php excel读取,phpexcel
当然首先要判断是否有文件和文件类型,接着把文件保存到某个路径中
<span>/*</span><span>* * 读取excel数据 * @author Red * @date * @param $filename 文件所在路径+文件名 * @param string $encode * @param $file_type * @return array </span><span>*/</span> <span>function</span> readExcel(<span>$filename</span>, <span>$encode</span> = 'utf-8', <span>$file_type</span><span>) { </span><span>include</span> './plugins/excel/PHPExcel.php'<span>; </span><span>include</span> './plugins/excel/PHPExcel/Reader/Excel2007.php'<span>; </span><span>include</span> './plugins/excel/PHPExcel/Writer/Excel5.php'<span>; </span><span>include</span> './plugins/excel/PHPExcel/Writer/Excel2007.php'<span>; </span><span>if</span> (<span>$file_type</span> == 'xlsx'<span>) { </span><span>$objReader</span> = PHPExcel_IOFactory::createReader('Excel2007'<span>); } </span><span>else</span><span> { </span><span>$objReader</span> = PHPExcel_IOFactory::createReader('Excel5'<span>); } </span><span>$objReader</span>->setReadDataOnly(<span>true</span><span>); </span><span>$objPHPExcel</span> = <span>$objReader</span>->load(<span>$filename</span><span>); </span><span>$objWorksheet</span> = <span>$objPHPExcel</span>-><span>getActiveSheet(); </span><span>$hightestrow</span> = <span>$objWorksheet</span>-><span>getHighestRow(); </span><span>$highestColumn</span> = <span>$objWorksheet</span>-><span>getHighestColumn(); </span><span>$highestColumnIndex</span> = PHPExcel_Cell::columnIndexFromString(<span>$highestColumn</span><span>); </span><span>$excelData</span> = <span>array</span><span>(); //从第二行开始 </span><span>for</span> (<span>$row</span> = 2; <span>$row</span> <= <span>$hightestrow</span>; <span>$row</span>++<span>) { </span><span>for</span> (<span>$col</span> = 0; <span>$col</span> < <span>$highestColumnIndex</span>; <span>$col</span>++<span>) { </span><span>$excelData</span>[<span>$row</span>][] = (<span>string</span>)<span>$objWorksheet</span>->getCellByColumnAndRow(<span>$col</span>, <span>$row</span>)-><span>getValue(); } } </span><span>return</span> <span>$excelData</span><span>; }</span>

TheSecretTokeEpingAphp-PowerEdwebSiterUnningSmoothlyShyunderHeavyLoadInVolvOLVOLVOLDEVERSALKEYSTRATICES:1)emplactopCodeCachingWithOpcachingWithOpCacheToreCescriptexecution Time,2)使用atabasequercachingCachingCachingWithRedataBasEndataBaseLeSendataBaseLoad,3)

你应该关心DependencyInjection(DI),因为它能让你的代码更清晰、更易维护。1)DI通过解耦类,使其更模块化,2)提高了测试的便捷性和代码的灵活性,3)使用DI容器可以管理复杂的依赖关系,但要注意性能影响和循环依赖问题,4)最佳实践是依赖于抽象接口,实现松散耦合。

是的,优化papplicationispossibleandessential.1)empartcachingingcachingusedapcutorediucedsatabaseload.2)优化的atabaseswithexing,高效Quereteries,and ConconnectionPooling.3)EnhanceCodeWithBuilt-unctions,避免使用,避免使用ingglobalalairaiables,并避免使用

theKeyStrategiestosiminificallyBoostphpapplicationPermenCeare:1)useOpCodeCachingLikeLikeLikeLikeLikeCacheToreDuceExecutiontime,2)优化AtabaseInteractionswithPreparedStateTemtStatementStatementSandProperIndexing,3)配置

aphpdepentioncontiveContainerIsatoolThatManagesClassDeptions,增强codemodocultion,可验证性和Maintainability.itactsasaceCentralHubForeatingingIndections,因此reducingTightCightTightCoupOulplingIndeSingantInting。

选择DependencyInjection(DI)用于大型应用,ServiceLocator适合小型项目或原型。1)DI通过构造函数注入依赖,提高代码的测试性和模块化。2)ServiceLocator通过中心注册获取服务,方便但可能导致代码耦合度增加。

phpapplicationscanbeoptimizedForsPeedAndeffificeby:1)启用cacheInphp.ini,2)使用preparedStatatementSwithPdoforDatabasequesies,3)3)替换loopswitharray_filtaray_filteraray_maparray_mapfordataprocrocessing,4)conformentnginxasaseproxy,5)

phpemailvalidation invoLvesthreesteps:1)格式化进行regulareXpressecthemailFormat; 2)dnsvalidationtoshethedomainhasavalidmxrecord; 3)


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