div绑定onclick不出发,可嵌套a标签，或加上style，
cursor: pointer;
appearance:button;
-moz-appearance:button; /* Firefox */
-webkit-appearance:button; /* Safari and Chrome */
new date(time)，time格式“yyyy-MM-dd hh:mm:ss”，ios不能解析-，要把-替换成/，new date(time.replace(/-/g,'/'))
