創建數據庫test和對應的表test,通過預處理向test表中插入多條數據。
代碼如下:
<?php
// 使用預處理操作數據庫
$dbServer = "localhost:3306";
$dbUser = "root";
$dbPass = "";
$dbName = "test";
// 創建連接
$conn = new mysqli($dbServer, $dbUser, $dbPass, $dbName);
if ($conn->connect_error)
die("連接失敗:" . $conn->connect_error);
else
echo "連接成功!<br>";
// 創建表
$sql = "CREATE TABLE test (
id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
age int(8) UNSIGNED NOT NULL,
email VARCHAR(50)
)";
if ($conn->query($sql) == TRUE)
echo "數據表創建成功。<br>";
else
echo "數據表創建失敗:" . $conn->error . "<br>";
// 創建預處理對象
$sql = "INSERT INTO test (firstname, lastname, age, email) VALUES (?, ?, ?, ?)";
$info = array(1 => array('firstname'=>'kobe', 'lastname'=>'bryant', 'age'=>30, 'email'=>"[email protected]"),
2 => array('firstname'=>'yao', 'lastname'=>'ming', 'age'=>20, 'email'=>"[email protected]"));
$stmt = $conn->prepare($sql) or die($conn->error);
foreach ($info as $num => $value) {
// 參數綁定: ssis代表,第一個、第二個、第三個參數是string類型,第四個參數是int類型
$stmt->bind_param('ssis', $value['firstname'], $value['lastname'], $value['age'], $value['email']);
if (!$stmt->execute())
die("插入失敗:" . $conn->error . "<br>");
}
echo "插入成功<br>";
$stmt->close();
$sql = "SELECT * FROM test";
$result = $conn->query($sql);
if ($result->num_rows > 0){
// 輸出每行數據
echo "查詢結果 : <br>";
while($row = $result->fetch_assoc()){
echo "id: " . $row["id"] . " ; firstname: " . $row["firstname"] . " ; lastname : "
. $row["lastname"] . " ; age : " . $row["age"] . " ; email : " . $row["email"] . "<br>";
}
}
else
echo "0個結果";
// 關閉連接
$conn->close();
?>
運行結果如下: