PHP获取mysql数据表的字段名称和详细信息的方法

SHOW DATABASES????????????????????????????????//列出 MySQL Server 数据库.
SHOW TABLES [FROM db_name]????????????????????//列出数据库数据表.
SHOW CREATE TABLES tbl_name????????????????????//导出数据表结构.
SHOW TABLE STATUS [FROM db_name]??????????????//列出数据表及表状态信息.
SHOW COLUMNS FROM tbl_name [FROM db_name]???? //列出资料表字段
SHOW FIELDS FROM tbl_name [FROM db_name],DESCRIBE tbl_name [col_name].
SHOW FULL COLUMNS FROM tbl_name [FROM db_name]//列出字段及详情
SHOW FULL FIELDS FROM tbl_name [FROM db_name] //列出字段完整属性
SHOW INDEX FROM tbl_name [FROM db_name]?????? //列出表索引.
SHOW STATUS??????????????????????????????????//列出 DB Server 状态.
SHOW VARIABLES?????????????????????????????? //列出 MySQL 系统环境变量.
SHOW PROCESSLIST???????????????????????????? //列出执行命令.
SHOW GRANTS FOR user???????????????????????? //列出某用户权限

$rescolumns = mysql_query("SHOW FULL COLUMNS FROM ".TB_NAME."") ;
while($row = mysql_fetch_array($rescolumns)){
//??echo '字段名称：'.$row['Field'].'-数据类型：'.$row['Type'].'-注释：'.$row['Comment'];
//??echo '<br/><br/>';
??print_r($row);
}

Array ( [0] => id [Field] => id [1] => char(2) [Type] => char(2) [2] => utf8_general_ci [Collation] => utf8_general_ci [3] => NO [Null] => NO [4] => PRI [Key] => PRI [5] => [Default] => [6] => [Extra] => [7] => select,insert,update,references [Privileges] => select,references [8] => [Comment] => )

Array ( [0] => title [Field] => title [1] => char(50) [Type] => char(50) [2] => utf8_general_ci [Collation] => utf8_general_ci [3] => YES [Null] => YES [4] => [Key] => [5] => [Default] => [6] => [Extra] => [7] => select,references [8] => 建议存储：标题、姓名等信息 [Comment] => 建议存储：标题、姓名等信息 )PHP编程

Array ( [0] => des [Field] => des [1] => varchar(255) [Type] => varchar(255) [2] => utf8_general_ci [Collation] => utf8_general_ci [3] => YES [Null] => YES [4] => [Key] => [5] => [Default] => [6] => [Extra] => [7] => select,references [8] => [Comment] => )PHP编程

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