php 打印生成的sql語句

echo M()->_sql();sql exit();this   Modelblog return $this->getLastSql();get   Logicit exit( D('orderszj')->_sql() );ast   $a = D('orderszj')->_sql() ；class $b = D('orderszc')->_sql() ；im exit($a."<br>

>>阅读原文<<