js动态增加当前一周时间

     

              <script src="js/jquery-1.7.2.min.js" type ="text/javascript"></ script>

                  <script type="text/javascript">

                      window.onload = function() {

                          var now = new Date();

                          var yr = now.getFullYear();

                          var month = ((now.getMonth() < 9) ? "0" : "") + (now.getMonth() + 1);

                          var day = now.getDay();

                          var date = now.getDate();

                          var aryDay = new Array("日 ", " 一", "二" , "三 ", " 四", "五" , "六 ");

                          var liClass = "week" ;

                          try {

                              var url = window.location.href //获取当前 URL

                              var param = url.split("?" )[1].split("=")[1];

                              var hidDate = param;

                              $( "#txt_Date").val(hidDate);

                          }

                          catch (e) {

                          }

                          finally {

                              var param1 = $("#txt_Date" ).val();

                              var dateNow = now.getDate();

                              var date1 = yr + "-" + month + "-" + ((dateNow < 10) ? "0" : "" ) + dateNow;

                              if (param1 == "" ) {

                                  $( "#txt_Date").val(date1);

                              }

                          }

                          var compareDate;

                          for (var i = 0; i <= 6; i++) {

                              if (i <= day) {

                                  compareDate = yr + "-" + month + "-" + (((date - (day - i)) < 10) ? "0" : "") + (date - (day - i));

                                  if (compareDate == $("#txt_Date" ).val()) {

                                      liClass = "choosetoday" ;

                                  }

                                  $( "#ulID").append("<a href='FinCalendar.asp?date=" + yr + "-" + month + "-" + (((date - (day - i)) < 10) ? "0" : "" ) + (date - (day - i)) + "'><li class='" + liClass + "'><p> 星期" + aryDay[i] + "</p><p>(" + month + "/" + (date - (day - i)) + ")</p></li></a>" );

                                  liClass = "week";

                              }

                              else {

                                  compareDate = yr + "-" + month + "-" + (((date + (i - day)) < 10) ? "0" : "") + (date + (i - day));

                                  if (compareDate == $("#txt_Date" ).val()) {

                                      liClass = "choosetoday" ;

                                  }

                                  $( "#ulID").append("<a href='FinCalendar.asp?date=" + yr + "-" + month + "-" + (((date + (i - day)) < 10) ? "0" : "" ) + (date + (i - day)) + "'><li class='" + liClass + "'><p> 星期" + aryDay[i] + "</p><p>(" + month + "/" + (date + (i - day)) + ")</p></li></a>" );

                                  liClass = "week";

                              }

                          }

                      }

     function jump() {

        var date = document.getElementById("txt_Date").value;

        if (date == "" ) {

            var now = new Date();

            var yr = now.getFullYear();

            var month = ((now.getMonth() < 9) ? "0" : "") + (now.getMonth() + 1);

            var dateNow = now.getDate();

            date = yr + "-" + month + "-" + ((dateNow < 10) ? "0" : "") + dateNow;

        }

        location.href = "FinCalendar.asp?date=" + date;

    }

                  </script>

                      <ul id="ulID">

                      </ul>