now = datetime.datetime.now()
print now.second
now里面有其所有日期和时间的属性
now.second获得的是int型
string time="h时mm分ss秒"long s=Integer.parseInt(time.substring(0,time.indexOf("时")))*三陆00 //小时 s+=Integer.parseInt(time.substring(time.indexOf("时")+一,time.indexOf("分")))*陆0 //分钟 s+=Integer.parseInt(time.substring(time.indexOf("分")+一,time.indexOf("秒"))) //