php读取excel,以及php打包文件夹为zip文件,
<span class="pln"><span>1.把文件下载到本地,放在在Apache环境下</span><br /><span>2.d.xlsx是某游戏的服务器名和玩家列表,本程序只适合此种xlsx文件结构,其他结构请修改index.php源码</span><br /><span>3.访问zip.php的功能是把生成的files文件夹打包成files.zip</span><br /><span>4.访问index.php即可生成files文件夹,里面0.js---n.js 分别存放各个服务器人名,server_name_list.js存放服务器列表。</span><br /><span>5.Classes 存放的是php读取excel的功能模块,具体任务逻辑都在index.php<br /><br />A.PHP读取excel支持excel2007<br /><br />demo逻辑代码:其中的(arrayRecursive,JSON方法是json数据处理功能,可兼容汉字)<br /></span>主要借助了:PHPExcel插件,附件中有Classes文件夹,官网:http://www.codeplex.com/PHPExcel<br />index.php<br /></span>
<?<span>php </span><span>/*</span><span>* Error reporting </span><span>*/</span> <span>error_reporting</span>(0<span>); </span><span>header</span>("Content-type: text/html; charset=utf-8"<span>); </span>?> <!doctype html> <html> <head> <meta charset="utf-8"> <title>标题</title> </head> <body> <?<span>php </span><span>/*</span><span>************************************************************* * * 使用特定function对数组中所有元素做处理 * @param string &$array 要处理的字符串 * @param string $function 要执行的函数 * @return boolean $apply_to_keys_also 是否也应用到key上 * @access public * ************************************************************</span><span>*/</span> <span>function</span> arrayRecursive(&<span>$array</span>, <span>$function</span>, <span>$apply_to_keys_also</span> = <span>false</span><span>) { </span><span>static</span> <span>$recursive_counter</span> = 0<span>; </span><span>if</span> (++<span>$recursive_counter</span> > 1000<span>) { </span><span>die</span>('possible deep recursion attack'<span>); } </span><span>foreach</span> (<span>$array</span> <span>as</span> <span>$key</span> => <span>$value</span><span>) { </span><span>if</span> (<span>is_array</span>(<span>$value</span><span>)) { arrayRecursive(</span><span>$array</span>[<span>$key</span>], <span>$function</span>, <span>$apply_to_keys_also</span><span>); } </span><span>else</span><span> { </span><span>$array</span>[<span>$key</span>] = <span>$function</span>(<span>$value</span><span>); } </span><span>if</span> (<span>$apply_to_keys_also</span> && <span>is_string</span>(<span>$key</span><span>)) { </span><span>$new_key</span> = <span>$function</span>(<span>$key</span><span>); </span><span>if</span> (<span>$new_key</span> != <span>$key</span><span>) { </span><span>$array</span>[<span>$new_key</span>] = <span>$array</span>[<span>$key</span><span>]; </span><span>unset</span>(<span>$array</span>[<span>$key</span><span>]); } } } </span><span>$recursive_counter</span>--<span>; } </span><span>/*</span><span>************************************************************* * * 将数组转换为JSON字符串(兼容中文) * @param array $array 要转换的数组 * @return string 转换得到的json字符串 * @access public * ************************************************************</span><span>*/</span> <span>function</span> JSON(<span>$array</span><span>) { arrayRecursive(</span><span>$array</span>, 'urlencode', <span>true</span><span>); </span><span>$json</span> = json_encode(<span>$array</span><span>); </span><span>return</span> <span>urldecode</span>(<span>$json</span><span>); } </span><span>require_once</span> 'Classes\PHPExcel.php'<span>; </span><span>require_once</span> 'Classes\PHPExcel\IOFactory.php'<span>; </span><span>require_once</span> 'Classes\PHPExcel\Reader\Excel2007.php'<span>; </span><span>$uploadfile</span>='d.xlsx'<span>; </span><span>$objReader</span> = PHPExcel_IOFactory::createReader('Excel2007');<span>/*</span><span>Excel5 for 2003 excel2007 for 2007</span><span>*/</span> <span>$objPHPExcel</span> = PHPExcel_IOFactory::load(<span>$uploadfile</span><span>); </span><span>$sheet</span> = <span>$objPHPExcel</span>->getSheet(0<span>); </span><span>$highestRow</span> = <span>$sheet</span>->getHighestRow(); <span>//</span><span> 取得总行数 </span> <span>$highestColumn</span> = <span>$sheet</span>->getHighestColumn(); <span>//</span><span> 取得总列数 </span> <span>/*</span><span>方法【推荐】</span><span>*/</span> <span>$objWorksheet</span> = <span>$objPHPExcel</span>-><span>getActiveSheet(); </span><span>$highestRow</span> = <span>$objWorksheet</span>->getHighestRow(); <span>//</span><span> 取得总行数 </span> <span>$highestColumn</span> = <span>$objWorksheet</span>-><span>getHighestColumn(); </span><span>$highestColumnIndex</span> = PHPExcel_Cell::columnIndexFromString(<span>$highestColumn</span>);<span>//</span><span>总列数 </span> <span>$list</span> = <span>array</span><span>(); </span><span>for</span> (<span>$row</span> = 1;<span>$row</span> <= <span>$highestRow</span>;<span>$row</span>++<span>) { </span><span>$strs</span>=<span>array</span><span>(); </span><span>//</span><span>注意highestColumnIndex的列数索引从0开始 </span> <span>for</span> (<span>$col</span> = 0;<span>$col</span> < <span>$highestColumnIndex</span>;<span>$col</span>++<span>) { </span><span>$strs</span>[<span>$col</span>] =<span>$objWorksheet</span>->getCellByColumnAndRow(<span>$col</span>, <span>$row</span>)-><span>getValue(); } </span><span>array_push</span>(<span>$list</span>, <span>$strs</span><span>); } </span><span>//</span><span>读取完毕 $list //处理数据,生成新的结构</span> <span>$n</span> = 0<span>; </span><span>$ser</span> = <span>array</span><span>(); </span><span>for</span>(<span>$i</span> = 0 ; <span>$i</span> < <span>count</span>(<span>$list</span>); <span>$i</span>++<span> ){ </span><span>$ser</span>[<span>$n</span>][0] = <span>$list</span>[<span>$i</span>][0<span>]; </span><span>if</span>(!<span>is_array</span>(@<span>$ser</span>[<span>$n</span>][1<span>])){ </span><span>$ser</span>[<span>$n</span>][1] = <span>array</span><span>(); } </span><span>array_push</span>(<span>$ser</span>[<span>$n</span>][1], <span>$list</span>[<span>$i</span>][1<span>]); </span><span>if</span>(<span>$i</span> != <span>count</span>(<span>$list</span>) -1<span>){ </span><span>if</span>(<span>$list</span>[<span>$i</span>][0] != <span>$list</span>[<span>$i</span>+1][0<span>]){ </span><span>$n</span>++<span>; } } } </span><span>/*</span><span>输出文件</span><span>*/</span> <span>$sname</span> = <span>array</span><span>(); </span><span>$f</span> = 'files/';<span>//</span><span>存放目录</span> <span>if</span> (! <span>file_exists</span> ( <span>$f</span><span> )) { </span><span>mkdir</span> ( <span>$f</span><span> ); } </span><span>for</span>(<span>$j</span> = 0;<span>$j</span> < <span>count</span>(<span>$ser</span>); <span>$j</span>++<span>){ </span><span>$file</span> = <span>$f</span>.<span>$j</span>.'.js'<span>; </span><span>echo</span> <span>$file</span>."<br />"<span>; </span><span>$fp</span>=<span>fopen</span>("<span>$file</span>", "w+"); <span>//</span><span>打开文件指针,创建文件</span> <span>if</span> ( !<span>is_writable</span>(<span>$file</span><span>) ){ </span><span>die</span>("文件:" .<span>$file</span>. "不可写,请检查!"<span>); } </span><span>if</span> (<span>is_writable</span>(<span>$file</span>) == <span>false</span><span>) { </span><span>die</span>('我是鸡毛,我不能'<span>); } </span><span>$data</span> = <span>$ser</span>[<span>$j</span>][1<span>]; </span><span>array_push</span>(<span>$sname</span>, <span>$ser</span>[<span>$j</span>][0<span>]); </span><span>file_put_contents</span> (<span>$file</span>, JSON(<span>$data</span><span>)); </span><span>fclose</span>(<span>$fp</span>); <span>//</span><span>关闭指针</span> <span> } </span><span>$file</span> = <span>$f</span>.'server_name_list.js'<span>; </span><span>echo</span> <span>$file</span>."<br />"<span>;; </span><span>$fp</span>=<span>fopen</span>("<span>$file</span>", "w+"); <span>//</span><span>打开文件指针,创建文件</span> <span>if</span> ( !<span>is_writable</span>(<span>$file</span><span>) ){ </span><span>die</span>("文件:" .<span>$file</span>. "不可写,请检查!"<span>); } </span><span>if</span> (<span>is_writable</span>(<span>$file</span>) == <span>false</span><span>) { </span><span>die</span>('我是鸡毛,我不能'<span>); } </span><span>file_put_contents</span> (<span>$file</span>, JSON(<span>$sname</span><span>)); </span><span>echo</span> "生成完毕!"<span>; </span><span>echo</span> '<a href="zip.php">打包生成文件</a>' ?> </body> </html>
B.PHP打包文件夹为zip文件
zip.php
<?<span>php </span><span>/*</span><span>* Error reporting </span><span>*/</span> <span>error_reporting</span>(0<span>); </span><span>header</span>("Content-type: text/html; charset=utf-8"<span>); </span>?> <!doctype html> <html> <head> <meta charset="utf-8"> <title>标题</title> </head> <body> <?<span>php </span><span>function</span> addFileToZip(<span>$path</span>,<span>$zip</span><span>){ </span><span>$handler</span>=<span>opendir</span>(<span>$path</span>); <span>//</span><span>打开当前文件夹由$path指定。</span> <span>while</span>((<span>$filename</span>=<span>readdir</span>(<span>$handler</span>))!==<span>false</span><span>){ </span><span>if</span>(<span>$filename</span> != "." && <span>$filename</span> != ".."){<span>//</span><span>文件夹文件名字为'.'和‘..’,不要对他们进行操作</span> <span>if</span>(<span>is_dir</span>(<span>$path</span>."/".<span>$filename</span>)){<span>//</span><span> 如果读取的某个对象是文件夹,则递归</span> addFileToZip(<span>$path</span>."/".<span>$filename</span>, <span>$zip</span><span>); }</span><span>else</span>{ <span>//</span><span>将文件加入zip对象</span> <span>$zip</span>->addFile(<span>$path</span>."/".<span>$filename</span><span>); } } } @</span><span>closedir</span>(<span>$path</span><span>); } </span><span>$zip</span>=<span>new</span><span> ZipArchive(); </span><span>if</span>(<span>$zip</span>->open('files.zip', ZipArchive::OVERWRITE)=== <span>TRUE</span><span>){ addFileToZip(</span>'files', <span>$zip</span>); <span>//</span><span>调用方法,对要打包的根目录进行操作,并将ZipArchive的对象传递给方法</span> <span>$zip</span>->close(); <span>//</span><span>关闭处理的zip文件</span> <span>} </span><span>echo</span> '打包完毕!'."<br />"<span>; </span><span>echo</span> "<a href='files.zip'>下载files.zip</a>" ?> </body> </html>
代码下载:php-read-excel
http://files.cnblogs.com/zhidong123/php-read-excel.zip

絕對會話超時從會話創建時開始計時,閒置會話超時則從用戶無操作時開始計時。絕對會話超時適用於需要嚴格控制會話生命週期的場景,如金融應用;閒置會話超時適合希望用戶長時間保持會話活躍的應用,如社交媒體。

服務器會話失效可以通過以下步驟解決:1.檢查服務器配置,確保會話設置正確。 2.驗證客戶端cookies,確認瀏覽器支持並正確發送。 3.檢查會話存儲服務,如Redis,確保其正常運行。 4.審查應用代碼,確保會話邏輯正確。通過這些步驟,可以有效診斷和修復會話問題,提升用戶體驗。

session_start()iscucialinphpformanagingusersessions.1)ItInitiateSanewsessionifnoneexists,2)resumesanexistingsessions,and3)setsasesessionCookieforContinuityActinuityAccontinuityAcconActInityAcconActInityAcconAccRequests,EnablingApplicationsApplicationsLikeUseAppericationLikeUseAthenticationalticationaltication and PersersonalizedContentent。

設置httponly標誌對會話cookie至關重要,因為它能有效防止XSS攻擊,保護用戶會話信息。具體來說,1)httponly標誌阻止JavaScript訪問cookie,2)在PHP和Flask中可以通過setcookie和make_response設置該標誌,3)儘管不能防範所有攻擊,但應作為整體安全策略的一部分。

phpsessions solvathepromblymaintainingStateAcrossMultipleHttpRequestsbyStoringDataTaNthEserVerAndAssociatingItwithaIniquesestionId.1)他們儲存了AtoredAtaserver side,通常是Infilesordatabases,InseasessessionIdStoreDistordStoredStoredStoredStoredStoredStoredStoreDoreToreTeReTrestaa.2)

tostartaphpsession,usesesses_start()attheScript'Sbeginning.1)placeitbeforeanyOutputtosetThesessionCookie.2)useSessionsforuserDatalikeloginstatusorshoppingcarts.3)regenerateSessiveIdStopreventFentfixationAttacks.s.4)考慮使用AttActAcks.s.s.4)

會話再生是指在用戶進行敏感操作時生成新會話ID並使舊ID失效,以防會話固定攻擊。實現步驟包括:1.檢測敏感操作,2.生成新會話ID,3.銷毀舊會話ID,4.更新用戶端會話信息。


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