index.js

import React, {Component} from 'react'
import './index.scss';
import {withRouter} from 'react-router-dom'
import {browser,getParam} from "@/utils";

class HeaderBar extends Component {
    constructor(props) {
        super(props);
    }

    goBack = () => {
        const {state} = this.props.location
        if(browser.isWeixin && getParam('code') && getParam('state')){
            window.history.go(-2)
        }
        if(state.records && state.records.length > 1){
            window.history.go(-1);
        }else if(state.from && state.from.pathname) {
            location.replace(`${state.from.pathname}${state.from.search}`)
        }else{
            window.location.href = window.location.origin
        }
    }

    toLink = () => {
        const { toHref } = this.props;
        // console.log(toHref);
        location.replace(toHref)
    }

    goShop = () => {
        this.props.history.push('/shopcart')
    }

    render() {
        const { toHref, home } = this.props;
        return (
            <div className="detail-header" style={{...this.props.style}}>
                {
                    !toHref && this.props.arrow &&
                    <i className='iconfont iconiconfront-68' onClick={this.goBack}></i>
                }
                {
                    toHref && typeof toHref === 'function' &&
                    <i className='iconfont iconiconfront-68' onClick={toHref}></i>
                }
                {
                    toHref && typeof toHref === 'string' &&
                    <i className='iconfont iconiconfront-68' onClick={this.toLink}></i>
                }
                <span className='herder'>{this.props.title}</span>
                {
                    this.props.cart &&
                    <i className='iconfont icongouwuche-xianxing' onClick={this.goShop}></i>
                }
                {
                    this.props.delete &&
                    <i className='iconfont iconiconfront-56' onClick={this.props.toDelete}></i>
                }
                {
                    home && 
                    <i className="iconfont iconshouye-xianxing"></i>
                }
            </div>
        );
    }
};

export default  withRouter(HeaderBar);