警告 ： Can‘t perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in the componentWillUnmount method. 解决方式 componentWillUnmount = () => {this.setState = (state,callback)=>{return;}; }原文：https://www.cnblogs.com/ruoxiangli/p/11208425.html
警告 ： Cant perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in the componentWillUnmount method. 解决方式 componentWillUnmount = () => {this.setState = (state,callback)=>{return;}; }