试试这个：点击函数不在那里并声明数组作为全局

Try this :Click function not there and declare the array as a global

var array_id = [];
$('.clickme').click(function(){
   var get_eupdid= $(this).closest('div').find('input').val();
   array_id.push(get_eupdid);
   console.log( "array_id: " + array_id);
  })
   
   

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div>
    <input type="hidden" name="myvalue" class="form-control input_text" value="aaa"/>
    <input type="button" class="clickme" value="Get Value" />
</div>

<div>
    <input type="hidden" name="myvalue" class="form-control input_text" value="bbb"/>
    <input type="button" class="clickme" value="Get Value" />
</div>

<div>
    <input type="hidden" name="myvalue" class="form-control input_text" value="ccc"/>
    <input type="button" class="clickme" value="Get Value" />
</div>

<div>
    <input type="hidden" name="myvalue" class="form-control input_text" value="ddd"/>
    <input type="button" class="clickme" value="Get Value" />
</div>

<div>
    <input type="hidden" name="myvalue" class="form-control input_text" value="eee"/>
    <input type="button" class="clickme" value="Get Value" />
</div>