JQuery datePicker 日期重置 [英] JQuery datePicker date reset

问题描述

我想在日历底部的日期选择器中添加一个重置"控件——关闭"控件所在的位置.这将使用户能够将绑定到 datepicker 的输入重置为空白(无日期).

I would like to add a "Reset" control to the datepicker at the bottom of the calendar - where the "close" control goes. This would enable the user to reset the input tied to datepicker to blank (no date).

我不知道如何编写绑定函数，具体来说，如何获取绑定到控件的元素?

I can't figure out how to write the bind function, specifically, how do I get a hold of the element bound to the control?

        if (this.displayClear) {
           $pop.append(
              $('<a href="#" id="dp-clear">' + $.dpText.TEXT_CLEAR + '</a>')
                 .bind(
                    'click',
                    function()
                    {
                          c.clearSelected();
                          //help! reset the value to '': $(this.something).val('')
                          c._closeCalendar();
                    }
                 )
           );
        }

推荐答案

这是可行的解决方案，只需在调用 datepicker 之前调用 cleanDatepicker() 即可.

Here is working solution, just call cleanDatepicker() before any call to datepicker.

function cleanDatepicker() {
   var old_fn = $.datepicker._updateDatepicker;

   $.datepicker._updateDatepicker = function(inst) {
      old_fn.call(this, inst);

      var buttonPane = $(this).datepicker("widget").find(".ui-datepicker-buttonpane");

      $("<button type='button' class='ui-datepicker-clean ui-state-default ui-priority-primary ui-corner-all'>Delete</button>").appendTo(buttonPane).click(function(ev) {
          $.datepicker._clearDate(inst.input);
      }) ;
   }
}

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