Mysql数据库的链接、创建、读和写代码总结

<?php $con = mysql_connect("localhost","root","lmy"); // if (!$con) { die('Could not connect: ' . mysql_error()); } if (mysql_query("CREATE DATABASE my_db",$con)) { } /*else { echo "Error creating database: " . mysql_error(); }*/ //mysql_select_db() 函数选取数据库 mysql_select_db("my_db", $con); //创建数据表 //$sql = "CREATE TABLE log3(l_title varchar(50),l_content longtext,l_data datetime)"; //mysql_query($sql,$con); //将数据写入表中 mysql_query("INSERT INTO log3(l_content,l_title) VALUES ('".$_POST['editor1']."','".$_POST['title']."','".getdate()."')"); //将表中数据读取出来 $result = mysql_query("SELECT * FROM log3"); echo ""; while($row = mysql_fetch_array($result)) { echo ""; echo ""; echo ""; } echo "
".$row['l_title'] . "" . $row['l_content'] ."" . $row['l_data']."
"; mysql_close($con); ?>