<meta charset="UTF-8"> <?php $link=mysqli_connect("localhost:3306","root","root","supermarket"); if(!$link) {echo "連接失敗的原因是：" . mysqli_connect_error();} mysqli_query($link,"set names utf8"); $sql="select * from goods"; $a=mysqli_query($link,$sql); while($res=mysqli_fetch_assoc($a)){$arr[]=$res; }

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//刪除 <meta charset="UTF-8"> <?php $link=mysqli_connect("localhost:3306","root","root","supermarket"); if(!$link) {echo "連接失敗的原因是：" . mysqli_connect_error();} mysqli_query($link,"set names utf8"); $id=isset($_GET['id'])?trim($_GET['id']):''; if(empty($id)) die("要刪除的數據沒有傳過來"); $sql="delete from goods where goods_id in($id)"; $a=mysqli_query($link,$sql); if($a){echo "刪除成功";header("location:a.php");} else{echo "刪除失敗";header("location:a.php"); }

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//添加 <?php$date=isset($_POST['date'])?trim($_POST['date']):''; $ge=isset($_POST['ge'])?trim($_POST['ge']):''; $shu=isset($_POST['shu'])?trim($_POST['shu']):'';if(empty($date)) die("日期不能為空"); if(empty($ge)) die("價格不能為空"); if(empty($shu)) die("數量不能為空"); $link=mysqli_connect("localhost:3306","root","root","supermarket"); if(!$link) {echo "連接失敗的原因是：" . mysqli_connect_error();} mysqli_query($link,"set names utf8"); $sql="insert into goods(goods_id,goods_date,goods_price,goods_num) values(null,'".$date."','".$ge."','".$shu."')"; //根據需求改字段 $a=mysqli_query($link,$sql); if($a){echo "添加成功";header("location:xing.html"); }else{echo "添加失敗";header("location:xing.html"); }?>

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//修改 <meta charset="UTF-8"><?php$link=mysqli_connect("localhost:3306","root","root","yuekao"); if(!$link) echo "鏈接失敗的原因是：" . mysqli_connect_error(); mysqli_query($link,"set names utf8"); $xm=isset($_POST['xm'])?trim($_POST['xm']):''; $q=isset($_POST['q'])?trim($_POST['q']):''; $time=isset($_POST['time'])?trim($_POST['time']):''; $chang=isset($_POST['chang'])?trim($_POST['chang']):''; $shi=isset($_POST['shi'])?trim($_POST['shi']):''; $id=isset($_POST['id'])?trim($_POST['id']):'';//接值 if(empty($xm)) die("姓名不能為空"); if(empty($id)) die("id不能為空"); if(empty($time)) die("時間不能為空"); if(empty($chang)) die("場地不能為空"); if(empty($shi)) die("注意事項不能為空"); $time=time(); $sql="update bisai set name='$xm',time='$time',address='$chang',zhu='$shi' where id='$id'";//根據需求更改 $a=mysqli_query($link,$sql); if($a){echo "修改成功";header("location:zeng.php"); }else{echo "修改失敗";header("location:zeng.php"); } ?>

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轉載于:https://www.cnblogs.com/chaihtml/p/9343758.html

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