本文实例讲述了php实现的后台表格分页功能。分享给大家供大家参考,具体如下:
user.php:
";
@$start = $_REQUEST['start'];
if($start === null || $start === " "){
die("start required");
}
require("init.php");
$sql = "SELECt * FROM xz_user LIMIT $start,$pagecount";
$sql1 = "SELECt uid FROM xz_user";
$result = mysqli_query($conn,$sql);
$result1 = mysqli_query($conn,$sql1);
if($result === false || $result1 === false) {
echo "执行失败";
}else {
//$rowcount = mysqli_affected_rows($conn);
$arr = mysqli_fetch_all($result,1);
$rowcount = count($arr);
echo "查询到的结果行数:" . $rowcount . "
";
//if($rowcount > 0){
$arr1 = mysqli_fetch_all($result1,1);
$count = count($arr1);
echo "总行数:$count
";
?>
| 用户编号 | 用户名 | 密码 | 邮箱 | 电话 | 操作 | ".$arr[$i]['uid']." | ".$arr[$i]['uname']." | ".$arr[$i]['upwd']." | ".$arr[$i]['email']." | ".$arr[$i]['phone']." | 删除 | "; } ?>
delete.php:
";
@$uid = $_REQUEST['uid'];
if($uid === null || $uid === " "){ //这里注意,是||
die("uid required");
}
require('init.php');
$sql = "DELETE FROM xz_user WHERe uid='$uid'";
$sql1 = "UPDATE xz_user SET uid=uid-1 WHERe uid > '$uid'";
$result = mysqli_query($conn,$sql);
if($result === false){
echo "执行失败";
}else{
$count = mysqli_affected_rows($conn);
if($count > 0){
echo "用户删除成功";
$result1= mysqli_query($conn,$sql1);
if($result1 === false){
echo "重排序失败";
}else{
echo "重排序成功";
}
if($uid % $pagecount == 0)
Header("Location:user.php?start=$uid");
if($uid % $pagecount == 1){
$uid -= 1;
Header("Location:user.php?start=$uid");
}
if($uid % $pagecount == 2){
$uid -= 2;
Header("Location:user.php?start=$uid");
}
}else{
echo "要删除的用户不存在";
}
}
?>
注:
(1)用AJAX可以实现传值优化,提升性能,这里没有实现;
(2)下一页那边还没有一些bug,不能到最后一页停止,后续再实现吧。
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希望本文所述对大家PHP程序设计有所帮助。



