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摘要： //自动调整 export default class test1 extends Component{ constructor(props) { super(props); this.handleChange = this.handleChange.bind(this) this.state={ items:[], text:'' }... 阅读全文

摘要： export default class TimerTest extends Component{ constructor(props) { super(props); this.state = { seconds:0 }; } tick(){ this.setState(preState =>({ seconds:preSt... 阅读全文