根据官方文档的描述, 只需要在uni-popup-dialog标签内写上自定义的内容即可替换原有的.
如
<uni-popup ref="createTypePopup" type="dialog">
<uni-popup-dialog ref="createTypeDialog" mode="input" title="输入内容" value="对话框预置提示内容!"
placeholder="请输入内容" @confirm="">
<view>
<view class="">
<uni-forms :modelValue="typeFormData">
<uni-forms-item label="名称" name="name">
<uni-easyinput type="text" v-model="typeFormData.name" placeholder="请输入名称"/>
</uni-forms-item>
<uni-forms-item label="类型" name="flag">
<uni-data-checkbox v-model="typeFormData.flag" :localdata="flag" />
</uni-forms-item>
</uni-forms>
</view>
</view>
</uni-popup-dialog>
</uni-popup>
效果图: