jquery自定义表单控件包括（文本框、单选、多选、下拉列表、文件选择等）简单大方实用。-jquery custom form controls include (text boxes, radio, checkbox, drop-down list, select the file, etc.) simple and elegant and practical.

jquery 封装的radio checkbox 控件，可实现单选和多选(JQuery radio package checkbox control, can realize radio and multi selection)