{
    "navigationBarTitleText": "购物车",
    "usingComponents": {
      "van-card": "@vant/weapp/card/index",
      "van-stepper": "@vant/weapp/stepper/index",
      "van-submit-bar": "@vant/weapp/submit-bar/index",
      "van-checkbox": "@vant/weapp/checkbox/index",
      "van-checkbox-group": "@vant/weapp/checkbox-group/index"
    }
  }