ajax加入遮罩

						beforeSend: function () {
    						$.messager.progress({ 
     						 title: '提示', 
      					 	msg: '系統處理中，請稍候……', 
      						 text: '' 
   							 });
    								},
					 complete: function () {
       					  $.messager.progress('close');
    					},

全文

$.ajax({
						type : "post",
						url : ctx + "/itemUnqualified/saveRejCheck",
						data : $('#supplierModifyForm').serialize(),
						async : false,
						beforeSend: function () {
    						$.messager.progress({ 
     						 title: '提示', 
      					 	msg: '系統處理中，請稍候……', 
      						 text: '' 
   							 });
    								},
					 complete: function () {
       					  $.messager.progress('close');
    					},
						success : function(data) {
								if(saveOrSubmit == "0"){
									alert("保存成功!");
									var billNo = data.billNo;
									window.location.href="<%=request.getContextPath()%>/itemUnqualified/toEdit?billNo="+billNo;
								}else{
									alert("提交成功!");
									var billNo = data.billNo;
										window.location.href="<%=request.getContextPath()%>/itemUnqualified/toView?billNo="+billNo;
								}
								
							}
					});