Question

我想使用php在我的数据库中插入一个csv文件。我尝试了以下代码，但它给出了以下错误

致命错误：在第25行的C：\ xampp \ htdocs \ ICT_project \ class.import.php中调用null上的成员函数exec（）

<?php
include 'connection.php';

class Import {
private $pdo;

public function __construct() {
    $obj_connect = new DBconnect();
    $this->pdo = $obj_connect->db_con;

}

public function import_csv() {

    $extension= end(explode(".", basename($_FILES['file']['name'])));
    if (isset($_FILES['file']) && $_FILES['file']['size'] < 10485760 && $extension=='csv') {
        $file = $_FILES['file']['tmp_name']; 
        $handle = fopen($file, "r"); 
        try {           
            while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
                //$num = count($data);

            $importSQL = "INSERT INTO tbl_applicants(application_no, applicant_name,applicant_email, applicant_mobile, applicant_address) VALUES('$data[0]','$data[1]')";

            $this->pdo->exec($importSQL);  
            }
        }
        catch(PDOException $e) {
            echo $e->getMessage();
        }

    }
}

我的tbl_applicants有五个字段：application_no，applicant_name，applicant_email，applicant_mobile，applicant_address。在csv文件中，我有两行数据，上面有五个字段。我不明白插入查询会是什么？

嗨，这是更新的代码，工作正常。 现在我想跳过我的.csv文件的第一行，它通常包含标题（ID，名称，电子邮件，地址）。我怎么能这样做？

<?php
include 'connection.php';

class Import {
    private $pdo;

    public function __construct() {     
        $obj_connection = new Db_connection();
        $this->pdo = $obj_connection->connection();     
    }

    public function import_csv() {

        $extension= end(explode(".", basename($_FILES['file']['name'])));
        if (isset($_FILES['file']) && $_FILES['file']['size'] < 10485760 && $extension=='csv') {
            $file = $_FILES['file']['tmp_name']; 
            $handle = fopen($file, "r"); 
            try {           
                while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {                   
                $importSQL = "INSERT INTO tbl_applicants ( application_no, applicant_name, applicant_email, applicant_mobile, applicant_address ) VALUES('$data[0]','$data[1]','$data[2]','$data[3]','$data[4]')";
                $this->pdo->query($importSQL);  
                }
            }
            catch(PDOException $e) {
                echo $e->getMessage();
            }

        }
    }

}

Answer 1

请将此插入查询替换为上述查询。

$importSQL = "INSERT INTO tbl_applicants
            (application_no, applicant_name,applicant_email, applicant_mobile, applicant_address) 
             VALUES('$data[0]','$data[1]','','','')";

Answer 2

没有看到数据只是猜测你上面使用的是什么，但也许你只需要从csv中添加剩余的字段？

$importSQL = "INSERT INTO `tbl_applicants`
   ( application_no, applicant_name, applicant_email, applicant_mobile, applicant_address ) 
   VALUES
   ('$data[0]','$data[1]','$data[2]','$data[3]','$data[4]')"

将CSV文件插入mysql数据库

2 个答案: