摘要: this.setState((prevState) => { console.log("entry") let selected = this.state.selected selected.push(id) return { selected } }) 会触发控制台打印两次entry 因为js对象 阅读全文
posted @ 2020-05-11 23:59 rxh1999 阅读(1097) 评论(0) 推荐(0)