es6 解构赋值取别名

当解构时，发现变量重名了，可设置别名区分

   const {
  
      product: {
        data: { list: productList = [] },
      },
      bulletin: {
        data: { list: bulletinList = [] },
      },
      article: {
        data: { list: articleList = [] },
      }
    } = this.props;