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php导入excel
PHP-ExcelReader,下载地址: http://sourceforge.net/projects/phpexcelreader 说明: 测试环境:MYSQL数据库采用utf8编码.导入EXCEL文档是xls格式,经过测试,xlsx 格式[excel 2007]也OK. 文中红色标注为需要注意的地方,请替换成你配置好的数据,如数据库配置等。运行http://localost/test.php实现导入。 以下是我贴出的详细代码,其中test.php为我写的测试文件,reader.php和oleread.inc文件是从上面提供的网址中下载的。 下载以后,请根据实际情况更改调用路径包括 reader.php调用oleread.inc 1.? ? test.php require_once 'reader.php'; // ExcelFile($filename, $encoding); $data = new Spreadsheet_Excel_Reader(); // Set output Encoding. $data->setOutputEncoding('gbk'); //”data.xls”是指要导入到mysql中的excel文件 $data->read('data.xls'); @ $db = mysql_connect('localhost', 'root', '123456') or ? ?? ? die("Could not connect to database.");//连接数据库 mysql_query("set names 'gbk'");//输出中文 mysql_select_db('mydb');? ?? ? //选择数据库 error_reporting(E_ALL ^ E_NOTICE); for ($i = 1; $i sheets[0]['numRows']; $i++) { //以下注释的for循环打印excel表数据 /* for ($j = 1; $j sheets[0]['numCols']; $j++) { ? ?? ?? ?? ?echo "\"".$data->sheets[0]['cells'][$i][$j]."\","; ? ?? ?? ???} ? ?? ?? ???echo "\n"; */ //以下代码是将excel表数据【3个字段】插入到mysql中,根据你的excel表字段的多少,改写以下代码吧! ? ? $sql = "INSERT INTO test VALUES('". ? ?? ?? ?? ?? ?$data->sheets[0]['cells'][$i][1]."','". ? ?? ?? ?? ?? ???$data->sheets[0]['cells'][$i][2]."','". ? ?? ?? ?? ?? ???$data->sheets[0]['cells'][$i][3]."')"; ? ? echo $sql.' '; ? ?? ? $res = mysql_query($sql); } ?> |
PHP-ExcelReader,下载地址: http://sourceforge.net/projects/phpexcelreader 说明: 测试环境:MYSQL数据库采用utf8编码.导入EXCEL文档是xls格式,经过测试,xlsx 格式[excel 2007]也OK. 文中红色标注为需要注意的地方,请替换成你配置好的数据,如数据库配置等。运行http://localost/test.php实现导入。 以下是我贴出的详细代码,其中test.php为我写的测试文件,reader.php和oleread.inc文件是从上面提供的网址中下载的。 下载以后,请根据实际情况更改调用路径包括 reader.php调用oleread.inc 1.? ? test.php require_once 'reader.php'; // ExcelFile($filename, $encoding); $data = new Spreadsheet_Excel_Reader(); // Set output Encoding. $data->setOutputEncoding('gbk'); //”data.xls”是指要导入到mysql中的excel文件 $data->read('data.xls'); @ $db = mysql_connect('localhost', 'root', '123456') or ? ?? ? die("Could not connect to database.");//连接数据库 mysql_query("set names 'gbk'");//输出中文 mysql_select_db('mydb');? ?? ? //选择数据库 error_reporting(E_ALL ^ E_NOTICE); for ($i = 1; $i sheets[0]['numRows']; $i++) { //以下注释的for循环打印excel表数据 /* for ($j = 1; $j sheets[0]['numCols']; $j++) { ? ?? ?? ?? ?echo "\"".$data->sheets[0]['cells'][$i][$j]."\","; ? ?? ?? ???} ? ?? ?? ???echo "\n"; */ //以下代码是将excel表数据【3个字段】插入到mysql中,根据你的excel表字段的多少,改写以下代码吧! ? ? $sql = "INSERT INTO test VALUES('". ? ?? ?? ?? ?? ?$data->sheets[0]['cells'][$i][1]."','". ? ?? ?? ?? ?? ???$data->sheets[0]['cells'][$i][2]."','". ? ?? ?? ?? ?? ???$data->sheets[0]['cells'][$i][3]."')"; ? ? echo $sql.' '; ? ?? ? $res = mysql_query($sql); } ?> |

ThesecrettokeepingaPHP-poweredwebsiterunningsmoothlyunderheavyloadinvolvesseveralkeystrategies:1)ImplementopcodecachingwithOPcachetoreducescriptexecutiontime,2)UsedatabasequerycachingwithRedistolessendatabaseload,3)LeverageCDNslikeCloudflareforservin

You should care about DependencyInjection(DI) because it makes your code clearer and easier to maintain. 1) DI makes it more modular by decoupling classes, 2) improves the convenience of testing and code flexibility, 3) Use DI containers to manage complex dependencies, but pay attention to performance impact and circular dependencies, 4) The best practice is to rely on abstract interfaces to achieve loose coupling.

Yes,optimizingaPHPapplicationispossibleandessential.1)ImplementcachingusingAPCutoreducedatabaseload.2)Optimizedatabaseswithindexing,efficientqueries,andconnectionpooling.3)Enhancecodewithbuilt-infunctions,avoidingglobalvariables,andusingopcodecaching

ThekeystrategiestosignificantlyboostPHPapplicationperformanceare:1)UseopcodecachinglikeOPcachetoreduceexecutiontime,2)Optimizedatabaseinteractionswithpreparedstatementsandproperindexing,3)ConfigurewebserverslikeNginxwithPHP-FPMforbetterperformance,4)

APHPDependencyInjectionContainerisatoolthatmanagesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itactsasacentralhubforcreatingandinjectingdependencies,thusreducingtightcouplingandeasingunittesting.

Select DependencyInjection (DI) for large applications, ServiceLocator is suitable for small projects or prototypes. 1) DI improves the testability and modularity of the code through constructor injection. 2) ServiceLocator obtains services through center registration, which is convenient but may lead to an increase in code coupling.

PHPapplicationscanbeoptimizedforspeedandefficiencyby:1)enablingopcacheinphp.ini,2)usingpreparedstatementswithPDOfordatabasequeries,3)replacingloopswitharray_filterandarray_mapfordataprocessing,4)configuringNginxasareverseproxy,5)implementingcachingwi

PHPemailvalidationinvolvesthreesteps:1)Formatvalidationusingregularexpressionstochecktheemailformat;2)DNSvalidationtoensurethedomainhasavalidMXrecord;3)SMTPvalidation,themostthoroughmethod,whichchecksifthemailboxexistsbyconnectingtotheSMTPserver.Impl


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