package com.example.shop;
import jakarta.persistence.*;
import lombok.Data;
import java.time.LocalDateTime;
@Data
@Entity
public class Item {
@Id @GeneratedValue(strategy= GenerationType.IDENTITY)
Long id;
@Column(columnDefinition="TEXT")//글자 길게 입력함.
private String title;
private Integer price;
public String home_title;
public String home_data;
}
------------------------
package com.example.shop;
import lombok.RequiredArgsConstructor;
import org.springframework.data.annotation.Id;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import java.util.List;
import java.util.Optional;
@Controller
@RequiredArgsConstructor
public class ItemController {
private final ItemRepository itemRepository;
private final ItemService itemService;
@GetMapping("/list")
// @ResponseBody return값에 데이터를 그대로 보내주세요. html사용시 없애야 함.
String list(Model model){
List<Item> result=itemRepository.findAll();
model.addAttribute("items",result);
Item item=new Item();
String home_title = item.home_title;
System.out.println("home_title = " + home_title);
System.out.println("ssssssssss = " );
return "list";
}
@GetMapping("/write")
String write(){
return "write";
}
@PostMapping("/add")
String addPost(@RequestParam String title,
@RequestParam Integer price){
itemService.saveItem(title,price);
return "redirect:/list";
}
@GetMapping("/detail/{id}")
String detail(@PathVariable Long id,Model model) {
Optional<Item> result=itemRepository.findById(id);
if(result.isPresent()){
model.addAttribute("data",result.get());
return "detail.html";
}else{
return "redirect:/list";
}
}
@GetMapping("/edit/{id}")
String update(@PathVariable Long id,Model model) {
Optional<Item> update_id=itemRepository.findById(id);
if (update_id.isPresent()){
model.addAttribute("data",update_id.get());
return "update.html";
}else{
return "redirect:/list";
}
}
@PostMapping("/edit/{id}")
String postupdate(@PathVariable Long id,Model model,
@RequestParam String title,
@RequestParam Integer price) {
Optional<Item> update_id=itemRepository.findById(id);
if (update_id.isPresent()){
model.addAttribute("Item",update_id.get());
itemService.updatateItem(title,price,id);
return "update.html";
}else{
return "redirect:/list";
}
}
}
------
package com.example.shop;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import java.util.Optional;
@Service
@RequiredArgsConstructor
public class ItemService {
private final ItemRepository itemRepository;
public void saveItem(String title,Integer price){
Item item =new Item();
item.setTitle(title);
item.setPrice(price);
itemRepository.save(item);}
public void updatateItem(String title,Integer price,Long id){
Optional<Item> item_temp=itemRepository.findById(id);
Item item =new Item();
// item.id=item_temp.get().id;
item=item_temp.get();
item.setTitle(title);
item.setPrice(price);
itemRepository.save(item);}
}
-------------
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<link href="./main.css" rel="stylesheet">
</head>
<body>
<div th:replace="~{nav.html::navbar}"></div>
<div class="card" th:each="i:${items}">
< img src="https://placehold.co/300">
<div>
<h4 th:text="${i.title}">바지</h4>
<a th:href="@{'/detail/'+${i.id}}">링크</a>
<p th:text="${i.price}">7억</p>
<a th:href="@{'/edit/'+${i.id}}">✏️</a>
</div>
</div>
</body>
</html>
----------------------
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<link href="./main.css" rel="stylesheet">
</head>
<body>
<div th:replace="~{nav.html::navbar}"></div>
<!--<form action="@{"editpost"}" method="POST">-->
<form action="@{'/edit/'+${Item.id}}" method="POST">
<input name="title" th:value="${data.title}">
<input name="price" th:value="${data.price}">
<button type="submit">전송</button>
</form>
</body>
</html>
