jQuery AJAX implements drop-down loading without refresh_jquery

With the development of the Internet era, the web front-end has been linked to the background data. As a web front-end, it is not just about cutting pictures and writing html, css and simple js interaction.

js code

$(function() {
  var page = 1;
  var discount = $('#discount');
  var innerHeight = window.innerHeight;
  var timer2 = null;
  $.ajax({
    url: '/lightapp/marketing/verify/apply/list?page=1',
    type: 'GET',
    dataType: 'json',
    timeout: '1000',
    cache: 'false',
    success: function (data) {
        if (data.error_code === 0) {
          var arrText = [];
          for (var i = 0, t; t = data.list[i++];) {
            arrText.push('<div class="consume-whole">');
            arrText.push('<h3>' + t.title + '</h3>');
            if (t.coupon_type == 1 ) {
              arrText.push('<p>金额：￥' + t.amount + '</p>');
            } else {
              arrText.push('<p>优惠：' + t.amount + '</p>');
            }
            arrText.push('<p><span class="hx-user">用户：s账户飒飒是是是啊啊12' + t.user_name +'</span>' + '<span>核销时间：' + t.use_time + '</span></p>');
            arrText.push('</div>');
          }
          discount.html(arrText.join(''));
        };
        var ajax_getting = false;
        $(window).scroll(function() {
          clearTimeout(timer2);
          timer2 = setTimeout(function() {
            var scrollTop = $(document.body).scrollTop();
            var scrollHeight = $('body').height();
            var windowHeight = innerHeight;
            var scrollWhole = Math.max(scrollHeight - scrollTop - windowHeight);
            if (scrollWhole < 100) {
              if (ajax_getting) {
                return false;
              } else {
                ajax_getting = true;
              }
              discount.append('<div class="load"><img src="/lightapp/static/zhida-yunying/img/load.gif" width="6%" /></div>');
              $('html,body').scrollTop($(window).height() + $(document).height());
              page++;
              $.ajax({
                url: '/lightapp/marketing/verify/apply/list&#63;page=' + page,
                type: 'GET',
                dataType: 'json',
                success: function (data) {
                  if (data.error_code === 0) {
                    var arrText = [];
                    for (var i = 0, t; t = data.list[i++];) {
                      arrText.push('<div class="consume-whole"><a href="/lightapp/marketing/verify/page/info&#63;rule_id=' + t.rule_id + '&coupon_id='+ t.coupon_id +'">');
                      arrText.push('<h3>' + t.title + '</h3>');
                      if (t.coupon_type == 1 ) {
                         arrText.push('<p>金额：￥' + t.amount + '</p>');
                      } else {
                        arrText.push('<p>优惠：' + t.amount + '</p>');
                      };
                      arrText.push('<p><span class="hx-user">用户：账户飒111111111' + t.user_name +'</span>' + '<span>核销时间：' + t.use_time + '</span></p>');
                      arrText.push('</a></div>');
                    }
                    discount.append(arrText.join(''));
                    $(".load").remove();
                  } else {
                    $(".load").remove();
                    discount.append('<div class="no-data">没有更多数据。</div>');
                    $(window).unbind('scroll');
                  };
                  ajax_getting = false;
                }
              });
            };
            $(".load").remove();
          }, 200);
        });
        if (data.error_code == 156006) {
          $('.coupon').html('<div class="error"><h2>出错啦！</h2><p>原因：未登录</p></div>')
        };
        if (data.error_code == 156003) {
          $('.coupon').html('<div class="error"><h2>出错啦！</h2><p>原因：权限不足~请补充</p></div>')
        };
        if (data.error_code == 156007) {
          $('.coupon').html('<div class="error"><h2>出错啦！</h2><p>原因：服务异常</p></div>')
        };
        if (data.error_code == 511) {
          $('.coupon').html('<div class="error"><h2>出错啦！</h2><p>原因：账号未开通直达号</p></div>')
        };
        if (data.error_code == 520) {
          $('.coupon').html('<div class="stays"><span></span><p>暂无核销记录</p></div>')
        }

      },
      error: function (data) {

      }
  })
  $(window).bind("orientationchange", function() {
    $('.sliders').css('left',$(window).width() / 2 +'px');
  })
})

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