以下是一个简单的示例代码,用于演示如何使用PHP编写库存管理系统中的客户管理功能:
<?php
// 连接到数据库
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "inventory";
$conn = new mysqli($servername, $username, $password, $dbname);
// 检查连接是否成功
if ($conn->connect_error) {
die("连接失败: " . $conn->connect_error);
}
// 添加客户
function addCustomer($name, $email, $phone) {
global $conn;
$sql = "INSERT INTO customers (name, email, phone) VALUES ('$name', '$email', '$phone')";
if ($conn->query($sql) === TRUE) {
echo "客户添加成功";
} else {
echo "添加客户时出错: " . $conn->error;
}
}
// 更新客户信息
function updateCustomer($id, $name, $email, $phone) {
global $conn;
$sql = "UPDATE customers SET name='$name', email='$email', phone='$phone' WHERE id=$id";
if ($conn->query($sql) === TRUE) {
echo "客户信息更新成功";
} else {
echo "更新客户信息时出错: " . $conn->error;
}
}
// 删除客户
function deleteCustomer($id) {
global $conn;
$sql = "DELETE FROM customers WHERE id=$id";
if ($conn->query($sql) === TRUE) {
echo "客户删除成功";
} else {
echo "删除客户时出错: " . $conn->error;
}
}
// 获取所有客户信息
function getAllCustomers() {
global $conn;
$sql = "SELECT * FROM customers";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
while($row = $result->fetch_assoc()) {
echo "ID: " . $row["id"]. " - Name: " . $row["name"]. " - Email: " . $row["email"]. " - Phone: " . $row["phone"]. "<br>";
}
} else {
echo "暂无客户信息";
}
}
// 关闭数据库连接
$conn->close();
?>
以上代码提供了添加客户、更新客户信息、删除客户和获取所有客户信息的功能。请根据实际需求进行适当的修改和扩展。
Laravel PHP 深圳智简公司。版权所有©2023-2043 LaravelPHP 粤ICP备2021048745号-3
Laravel 中文站