设置input组件的ajust-positon属性后，当键盘弹起后，页面高度为变化

- 预期表现

当键盘弹起后，页面高度变小

- 复现路径

- 提供一个最简复现 Demo

组件代码：

/**

 * @description 设置密码

 * @author kygeng

 * date: 2018-03-24

 */

Component({})

{

"component": true

}

<view class="abc-set-passwd-wrap">

<view class="header">

<text>设置密码</text>

</view>

<view class="content">

<view class="row">

<view class="input">

<input type="number" placeholder="密码" ajust-position password />

</view>

</view>

<view class="row">

<view class="input">

<input type="number" placeholder="再次输入密码" ajust-position password />

</view>

</view>

</view>

<view class="footer">

<view class="btn-pre" bindtap="onPre">

上一步

</view>

<view class="btn-next" bindtap="onNext">

下一步

</view>

</view>

</view>

.abc-set-passwd-wrap {

position: relative;

width: 100%;

height: 100%;

}

.abc-set-passwd-wrap .header {

padding: 64rpx 44rpx 40rpx 44rpx;

width: 100%;

font-size: 48rpx;

color: #8590a6;

}

.abc-set-passwd-wrap .content {

padding: 0 44rpx;

width: 100%;

}

.abc-set-passwd-wrap .content .row {

display: flex;

align-items: center;

margin-bottom: 32rpx;

width: 100%;

height: 96rpx;

font-size: 28rpx;

border-bottom: 2rpx solid #e6e8ef;

}

.abc-set-passwd-wrap .content .row.active {

border-color: #007abb;

}

.abc-set-passwd-wrap .content .row .input {

flex: 1;

}

.abc-set-passwd-wrap .content .row .input input {

padding: 0;

}

.abc-set-passwd-wrap .footer {

position: absolute;

left: 0;

bottom: 0;

padding: 0 44rpx;

width: 100%;

height: 88rpx;

display: flex;

justify-content: space-between;

align-items: center;

border-top: 2rpx s