//设置怀孕多久
template.helper('setusedTime',function(o){
	var now = new Date()
	var nowTime = now.getFullYear()+'-'+(now.getMonth()+1)+'-'+now.getDate()+' 00:00:00'
	var oldTime = o.split(' ')[0]+' 00:00:00'
	var diff = (new Date(nowTime.replace(/\-/g,'/')).getTime() - new Date(oldTime.replace(/\-/g,'/')).getTime())/24/3600/1000
	var week = parseInt(diff/7)
	var day = diff%7
	if(week == 0 && day == 0){
		return day+'天'
	}else{
		if(week == 0){
			return day+'天'
		}else if(day == 0){
			return week+'周'
		}else{
			return week+'周'+day+'天'
		}
	}
})
//设置预产期
template.helper('setExpectedTime',function(o){
	var now = new Date()
	var nowTime = now.getFullYear()+'-'+(now.getMonth()+1)+'-'+now.getDate()+' 00:00:00'
	var oldTime = o.split(' ')[0]+' 00:00:00'
	var diff = (new Date(oldTime.replace(/\-/g,'/')).getTime() - new Date(nowTime.replace(/\-/g,'/')).getTime())/24/3600/1000
	if(diff>0){
		var week = parseInt(diff/7)
		var day = diff%7
		if(week == 0){
			return '距离预产期还有<span>'+day+'</span> 天'
		}else if(day == 0){
			return '距离预产期还有 <span>'+week+'</span> 周'
		}else{
			return '距离预产期还有 <span>'+week+'</span> 周 <span>'+day+'</span> 天'
		}
	}else{
		if(diff == 0){
			return '已达到预产期'
		}else{
			var diff2 = Math.abs(diff)
			var week = parseInt(diff2/7)
			var day = diff2%7
			if(week == 0){
				return '已超出预产期<span class="red">'+day+'</span> 天'
			}else if(day == 0){
				return '已超出预产期 <span class="red">'+week+'</span> 周'
			}else{
				return '已超出预产期 <span class="red">'+week+'</span> 周 <span class="red">'+day+'</span> 天'
			}
		}
	}	
})
//取前一部分时间
template.helper('setTime',function(o){
	return o.split(' ')[0]
})