js 将字符串转换为Date类型，并与当前时间比较
function checkForm(){ var reserveTm = document.getElementById("reserveTm").value; var myDate= new Date(Date.parse(reserveTm.replace(/-/g, "/")));var now = new Date();if(myDate.getFullYear() < now.getFullYear()){document.getElementById("point").innerHTML = "预约日期必须大于当前日期，请重新选择！";return false;}if(myDate.getMonth() < now.getMonth()){document.getElementById("point").innerHTML = "预约日期必须大于当前日期，请重新选择！";return false;}if(myDate.getMonth() < now.getMonth()){document.getElementById("point").innerHTML = "预约日期必须大于当前日期，请重新选择！";return false;}else{if(myDate.getMonth() == now.getMonth() && myDate.getDate() < now.getDate()){document.getElementById("point").innerHTML = "预约日期必须大于当前日期，请重新选择！";return false;}return true;}}将字符串形式的日期转换成日期对象
var strTime="2011-04-16"; //字符串日期格式 var date= new Date(Date.parse(strTime.replace(/-/g, "/"))); //转换成Data();var month=date.getMonth()+1; //获取当前月份------------------------------------------------------------------------------------------------------date.getYear(); //获取当前年份(2位)date.getFullYear(); //获取完整的年份(4位,1970-????)date.getMonth(); //获取当前月份(0-11,0代表1月)date.getDate(); //获取当前日(1-31)date.getDay(); //获取当前星期X(0-6,0代表星期天)date.getTime(); //获取当前时间(从1970.1.1开始的毫秒数)date.getHours(); //获取当前小时数(0-23)date.getMinutes(); //获取当前分钟数(0-59)date.getSeconds(); //获取当前秒数(0-59)date.getMilliseconds(); //获取当前毫秒数(0-999)date.toLocaleDateString(); //获取当前日期var mytime=date.toLocaleTimeString(); //获取当前时间date.toLocaleString( ); //获取日期与时间
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