code: function () {
              var me = this, range = me.selection.getRange();
              if (me.container.style.display == 'none') {
                  //有可能内容丢失了
                  try {
                      range.moveToBookmark(me.lastBk);
                      delete me.lastBk
                  } catch (e) {
                      range.setStartAtFirst(me.body).collapse(true)
                  }
                  //ie下focus实效，所以做了个延迟
                  setTimeout(function () {
                      range.select(true);
                  }, 100);
                  me.container.style.display = '';
              }
  
          }
docs: 显示编辑器
  @method setShow
  @example
  ```javascript
  editor.setShow()
  ```