修改文档错误Fix classname reference mistake
在data里面就没有存储过rowId或者id,所以除了在选择标题行时,返回的congfig是唯一的,其余行config返回的rowId均为undefined,所以改为直接判断rowIndex从而赋值给congif.rowId即可
* fix ‘checkByClickRow’ option conflict with ‘selectable’ option, see http://forum.zui.sexy/thread/416.html.