一、初始化阶段
1、设置组件的默认属性
static defaultProps = { name: 'sls', age:23 }; //or Counter.defaltProps={name:'sls'} static defaultProps = { name: '一、初始化阶段
1、设置组件的默认属性
static defaultProps = { name: 'sls', age:23 }; //or Counter.defaltProps={name:'sls'} static defaultProps = { name: '