超级简单的全选

<!-- 全选 -->
<input type="checkbox" data-listen="selectAll"  style="width: 20px; height: 20px;margin: 0 auto; display: block">

selectAll: function (s) {
  $("#feed_list_rev :checkbox").prop('checked', s.prop('checked'));
},

<!-- 获取复选框值 -->
<button type="button" id="np-s" data-listen="addRecommend" class="am-btn am-btn-xs am-btn-warning am-round ">推荐到首页</button>

addRecommend: function (s) {
    var chk_value = [];
    $('input[name="chek"]:checked').each(function () {
          chk_value.push($(this).val());
    });

    if (typeof chk_value == 'object' && chk_value.length > 0) {
          $.post('/cp/feeds/recommend', {rec: chk_value}, function (msg) {
             layer.open({
                  content: 'SUCCESS'
             });
          });
    } else {
         layer.open({content: '请勾选要添加的内容！'});return false;
    }
 }