code: function(options) {
          this.$main.addClass([defaultClass, options.customClass, prefix + options.theme].join(' '));
  
          this.$tabs = this.$main.children('ul').children('li');
          this.$contents = this.$main.children('div').children('div').hide();
  
          var self = this;
          if (options.action === 'hover') {
              options.action = 'mouseover';
          }
          this.$tabs.on(options.action + '.bizTab', function(e) {
              if (!$(this).hasClass('active')) {
                  var index;
                  self.$tabs.each(function(i, tab) {
                      if (tab === e.target) {
                          index = i;
                          return false;
                      }
                  });
  
                  self.index(index);
              }
          });
  
          this.index(options.selectedIndex, false);
      }
docs: 初始化
  @param {Object} options 参数
  @private