本文實例講述了php實現(xiàn)的后臺表格分頁功能。分享給大家供大家參考,具體如下:
?php //init.php $conn = mysqli_connect('127.0.0.1','root','','xz',3306); $sql = "SET NAMES UTF8"; mysqli_query($conn,$sql); $pagecount = 3; ?>
user.php:
?php //用戶管理 echo "用戶管理br/>"; @$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 || $result1 === false) { echo "執(zhí)行失敗"; }else { //$rowcount = mysqli_affected_rows($conn); $arr = mysqli_fetch_all($result,1); $rowcount = count($arr); echo "查詢到的結果行數(shù):" . $rowcount . "br/>"; //if($rowcount > 0){ $arr1 = mysqli_fetch_all($result1,1); $count = count($arr1); echo "總行數(shù):$countbr/>"; ?> table border="1"> tr> td>用戶編號/td> td>用戶名/td> td>密碼/td> td>郵箱/td> td>電話/td> td>操作/td> /tr> ?php for($i=0;$icount($arr);$i++){ $tmp = $arr[$i]['uid']; echo " tr> td>".$arr[$i]['uid']."/td> td>".$arr[$i]['uname']."/td> td>".$arr[$i]['upwd']."/td> td>".$arr[$i]['email']."/td> td>".$arr[$i]['phone']."/td> td>a href='delete.php?uid=".$tmp."'>刪除/a>/td> /tr> "; } ?> /table> ?php } ?> !-- 傳值 AJAX可優(yōu)化 --> a href="user.php?start=0" rel="external nofollow" >首頁/a> a href="user.php?start=?php if($start>=3)echo $start-3; else echo $start; ?>" rel="external nofollow" >上頁/a> a href="user.php?start=3" rel="external nofollow" >2/a> a href="user.php?start=6" rel="external nofollow" >3/a> a href="user.php?start=9" rel="external nofollow" >4/a> a href="user.php?start=12" rel="external nofollow" >5/a> a href="user.php?start=15" rel="external nofollow" >6/a> a href="user.php?start=?php echo $start+3; ?>" rel="external nofollow" >下頁/a> a href="user.php?start=?php if($count%3==1)echo $count-1; elseif($count%3==2) echo $count-2; elseif($count%3==0) echo $count-3; ?>" rel="external nofollow" >尾頁/a> span>第?php echo $start/$pagecount+1 ?>頁|共?php $tmp=$count/$pagecount; $tmp1=(int)($count/$pagecount); if($tmp>$tmp1) echo $tmp1+1; else echo $tmp1; ?>頁/span>
delete.php:
?php //刪除用戶 echo "刪除用戶br/>"; @$uid = $_REQUEST['uid']; if($uid === null || $uid === " "){ //這里注意,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 "執(zhí)行失敗"; }else{ $count = mysqli_affected_rows($conn); if($count > 0){ echo "用戶刪除成功"; $result1= mysqli_query($conn,$sql1); if($result1 === false){ echo "重排序失敗"; }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 "要刪除的用戶不存在"; } } ?>
注:
(1)用AJAX可以實現(xiàn)傳值優(yōu)化,提升性能,這里沒有實現(xiàn);
(2)下一頁那邊還沒有一些bug,不能到最后一頁停止,后續(xù)再實現(xiàn)吧。
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希望本文所述對大家PHP程序設計有所幫助。
標簽:欽州 駐馬店 黑河 延邊 中衛(wèi) 阜陽 南昌 臨夏
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