致命錯誤：調用一個成員函數bind_param（c）中的非對象上：\ WAMP \ WWW \ k24Electronics \在線管理\供應商\ import.php 13調用堆棧

Question

function add_product($product_name, $product_brand, $product_type, 
         $product_description,$product_price, $number, 
         $reservefee, $status,$image,$supplier_id) 

{ 
    global $data,$sth; 
    $con = new mysqli("localhost","root","","eeee"); 
    $sth = $con->prepare("INSERT INTO products 
           (product_name,product_brand,product_type, 
           product_description,product_price,number,reservefee, 
           status,image,supplier_id) 
          VALUES(0,?,?,?,?,?,?,?,?,?,?)"); 

    $sth->bind_param('ssssiiisbi', $product_name, $product_brand, $product_type,$product_description,$product_price, $number, $reservefee, $status,$image,$supplier_id); 

    $sth->execute(); 

    $data []= array(
    'product_name' => $product_name, 
    'product_brand' => $product_brand, 
    'product_type' => $product_type, 
    'product_description' => $product_description, 
    'product_price' => $product_price, 
    'number' => $number, 
    'reservefee' => $reservefee, 
    'status' => $status, 
    'image' => $image, 
    'supplier_id' => $supplier_id 
    ); 
} 

Answer 1

你有$con->prepare錯誤，因此它已經返回false，因此bind_param已失敗，因爲它不在mysqli_statement對象上工作。

嘗試從準備中的VALUES子句中刪除?之一，因爲您告訴mysql將11個參數插入到10個列名中。