請(qǐng)教大神thinkphp5 怎么打印sql語(yǔ)句

你好，一共有兩種方法可以打印sql語(yǔ)句，具體實(shí)桐羨攜現(xiàn)方法局伏可參照這篇文章：

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ThinkPHP5打印sql語(yǔ)句

[?SQL?]?SHOW?COLUMNS?FROM?`think_action`?[?RunTime:0.001339s?]

[?EXPLAIN?:?array?(?'id'?=?'1',?'select_type'?=?'派數(shù)SIMPLE',?'table'?=?'think_action',?'partitions'?=?NULL,?'type'?=?'ALL',?'possible_keys'?=?NULL,?'key'?=?NULL,?'key_len'?=?NULL,?'ref'?=?NULL,?'rows'?=?'82',?'filtered'?=?'100.00',?'extra'?=?NULL,?)?]

[?SQL?]?SELECT?*?FROM?`think_action`?LIMIT?1?[?RunTime:0.000539s?]

PHP:打印SQL語(yǔ)句

$sql = "insert into db(id,name) values('昌拿做敏余$id','耐衡$name')";

echo $sql;

寫(xiě)一個(gè)php查詢(xún)語(yǔ)句并找打印出來(lái)

?php

$db_host='啟伏localhost';

$db_name='test123';

$db_user='test123';

$db_psd='test123';

mysql_connect($db_host,$db_user,$db_psd);

mysql_select_db($db_name);

$sql="select * from `group`"隱旁悶;

$res=mysql_query($sql);

if($resmysql_num_rows($res)0){

$row=mysql_fetch_assoc($res);

}

echo ($row['title'灶彎]);

?