HeaderClass.tsx

//类组件
import * as React from "react";
// import { Component } from "react";
import logo from "../../assets/logo.svg";
import styles from "./Header.module.css";
import { withTranslation, WithTranslation } from "react-i18next";
import { connect } from "react-redux";
import { Dispatch } from "redux";
import {
  changeLanguageActionCreator,
  addLanguageActionCreator,
} from "../../redux/language/languageActions";
import {
  Layout,
  Typography,
  Input,
  Menu,
  Button,
  Dropdown,
  // MenuItemProps,
} from "antd";
import { GlobalOutlined } from "@ant-design/icons";
import { withRouter, RouteComponentProps } from "react-router-dom";
import  { RootState } from "../../redux/store";

const mapStateToProps = (state: RootState) => {
  return {
    language: state.language.language,
    languageList: state.language.languageList,
  };
};
const mapDispatchToProps =(dispatch:Dispatch) =>{
  return{
    changeLanguage:(code:'en'|'zh')=>{
      const action =changeLanguageActionCreator(code)
      dispatch(action)
    },
  
    addLanguage:(name:string,code:string)=>{
      const action = addLanguageActionCreator(name,code)
      dispatch(action)
    }
  }
}
class HeaderComponent extends React.Component<
  RouteComponentProps & WithTranslation & ReturnType<typeof mapStateToProps>&ReturnType<typeof mapDispatchToProps>
> {

  changeLanguage = (e) => {
    if (e.key === "new") {
      this.props.addLanguage("新语言", "新语言");
    
    } else {
      this.props.changeLanguage(e.key);
    
    }
  };
 
  render() {
    const { t } = this.props;
    console.log(this.props);
    const { history } = this.props;
    return (
      <>
        <div className={styles["app-header"]}>
          {/* top-header */}
          <div className={styles["top-header"]}>
            <div className={styles["inner"]}>
              <Typography.Text>{t("header.slogan")}</Typography.Text>
              <Dropdown.Button
                style={{ marginLeft: 15 }}
                overlay={
                  <Menu onClick={this.changeLanguage}>
                    {this.props.languageList.map((item, index) => (
                      <Menu.Item key={item.code}>{item.name}</Menu.Item>
                    ))}
                    <Menu.Item key={"new"}>{t("header.slogan")}</Menu.Item>
                  </Menu>
                }
                icon={<GlobalOutlined />}
              >
                {this.props.language === "zh" ? "中文" : "English"}
              </Dropdown.Button>
              <Button.Group className={styles["button-group"]}>
                <Button onClick={() => history.push("/register")}>
                  {t("header.register")}
                </Button>
                <Button onClick={() => history.push("/signin")}>登陆</Button>
              </Button.Group>
            </div>
          </div>
          <Layout.Header className={styles["main-header"]}>
            <span>
              <img src={logo} alt="logo" className={styles["App-logo"]} />
              <Typography.Title level={3} className={styles.title}>
                {t("header.title")}
              </Typography.Title>
            </span>

            <Input.Search
              placeholder={"请输入旅游目的地、主题、或关键字"}
              className={styles["search-input"]}
            />
          </Layout.Header>
          <Menu mode={"horizontal"} className={styles["main-menu"]}>
            <Menu.Item key={1}>旅游首页</Menu.Item>
            <Menu.Item key={2}>周末游</Menu.Item>
            <Menu.Item key={3}>跟团游</Menu.Item>
            <Menu.Item key="4"> 自由行 </Menu.Item>
            <Menu.Item key="5"> 私家团 </Menu.Item>
            <Menu.Item key="6"> 邮轮 </Menu.Item>
            <Menu.Item key="7"> 酒店+景点 </Menu.Item>
            <Menu.Item key="8"> 当地玩乐 </Menu.Item>
            <Menu.Item key="9"> 主题游 </Menu.Item>
            <Menu.Item key="10"> 定制游 </Menu.Item>
            <Menu.Item key="11"> 游学 </Menu.Item>
            <Menu.Item key="12"> 签证 </Menu.Item>
            <Menu.Item key="13"> 企业游 </Menu.Item>
            <Menu.Item key="14"> 高端游 </Menu.Item>
            <Menu.Item key="15"> 爱玩户外 </Menu.Item>
            <Menu.Item key="16"> 保险 </Menu.Item>
          </Menu>
        </div>
      </>
    );
  }
}
export const Header = connect(mapStateToProps,mapDispatchToProps)(
  withTranslation()(withRouter(HeaderComponent))
);
//6.4日在函数组建里面用connect
//重学redux封装部分