NetBeans +phpstudy的使用建一个小的学生管理系统
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
header("Content-type: text/html;charset=utf-8;");
$id=filter_input(INPUT_POST, 'id');
$password= filter_input(INPUT_POST, 'password');
$jb=filter_input(INPUT_POST,'jb');
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
$link=mysqli_connect("127.0.0.1","root","root","phpdata");
mysqli_set_charset($link,"utf8");
$query="select password,jb from id1 where id=".$id;
$result= mysqli_query($link, $query);
if(!mysqli_num_rows($result))
{echo "";}
else
{
$row=mysqli_fetch_assoc($result);
if($row["password"]==$password&&$row["jb"]==$jb)
{
setcookie("willid",$id,time()+3600);
setcookie("nowid",$id,time()+600);
setcookie("nowjb",$jb,time()+600);
echo "";}
else {echo "";}
}
ml>
header("Content-type: text/html;charset=utf-8;");
$id=filter_input(INPUT_POST,'id');
$password=filter_input(INPUT_POST,'password');
$jb= filter_input(INPUT_POST,'jb');
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
echo $id;
echo "
";
echo $password."
";
echo $jb."
";
$link=mysqli_connect("127.0.0.1","root","root");
mysqli_set_charset($link,"utf8");
if(!$link)
{ echo "数据库未连接成功！";}
if(!mysqli_set_charset($link,"utf8"))
{ echo "
"."数据库编码格式没有调整为utf-8"."
";}
if(!mysqli_select_db($link,'phpdata'))
{ echo "数据库没有选择成功!"."
";}
//遍历数据实例：
$sql="select * from id1 where id=".$id;
$result=mysqli_query($link,$sql);
if(mysqli_num_rows($result))
{
echo"";
}
else
{
$query="insert into id1 values('{$id}','{$password}','{$jb}','0','0','0')";
if(mysqli_query($link,$query))
{
echo"";
echo"";
}
else
{
echo $id." ".$password." ".$jb."插入失败！"."
";
}
}
header("Content-type:text/html;charset=utf-8;");
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
$id=isset($_COOKIE["nowid"])?$_COOKIE["nowid"]:'';
$jb=isset($_COOKIE["nowjb"])?$_COOKIE["nowjb"]:'';
if($id=='')
{echo "";}
if($jb=="student")
{$jbname="学生";}
if($jb=="teacher")
{$jbname="老师";}
$link=mysqli_connect("127.0.0.1", "root", "root", "phpdata");
mysqli_set_charset($link, "utf8")
?>
QUT.EDU
信息表
$select=filter_input(INPUT_POST, "select");
$alter_0= filter_input(INPUT_POST, "alter_0");
$alter_1= filter_input(INPUT_POST, "alter_1");
$alter_2= filter_input(INPUT_POST, "alter_2");
$delete= filter_input(INPUT_POST, "delete");
if($select!="")
{
if(!is_numeric($select))
{ echo "请输入正确id!";}
else
{
$query_select="select * from id1 where id=".$select;
$result_select= mysqli_query($link, $query_select);
if(!mysqli_num_rows($result_select))
{ echo "查无此人！";}
if(mysqli_num_rows($result_select)==1)
{
$row= mysqli_fetch_assoc($result_select);
echo "学工号：";
echo $row["id"];
echo "
";
echo "身份:";
echo $row["jb"];
echo "
";
echo "数学：";
echo $row["meth"];
echo "
";
echo "语文：";
echo $row["chinese"];
echo "
";
echo "英语：";
echo $row["english"];
echo "
";
echo "总分：";
echo $row["meth"]+$row["chinese"]+$row["english"];
}
}
}
if($delete!="")
{
if(!is_numeric($delete))
{echo "请输入正确id";}
else{
$query_delete="select * from id1 where id=".$delete;
$result_delete= mysqli_query($link, $query_delete);
if(!mysqli_num_rows($result_delete))
{ echo "查无此人！";}
else
{
$result_delete_true="delete from id1 where id=".$delete;
if(mysqli_query($link, $result_delete_true))
{echo "删除成功！";}
else
{echo "删除失败！";}
}
}
}
if($alter_0!=0||$alter_2!=0)
{
if($alter_0!=''&&$alter_2!='')
{
$query_alter="select * from id1 where id=".$alter_0;
$result_alter= mysqli_query($link, $query_alter);
if(!mysqli_num_rows($result_alter))
{ echo "查无此人！";}
else if(!is_numeric($alter_2))
{echo "修改值必须是数字";}
else if($alter_2<=150&&$alter_2>=0)
{
$query_alter_="update id1 set ".$alter_1."=".$alter_2." where id=".$alter_0;
$result_alter_=mysqli_query($link,$query_alter_);
if($result_alter_)
{echo "修改成功！";}
}
}
else if($alter_2==''||$alter_0=='')
{echo "请填写完整";}
}
if($delete==''&&$alter_0==""&&$alter_2==''&&$select=='')
{
$query_all="select * from id1 where jb='student'order by id asc";
$result_all= mysqli_query($link, $query_all);
echo "
";
echo '
| 学工号 | 身份 | 英语 | 语文 | 数学 | 总分 |
| {$row["id"]} | ".{$row["jb"]} | ".{$row["english"]} | ".{$row["chinese"]} | ".{$row["meth"]} | ".{$all} | ".
}
?>
$will_id=isset($_COOKIE["willid"])?$_COOKIE["willid"]:'';
?>
QUT.EDU注册
学工号：
密码：
再次输入密码：
你的身份： 老师 学生注册 重置
这是舍友大力帮助下写的，具体软件的安装与下载我有时间的话在修该，希望对你有所帮助