javascript笔记——date以及datetime的比较

<script src="$!webPath/resources/js/laydate/laydate.js"></script>
<script src="$!webPath/resources/js/ajaxfileupload.js"></script>
<script src="$!webPath/resources/js/jquery.zh.cn.js" charset="utf-8"></script>
<script>
jQuery(document).ready(function(){
        
  jQuery.validator.methods.amount = function(e) {
          var coupon_order_amount=jQuery("#coupon_order_amount").val();
          var coupon_amount=jQuery("#coupon_amount").val();
          if(parseInt(coupon_order_amount) > parseInt(coupon_amount)){
                  return true;
                  }else{
                          return false;
                  }   
 };
 
  jQuery("#theForm").validate({                                                   
    rules:{
       coupon_description:{required:true},
           coupon_name:{required:true}, 
           coupon_begin_time:{required:true},
           coupon_end_time:{required:true,endTime:"#coupon_begin_time"},
           coupon_count:{digits:true},
           coupon_amount:{required:true},
           coupon_img:{accept:"图片格式只能为$!config.imageSuffix"},
           coupon_order_amount:{required:true,digits:true}
         },
    messages:{
      coupon_description:{required:"优惠券信息描述不能为空"},
          coupon_name:{required:"优惠券名称不能为空"},           
          coupon_begin_time:{required:"开始时间不能为空"},
          coupon_end_time:{required:"结束时间不能为空",endTime:"结束日期必须大于开始日期"},
          coupon_count:{digits:"优惠券只能为整数"},
          coupon_amount:{required:"优惠券金额不能为空"},
          coupon_img:{accept:"图片格式只能为$!config.imageSuffix"},
          coupon_order_amount:{required:"可使用订单金额不能为空",digits:"可使用订单金额只能为整数",min:"可使用订单金额必须大于优惠券金额",amount:"可使用订单金额必须大于优惠券金额"}
        },
        submitHandler:function(){
                var params = jQuery("#theForm").serializeArray();
                var formData= {};
                jQuery.each(params, function(i, param){
                         formData[param.name] = param.value;
                });
                jQuery(".seller_save").attr("disabled","disabled");
                jQuery.ajaxFileUpload({
                          url:'$!webPath/seller/coupon_save.htm',
                          dataType:'json',
                          fileElementId:['coupon_img'],
                          data:formData,
                          success:function(data){               
                                        var lin = ""+data.url;  
                                        if(data.ret==true){
                                                showDialog("msg_info","",data.op_title,0,"succeed",3,function(arg){window.location.href=arg},lin,function(){                                                    
                                                                window.location.href = "$!webPath/seller/coupon.htm";
                                                });
                                        }
                                        jQuery(".seller_save").removeAttr("disabled");
                         }
                });             
        }
  });

var isIE = ((navigator.userAgent.indexOf("compatible") > -1 && navigator.userAgent.indexOf("MSIE") > -1 && !isOpera)||navigator.userAgent.indexOf("Trident") > -1)?true:false;

jQuery.validator.methods.endTime = function(value, element, param) { debugger; var startDate = jQuery("#coupon_begin_time").val(); var date1=new Date(Date.parse(startDate)); var date2=new Date(Date.parse(value)); if(isIE){ date1 = new Date(Date.parse(startDate.replace("-", "/"))); date2 = new Date(Date.parse(value.replace("-", "/"))); } return date1 <= date2; };
});

具体间隔天数的比较

var isIE = ((navigator.userAgent.indexOf("compatible") > -1 && navigator.userAgent.indexOf("MSIE") > -1 && !isOpera)||navigator.userAgent.indexOf("Trident") > -1)?true:false;
                function timeRule(cur){
                if(parseInt(cur)<10){
                    cur = "0"+cur;                  
                }
                return cur             
            }
            function curDate(){
                var date = new Date(),
                  year = date.getFullYear(), 
                  mouth = date.getMonth()+1, 
                  datec = date.getDate(), 
                  hour = date.getHours(), 
                  minite = date.getMinutes(), 
                  seconds = date.getSeconds(), 
                  millsieconds = date.getMilliseconds(); 
                
                  mouth = timeRule(mouth);
                  datec = timeRule(datec);
                  hour = timeRule(hour);
                  minite = timeRule(minite);
                  seconds = timeRule(seconds);
                  
                  return (year+'-'+mouth+"-"+datec+" "+hour+":"+minite+":"+seconds)
            } 
            
        jQuery.each(jQuery('.coupon-card.active'),function(i,item){                
                  var startTime = curDate(),
                      endTime = jQuery(item).find('.s-end-time').text(),
                      date1 = new Date(Date.parse(startTime)),
              date2 = new Date(Date.parse(endTime));          
                  if(isIE){          
                     date1 = new Date(Date.parse(startTime.replace("-", "/")));
                     date2 = new Date(Date.parse(endTime.replace("-", "/")));
                  }                  
                  if(((date2-date1)/(1000*60*60*24))<3){
                        jQuery(item).removeClass('active').addClass('must-use');
                  };            
        })