经过长时间的搜寻没有能够找到解决SQL语法错误和取消定义索引错误
Undefined index: coursename in C:\wamp\www\StudentInformationProject\Student_new\courseinsert.php on line 17
Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '1'>
这里之后是代码
if(isset($_POST["button"]))
{
$sql="INSERT INTO course(courseid, coursename, comment, coursekey)
VALUES('".$_POST['courseid']."','".$_POST['coursename']."',
'".$_POST['comment']."','".$_POST['coursekey']."')";
if (!mysql_query($sql,$con))
{
die('Error: ' . mysql_error());
}
else
{
echo "1 record Inserted Successfully...";
}
}
“未定义的索引:coursename” - 您似乎没有在发布课程名称。另外,我希望你能尽快学习SQL注入。 – Blorgbeard
尝试''echo''sql'并查看是否可以看到它有什么问题 – Blorgbeard
正如@Blorgbeard所说,检查[this](http://stackoverflow.com/questions/60174/how-to-prevent-sql步喷射功能于PHP?RQ = 1) –