antd timePicker组件限制当前之前的时间不可选择

import React from 'react';
import ReactDOM from 'react-dom';
import {Input,DatePicker,Form,Col,Button,Select} from 'antd';
import 'antd/dist/antd.css';
import locale from 'antd/lib/date-picker/locale/zh_CN';
import 'moment/locale/zh-cn';
import moment from 'moment';
import ChildrenCom from './children-com.js';
moment.locale('zh-cn');
const { RangePicker,TimePicker  } = DatePicker;
const { Option } = Select;

class FormItem extends React.Component{
	constructor(props){
		super(props);
		this.state={
			count:1,
			time:'',
			startTime:new Date(+new Date() +8*3600*1000).toISOString().split("T")[1].split(".")[0]//获取当前时间
		};
		 this.myRef = React.createRef();
		
	}
	
	timeChange = (time,timeString)=>{
		this.setState({
			time:timeString
		})
	};
　　　　　　//限制小时显示
	disabledHours = ()=>{
		let hours=[];
		let time = this.state.startTime;
		// let time=new Date(+new Date() +8*3600*1000).toISOString().split("T")[1].split(".")[0];
		// this.setState({startTime:time},()=>{console.log("11")});
		let timeArr = time.split(":");
		for(var i=0;i<parseInt(timeArr[0]);i++){
			hours.push(i)
		}
		return hours;
	};
　　　　//限制分钟
	disabledMinutes = (selectedHour)=>{
		let {startTime} = this.state;
		let timeArr  =startTime.split(":");
		let minutes =[];
		if(selectedHour == parseInt(timeArr[0])){
			for(let i=0;i<parseInt(timeArr[1]);i++){
				minutes.push(i);
			}
		}
		return minutes;
	};
//限制秒
	disabledSeconds = (selectedHour,selectedMinute)=>{
		let {startTime} = this.state;
		let timeArr = startTime.split(':');
		let second = [];
		if (selectedHour == parseInt(timeArr[0]) && selectedMinute == parseInt(timeArr[1])) {
			for(var i = 0; i <= parseInt(timeArr[2]); i++) {
				second.push(i)
			}
		}
		return second;
	};
	
	render(){
		return(
			<div>
				<TimePicker  
					disabledHours = {this.disabledHours}
					disabledMinutes = {this.disabledMinutes}
					disabledSeconds = {this.disabledSeconds}
					value={
						this.state.time ? moment(this.state.time,"HH:mm:ss"):moment()
					}
					onchange={this.timeChange}
					format="HH:mm:ss"
				/>
					
			</div>
		)
	}
}
export default FormItem;

　　

实现效果图如下