docs: function initGridCompColumn() {
      var oThis = this;
      this.initGridCompColumnVar();
      if (this.options.columns) {
          $.each(this.options.columns, function (i) {
              oThis.initGridCompColumnFun(this);
          });
      }
      this.initGridCompColumnLoacl();
      this.initGridHiddenLevelColumn();
      this.initGridCompFixedColumn();
      this.columnsVisibleFun();
  }