php更新数据库信息
<html><head><title>Update a Record in MySQL Database</title></head><body><?phpif(isset($_POST['update'])){$dbhost = 'localhost:3306';$dbuser = 'root';$dbpass = 'root';$conn = mysql_connect($dbhost, $dbuser, $dbpass);if(! $conn ){ die('Could not connect ');}$emp_id = $_POST['emp_id'];$emp_salary = $_POST['emp_salary'];$sql = "UPDATE employee ". "SET emp_salary = $emp_salary ". "WHERE emp_id = $emp_id" ;mysql_select_db('test_db');$retval = mysql_query( $sql, $conn );if(! $retval ){ die('Could not update data<a style="color:transparent">来@源gao*daima.com搞@代#码网</a><strong>搞gaodaima代码</strong>9;);}echo "Updated data successfully\n";mysql_close($conn);}else{?><form method="post" action="<?php $_PHP_SELF ?>"><table width="400" border="0" cellspacing="1" cellpadding="2"><tr><td width="100">Employee ID</td><td><input name="emp_id" type="text" id="emp_id"></td></tr><tr><td width="100">Employee Salary</td><td><input name="emp_salary" type="text" id="emp_salary"></td></tr><tr><td width="100"> </td><td> </td></tr><tr><td width="100"> </td><td><input name="update" type="submit" id="update" value="Update"></td></tr></table></form><?php}?></body></html>