喜迎
春节

PHP生成数据字典

数据字典
PHP
发布日期:   2018-06-21
文章字数:   795
阅读时长:   4 分

通过php代码生成MySQL数据字典，代码如下：

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
<?php
/**
 * 生成mysql数据字典
 */
header("Content-type: text/html; charset=utf-8");
//配置数据库
$dbserver   = "127.0.0.1";
$dbusername = "root";
$dbpassword = "root";
$database   = "demodb";

//其他配置
$mysql_conn = @mysql_connect($dbserver, $dbusername, $dbpassword) or die("Mysql connect is error.");
mysql_select_db($database, $mysql_conn);
mysql_query('SET NAMES utf8', $mysql_conn);
$table_result = mysql_query('show tables', $mysql_conn);

$no_show_table = array();    //不需要显示的表
$no_show_field = array();   //不需要显示的字段

//取得所有的表名
while($row = mysql_fetch_array($table_result)){
	if(!in_array($row[0],$no_show_table)){
		$tables[]['TABLE_NAME'] = $row[0];
	}
}
//替换所以表的表前缀
if(!empty($_GET['prefix'])){ 
	$prefix = 'wxaj';
	foreach($tables as $key => $val){
		$tableName = $val['TABLE_NAME'];
		$string = explode('_',$tableName);
		if($string[0] != $prefix){  
			$string[0] = $prefix;  
			$newTableName = implode('_', $string);  
			mysql_query('rename table '.$tableName.' TO '.$newTableName);  
		}
	}
	echo "替换成功！";exit();
}

//循环取得所有表的备注及表中列消息
foreach ($tables as $k=>$v) {
    $sql  = 'SELECT * FROM ';
    $sql .= 'INFORMATION_SCHEMA.TABLES ';
    $sql .= 'WHERE ';
    $sql .= "table_name = '{$v['TABLE_NAME']}'  AND table_schema = '{$database}'";
    $table_result = mysql_query($sql, $mysql_conn);
    while ($t = mysql_fetch_array($table_result) ) {
        $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT'];
    }

    $sql  = 'SELECT column_name FROM ';
    $sql .= 'INFORMATION_SCHEMA.`KEY_COLUMN_USAGE` ';
    $sql .= 'WHERE ';
    $sql .= "table_name = '{$v['TABLE_NAME']}'  AND constraint_name = 'PRIMARY'";
    $pk_result = mysql_query($sql, $mysql_conn);
    $pks = [];
    while ($t = mysql_fetch_array($pk_result) ) {
        $pks[] = $t['column_name'];
    }
    $tables[$k]['PRIMARY_KEY'] = $pks;

    $sql  = 'SELECT * FROM ';
    $sql .= 'INFORMATION_SCHEMA.COLUMNS ';
    $sql .= 'WHERE ';
    $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database}'";

    $fields = [];
    $field_result = mysql_query($sql, $mysql_conn);
    while ($t = mysql_fetch_array($field_result) ) {
        $fields[] = $t;
    }
    $tables[$k]['COLUMN'] = $fields;
}
mysql_close($mysql_conn);


$html = '';
//循环所有表
foreach ($tables as $k=>$v) {
    $html .= '	<h3>' . ($k + 1) . '、' . $v['TABLE_COMMENT'] .'  （'. $v['TABLE_NAME']. '）</h3>'."\n";
    $html .= '	<table border="1" cellspacing="0" cellpadding="0" width="100%">'."\n";
    $html .= '		<tbody>'."\n";
	$html .= '			<tr>'."\n";
	$html .= '				<th>字段名</th>'."\n";
	$html .= '				<th>数据类型</th>'."\n";
	$html .= '				<th>默认值</th>'."\n";
	$html .= '				<th>允许非空</th>'."\n";
	$html .= '				<th>自动递增</th>'."\n";
	$html .= '				<th>是否主键</th>'."\n";
	$html .= '				<th>备注</th>'."\n";
	$html .= '			</tr>'."\n";

    foreach ($v['COLUMN'] as $f) {
		if(empty($no_show_field[$v['TABLE_NAME']]) || !is_array($no_show_field[$v['TABLE_NAME']])){ 
			$no_show_field[$v['TABLE_NAME']] = array();
		}
		if(!in_array($f['COLUMN_NAME'],$no_show_field[$v['TABLE_NAME']])){
			$html .= '			<tr>'."\n";
			$html .= '				<td class="c1">' . $f['COLUMN_NAME'] . '</td>'."\n";
			$html .= '				<td class="c2">' . $f['COLUMN_TYPE'] . '</td>'."\n";
			$html .= '				<td class="c3">' . $f['COLUMN_DEFAULT'] . '</td>'."\n";
			$html .= '				<td class="c4">' . $f['IS_NULLABLE'] . '</td>'."\n";
			$html .= '				<td class="c5">' . ($f['EXTRA']=='auto_increment'?'是':'&nbsp;') . '</td>'."\n";
			$html .= '				<td class="c6">' . (in_array($f['COLUMN_NAME'],$v['PRIMARY_KEY'])?'是':'&nbsp;') . '</td>'."\n";
			$html .= '				<td class="c7">' . $f['COLUMN_COMMENT'] . '</td>'."\n";
			$html .= '			</tr>'."\n";
		}
    }
    $html .= '		</tbody>'."\n";
	$html .= '	</table>'."\n";
}
?>


<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>数据字典</title>
<meta name="generator" content="ThinkDb V1.0" />
<meta name="author" content="Crazy_boy" />
<meta name="copyright" content="2014-208 zotuo.com" />
<style>
body, td, th { font-family: "微软雅黑"; font-size: 14px; }
.warp{margin:auto; width:900px;}
.warp h3{margin:0px; padding:0px; line-height:30px; margin-top:10px;}
table { border-collapse: collapse; border: 1px solid #CCC; background: #efefef; }
table th { text-align: left; font-weight: bold; height: 26px; line-height: 26px; font-size: 14px; text-align:center; border: 1px solid #CCC; padding:5px;}
table td { height: 20px; font-size: 14px; border: 1px solid #CCC; background-color: #fff; padding:5px;}
.c1 { width: 120px; }
.c2 { width: 120px; }
.c3 { width: 150px; }
.c4 { width: 80px; text-align:center;}
.c5 { width: 80px; text-align:center;}
.c6 { width: 80px; text-align:center;}
.c7 { width: 270px; }
</style>
</head>
<body>
<div class="warp">
	<h1 style="text-align:center;">数据字典</h1>
<?php echo $html; ?>
</div>
</body>
</html>

其中$dbserver、$dbusername、$dbpassword、$database需配置为相应的数据库IP地址、用户名、密码、数据库名。
代码下载：dictionary.php

文章作者: Crazy Boy
文章链接: https://crazy-boy.com/posts/make-dictionary-by-php.html
版权声明: 本博客所有文章除特別声明外，均采用 CC BY 4.0 许可协议。转载请注明来源 Crazy Boy !
数据字典
赏
评 论
 上一篇
MySQL自定义函数
MySQL自定义函数
有时候要对MySQL数据进行批量处理，仅仅依靠已有的内置函数是不够的，这个时候就需要添加一些自定义的函数了，下面列举一些常用的自定义函数 1. 批量处理字符串，将”FEEED305904B”转为”FE:EE:D3:05:90:4B”格式：
2018-09-05 MySQL
MySQL
下一篇 
Oracle笔记
Oracle笔记
1. 强制并行处理/*+ monitor parallel(8)*/ 2. plsql查看sql性能F5 3. 在oracle中有时候需要进行MySQL中的find_in_set查询，故封装了如下函数：1234567891011121314
2018-06-19 Oracle
Oracle
  目录
hexo