vue路由切换时内容组件的滚动条回到顶部

vue路由切换时内容组件的滚动条回到顶部：https://blog.csdn.net/Macao7_W/article/details/125517519?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522170252373016800185826420%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=170252373016800185826420&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~rank_v31_ecpm-5-125517519-null-null.142^v96^pc_search_result_base1&utm_term=%E5%AD%90%E7%BB%84%E4%BB%B6%20%E5%88%87%E6%8D%A2%E4%B8%8D%E4%BC%9A%E5%88%B0%E9%A1%B6%E9%83%A8&spm=1018.2226.3001.4187