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ThinkPHP+jquery实现“加载更多”功能代码

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ThinkPHP+jQuery实现“加载更多”

在很多web端界面中都会用到点击按钮加载最新几条数据的demo,下例为使用thinkphp+jquery实现实例:

要实现的结果大致如下

第一步

模板文件

      <!--软件-->
      <div class="lists switcher-panel switcher-panel-cur">
        <ul class="xinhao">
          {volist name="apps" id="vo"}
          <li class="app-item link">
            <div class="list-img">
              <img src="/public/static/images/{$vo.Pic}" alt=""></div>
            <div class="list-cont">
              <div class="lt-c-tit">
                <h2>
                  <a href="#nogo" rel="external nofollow" rel="external nofollow" >{$vo.AppName}</a></h2>
                <span>8.59MB</span></div>
              <div class="lt-c-s-n">
                <div class="lt-c-s-n-l">
                  <div class="star">
                    <p style="width: 73%;"></p>
                  </div>
                </div>
                <span>{$vo.DownloadCount}万次下载</span></div>
            </div>
            <div class="btns">
              <a class="dl-btn js-downloadBtn" href="http://shouji.360tpcdn.com/170214/5aeae868026625e95b389b357fbdd186/com.ss.android.article.video_116.apk" rel="external nofollow" >
                <span></span>下载</a>
            </div>
          </li>
          {/volist}
        </ul>
        <if condition="count($apps) eq 5">
          <div class="load-bar" id="loadmore">
            <a href="javascript:;" rel="external nofollow" class="user-pl-more-btn loadmore" data-type="1">加载更多</a>
          </div>
        </if>
        <div class="load-bar" id="tip">
        </div>
      </div>

第二步

后台文件

class Index
{
  //打印首页
  public function index()
  {
    $total=db('apps')->count();
    $apps=db('apps')->where('AppStatus',1)->limit(5)->order("AppID ASC")->select();
    //var_dump($apps);
    $view = new View();
    $view->assign('total',$total);
    $view->assign('apps',$apps);
    return $view->fetch('index');
  }

  public function data()
  {
    $start = Input('post.start');
    //echo($start);
    $list = db('apps')->limit($start, 5)->order('AppID asc')->select();
    return (array( 'result'=>$list,'status'=>1, 'msg'=>'获取成功!'));
  }

}

第三步

模板中的异步js

  <script>
    //加载更多
    var nStart = 5;
    $('#loadmore').click(function() {
      var _this = $(".xinhao");
      if(nStart >= {$total}) {
        //alert('后面没有数据了!');
        $("#loadmore").text('没有数据了亲...').css({"border-top":"1px solid #d4d5d6","height":"30px","line-height":"30px"});
        return false;
      } else {
        $.post("{:url('Indexhttps://img.qb5200.com/download-x/data')}", {start: nStart}, function(res) {
          $.each(res['result'], function(i, item) {
            _this.append('<li class="app-item link">\
              <div class="list-img">\
              <img src="/public/static/images/'+item.Pic+'"alt=""/></div>\
              <div class="list-cont">\
              <div class="lt-c-tit">\
              <h2>\
              <a href="#nogo" rel="external nofollow" rel="external nofollow" >'+item.AppName+'</a></h2>\
            <span>8.59MB</span></div>\
            <div class="lt-c-s-n">\
              <div class="lt-c-s-n-l">\
              <div class="star">\
              <p style="width: 73%;"></p>\
              </div>\
              </div>\
              <span>'+item.DownloadCount+'万次下载</span></div>\
            </div>\
            <div class="btns">\
              <a class="dl-btn js-downloadBtn" href="#" rel="external nofollow" >\
              <span></span>下载</a>\
              </div>\
              </li>');
          });
        });
        nStart += 5;
      }
    });
    </script>

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