php实现的后台表格分页功能示例
发布时间:2021-03-14 00:21:07 所属栏目:PHP教程 来源:网络整理
导读:本篇章节讲解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"); $sql = "SELECT * FROM xz_user LIMIT
本篇章节讲解php实现的后台表格分页功能。分享给大家供大家参考,具体如下: user.php: "; @$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:$count "; ?> delete.php: "; @$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。 更多关于PHP相关内容感兴趣的读者可查看本站专题:《》、《》、《》、《》、《》、《》及《》 希望本文所述对大家PHP程序设计有所帮助。 (编辑:开发网_郴州站长网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |