[REACT] 12_장바구니(카트) 작성 및 브라우저 라우팅

2021. 12. 27. 13:14React/React 쇼핑 앱

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부트스트랩 table component 검색

https://react-bootstrap.netlify.app/components/table/#tables

 

React-Bootstrap

The most popular front-end framework, rebuilt for React.

react-bootstrap.github.io

 

더보기
<Table responsive>
  <thead>
    <tr>
      <th>#</th>
      {Array.from({ length: 4 }).map((_, index) => (
        <th key={index}>Table heading</th>
      ))}
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>1</td>
      {Array.from({ length: 4 }).map((_, index) => (
        <td key={index}>Table cell {index}</td>
      ))}
    </tr>
  </tbody>
</Table>

 

App.js

더보기
import './App.css';
import { Navbar, NavDropdown, Nav, Container } from 'react-bootstrap';
import Shoes1 from './api/shoes1.json';
import { useState } from 'react';
import axios from 'axios';
import { Route, Switch } from 'react-router-dom';
import Detail from './Detail';
import { useHistory } from 'react-router-dom';
import Cart from './Cart';

function App() {

  let [ shoes, setShoes ] = useState(Shoes1);
  let [ pageIdx, setPageIdx ]= useState(2);

  return (
    <div className="App">
      {/* NavBar */}
      <Navbar collapseOnSelect expand="lg" bg="dark" variant="dark">
        <Container>
          <Navbar.Brand href="/">React-Bootstrap</Navbar.Brand>
          <Navbar.Toggle aria-controls="responsive-navbar-nav" />
          <Navbar.Collapse id="responsive-navbar-nav">
            <Nav className="me-auto">
              <Nav.Link href="/">Home</Nav.Link>
              <Nav.Link href="#pricing">Pricing</Nav.Link>
              <NavDropdown title="Dropdown" id="collasible-nav-dropdown">
                <NavDropdown.Item href="#action/3.1">Action</NavDropdown.Item>
                <NavDropdown.Item href="#action/3.2">Another action</NavDropdown.Item>
                <NavDropdown.Item href="#action/3.3">Something</NavDropdown.Item>
                <NavDropdown.Divider />
                <NavDropdown.Item href="#action/3.4">Separated link</NavDropdown.Item>
              </NavDropdown>
            </Nav>
            <Nav>
              <Nav.Link href="#login">로그인</Nav.Link>
              <Nav.Link eventKey={2} href="#join">
                회원가입
              </Nav.Link>
            </Nav>
          </Navbar.Collapse>
        </Container>
      </Navbar>

      <Switch>
        <Route exact path='/'>
          {/* jumbotron */}
          <div class="bg-light p-5 rounded-lg">
            <h1 class="display-4">Hello, world!</h1>
            <p class="lead">This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>
            <hr class="my-4" />
            <p>It uses utility classes for typography and spacing to space content out within the larger container.</p>
            <a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a>
          </div>
          {/* card contents */}
          <div className='container'>
            <div className='row'>
              {
                shoes.map((obj, i) => {
                  return <Card key={i} i={i} shoes={shoes} />
                })
              }
            </div>
          </div>
          {/* more button */}
          <a class="btn btn-secondary btn" role="button" onClick={() => {
            axios.get('https://ksky216.github.io/json/data' + pageIdx + '.json').then((resp) => {
              setShoes([
                ...shoes,
                ...resp.data
              ]);
              setPageIdx(pageIdx + 1);
            }).catch((e) => {
              console.log(e);
            });
          }}>더보기</a>
        </Route>
        <Route exact path="/detail/:id">
          <Detail shoes={shoes} />
        </Route>
        <Route exact path="/cart">
          <Cart shoes={shoes} />
        </Route>
      </Switch>
    </div>
  );
}

function Card(props) {
  let history = useHistory();
  return (
    <>
      <div className='col-md-4' onClick={() => {
        history.push("/detail/" + props.shoes[props.i].id);
      }}>
        <img src={ props.shoes[props.i].image } alt="신발" width="100%" />
        <h3>{ props.shoes[props.i].title }</h3>
        <p>{ props.shoes[props.i].content } & { props.shoes[props.i].price }</p>
      </div>
    </>
  )
}

export default App;

 

Detail.js

더보기
import { useParams, useHistory } from "react-router-dom";
import { Nav } from 'react-bootstrap';
import { useEffect, useState } from "react";
import { CSSTransition } from "react-transition-group";
import './Detail.css';
import { useDispatch } from "react-redux";
function Detail(props) {
  let { id } = useParams();
  let foundObj = props.shoes.find((obj) => {
    return obj.id == id;
  });
  console.log(foundObj);
  let history = useHistory();
  let [tabIdx, setTabIdx] = useState(0);
  let [transSw, setTransSw] = useState(false);
  let dispatch = useDispatch();
  return (
    <div className="container">
      <div className="row">
        <div className="col-md-6">
          <img src={foundObj.image} alt="이미지" width="100%" />
        </div>
        <div className="col-md-6 mt-4">
          <h4 className="pt-5">{foundObj.title}</h4>
          <p>{foundObj.name}</p>
          <p>{foundObj.content}</p>
          <p>{foundObj.price}</p>
          <a class="btn btn-primary" role="button" onClick={() => {
            dispatch({
              type: 'addObj',
              data: {
                id: foundObj.id,
                title: foundObj.title,
                name: foundObj.name,
                content: foundObj.content,
                price: foundObj.price,
                image: foundObj.image,
                qty: foundObj.qty
              }
            });
            history.push('/cart');
          }}>장바구니</a>
          &nbsp;
          <a class="btn btn-secondary" role="button" onClick={() => {
            history.goBack();
          }}>뒤로가기</a>
        </div>
        {/* tab menu */}
        <Nav variant="tabs" defaultActiveKey="link-0">
          <Nav.Item>
            <Nav.Link eventKey="link-0" onClick={() => {
              setTransSw(false);
              setTabIdx(0);
            }}>TAB 1</Nav.Link>
          </Nav.Item>
          <Nav.Item>
            <Nav.Link eventKey="link-1" onClick={() => {
              setTransSw(false);
              setTabIdx(1);
            }}>TAB 2</Nav.Link>
          </Nav.Item>
        </Nav>
        {/* tab content */}
        <CSSTransition in={transSw} classNames="trans" timeout={200}>
          <TabContent tabIdx={tabIdx} setTransSw={setTransSw} />
        </CSSTransition>
      </div>
    </div>
  )
}

function TabContent(props) {
  useEffect(() => {
    props.setTransSw(true);
  });
  return (
    <>
      <div>{props.tabIdx} 번째 탭 선택됨</div>
    </>
  )
}

export default Detail;

 

Cart.js

더보기
import { Table } from "react-bootstrap";
import { useSelector } from "react-redux";

function Cart(props) {
  let state = useSelector((state) => state);
  return (
    <>
      <Table responsive>
        <thead>
          <tr>
            <th>#</th>
            <th>상품명</th>
            <th>가격</th>
            <th>수량</th>
            <th>변경</th>
          </tr>
        </thead>
        <tbody>
          {
            state.reducer1.map((obj, i) => {
              return (
                <tr key={i}>
                  <td>{obj.id}</td>
                  <td>{obj.name}</td>
                  <td>{obj.price}</td>
                  <td>{obj.qty}</td>
                  <td>
                    <a class="btn btn-secondary" role="button">+</a>
                    &nbsp;
                    <a class="btn btn-secondary" role="button">-</a>
                  </td>
                </tr>
              )
            })
          }
          {/* <tr>
            <td>1</td>
            <td>2</td>
            <td>3</td>
            <td>4</td>
          </tr> */}
        </tbody>
      </Table>
    </>
  )
}

export default Cart;

상세페이지에서 [장바구니] 버튼을 누르면 장바구니(Cart.js) 페이지로 이동한다.

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