中医经方问诊系统 (PHP 纯原生实现)

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下面是一个基于中医经方理论构建的简易问诊系统，使用纯PHP开发，不依赖Bootstrap或jQuery，仅使用原生HTML、CSS和PHP。

系统架构

/classic-prescription-system/
├── index.php          # 主问诊页面
├── diagnose.php       # 诊断处理页面
├── prescriptions.php  # 经方数据库
├── functions.php      # 辅助函数
├── style.css          # 样式表
└── images/            # 图片资源

完整代码实现

1. functions.php – 辅助函数

<?php
// 安全过滤输入
function clean_input($data) {
    $data = trim($data);
    $data = stripslashes($data);
    $data = htmlspecialchars($data);
    return $data;
}

// 获取症状严重程度描述
function get_severity_description($level) {
    $levels = [
        1 => '轻微',
        2 => '中度',
        3 => '严重'
    ];
    return $levels[$level] ?? '未知';
}

// 获取舌象描述
function get_tongue_description($tongue) {
    $descriptions = [
        'pale' => '舌质淡',
        'red' => '舌质红',
        'purple' => '舌质紫暗',
        'thin_coating' => '苔薄',
        'thick_coating' => '苔厚腻',
        'yellow_coating' => '苔黄',
        'white_coating' => '苔白'
    ];
    return $descriptions[$tongue] ?? $tongue;
}
?>

2. prescriptions.php – 经方数据库

<?php
// 经方数据库
$classic_prescriptions = [
    'gui_zhi_tang' => [
        'name' => '桂枝汤',
        'composition' => '桂枝9g, 芍药9g, 生姜9g, 大枣4枚, 甘草6g',
        'indications' => '太阳中风证。头痛发热，汗出恶风，鼻鸣干呕，苔白不渴，脉浮缓或浮弱者。',
        'contraindications' => '表实无汗，或表寒里热，不汗出而烦躁者禁用。'
    ],
    'ma_huang_tang' => [
        'name' => '麻黄汤',
        'composition' => '麻黄9g, 桂枝6g, 杏仁6g, 甘草3g',
        'indications' => '太阳伤寒证。恶寒发热，头身疼痛，无汗而喘，舌苔薄白，脉浮紧。',
        'contraindications' => '表虚自汗、血虚而脉兼尺中迟、误下而见身重心悸者禁用。'
    ],
    'xiao_chai_hu_tang' => [
        'name' => '小柴胡汤',
        'composition' => '柴胡12g, 黄芩9g, 人参6g, 半夏9g, 甘草5g, 生姜9g, 大枣4枚',
        'indications' => '少阳病证。往来寒热，胸胁苦满，默默不欲饮食，心烦喜呕，口苦，咽干，目眩，舌苔薄白，脉弦者。',
        'contraindications' => '肝阳上亢、肝火偏盛者慎用。'
    ],
    // 可继续添加更多经方...
];

// 症状与经方对应关系
$symptom_prescription_map = [
    'fever' => [
        'with_sweat' => 'gui_zhi_tang',
        'no_sweat' => 'ma_huang_tang',
        'alternating_chills_fever' => 'xiao_chai_hu_tang'
    ],
    'headache' => [
        'with_sweat' => 'gui_zhi_tang',
        'no_sweat' => 'ma_huang_tang'
    ]
    // 可继续扩展更多症状对应关系...
];
?>

3. index.php – 主问诊页面

<?php
require_once 'functions.php';
require_once 'prescriptions.php';

// 初始化变量
$patient_name = $gender = $age = '';
$symptoms = [];
$tongue = [];
$pulse = '';

// 处理表单提交
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    $patient_name = clean_input($_POST['patient_name']);
    $gender = clean_input($_POST['gender']);
    $age = clean_input($_POST['age']);

    // 收集症状
    if (isset($_POST['symptoms'])) {
        foreach ($_POST['symptoms'] as $symptom => $value) {
            $symptoms[$symptom] = clean_input($value);
        }
    }

    // 收集舌象信息
    if (isset($_POST['tongue'])) {
        foreach ($_POST['tongue'] as $tongue_feature => $value) {
            $tongue[$tongue_feature] = clean_input($value);
        }
    }

    $pulse = clean_input($_POST['pulse']);

    // 重定向到诊断页面
    header('Location: diagnose.php?' . http_build_query([
        'patient_name' => $patient_name,
        'gender' => $gender,
        'age' => $age,
        'symptoms' => $symptoms,
        'tongue' => $tongue,
        'pulse' => $pulse
    ]));
    exit;
}
?>
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>中医经方问诊系统</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="container">
        <header>
            <h1>中医经方问诊系统</h1>
        </header>

        <form method="post" action="<?php echo htmlspecialchars($_SERVER['PHP_SELF']); ?>">
            <fieldset>
                <legend>患者基本信息</legend>
                <div class="form-group">
                    <label for="patient_name">姓名:</label>
                    <input type="text" id="patient_name" name="patient_name" required>
                </div>

                <div class="form-group">
                    <label>性别:</label>
                    <div class="radio-group">
                        <input type="radio" id="male" name="gender" value="male" required>
                        <label for="male">男</label>

                        <input type="radio" id="female" name="gender" value="female">
                        <label for="female">女</label>
                    </div>
                </div>

                <div class="form-group">
                    <label for="age">年龄:</label>
                    <input type="number" id="age" name="age" min="1" max="120" required>
                </div>
            </fieldset>

            <fieldset>
                <legend>主要症状</legend>
                <div class="symptom-group">
                    <h3>发热</h3>
                    <div class="form-group">
                        <label>
                            <input type="checkbox" name="symptoms[fever]" value="1">
                            有发热
                        </label>
                    </div>

                    <div class="form-group sub-symptom">
                        <label>伴随症状:</label>
                        <select name="symptoms[fever_type]">
                            <option value="">-- 请选择 --</option>
                            <option value="with_sweat">有汗</option>
                            <option value="no_sweat">无汗</option>
                            <option value="alternating_chills_fever">寒热往来</option>
                        </select>
                    </div>

                    <div class="form-group sub-symptom">
                        <label>严重程度:</label>
                        <select name="symptoms[fever_severity]">
                            <option value="1">轻微</option>
                            <option value="2" selected>中度</option>
                            <option value="3">严重</option>
                        </select>
                    </div>
                </div>

                <div class="symptom-group">
                    <h3>头痛</h3>
                    <div class="form-group">
                        <label>
                            <input type="checkbox" name="symptoms[headache]" value="1">
                            有头痛
                        </label>
                    </div>

                    <div class="form-group sub-symptom">
                        <label>伴随症状:</label>
                        <select name="symptoms[headache_type]">
                            <option value="">-- 请选择 --</option>
                            <option value="with_sweat">有汗</option>
                            <option value="no_sweat">无汗</option>
                        </select>
                    </div>
                </div>

                <!-- 可以添加更多症状组 -->
            </fieldset>

            <fieldset>
                <legend>舌象</legend>
                <div class="form-group">
                    <label>舌质:</label>
                    <div class="radio-group">
                        <input type="radio" id="tongue_pale" name="tongue[body]" value="pale">
                        <label for="tongue_pale">淡</label>

                        <input type="radio" id="tongue_red" name="tongue[body]" value="red">
                        <label for="tongue_red">红</label>

                        <input type="radio" id="tongue_purple" name="tongue[body]" value="purple">
                        <label for="tongue_purple">紫暗</label>
                    </div>
                </div>

                <div class="form-group">
                    <label>舌苔:</label>
                    <div class="checkbox-group">
                        <input type="checkbox" id="tongue_thin" name="tongue[coating][]" value="thin_coating">
                        <label for="tongue_thin">薄</label>

                        <input type="checkbox" id="tongue_thick" name="tongue[coating][]" value="thick_coating">
                        <label for="tongue_thick">厚腻</label>

                        <input type="checkbox" id="tongue_yellow" name="tongue[coating][]" value="yellow_coating">
                        <label for="tongue_yellow">黄</label>

                        <input type="checkbox" id="tongue_white" name="tongue[coating][]" value="white_coating">
                        <label for="tongue_white">白</label>
                    </div>
                </div>
            </fieldset>

            <fieldset>
                <legend>脉象</legend>
                <div class="form-group">
                    <label for="pulse">脉象:</label>
                    <select id="pulse" name="pulse" required>
                        <option value="">-- 请选择 --</option>
                        <option value="floating">浮</option>
                        <option value="sinking">沉</option>
                        <option value="slow">迟</option>
                        <option value="rapid">数</option>
                        <option value="slippery">滑</option>
                        <option value="wiry">弦</option>
                        <option value="fine">细</option>
                    </select>
                </div>
            </fieldset>

            <div class="form-actions">
                <button type="submit" class="btn">提交诊断</button>
                <button type="reset" class="btn btn-secondary">重置</button>
            </div>
        </form>
    </div>
</body>
</html>

4. diagnose.php – 诊断处理页面

<?php
require_once 'functions.php';
require_once 'prescriptions.php';

// 获取问诊数据
$patient_name = clean_input($_GET['patient_name'] ?? '');
$gender = clean_input($_GET['gender'] ?? '');
$age = clean_input($_GET['age'] ?? '');
$symptoms = $_GET['symptoms'] ?? [];
$tongue = $_GET['tongue'] ?? [];
$pulse = clean_input($_GET['pulse'] ?? '');

// 诊断逻辑
$diagnosis = '';
$recommended_prescription = null;

// 简单诊断逻辑示例
if (isset($symptoms['fever']) && $symptoms['fever'] == '1') {
    if (isset($symptoms['fever_type'])) {
        switch ($symptoms['fever_type']) {
            case 'with_sweat':
                $diagnosis = '太阳中风证';
                $recommended_prescription = $classic_prescriptions['gui_zhi_tang'];
                break;
            case 'no_sweat':
                $diagnosis = '太阳伤寒证';
                $recommended_prescription = $classic_prescriptions['ma_huang_tang'];
                break;
            case 'alternating_chills_fever':
                $diagnosis = '少阳证';
                $recommended_prescription = $classic_prescriptions['xiao_chai_hu_tang'];
                break;
        }
    }
}

// 如果没有匹配到特定证型，提供一般建议
if (empty($diagnosis)) {
    $diagnosis = '四诊信息不足，请提供更多症状细节';
}
?>
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>诊断结果 - 中医经方问诊系统</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="container">
        <header>
            <h1>诊断结果</h1>
            <a href="index.php" class="back-link">返回问诊</a>
        </header>

        <div class="patient-info">
            <h2>患者信息</h2>
            <p><strong>姓名:</strong> <?php echo $patient_name; ?></p>
            <p><strong>性别:</strong> <?php echo $gender == 'male' ? '男' : '女'; ?></p>
            <p><strong>年龄:</strong> <?php echo $age; ?>岁</p>
        </div>

        <div class="diagnosis-result">
            <h2>诊断结果</h2>
            <div class="result-card">
                <h3>辨证:</h3>
                <p><?php echo $diagnosis; ?></p>

                <?php if ($recommended_prescription): ?>
                <h3>推荐经方:</h3>
                <div class="prescription-card">
                    <h4><?php echo $recommended_prescription['name']; ?></h4>
                    <p><strong>组成:</strong> <?php echo $recommended_prescription['composition']; ?></p>
                    <p><strong>主治:</strong> <?php echo $recommended_prescription['indications']; ?></p>
                    <p><strong>禁忌:</strong> <?php echo $recommended_prescription['contraindications']; ?></p>
                </div>
                <?php endif; ?>
            </div>
        </div>

        <div class="symptoms-summary">
            <h2>四诊摘要</h2>
            <h3>症状:</h3>
            <ul>
                <?php foreach ($symptoms as $symptom => $value): ?>
                    <?php if (!empty($value)): ?>
                        <li><?php echo ucfirst(str_replace('_', ' ', $symptom)); ?>: 
                            <?php echo is_array($value) ? implode(', ', $value) : $value; ?>
                        </li>
                    <?php endif; ?>
                <?php endforeach; ?>
            </ul>

            <h3>舌象:</h3>
            <ul>
                <?php foreach ($tongue as $feature => $value): ?>
                    <li><?php echo get_tongue_description($feature)); ?>: <?php echo $value; ?></li>
                <?php endforeach; ?>
            </ul>

            <h3>脉象:</h3>
            <p><?php echo $pulse; ?></p>
        </div>
    </div>
</body>
</html>

5. style.css – 样式表

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'SimSun', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

h1, h2, h3, h4 {
    color: #5a3921;
    margin-bottom: 15px;
}

/* 表单样式 */
fieldset {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
    margin-bottom: 20px;
}

legend {
    padding: 0 10px;
    font-weight: bold;
    color: #5a3921;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.radio-group,
.checkbox-group {
    display: flex;
    gap: 15px;
    margin-top: 5px;
}

.radio-group label,
.checkbox-group label {
    font-weight: normal;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.symptom-group {
    margin-bottom: 20px;
    padding: 10px;
    background: #f9f9f9;
    border-radius: 5px;
}

.sub-symptom {
    margin-left: 20px;
    padding-left: 15px;
    border-left: 2px solid #ddd;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #8d6e63;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
}

.btn:hover {
    background: #6d4c41;
}

.btn-secondary {
    background: #78909c;
}

.btn-secondary:hover {
    background: #546e7a;
}

.form-actions {
    text-align: center;
    margin-top: 20px;
}

/* 诊断结果页面样式 */
.back-link {
    display: inline-block;
    margin-top: 10px;
    color: #5a3921;
    text-decoration: none;
}

.patient-info,
.diagnosis-result,
.symptoms-summary {
    margin-bottom: 30px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 5px;
}

.result-card,
.prescription-card {
    padding: 15px;
    margin: 15px 0;
    background: white;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.prescription-card {
    background: #fff8e1;
    border-left: 4px solid #ffb74d;
}

ul {
    list-style-position: inside;
    margin-bottom: 15px;
}

li {
    margin-bottom: 5px;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .radio-group,
    .checkbox-group {
        flex-direction: column;
        gap: 5px;
    }

    .container {
        padding: 10px;
    }
}

系统功能说明

患者信息收集：

基本信息（姓名、性别、年龄）
主要症状（发热、头痛等，可扩展）
舌象（舌质、舌苔）
脉象

诊断逻辑：

根据症状组合匹配中医证型
推荐相应的经典方剂
显示方剂组成、主治和禁忌

结果展示：

辨证结论
推荐经方详情
四诊摘要回顾

扩展建议

增加更多症状和经方：

在prescriptions.php中添加更多经方
扩展symptom_prescription_map映射关系

增强诊断逻辑：

实现更复杂的辨证算法
添加体质辨识功能

数据持久化：

添加MySQL数据库存储病历
实现病历查询功能

安全性增强：

添加用户认证
加强输入验证

这个系统完全使用原生PHP实现，不依赖任何前端框架，保持了简洁性和可维护性，同时遵循了中医经方辨证的基本原则。

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