网上都说是keep-alive,但项目里没用keep-alive

原因:vue增加了新的生命周期

  • beforeCreate -> setup()
  • created -> setup()
  • beforeMount -> beforeMount
  • mounted -> mounted
  • beforeUpdate -> beforeUpdate
  • updated -> updated
  • beforeDestroy -> beforeUnmount
  • destroyed -> unmounted
  • errorCaptured -> errorCaptured

解决方法:beforeDestroy 换成beforeUnmount即可

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