多人博客项目构建过程(五)

前端开发

导航菜单

参考：https://ant.design/components/menu-cn/ 

参考：https://ant.design/components/layout-cn/ 

import React from 'react';
import ReactDom from 'react-dom';
import { BrowserRouter as Router, Route, Link } from "react-router-dom";
import Login from './component/login';
import Reg from './component/reg';

import {Layout,Menu,Icon} from 'antd';
// import Pub from './component/pub';

import 'antd/lib/layout/style';
import 'antd/lib/menu/style';
import 'antd/lib/icon/style';

const { Header,Content,Footer} = Layout;//上中下布局

const Home = () => (
  <div>
    <h2>Home</h2>
  </div>
);

const About = () => (
  <div>
    <h2>About</h2>
  </div>
);


class Root extends React.Component{
  render (){
  return (
    <Router>
      <Layout>
        <Header>
            <Menu mode="horizontal" theme="dark">
              <Menu.Item key="home">  <Link to="/"><Icon type="home" />主页</Link> </Menu.Item>
              <Menu.Item key="login"> <Link to="/login"><Icon type="login" />登录</Link> </Menu.Item>
              <Menu.Item key="reg">     <Link to="/reg">注册</Link> </Menu.Item>
              <Menu.Item key="about">   <Link to="/about">关于</Link> </Menu.Item>
            </ Menu>
        </Header>
        <Content style={{ padding: '8px 50px' }}>
          <div style={{background:'#fff',padding:24,minHeight:280}}>
            <Route exact path="/" component={Home} />
            <Route path="/about" component={About} />
            <Route path="/login" component={Login} />
            <Route path="/reg" component={Reg} />
          </div>
        

        </Content>
        <Footer style={{textAlign:'center'}}>
          Copyright © 2008-2018
        </Footer>
      </Layout>
    </Router>);
  }
}

ReactDom.render(<Root />,document.getElementById('root'));

博文业务

业务层

//service/post.js
import axios from 'axios';
import {observable} from 'mobx';

export default class PostService{
    @observable msg = "";

    pub(title,content){
        console.log(title);
        axios.post('/api/post/pub',{
            title,content
        })/*dev server 会代理 */
        .then(response => {//此函数要注意this问题
            console.log(response.data);
            console.log(response.status);
            this.msg = '博文提交成功'; //+ 信息显示
        })
        .catch(error =>{
            console.log(error);
            this.msg = '登录失败'; //+ 信息显示
        })
    }
}

发布组件

使用Form组件 参考：https://ant.design/components/form-cn/

//src/component/pub.js
import React from 'react';
import {Link,Redirect} from 'react-router-dom'
import {observer} from 'mobx-react';
import {message} from 'antd';
import {inject} from '../utils';
import PostService from '../service/post';

import {Form,Input,Button} from 'antd';

import 'antd/lib/message/style';
import 'antd/lib/form/style';
import 'antd/lib/input/style';
import 'antd/lib/button/style';

const {TextArea} = Input;

const service = new PostService();

//注意装饰器顺序
@inject({service})  //生成{service:service}对象
@observer
export default class Pub extends React.Component{
    handleSubmit(event){
        event.preventDefault();
        let fm = event.target;
        console.log(fm[0].value,fm[1].value);
        this.props.service.pub(
            fm[0].value,fm[1].value
        );

    }
    render(){
        console.log('in login.js')
        if (this.props.service.loggedin){
            return <Redirect to='/about' />; 
        }
        if (this.props.service.errMsg){
            message.info(this.props.service.errMsg,3,
                ()=> SetTimeout(()=>this.props.service.errMsg='',1000)
            );
        }

        return (
            <Form layout='vertical' onSubmit={this.handleSubmit.bind(this)}>
                <Form.Item label="标题" labelCol={{span:4}} wrapperCol={{span:14}}>
                    <Input placeholder='标题'/>
                </Form.Item>
                <Form.Item label="内容" labelCol={{span:4}} wrapperCol={{span:14}}>
                    <TextArea rows={10}/>
                </Form.Item>
                <Form.Item wrapperCol={{span:14, offset:4}}>
                    <Button type='primary' htmlType='submit'>提交</Button>
                </Form.Item>
            </Form>
        ); 
    }
}

 待续...