php excel
在用PHP excelreader读取excel的时候,其他的文件都可以正常读取,唯独有一个excel始终读取不到代码
require_once('Excel/reader.php');
$data2 = new Spreadsheet_Excel_Reader();
$data2->setOutputEncoding('UTF-8');
$data2->read($fullpath1);
$sheets = $data2->sheets;
echo '
'; <br> print_r($sheets); <br> exit; <br> 现在数组拿不到 为空 报错信息为 <br> <br> Uninitialized string offset: 2037813039 Line Number: 485 <br> Uninitialized string offset: 2037813040 Line Number: 485 <br> Uninitialized string offset: 2037813041 Line Number: 488 <br> <br> 哪位朋友帮帮忙 谢谢 <br> <h2 id="回复讨论-解决方案">回复讨论(解决方案)</h2> <p class="sougouAnswer"> $fullpath1 的值呢??? </p> <p class="sougouAnswer"> $fullpath1 的值呢??? <br> <br> sorry 这个是文件上传后的路径 可以确定没有错误 </p> <p class="sougouAnswer"> echo 看看再说 </p> <p class="sougouAnswer"> echo 看看再说 <br> <br> 代码已经报错了 要echo什么呢 在读取的时候貌似都错了 郁闷啊 </p> <p class="sougouAnswer"> 唯独有一个excel始终读取不到 <br> 显然不是 php 的问题,而是这个 excel 的问题了 </p> <p class="sougouAnswer"> 唯独有一个excel始终读取不到 <br> 显然不是 php 的问题,而是这个 excel 的问题了 <br> 各部门报一样表,有的读取到,读取不到。excel 的问题了,请问楼上版主excel 的问题是什么造成的? <br> 也请问楼主解决吗? </p>

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.

PHP and Python have their own advantages and disadvantages, and the choice depends on project needs and personal preferences. 1.PHP is suitable for rapid development and maintenance of large-scale web applications. 2. Python dominates the field of data science and machine learning.

PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.

PHP makes it easy to create interactive web content. 1) Dynamically generate content by embedding HTML and display it in real time based on user input or database data. 2) Process form submission and generate dynamic output to ensure that htmlspecialchars is used to prevent XSS. 3) Use MySQL to create a user registration system, and use password_hash and preprocessing statements to enhance security. Mastering these techniques will improve the efficiency of web development.

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.


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