import React from "react";
export default class Hello extends React.Component {
  // 这里的state就是状态
  state = {
    list: [{ id: 1, name: "明天会更好" },{ id: 2, name: "难忘今宵" }],
    isLoading: true
  };
}
 
  render() {
//如果当state里的数据种类较多时可以使用解构赋值
// 例如：const { tabs, active, list, content } = this.state
    return (
      <>
        
歌单-{this.state.count}
        

          {this.state.list.map((item) => (
            
{item.name}
          ))}
        
        
{this.state.isLoading ? "正在加载" : "加载完成"}
      
    );
  }