我有两个下拉菜单，如果更改下拉菜单的值，它将影响到另一个下拉菜单

Question

我有两个下拉菜单，如果更改下拉菜单的值，它会影响到另一个下拉菜单（自动更改下拉菜单的值2）如何解决此问题。

  <!--5 pannel starts-->
                                        <div class="panel panel-default">
                                            <div class="panel-heading row">
                                                <div class="col-md-4 col-sm-4 col-xs-4">Country</div>
                                                <div class="col-md-4 col-sm-4 col-xs-4 ellipsis" id="ccountry"><?php
                                                    if (isset($s_country)) {
                                                        echo $s_country;
                                                    }
                                                    ?>
                                                </div>

                                                <a data-toggle="collapse" data-parent="#accordion" href="#collapse5"> 
                                                    <div class="profile-edit col-sm-4 col-xs-4 col-md-4 aj-textfive"> 
                                                        <?php if (empty($s_country[0]) || empty($s_country)): ?> 
                                                            Add 
                                                        <?php else: ?> 
                                                            <i class="fa fa-pencil"></i> Edit 
                                                        <?php endif; ?> 
                                                    </div> 
                                                </a> 

                                            </div>
                                            <div id="collapse5" class="panel-collapse collapse">
                                                <div class="panel-body">
                                                    <div class="row">
                                                        <div class="col-md-7 col-lg-offset-2 text-center">
                                                            <label class="col-md-4">Country</label> 
                                                            <div class="col-md-8">





                                                                <select name="country" id="country" class="form-control"  
                                                                       value="<?= (isset($s_country)) ? $s_country : null; ?>"><br> 
                                                                    <option value="india">india</option>
                                                                    <option value="aus">aus</option>

                                                                </select>



                                                                <input type="hidden" name="save_country" id="save_country" value="<?= (empty($s_country[0]) || empty($s_country)) ? 'Save' : 'Update'; ?>"> 
                                                                <?php if (empty($s_country[0]) || empty($s_country)): ?> 
                                                                    <button type="submit" class="btn btn-success aj-text-btnfive" data-target="#collapse5" data-toggle="collapse">Save</button> 
                                                                <?php else: ?> 
                                                                    <button type="submit" class="btn btn-success aj-text-btnfive" data-target="#collapse5" data-toggle="collapse">Update</button> 
                                                                <?php endif; ?> 
                                                                <button type="button" data-target="#collapse5" data-toggle="collapse" class="btn btn-warning cancel-name">Cancel</button> 
                                                            </div>
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                        <!--5 pannel ends-->

                                        <!--6 pannel starts-->
                                        <div class="panel panel-default">
                                            <div class="panel-heading row">
                                                <div class="col-md-4 col-sm-4 col-xs-4">State</div>
                                                <div class="col-md-4 col-sm-4 col-xs-4 ellipsis" id="cstate"><?php
                                                    if (isset($s_state)) {
                                                        echo $s_state;
                                                    }
                                                    ?>
                                                </div>
                                                <a data-toggle="collapse" data-parent="#accordion" href="#collapse6"> 
                                                    <div class="profile-edit col-sm-4 col-xs-4 col-md-4 aj-textsix"> 
                                                        <?php if (empty($s_state[0]) || empty($s_state)): ?> 
                                                            Add 
                                                        <?php else: ?> 
                                                            <i class="fa fa-pencil"></i> Edit 
                                                        <?php endif; ?> 
                                                    </div> 
                                                </a> 

                                            </div>
                                            <div id="collapse6" class="panel-collapse collapse">
                                                <div class="panel-body">
                                                    <div class="row">

                                                        <div class="col-md-7 col-lg-offset-2 text-center">
                                                            <label class="col-md-4">State</label> 
                                                            <div class="col-md-8">

                                                                 <select name="state" id="state" type ="text" class="form-control"  
                                                                       value="<?= (isset($s_state)) ? $s_state : null; ?>"><br> 
                                                                    <option value="indiaa">indiaa</option>
                                                                    <option value="aussss">aussss</option>

                                                                </select>



                                                                <input type="hidden" name="save_state" id="save_state" value="<?= (empty($s_state[0]) || empty($s_state)) ? 'Save' : 'Update'; ?>"> 
                                                                <?php if (empty($s_state[0]) || empty($s_state)): ?> 
                                                                    <button type="submit" class="btn btn-success aj-text-btnsix" data-target="#collapse6" data-toggle="collapse">Save</button> 
                                                                <?php else: ?> 
                                                                    <button type="submit" class="btn btn-success aj-text-btnsix" data-target="#collapse6" data-toggle="collapse">Update</button> 
                                                                <?php endif; ?> 
                                                                <button type="button" data-target="#collapse6" data-toggle="collapse" class="btn btn-warning cancel-name">Cancel</button> 
                                                            </div>
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                        <!--6 pannel ends-->

ajax电话

$(".aj-textfive").html(result.replace_textfive); $(".aj-text-btnfive").html(result.btn_textfive); $("#save_country").val(result.save_country); $('#ccountry').text($("#country").val());

 $(".aj-textsix").html(result.replace_textsix);
 $(".aj-text-btnsix").html(result.btn_textsix);

 $("#save_state").val(result.save_state);
 $('#cstate').text($("#state").val());

Answer 1

只需替换以下代码

<select name="state" id="state" type ="text" class="form-control"  
            value="<?= (isset($s_state)) ? $s_state : null; ?>"><br> 
        <option value="<?php echo $s_state; ?>">--select--</option>
        <option value="indiaa">indiaa</option>
        <option value="aussss">aussss</option>
    </select>