//连接到数据库$db=new MySQLi("localhost","root","","z_stu");!mysqli_connect_error() or die("连接失败");$db->query("set names utf8");//查询老师列表$sql="select * from teacher";//执行sql语句$result=$db->query($sql);//将结果转换成数组$attr=$result->fetch_all();?><table border="1" width="50%"><caption>老师表</caption> <tr><th>编号</th><th>姓名</th><th>性别</th><th>生日</th><th>职称</th><th>所在系</th><th>操作</th></tr><?php//循环打印老师信息foreach($attr as $k=>$v){?><tr><td><?php echo $v[0]; ?></td><!--编号--><td><?php echo $v[1]; ?></td><!--姓名--><td><?php echo $v[2]=="男" ? "男" : "女";?></td><!--性别--><td><?php echo substr($v[3],0,10);?></td><!--截取生日到天--><td><?php echo $v[4]; ?></td><!--职称--><td><?php echo $v[5]; ?></td><!--所在系--><td>
<!--                    方法一：<a href="chuli/delete.php?uid=老师编号"><button>删除</button></a>--><!--方法2：--><form action="chuli/delete.php" method="post"><input type="hidden" name="uid" value="<?php echo $v[0]; ?>"><button onClick="del(this)" class="btn" uid="<?php echo $v[0]; ?>" >删除</button></form><a href="chuli/update.php?type=update&tno=<?php echo $v[0]; ?>"><button>编辑</button></a></td></tr><?php }?></table><a href="chuli/update.php?type=add"><button>添加数据</button>
<script>

<?php//获取传值$uid=$_POST["uid"];$useid=$_GET["useid"];//连接到数据库$db=new MySQLi("localhost","root","","z_stu");!mysqli_connect_error() or die("连接失败");$db->query("set names utf8");//写删除sql语句$sql="delete from teacher where tno='$uid'";//执行sql语句$result=$db->query($sql);if($result){header("location:../index.php");}else{header("location:../index.php?id=1");}
?>

<?php//接收编辑传过来的值$type=$_GET["type"];$tno=$_GET["tno"];//连接到数据库$db=new MySQLi("localhost","root","","z_stu");!mysqli_connect_error() or die("连接失败");$db->query("set names utf8");if($type=="update"){$sql="select * from teacher where tno='$tno'";$result=$db->query($sql);$attr=$result->fetch_row();}$proName=array("助教","副教授","教授","讲师");$dpName=array("计算机系","电子工程系","数学系");?>
<fieldset><legend><?php echo $type=="update"? "编辑":"添加" ?> 数据</legend><form action="insert.php" method="post"><input type="hidden" name="type" value="<?php echo $type ?>"><!-- --><table><tr><td>编号</td><td><input type="text" name="tno" value="<?php echo $attr[0]==null ?"":$attr[0];?> " <?php echo $type=="update"? readonly:""; ?> ></td></tr><tr><td>姓名</td><td><input type="text" name="tname"  value="<?php echo $attr[1]==null ?"":$attr[1];?> "></td></tr><tr><td>性别</td><td><input type="radio" name="tsex" value="男" <?php echo $attr[2] == "男"? "checked":"" ?> >男<input type="radio" name="tsex" value="女" <?php echo $attr[2] == "女"? "checked":"" ?> >女</td></tr><tr><td>出生年月日</td><td><input type="text" name="tbirthday" class="form_datetime"  value="<?php echo $attr[3]==null ?"":$attr[3];?>"></td></tr><tr><td>职称</td><td><select name="pro" id=""><?phpforeach($proName as $v){if($v==$attr[4]){echo "<option selected> $v</option>";}else{echo "<option> $v</option>";}    }?></select></td></tr><tr><td>所在系</td><td><select name="depan" id=""><option >计算机系</option><option >电子工程系</option></select></td></tr></table><button >提交</button></form>
</fieldset>

<?php
//这个页面用来添加传过来的值到teacher表中
$type=$_POST["type"];
$tno=$_POST["tno"];//老师编号
$tname=$_POST["tname"];//老师姓名
$tsex=$_POST["tsex"];//老师性别
$tbirthday=$_POST["tbirthday"];//老师生日
$prof=$_POST["pro"];//老师职称
$depan=$_POST["depan"];//所在系
//连接到数据库
$db=new MySQLi("localhost","root","","z_stu");
!mysqli_connect_error() or die("连接失败");
$db->query("set names utf8");
//写添加sql语句
if($type=="add"){$sql="insert into teacher(tno,tname,tsex,tbirthday,prof,depan) values('$tno','$tname','$tsex','$tbirthday','$prof','$depan')";
}else if($type=="update"){$sql="update teacher set tname='$tname',tsex='$tsex',tbirthday='$tbirthday',prof='$prof',depan='$depan' where tno='$tno'";
}$result=$db->query($sql);
header("location:../index.php");
?>