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thinkphp5.0框架怎样生成数据库字典

时间：2021-07-01 10:21:17 帮助过：17人阅读

本篇文章将教你用thinkphp5.0生成数据库字典，感兴趣的朋友一定不要错过哦！

示例代码使用PHP框架：Thinkphp5.0

PHP代码：相关教程：PHP视频教程

/**
    * 生成数据库字典html
    * 可直接另存为再copy到word文档中使用
    *
    * @return mixed
    */
   public function dataDictionary()
   {
       $tables = Db::query('SHOW TABLE STATUS');
       $table_list = array_map('array_change_key_case', $tables);
       $table_data = [];
       foreach ($table_list as $item) {
           $table_name = str_replace(config('database.prefix'),'',$item['name']);
           $table_fields = $this->showColumns($table_name);
           foreach ($table_fields as &$fieldItem) {
               $fieldItem['comment'] = $this->getDbColumnComment($table_name, $fieldItem['name']);
           }
           $table_data[] = [
               'table_name' => $item['name'],
               'table_comment' => $item['comment'],
               'table_fields' => $table_fields
           ];
       }
       $this->assign('table_data', $table_data);

       return $this->fetch('');
   }

   /**
    * 显示表结构信息
    *
    * @param string $table
    * @return array
    */
   private function showColumns($table){

       $sql = 'SHOW COLUMNS FROM `'.config('database.prefix').$table.'`';
       $result = Db::query($sql);
       if ($result === false) return array();
       $array = array();
       if (!empty($result)) {
           foreach ($result as $k=>$v) {
               $array[$v['Field']] = [
                   'name'    => $v['Field'],
                   'type'    => $v['Type'],
                   'null'       => $v['Null'],
                   'default' => $v['Default'],
                   'primary' => (strtolower($v['Key']) == 'pri'),
                   'autoinc' => (strtolower($v['Extra']) == 'auto_increment'),
               ];
           }
       }

       return $array;
   }

   /**
    * 获取数据库字段注释
    *
    * @param string $table_name 数据表名称(必须，不含前缀)
    * @param string|boolean $field 字段名称(默认获取全部字段,单个字段请输入字段名称)
    * @param string $table_schema 数据库名称(可选)
    * @return string
    */
   private function getDbColumnComment($table_name = '', $field = true, $table_schema = ''){
       // 接收参数
       $database = config('database');

       $table_schema = empty($table_schema) ? $database['database'] : $table_schema;
       $table_name = $database['prefix'] . $table_name;

       // 处理参数
       $param = [
           $table_name,
           $table_schema
       ];

       // 字段
       $columnName = '';
       if($field !== true){
           $param[] = $field;
           $columnName = "AND COLUMN_NAME = ?";
       }

       // 查询结果
       $result = Db::query("SELECT COLUMN_NAME as field,column_comment as comment FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ? AND table_schema = ? $columnName", $param);
       if(empty($result) && $field !== true){
           return $table_name . '表' . $field . '字段不存在';
       }

       // 处理结果
       foreach($result as $k => $v){
           $data[$v['field']] = $v['comment'];
           if(strpos($v['comment'], '#*#') !== false){
               $tmpArr = explode('#*#', $v['comment']);
               $data[$v['field']] = json_decode(end($tmpArr), true);
           }
       }
       // 字段注释格式不正确
       if(empty($data)){
           return $table_name . '表' . $field . '字段注释格式不正确';
       }
       return count($data) == 1 ? reset($data) : $data;
   }

Html代码：相关教程：HTML视频教程

 <html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>快速生成数据库字典</title>
    <style type="text/css">
        .table-name {
            text-align: center;
            margin: 15px auto;
            font-weight: bold;
            font-size: 20px;
        }

        table {
            border-collapse: collapse;
            margin: 0 auto;
            text-align: center;
            width: 550px;
        }

        table caption {
            margin: 15px auto;
        }

        table td, table th {
            border: 1px solid #cad9ea;
            color: #666;
            height: 30px;
        }

        table thead th {
            background-color: #CCE8EB;
            width: 100px;
        }

        table tr:nth-child(odd) {
            background: #fff;
        }

        table tr:nth-child(even) {
            background: #F5FAFA;
        }
    </style>
</head>
<body>

{foreach $table_data as $tableInfo}
<div class="table-name">{$tableInfo.table_name}(表注释：{$tableInfo.table_comment})</div>
<table class="table">
    <thead>
    <tr>
        <th>字段</th>
        <th>类型</th>
        <th>空</th>
        <th>默认</th>
        <th>注释</th>
    </tr>
    </thead>
    <tbody>
    {foreach $tableInfo['table_fields'] as $field}
    <tr>
        <td>
            {$field.name}
        </td>
        <td>
            {$field.type}
        </td>
        <td>
            {$field.null}
        </td>
        <td style="max-width: 30px;">
            {$field.default}
        </td>
        <td>
            {$field.comment}
        </td>
    </tr>
    {/foreach}
    </tbody>
</table>
{/foreach}


</body>
</html>

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