瀑布流ajax
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pubuliu.html
<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title></title> <style type="text/css"> *{ margin: 0; padding: 0; } .wrap{ width: 800px; margin: 0 auto; border: 1px solid red; overflow: hidden; position: relative; } .wrap ul{ float: left; width: 200px; /*border: 1px solid green;*/ list-style: none; padding: 10px; box-sizing: border-box; } .wrap ul li{ background-color: #ccc; margin-bottom: 20px; font-size: 50px; } .wrap ul li img{ width: 100%; } #btn1{ position: absolute; width: 100%; height: 24px; bottom: 0; left: 0; border: 0; padding: 0; font-size: 16px; } </style></head><body><div id="wrap" class="wrap"> <ul></ul> <ul></ul> <ul></ul> <ul></ul> <input type="button" value="点击加载更多" id="btn1"></div><script src="jquery-2.1.3.min.js"></script><script> var start = 0; $("#btn1").on("click",function () { $.ajax({ url:"pubuliu_api.php", type:"get", dataType:"json", data:{ page:start }, success:function (data) {// console.log(data); if (data.err == 0){ var imgs = data.result; for(var i = 0;i < imgs.length;i++){ var img = new Image(); img.src = imgs[i]["imgPath"]; img.onload = function () { // 用来放所有ul的高度 var arr = []; for(var j = 0;j < 4;j++) { arr.push($("ul").eq(j).height()); } var minHeight = arr[0]; var minIndex = 0; for(var i = 0;i < arr.length;i++) { if (minHeight > arr[i]) { minHeight = arr[i]; minIndex = i; } } var liObj = $("<li></li>"); liObj.append($(this)); $("ul").eq(minIndex).append(liObj); } } start++; } } }) })</script></body></html>
pubuliu_api.php
<?php/** * Created by PhpStorm. * User: dllo * Date: 16/8/16 * Time: 上午10:41 */require_once "common.php";$sql = "SELECT * FROM weibo ORDER by id DESC LIMIT 5";$result = mysql_query($sql);?><!doctype html><html><head> <meta charset="utf-8"> <title>新浪微博</title> <style> * { padding: 0; margin: 0; } li { list-style: none; } body { background: #f9f9f9; font-size: 14px; } #box { width: 450px; padding: 10px; border: 1px solid #ccc; background: #f4f4f4; margin: 10px auto; } #fill_in { margin-bottom: 10px; } #fill_in li { padding: 5px 0; } #fill_in .text { width: 380px; height: 30px; padding: 0 10px; border: 1px solid #ccc; line-height: 30px; font-size: 14px; font-family: arial; } #fill_in textarea { width: 380px; height: 100px; line-height: 20px; padding: 5px 10px; border: 1px solid #ccc; font-size: 14px; font-family: arial; overflow: auto; vertical-align: top; } #fill_in .btn { border: none; width: 100px; height: 30px; border: 1px solid #ccc; background: #fff; color: #666; font-size: 14px; position: relative; left: 42px; } #message_text h3 { font-size: 14px; padding: 6px 0 4px 10px; background: #ddd; border-bottom: 1px solid #ccc; } #message_text li { background: #f9f9f9; border-bottom: 1px solid #ccc; color: #666; overflow: hidden; } .caozuo{ float:right;} #message_text h3 { padding: 10px; font-size: 14px; line-height: 24px; } #message_text p { padding: 0 10px 10px; text-indent: 28px; line-height: 20px; } #page a{ font-size:24px; margin-left: 20px; } #page a.active{ color:yellow; } #content{resize: none;outline: none} </style></head><body><div id="box"> <ul id="fill_in"> <form> <li>内容:<textarea id="content"></textarea></li> <li><input id="btn" type="button" value="提交" class="btn" /></li> </form> </ul> <div id="message_text"> <ul class="list"> <?php while($row = mysql_fetch_assoc($result)){ echo "<li data-id=".$row["id"].">"; echo "<p>".$row["content"]."</p>"; $time = date("Y年m月d日 H:i:s",$row["time"]); echo "<p class='caozuo'><span>{$time} 顶: <a href='javascript:void(0)' class='ding'>".$row["up"]."</a> 踩: <a href='javascript:void(0)' class='cai'>".$row["down"]."</a><a href='javascript:void(0)' class='remove'> 删除</a></span></p>"; echo "</li>"; } ?> </ul> <div id="page"> <?php $sql="SELECT COUNT(id) FROM weibo"; $result = mysql_query($sql); $row = mysql_fetch_row($result); $pageCount = ceil($row[0]/5); for ($i = 0;$i < $pageCount;$i++){?> <a href='javascript:void(0)' class=<?php if($i == 0){echo "active";} ?>><?php echo $i+1; ?></a> <?php } ?> </div> </div></div><script src="jquery-2.1.3.min.js"></script><script> $(function () { $("#btn").on("click",function () { $.ajax({ url:"weibo_api.php", type:"get", data:{ type:"add", content:$("#content").val() }, dataType:"json", success:function (data) { if (data.err == 0){ addLi($("#content").val(),data.time,0,0,data.id); $("#content").val(""); }else{ alert("提交失败"); } } }) }); $(document).on("click",".ding",function (e) { var _this = $(e.target); $.ajax({ url:"weibo_api.php", type:"get", data:{ type:"up", id:_this.parents("li").attr("data-id") }, dataType:"json", success:function (data) { if (data.err == 0){ _this.html(data.upCount); }else{ alert(data.msg); } } }) }) $(document).on("click",".cai",function (e) { var _this = $(e.target); $.ajax({ url:"weibo_api.php", type:"get", data:{ type:"down", id:_this.parents("li").attr("data-id") }, dataType:"json", success:function (data) { if (data.err == 0){ _this.html(data.downCount); }else{ alert(data.msg); } } }) }) $(document).on("click",".remove",function (e) { var _this = $(e.target); $.ajax({ url:"weibo_api.php", type:"get", data:{ type:"remove", id:_this.parents("li").attr("data-id"), lastId:_this.parents("ul").children().last().attr("data-id") }, dataType:"json", success:function (data) { if (data.err == 0){ _this.parents("li").animate({ height:0 },function () { _this.parents("li").remove(); if (data.result){ var obj = data.result; addLi(obj.content,obj.time,obj.up,obj.down,obj.id,true); } }) }else{ alert(data.msg); } } }) }) $("#page a").on("click",function () { $("#page a").removeClass(); $(this).addClass("active"); $.ajax({ url:"weibo_api.php", type:"get", data:{ type:"page", page:$(this).index() }, dataType:"json", success:function (data) {// console.log(data); if (data.err == 0){ $("ul.list").empty(); for(var i = 0;i < data.result.length;i++){ var obj = data.result[i]; addLi(obj.content,obj.time,obj.up,obj.down,obj.id,true); } }else{ alert(data.msg); } } }) }) function add0(s) { if (s < 10){ return "0"+s; }else{ return s; } } // 处理从后台返回的时间戳 function setTime(s) { var data = new Date(); data.setTime(s*1000); return data.getFullYear() + "年" + add0(data.getMonth()+1) + "月" +add0(data.getDate())+"日"+add0(data.getHours())+":"+add0(data.getMinutes())+":"+add0(data.getSeconds()); } function addLi(content,time,up,down,id,isLast) { var liObj = $("<li data-id="+id+"><p>"+content+"</p><p class='caozuo'><span>"+setTime(time)+" 顶: "+"<a href='javascript:void(0)' class='ding'>"+up+"</a>"+ " 踩: " +"<a href='javascript:void(0)' class='cai'>"+down+"</a><a href='javascript:void(0)' class='remove'> 删除</a></span></p></li>"); // 用来判断加在第一行还是最后一行 if(isLast){ $(".list").append(liObj); }else{ $(".list").prepend(liObj); } var height = liObj.height(); liObj.height(0); liObj.animate({ height:height }) } })</script></body></html>
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