利用mysql查询总数据条数,再php处理数据转出数组,生成随机返回到页面,可以做成刷新页面,出现不同的内容
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | create table hxfimported( pid int primary key auto_increment, pic varchar(64), pname varchar(32), price float(10,2) ); insert into hxfimported values (null, "img/imported-6.jpg" , "越南白心火龙果 " , "41.9" ), (null, "img/imported-1.jpg" , "泰国金枕头榴莲" , "118.0" ), (null, "img/imported-3.jpg" , "澳洲混合桉树蜂蜜" , "99.0" ), (null, "img/imported-4.jpg" , "马来西亚白咖啡" , "65.00" ), (null, "img/imported-2.jpg" , "爱伦蒂全脂纯牛奶" , "65.00" ), (null, "img/imported-39.jpg" , "西班牙特级橄榄油" , "65.00" ), (null, "img/imported-12.jpg" , "越南白心火龙果 " , "41.9" ), (null, "img/imported-13.jpg" , "马来西亚白咖啡 " , "41.9" ), (null, "img/imported-19.jpg" , "澳洲混合桉树蜂蜜 " , "41.9" ), (null, "img/imported-7.jpg" , "泰国金枕头榴莲 " , "41.9" ), (null, "img/imported-3.jpg" , "越南白心火龙果 " , "41.9" ), (null, "img/imported-15.jpg" , "爱伦蒂全脂纯牛奶 " , "41.9" ), (null, "img/imported-2.jpg" , "西班牙特级橄榄油 " , "41.9" ), (null, "img/imported-17.jpg" , "越南白心火龙果 " , "41.9" );<?php $conn =mysqli_connect( "127.0.0.1" , "root" , "" , "hxf" ); $sql = "set names utf8" ; mysqli_query( $conn , $sql ); $sql = "select count(1) as number from hxfimported" ; $result =mysqli_query( $conn , $sql ); $data = mysqli_fetch_array( $result ); $count = $data [ 'number' ]; $len =rand(0, $count -6); $sql = "select pic,pname,price from hxfimported limit $len,6" ; $result =mysqli_query( $conn , $sql ); $list = array (); if ( $result ==false){ echo "$len" ; } else { while (( $row =mysqli_fetch_assoc( $result ))!=null){ $list []= $row ; } } echo json_encode( $list ); ?><div class = "imported-food common" > <div class = "weui-panel weui-panel_access" > <a href= "importedFoods.html" > <div class = "weui-panel__hd" ><p class = "item-title" >进口食品<span class = "weui-cell-ft" ></span></p></div> <div class = "weui-panel__bd" > <div class = "weui-media-box weui-media-box_text" > <p class = "weui-media-box__desc" ><img src= "img/imported-food-header.jpg" alt= "" /></p> </div> </div> </a> <div class = "weui-grids" > </div> </div> </div>$.getJSON( "hxfimported.php" ,{}, function (data){ var _html= "" ; $.each(data, function (i,item){ _html+=`<a href= "local-${i+1}.html" class = "weui-grid" > <div class = "weui-grid__icon" > <img src= "${item.pic}" alt= "" > </div> <p class = "weui-grid__label" >${item.pname}</p> <p class = "weui-grid__price" >¥${item.price}</p> </a>` }) $( '.imported-food .weui-grids' ).append(_html); }); |
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