ext时间控件(精确到分/秒)IP控件(修正)

用法如下：1.将文件夹放至ext目录下2.代码中引用控件代码如下：{xtype:'uxipfield',id:'sbt',fieldLabel:'sbt',width:200},{xtype:'combotimefield',id:'nmd',name:'test.nmd',fieldLabel:'nmd',width:200},{xtype:'stimefield',