WML文件: view class=' ta B- title ' data-current='8' bind tap=' swich nav ' imageclass=' img-tab ' src=' ./imav 8swichnav:function(e ) { var that=this; //var current=e.target.dataset.current; //一般来说,此var current=e.current target.dataset.current; //因为我这里正在循环,所以把target转换为currenttargetif (that.data.current tab==current ) { return false; } else { that.setdata } { current tab : current } },