span><span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMAGETYPE_JPEG:<span style="color: #000000;"> imagejpeg(</span><span style="color: #800080;">$big</span>,<span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$imagename</span><span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMAGETYPE_PNG:<span style="color: #000000;"> imagepng(</span><span style="color: #800080;">$big</span>,<span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$imagename</span><span style="color: #000000;">); </span><span style="color: #0000ff;">break</span><span style="color: #000000;">; } </span><span style="color: #008000;">//</span><span style="color: #008000;">销毁由url生成的图片</span> imagedestroy(<span style="color: #800080;">$big</span><span style="color: #000000;">); imagedestroy(</span><span style="color: #800080;">$image</span><span style="color: #000000;">); } </span><span style="color: #0000ff;">else</span> <span style="color: #008000;">//</span><span style="color: #008000;">如果图片已经上传，则从数据库中取图片名字</span><span style="color: #000000;"> { </span><span style="color: #800080;">$query</span> = 'select image_id,image_caption,image_username,image_date from images where image_id='.<span style="color: #800080;">$_POST</span>['id'<span style="color: #000000;">]; </span><span style="color: #800080;">$result</span> = <span style="color: #008080;">mysql_query</span>(<span style="color: #800080;">$query</span>,<span style="color: #800080;">$db</span>) or <span style="color: #0000ff;">die</span>(<span style="color: #008080;">mysql_error</span>(<span style="color: #800080;">$db</span><span style="color: #000000;">)); </span><span style="color: #008000;">//</span><span style="color: #008000;">将结果集转换成关联数据，再将关联数组的键名当作变量名，值作为变量的值。</span> <span style="color: #008080;">extract</span>(<span style="color: #008080;">mysql_fetch_assoc</span>(<span style="color: #800080;">$result</span><span style="color: #000000;">)); </span><span style="color: #0000ff;">list</span>(<span style="color: #800080;">$width</span>,<span style="color: #800080;">$height</span>,<span style="color: #800080;">$type</span>,<span style="color: #800080;">$attr</span>) = <span style="color: #008080;">getimagesize</span>(<span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$image_id</span>.<span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]); } </span><span style="color: #008000;">//</span><span style="color: #008000;">如果是保存图片</span> <span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_POST</span>['submit'] == 'Save'<span style="color: #000000;">) { </span><span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['id']) && <span style="color: #008080;">ctype_digit</span>(<span style="color: #800080;">$_POST</span>['id']) && <span style="color: #008080;">file_exists</span>(<span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$_POST</span>['id'].<span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">])) { </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.jpg'<span style="color: #000000;">) { </span><span style="color: #800080;">$image</span> = imagecreatefromjpeg(<span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$_POST</span>['id'].<span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]); } </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.png'<span style="color: #000000;">) { </span><span style="color: #800080;">$image</span> = imagecreatefrompng(<span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$_POST</span>['id'].<span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]); } </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.gif'<span style="color: #000000;">) { </span><span style="color: #800080;">$image</span> = imagecreatefromgif(<span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$_POST</span>['id'].<span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]); } } </span><span style="color: #0000ff;">else</span><span style="color: #000000;"> { </span><span style="color: #0000ff;">die</span>('指定的无效图像'<span style="color: #000000;">); } </span><span style="color: #800080;">$effect</span> = (<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['effect'])) ? <span style="color: #800080;">$_POST</span>['effect'] : -1<span style="color: #000000;">; </span><span style="color: #0000ff;">switch</span>(<span style="color: #800080;">$effect</span><span style="color: #000000;">) { </span><span style="color: #0000ff;">case</span> IMG_FILTER_NEGATE:<span style="color: #000000;"> imagefilter(</span><span style="color: #800080;">$image</span> , IMG_FILTER_NEGATE); <span style="color: #008000;">//</span><span style="color: #008000;">将图像中所有颜色反转</span> <span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMG_FILTER_GRAYSCALE:<span style="color: #000000;"> imagefilter(</span><span style="color: #800080;">$image</span> , IMG_FILTER_GRAYSCALE); <span style="color: #008000;">//</span><span style="color: #008000;">将图像转换为灰度的</span> <span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMG_FILTER_EMBOSS:<span style="color: #000000;"> imagefilter(</span><span style="color: #800080;">$image</span> , IMG_FILTER_EMBOSS); <span style="color: #008000;">//</span><span style="color: #008000;">使图像浮雕化</span> <span style="color: #0000ff;">break</span><span style="color: #000000;">; </span><span style="color: #0000ff;">case</span> IMG_FILTER_GAUSSIAN_BLUR:<span style="color: #000000;"> imagefilter(</span><span style="color: #800080;">$image</span> , IMG_FILTER_GAUSSIAN_BLUR); <span style="color: #008000;">//</span><span style="color: #008000;">用高斯算法模糊图像</span> <span style="color: #0000ff;">break</span><span style="color: #000000;">; } </span><span style="color: #008000;">//</span><span style="color: #008000;">图片指定位置打印文字</span> <span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['emb_caption'<span style="color: #000000;">])) { </span><span style="color: #008000;">/*</span><span style="color: #008000;"> array imagettftext ( resource $image , float $size , float $angle , int $x , int $y , int $color , string $fontfile , string $text ) $image 图像源 $size 字体大小 $angle 逆时针旋转角度 $fontfile 字体类型 $text 文本内容 </span><span style="color: #008000;">*/</span><span style="color: #000000;"> imagettftext(</span><span style="color: #800080;">$image</span> , 12 , 0 , 20 , 20 , 0 , <span style="color: #800080;">$font</span> , <span style="color: #800080;">$image_caption</span><span style="color: #000000;">); } </span><span style="color: #008000;">//</span><span style="color: #008000;">图片指定位置打LOGO</span> <span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['emb_logo'<span style="color: #000000;">])) { </span><span style="color: #008000;">//</span><span style="color: #008000;">获取水印图片的尺寸并创建水印</span> <span style="color: #0000ff;">list</span>(<span style="color: #800080;">$wmk_width</span> , <span style="color: #800080;">$wmk_height</span>) = <span style="color: #008080;">getimagesize</span>('images/logo.png'<span style="color: #000000;">); </span><span style="color: #008000;">//</span><span style="color: #008000;">$x = ($width-$wmk_width) / 2; //$y = ($height-$wmk_height)/2;</span> <span style="color: #800080;">$x</span> = <span style="color: #800080;">$width</span>-<span style="color: #800080;">$wmk_width</span><span style="color: #000000;">; </span><span style="color: #800080;">$y</span> = <span style="color: #800080;">$height</span>-<span style="color: #800080;">$wmk_height</span><span style="color: #000000;">; </span><span style="color: #800080;">$wmk</span> = imagecreatefrompng('images/logo.png'<span style="color: #000000;">); </span><span style="color: #008000;">//</span><span style="color: #008000;">把水印图片和原图片合并在一起</span> <span style="color: #008000;">/*</span><span style="color: #008000;"> 将 wmk 图像中坐标从 0，0 开始，宽度为 $wmk_width，高度为 $wmk_height 的一部分拷贝到 image 图像中坐标为 $x 和 $y 的位置上。 两图像将根据 pct=20 来决定合并程度，其值范围从 0 到 100。当 pct = 0 时，实际上什么也没做，当为 100 时对于调色板图像本函数和 imagecopy() 完全一样，它对真彩色图像实现了 alpha 透明。 </span><span style="color: #008000;">*/</span><span style="color: #000000;"> imagecopymerge(</span><span style="color: #800080;">$image</span> , <span style="color: #800080;">$wmk</span> , <span style="color: #800080;">$x</span> , <span style="color: #800080;">$y</span> , 0 , 0 , <span style="color: #800080;">$wmk_width</span> , <span style="color: #800080;">$wmk_height</span> , 20<span style="color: #000000;">); </span><span style="color: #008000;">//</span><span style="color: #008000;">清除水印图片</span> imagedestroy(<span style="color: #800080;">$wmk</span><span style="color: #000000;">); } </span><span style="color: #008000;">//</span><span style="color: #008000;">缩略图大小</span> <span style="color: #800080;">$thumb_width</span> = <span style="color: #800080;">$width</span> * 0.10<span style="color: #000000;">; </span><span style="color: #800080;">$thumb_height</span> = <span style="color: #800080;">$height</span> * 0.10<span style="color: #000000;">; </span><span style="color: #008000;">//</span><span style="color: #008000;">创建一个缩略图</span> <span style="color: #800080;">$thumb</span> = imagecreatetruecolor(<span style="color: #800080;">$thumb_width</span>, <span style="color: #800080;">$thumb_height</span><span style="color: #000000;">); imagecopyresampled(</span><span style="color: #800080;">$thumb</span>, <span style="color: #800080;">$image</span>, 0, 0, 0, 0, <span style="color: #800080;">$thumb_width</span>, <span style="color: #800080;">$thumb_height</span>, <span style="color: #800080;">$width</span>, <span style="color: #800080;">$height</span><span style="color: #000000;">); </span><span style="color: #008000;">//</span><span style="color: #008000;">保存缩略图</span> <span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.jpg'<span style="color: #000000;">) { imagejpeg(</span><span style="color: #800080;">$thumb</span>, <span style="color: #800080;">$thumbdir</span> . '/' . <span style="color: #800080;">$_POST</span>['id'] . <span style="color: #800080;">$_SESSION</span>['ext'], 100<span style="color: #000000;">); } </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.png'<span style="color: #000000;">) {</span> imagepng(<span style="color: #800080;">$thumb</span>, <span style="color: #800080;">$thumbdir</span> . '/' . <span style="color: #800080;">$_POST</span>['id'] . <span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]); } </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.gif'<span style="color: #000000;">) { imagegif(</span><span style="color: #800080;">$thumb</span>, <span style="color: #800080;">$thumbdir</span> . '/' . <span style="color: #800080;">$_POST</span>['id'] . <span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]); } </span><span style="color: #0000ff;">echo</span> "修改好的缩略图：<img src="%22.%22images/thumbs/%22%20.%20<span%20style=%22color:%20#800080;%22>%24_POST</span>%5B" id . style="max-width:90%" alt="php漫笔1-php图片处理" >$_SESSION['ext']."' alt='' /> <br>"<span style="color: #000000;">; </span><span style="color: #008000;">//</span><span style="color: #008000;">清除缩略图</span> imagedestroy(<span style="color: #800080;">$thumb</span><span style="color: #000000;">); </span><span style="color: #008000;">//</span><span style="color: #008000;">保存原图</span> <span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.jpg'<span style="color: #000000;">) { imagejpeg(</span><span style="color: #800080;">$image</span> , <span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$_POST</span>['id'].<span style="color: #800080;">$_SESSION</span>['ext'] , 100<span style="color: #000000;">); } </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.png'<span style="color: #000000;">) { </span><span style="color: #008000;">//</span><span style="color: #008000;">压缩等级必须是0-9的png文件</span> imagepng(<span style="color: #800080;">$image</span> , <span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$_POST</span>['id'].<span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]); } </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_SESSION</span>['ext'] == '.gif'<span style="color: #000000;">) { imagegif(</span><span style="color: #800080;">$image</span> , <span style="color: #800080;">$dir</span>.'/'.<span style="color: #800080;">$_POST</span>['id'].<span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]); } </span><span style="color: #0000ff;">echo</span> "修改好的大图：<img src="%22.%22images/%22%20.%20<span%20style=%22color:%20#800080;%22>%24_POST</span>%5B" id . style="max-width:90%" alt="php漫笔1-php图片处理" >$_SESSION['ext']."' alt='' /> <br>"<span style="color: #000000;">; </span>?> <title>你的图片在这！</title> <h1>你的图片被保存！</h1> <img src="images/<?php%20echo%20<span%20 style="max-width:90%"php漫笔1-php图片处理" >$_POST['id'];?>.jpg" alt="" /> <span style="color: #000000;">php } </span><span style="color: #0000ff;">else</span><span style="color: #000000;"> { </span>?> <title>你的图片在这！</title> <p>这里是你上传到服务器上的图片：</p> <span style="color: #000000;">php </span><span style="color: #0000ff;">if</span>(<span style="color: #800080;">$_POST</span>['submit'] == 'Upload'<span style="color: #000000;">) { </span><span style="color: #800080;">$imagename</span> = 'images/'.<span style="color: #800080;">$image_id</span>.<span style="color: #800080;">$_SESSION</span>['ext'<span style="color: #000000;">]; } </span><span style="color: #0000ff;">else</span><span style="color: #000000;"> { </span><span style="color: #800080;">$imagename</span> = 'image_effect.php?id='.<span style="color: #800080;">$image_id</span>.'&e='.<span style="color: #800080;">$_POST</span>['effect'<span style="color: #000000;">]; </span><span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['emb_caption'<span style="color: #000000;">])) { </span><span style="color: #800080;">$imagename</span> .= '&capt='.<span style="color: #008080;">urlencode</span>(<span style="color: #800080;">$image_caption</span><span style="color: #000000;">); } </span><span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['emb_logo'<span style="color: #000000;">])) { </span><span style="color: #800080;">$imagename</span> .= '&logo=1'<span style="color: #000000;">; } } </span>?> <div> <?php <span style="color: #0000ff;">echo "src：".<span style="color: #800080;">$imagename</span> ; ?> <img src="<?php%20echo%20<span%20 style="max-width:90%"php漫笔1-php图片处理" >$imagename;?>" style="float:left;" alt="" /> <table> <tr> <td>Image save <span style="color: #0000ff;">as</span>:</td> <td>
<?php <span style="color: #0000ff;">echo "moviesite数据库images表第".<span style="color: #800080;">$image_id</span> ."行！" ;?></td> </tr> <tr> <td>Height:</td> <td>
<?php <span style="color: #0000ff;">echo <span style="color: #800080;">$height</span>;?></td> </tr> <tr> <td>Widht:</td> <td>
<?php <span style="color: #0000ff;">echo <span style="color: #800080;">$width</span>;?></td> </tr> <tr> <td>Upload <span style="color: #008080;">date</span>:</td> <td>
<?php <span style="color: #0000ff;">echo <span style="color: #800080;">$image_date</span>;?></td> </tr> </table> <p>你可以从下面的选项列表中对你的图像应用一个特殊的效果。注：使用任何一个过滤器，保存一个图像 <em>可以撤消</em></p> <form action="<?php%20echo%20<span%20style=" color:>$_SERVER['PHP_SELF'];?>" method="post"> <input type="hidden" name="id" value="<?php echo <span style=" color:>$image_id;?>"/> <select name="effect" id=""> <option value="-1">保持原状</option> <span style="color: #000000;">php </span><span style="color: #0000ff;">echo</span> '<option value="'.IMG_FILTER_GRAYSCALE.'" style="color: #000000;">; <span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['effect']) && <span style="color: #800080;">$_POST</span>['effect'] ==<span style="color: #000000;"> IMG_FILTER_GRAYSCALE) { </span><span style="color: #0000ff;">echo</span> 'selected="selected"'<span style="color: #000000;">; } </span><span style="color: #0000ff;">echo</span> ' >灰度图像</option>'<span style="color: #000000;">; </span><span style="color: #0000ff;">echo</span> '<option value="'.IMG_FILTER_GAUSSIAN_BLUR.'" style="color: #000000;">; <span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['effect']) && <span style="color: #800080;">$_POST</span>['effect'] ==<span style="color: #000000;"> IMG_FILTER_GAUSSIAN_BLUR) { </span><span style="color: #0000ff;">echo</span> ' selected="selected"'<span style="color: #000000;">; } </span><span style="color: #0000ff;">echo</span> '>高斯算法模糊图像</option>'<span style="color: #000000;">; </span><span style="color: #0000ff;">echo</span> '<option value="'.IMG_FILTER_EMBOSS.'" style="color: #000000;">; <span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['effect']) && <span style="color: #800080;">$_POST</span>['effect'] ==<span style="color: #000000;"> IMG_FILTER_EMBOSS) { </span><span style="color: #0000ff;">echo</span> 'selected="selected"'<span style="color: #000000;">; } </span><span style="color: #0000ff;">echo</span> '>图像浮雕化</option>'<span style="color: #000000;">; </span><span style="color: #0000ff;">echo</span> '<option value="'.IMG_FILTER_NEGATE.'" style="color: #000000;">; <span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['effect']) && <span style="color: #800080;">$_POST</span>['effect'] ==<span style="color: #000000;"> IMG_FILTER_NEGATE) { </span><span style="color: #0000ff;">echo</span> 'selected="selected"'<span style="color: #000000;">; } </span><span style="color: #0000ff;">echo</span> '>图像中所有颜色反转</option>'<span style="color: #000000;">; </span>?> </select><br> <span style="color: #000000;">php </span><span style="color: #0000ff;">echo</span> '<input type="checkbox" name="emb_caption" style="color: #000000;">; <span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['emb_caption'<span style="color: #000000;">])) { </span><span style="color: #0000ff;">echo</span> ' checked="checked"'<span style="color: #000000;">; } </span><span style="color: #0000ff;">echo</span> ' />是否嵌入在图像的标题？'<span style="color: #000000;">; </span><span style="color: #0000ff;">echo</span> '<br>'<span style="color: #000000;">; </span><span style="color: #008000;">//</span><span style="color: #008000;">添加水印选项</span> <span style="color: #0000ff;">echo</span> '<input type="checkbox" name="emb_logo" style="color: #000000;">; <span style="color: #0000ff;">if</span>(<span style="color: #0000ff;">isset</span>(<span style="color: #800080;">$_POST</span>['emb_logo'<span style="color: #000000;">])) { </span><span style="color: #0000ff;">echo</span> 'checked="checked"'<span style="color: #0"></span>
</form>
</div>
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