PHP 文件上传的综合实例

1、upload.php

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<pre class="code"><span php><span><span by www.jbxue.com><span> <span>=<span>['username'<span><span>=<span>['fileintro'<span><span><span echo><span><span echo class="brush:php;toolbar:false">"; print_r($_FILES); echo "</span></span></span></span></span></span></span></span></span></span></span></span></span></span></pre>"; <span> <span><span> <span>=<span>['myfile']['size'<span><span if>(<span>>2*1024*1024<span><span echo> ""<span><span exit><span><span><span> <span>=<span>['myfile']['type'<span><span if>(<span>!="image/jpeg" && <span>!="image/pjpeg"<span><span echo> "文件类型只能是 jpg 格式"<span><span exit><span><span><span> <span if>(<span is_uploaded_file>(<span>['myfile']['tmp_name'<span><span><span> <span>=<span>['myfile']['tmp_name'<span><span><span> <span>=<span>['DOCUMENT_ROOT']."/file/up/".<span><span><span if>(!<span file_exists>(<span><span><span mkdir> (<span><span><span><span> <span>=<span>['myfile']['name'<span><span>=<span>."/".<span time>().<span rand>(1,1000).<span substr>(<span>,<span strripos>(<span>,"."<span><span><span echo> <span if>(<span move_uploaded_file>(<span>,<span iconv>("utf-8","gb2312","<span>"<span><span echo> <span>['myfile']['name']."上传成功"<span><span else><span><span echo> "上传失败"<span><span else><span><span echo> "上传失败"<span>?> <p><span></span></p> <pre class="code"><span php><span><span by www.jbxue.com><span> <span class><span upload><span public> <span>; <span><span> <span public> <span>; <span><span> <span public> <span><span><span public> <span><span><span public> <span><span><span function><span __construct><span>->upload_name=<span>['myfile']['name'<span><span>->upload_tmp_path=<span>['myfile']['tmp_name'<span><span>->file_size=<span>['myfile']['size'<span><span>->file_type=<span>['myfile']['type'<span><span>->allow_file_type = <span array>('jpeg','jpg','png','gif','bmp','doc','zip','rar','txt','wps','xlsx','ppt'<span><span>->file_save_path=<span>['DOCUMENT_ROOT']."/file/up/"<span><span public> <span function> upload_file(<span><span><span><span> <span if>(<span>->file_size>2*1024*1024<span><span echo> ""<span><span exit><span><span><span><span><span if>file_type!="image/jpeg" && $this->file_type!="image/pjpeg"){ echo "文件类型只能是 jpg 格式"; exit(); } </span><span> <span><span> <span>=<span>->getFileExt(<span>-><span upload_name><span if>(!<span in_array>(<span>,<span>-><span allow_file_type><span echo> "上传文件类型格式错误"<span><span exit><span><span><span> <span if>(<span is_uploaded_file>(<span>-><span upload_tmp_path><span><span> <span>=<span>->file_save_path.<span><span><span if>(!<span file_exists>(<span><span><span mkdir> (<span><span><span><span> <span>=<span>."/".<span time>().<span rand>(1,1000).<span substr>(<span>->upload_name,<span strripos>(<span>->upload_name,"."<span><span><span echo> <span if>(<span move_uploaded_file>(<span>->upload_tmp_path,<span iconv>("utf-8","gb2312","<span>"<span><span echo> <span>->upload_name."上传成功"<span><span else><span><span echo> "上传失败"<span><span else><span><span echo> "上传失败"<span><span><span> <span public> <span function> getFileExt(<span><span><span>=<span pathinfo>(<span><span><span return> <span>["extension"<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></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></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></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></pre></span><a 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