修改源码实现小程序UI库iview weapp的modal组件自定义宽高

Component({
    externalClasses: ['i-class', 'i-class-mask'],

    properties: {
        ...
        height: {
            type: String,
            value: ''
        },
        width: {
            type: String,
            value: ''
        }
    },

...
<view class="i-modal-main" style="width:{{width}}px;">
...
<view class="i-modal-body" style="height:{{height}}px;max-height:{{height}}px"><slot></slot></view>
...

export default {
  data() {
    return {
      ...,
      height: 150,
      width: 310,
    }
  },
  ...
}

<i-modal
    title="新增银行卡"
    i-class="iot-modal"
    :visible="visible"
    :actions="actions"
    @iclick="handleAddCard"
    :height="height"
    :width="width"
  >