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Dir : ~/www/wwwroot/yang.electronharmony.com/1/T1/
View File Name : index2.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>动态表单提交</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>

<div class="container my-5">
    <h2>动态表单生成器</h2>

    <!-- 动态生成的表单 -->
    <form action="form_data.php" method="POST" id="dynamicForm">
        <div class="col-12">
            <label for="validationCustom04" class="form-label text-danger">选择数据类型</label>
            <select class="form-select" id="cname" name="cname">
                <option value="text">文本</option>
                <option value="date">日期时间</option>
                <option value="radio">单选</option>
            </select>
        </div>

        <div class="col-12 mt-3">
            <label for="item-name" class="form-label">输入字段名称</label>
            <input
                id="item-name"
                type="text"
                name="task"
                class="form-control"
                placeholder="字段名称..."
            />
        </div>

        <div class="col-12 mt-3" id="custom-options" style="display: none;">
            <label for="radio-options" class="form-label">自定义选项 (逗号分隔)</label>
            <input
                id="radio-options"
                type="text"
                class="form-control"
                placeholder="输入选项，用逗号分隔..."
            />
        </div>

        <div class="d-grid mt-4">
            <button id="addFieldBtn" class="btn add-list btn-primary w-100" type="button">添加字段</button>
            <button class="btn btn-success w-100 mt-3" type="submit">提交表单</button>
        </div>

        <!-- 动态生成的表单区域 -->
        <div id="dynamicFields" class="mt-4"></div>
    </form>
</div>

<script>
    const cnameSelect = document.getElementById('cname');
    const itemNameInput = document.getElementById('item-name');
    const addFieldBtn = document.getElementById('addFieldBtn');
    const dynamicFields = document.getElementById('dynamicFields');
    const customOptionsDiv = document.getElementById('custom-options');
    const radioOptionsInput = document.getElementById('radio-options');

    cnameSelect.addEventListener('change', function() {
        if (cnameSelect.value === 'radio') {
            customOptionsDiv.style.display = 'block';
        } else {
            customOptionsDiv.style.display = 'none';
        }
    });

    addFieldBtn.addEventListener('click', function() {
        const selectedType = cnameSelect.value;
        const fieldName = itemNameInput.value;

        if (!fieldName) {
            alert("请输入字段名称！");
            return;
        }

        const fieldContainer = document.createElement('div');
        fieldContainer.classList.add('col-12', 'mt-3');

        const label = document.createElement('label');
        label.textContent = fieldName;
        label.classList.add('form-label');

        let inputField;
        if (selectedType === 'text') {
            inputField = document.createElement('input');
            inputField.setAttribute('type', 'text');
            inputField.setAttribute('name', fieldName);
            inputField.classList.add('form-control');
        } else if (selectedType === 'date') {
            inputField = document.createElement('input');
            inputField.setAttribute('type', 'date');
            inputField.setAttribute('name', fieldName);
            inputField.classList.add('form-control');
        } else if (selectedType === 'radio') {
            const options = radioOptionsInput.value.split(',').map(option => option.trim());

            if (options.length === 0 || options[0] === "") {
                alert("请提供至少一个选项！");
                return;
            }

            options.forEach(option => {
                const radioInput = document.createElement('input');
                radioInput.setAttribute('type', 'radio');
                radioInput.setAttribute('name', fieldName);
                radioInput.setAttribute('value', option);
                radioInput.classList.add('me-2');

                const radioLabel = document.createElement('label');
                radioLabel.textContent = option;
                radioLabel.classList.add('me-3');

                fieldContainer.appendChild(radioInput);
                fieldContainer.appendChild(radioLabel);
            });
        }

        fieldContainer.appendChild(label);
        if (inputField) {
            fieldContainer.appendChild(inputField);
        }
        dynamicFields.appendChild(fieldContainer);

        itemNameInput.value = '';
        radioOptionsInput.value = '';
        customOptionsDiv.style.display = 'none';
    });
</script>

</body>
</html>