


PHP reads excel, and the PHP packaging folder is a zip file, _PHP tutorial
php reads excel, and the php package folder is a zip file,
<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 package folder is a zip file
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>
Code download: php-read-excel
http://files.cnblogs.com/zhidong123/php-read-excel.zip

PHPsessionscanstorestrings,numbers,arrays,andobjects.1.Strings:textdatalikeusernames.2.Numbers:integersorfloatsforcounters.3.Arrays:listslikeshoppingcarts.4.Objects:complexstructuresthatareserialized.

TostartaPHPsession,usesession_start()atthescript'sbeginning.1)Placeitbeforeanyoutputtosetthesessioncookie.2)Usesessionsforuserdatalikeloginstatusorshoppingcarts.3)RegeneratesessionIDstopreventfixationattacks.4)Considerusingadatabaseforsessionstoragei

Session regeneration refers to generating a new session ID and invalidating the old ID when the user performs sensitive operations in case of session fixed attacks. The implementation steps include: 1. Detect sensitive operations, 2. Generate new session ID, 3. Destroy old session ID, 4. Update user-side session information.

PHP sessions have a significant impact on application performance. Optimization methods include: 1. Use a database to store session data to improve response speed; 2. Reduce the use of session data and only store necessary information; 3. Use a non-blocking session processor to improve concurrency capabilities; 4. Adjust the session expiration time to balance user experience and server burden; 5. Use persistent sessions to reduce the number of data read and write times.

PHPsessionsareserver-side,whilecookiesareclient-side.1)Sessionsstoredataontheserver,aremoresecure,andhandlelargerdata.2)Cookiesstoredataontheclient,arelesssecure,andlimitedinsize.Usesessionsforsensitivedataandcookiesfornon-sensitive,client-sidedata.

PHPidentifiesauser'ssessionusingsessioncookiesandsessionIDs.1)Whensession_start()iscalled,PHPgeneratesauniquesessionIDstoredinacookienamedPHPSESSIDontheuser'sbrowser.2)ThisIDallowsPHPtoretrievesessiondatafromtheserver.

The security of PHP sessions can be achieved through the following measures: 1. Use session_regenerate_id() to regenerate the session ID when the user logs in or is an important operation. 2. Encrypt the transmission session ID through the HTTPS protocol. 3. Use session_save_path() to specify the secure directory to store session data and set permissions correctly.

PHPsessionfilesarestoredinthedirectoryspecifiedbysession.save_path,typically/tmponUnix-likesystemsorC:\Windows\TemponWindows.Tocustomizethis:1)Usesession_save_path()tosetacustomdirectory,ensuringit'swritable;2)Verifythecustomdirectoryexistsandiswrita


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