In many cases we will need to upload tables to the database in batches, so today I will teach you how to use PHP to upload tables in batches.
First of all, you need to download PHPExcel and put it in the vendor folder. My path is: project/vendor/PHPExcel/, put the downloaded PHPExcel file here
Front-end code
<!DOCTYPE html> <html> <head> <title>批量导入数据</title> </head> <body> <form action="{:url('/index/index/importExcel')}" method="post" enctype="multipart/form-data"> <input type="file" name="myfile"><br/> <input type="submit" value="批量的导入"> </form> </body> </html>
Backend code
/** * 导入表格数据 * 先把文件上传到服务器,然后再读取数据存到数据库 */ public function importExcel(){ header("content-type:text/html;charset=utf-8"); //上传excel文件 $file = request()->file('myfile'); //移到/public/uploads/excel/下 $info = $file->move(ROOT_PATH.'public'.DS.'uploads'.DS.'excel'); //上传文件成功 if ($info) { //引入PHPExcel类 vendor('PHPExcel.PHPExcel.Reader.Excel5'); //获取上传后的文件名 $fileName = $info->getSaveName(); //文件路径 $filePath = 'public/uploads/excel/'.$fileName; //实例化PHPExcel类 $PHPReader = new \PHPExcel_Reader_Excel5(); //读取excel文件 $objPHPExcel = $PHPReader->load($filePath); //读取excel文件中的第一个工作表 $sheet = $objPHPExcel->getSheet(0); $allRow = $sheet->getHighestRow(); //取得总行数 //$allColumn = $sheet->getHighestColumn(); //取得总列数 //从第二行开始插入,第一行是列名 for ($j=2; $j <= $allRow; $j++) { $data['name'] = $objPHPExcel->getActiveSheet()->getCell("A".$j)->getValue(); $data['tel'] = $objPHPExcel->getActiveSheet()->getCell("B".$j)->getValue(); $data['addr'] = $objPHPExcel->getActiveSheet()->getCell("C".$j)->getValue(); $last_id = Db::table('users')->insertGetId($data);//保存数据,并返回主键id if ($last_id) { echo "第".$j."行导入成功,users表第:".$last_id."条!<br/>"; }else{ echo "第".$j."行导入失败!<br/>"; } } }else{ echo "上传文件失败!"; } }
Output results
Note:
Introduce third party Class libraryUse vendor( ); is in the form of namespace. The underlying code will automatically replace "." with "/", so when using "/", use "." instead;
The above code can be copied and used directly, but the database related information must be changed to your own !
# I believe you have mastered the methods after reading these cases. For more exciting information, please pay attention to other related articles on the php Chinese website!
Related reading:
php uses git deployment environment
Detailed explanation of javascript data types and git usage code
The above is the detailed content of How to use PHPExcel to upload tables in batches. For more information, please follow other related articles on the PHP Chinese website!

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

TomakePHPapplicationsfaster,followthesesteps:1)UseOpcodeCachinglikeOPcachetostoreprecompiledscriptbytecode.2)MinimizeDatabaseQueriesbyusingquerycachingandefficientindexing.3)LeveragePHP7 Featuresforbettercodeefficiency.4)ImplementCachingStrategiessuc

ToimprovePHPapplicationspeed,followthesesteps:1)EnableopcodecachingwithAPCutoreducescriptexecutiontime.2)ImplementdatabasequerycachingusingPDOtominimizedatabasehits.3)UseHTTP/2tomultiplexrequestsandreduceconnectionoverhead.4)Limitsessionusagebyclosin

Dependency injection (DI) significantly improves the testability of PHP code by explicitly transitive dependencies. 1) DI decoupling classes and specific implementations make testing and maintenance more flexible. 2) Among the three types, the constructor injects explicit expression dependencies to keep the state consistent. 3) Use DI containers to manage complex dependencies to improve code quality and development efficiency.

DatabasequeryoptimizationinPHPinvolvesseveralstrategiestoenhanceperformance.1)Selectonlynecessarycolumnstoreducedatatransfer.2)Useindexingtospeedupdataretrieval.3)Implementquerycachingtostoreresultsoffrequentqueries.4)Utilizepreparedstatementsforeffi


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft

WebStorm Mac version
Useful JavaScript development tools

mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.

Notepad++7.3.1
Easy-to-use and free code editor
