设置背景图
background:url($!{rc.contextPath}/assets/images/bady/date.png)repeat 50px center
background:url($!{rc.contextPath}/assets/images/bady/date.png)no-repeat 50px center
background:url($!{rc.contextPath}/assets/images/bady/date.png)repeat 50px center
background:url($!{rc.contextPath}/assets/images/bady/date.png)no-repeat 50px center