MD_YOSwechat/components/My_card/index.js

// components/My_card/index.js
Component({
    //暴露外部样式表 [根节点,]
    externalClasses: ["custom-class"],
    options: {
        addGlobalClass: true,
        multipleSlots: true
    },
    /**
     * 组件的属性列表
     */
    properties: {
        title: {
            type: String,
            value: ""
        },
        hover: {
            type: Boolean,
            value: false
        }
    },
})