PHPやUniAppでデータフォームの動的な表示・連携を実現する技術

CREATE TABLE `form_data` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `name` VARCHAR(50) NOT NULL,
    `gender` ENUM('male', 'female') NOT NULL,
    `age` INT NOT NULL,
    `occupation` VARCHAR(50) NOT NULL
);

<?php
header('Content-Type: application/json');

// 连接数据库
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("数据库连接失败: " . $conn->connect_error);
}

// 获取表单数据
$name = $_POST['name'];
$gender = $_POST['gender'];
$age = $_POST['age'];
$occupation = $_POST['occupation'];

// 插入记录
$sql = "INSERT INTO form_data (name, gender, age, occupation) VALUES ('$name', '$gender', $age, '$occupation')";
$result = $conn->query($sql);
if ($result === TRUE) {
    echo json_encode(['status' => 'success', 'message' => '表单提交成功']);
} else {
    echo json_encode(['status' => 'error', 'message' => '表单提交失败']);
}

$conn->close();
?>

<template>
    <div>
        <input type="text" v-model="name" placeholder="姓名">
        <select v-model="gender">
            <option value="male">男</option>
            <option value="female">女</option>
        </select>
        <input type="number" v-model="age" placeholder="年龄">
        <select v-model="occupation">
            <option value="doctor">医生</option>
            <option value="teacher">教师</option>
            <option value="engineer">工程师</option>
        </select>
        <button @click="submitForm">提交</button>
        <div v-if="status === 'success'">
            表单提交成功
        </div>
        <div v-if="status === 'error'">
            表单提交失败
        </div>
    </div>
</template>

<script>
export default {
    data() {
        return {
            name: '',
            gender: 'male',
            age: '',
            occupation: '',
            status: ''
        };
    },
    methods: {
        submitForm() {
            // 发送表单数据到后端
            uni.request({
                url: '/form.php',
                method: 'POST',
                data: {
                    name: this.name,
                    gender: this.gender,
                    age: this.age,
                    occupation: this.occupation
                },
                success: (res) => {
                    // 处理后端响应
                    const data = res.data;
                    this.status = data.status;
                },
                fail: () => {
                    this.status = 'error';
                }
            });
        }
    }
};
</script>

npm run dev