PHP文件导出 之图像 和 文字同时导出
其实之前写了个php文件导出,跟这个极为相似,因为项目需要对图像进行导出,查询一番,又写了一个,
这个能实现图像的导出(只能是本地图像,不能使用远程图像链接)
/** * 导出对应的活动投票记录 */ public function exportxls(){ $alist = datafrom db; //从数据库获取相应的数据 //1. 从数据库来获取对应的二维数组 $alist = array(...); $list = $alist; $data = array(); //2. 设置xls的 表头名 $headArr = array("排名","姓名","手机","获奖","参与时间"); if(false === empty($list)){ $i=0; foreach ($list as $key => $val){ //组装对应的单元格A,B,C,D。。。 $data[$i] = array( ($i+1), //A $val['name'], //B $val['tel'], //C $val['award'], //D ... ); $i++; } }else{ $data[0] = array('暂无相关记录!'); } $imgindexs = array(5); //放入是 图片的列的索引 第一个是0 此为一维数组 $fileName = "your name-".date('Y-m-d'); $this->output_customer($headArr,$data,$fileName,$imgindexs); } public function output_customer($headArr,$alist,$filename,$imgindexs){ set_time_limit(0); ini_set('memory_limit', '-1'); $dir = $_SERVER['DOCUMENT_ROOT']; //定义网站根目录 /** 设置报错级别 */ error_reporting(E_ALL); ini_set('display_errors', TRUE); ini_set('display_startup_errors', TRUE); if (PHP_SAPI == 'cli') die('This example should only be run from a Web Browser'); /** Include PHPExcel */ require_once $dir.'/public/phpexcel/PHPExcel.php'; // Create new PHPExcel object $objPHPExcel = new PHPExcel(); // Set document properties $objPHPExcel->getProperties()->setCreator("Maarten Balliauw") ->setLastModifiedBy("Maarten Balliauw") ->setTitle("Office 2007 XLSX Test Document") ->setSubject("Office 2007 XLSX Test Document") ->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.") ->setKeywords("office 2007 openxml php") ->setCategory("Test result file"); /*实例化excel图片处理类*/ $objDrawing = new PHPExcel_Worksheet_Drawing(); $width = 25; $colnums = count($headArr); for($i = 0,$startA = "A"; $i getActiveSheet()->getColumnDimension($temp)->setWidth($width); } //设置标题 for($i = 0,$startA = "A"; $i setActiveSheetIndex(0)->setCellValue($temp, $headArr[$i]); } // Miscellaneous glyphs, UTF-8 $row=2; foreach($alist as $val){ //设置行高 $objPHPExcel->getActiveSheet()->getRowDimension($k)->setRowHeight(50); $span = 0; $startA = 'A'; //填充每一行的内容 foreach($val as $factval){ $temp = chr(intval(ord($startA))+$span).$row; //1.图片填充列 if(in_array($span in $imgindexs)){ /*实例化插入图片类*/ $objDrawing = new PHPExcel_Worksheet_Drawing(); /*设置图片路径 切记:只能是本地图片*/ $objDrawing->setPath($dir.$factval); /*设置图片高度*/ $objDrawing->setHeight(50); $objDrawing->setWidth(50); /*设置图片要插入的单元格*/ $objDrawing->setCoordinates($temp); $objDrawing->setWorksheet($objPHPExcel->getActiveSheet()); }else{ //2.非图片填充列 $objPHPExcel->setActiveSheetIndex(0)->setCellValue($temp, $factval); } $span++; } $row++; } // 重命名 worksheet $date = date('Y-m-d'); $objPHPExcel->getActiveSheet()->setTitle($filename); // Set active sheet index to the first sheet, so Excel opens this as the first sheet $objPHPExcel->setActiveSheetIndex(0); $filename = iconv("utf-8", "gb2312", $filename.date('Y-m-d')); header('Content-Type: application/vnd.ms-excel;'); header('Content-Disposition: attachment;filename='.$filename.'.xls"'); header('Cache-Control: max-age=0'); // If you're serving to IE 9, then the following may be needed header('Cache-Control: max-age=1'); // If you're serving to IE over SSL, then the following may be needed header ('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past header ('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); // always modified header ('Cache-Control: cache, must-revalidate'); // HTTP/1.1 header ('Pragma: public'); // HTTP/1.0 //注意这里 第二个参数写成 'Excel2007' 会避免特殊字符或中文乱码 $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007'); $objWriter->save('php://output'); exit; }
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What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software