springboot_validation : v2 - BindingResult & #fields

This commit is contained in:
haerong22
2021-07-14 22:24:58 +09:00
parent 1259597ea4
commit fa59aeedc1
5 changed files with 332 additions and 0 deletions

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package hello.itemservice.web.validation;
import hello.itemservice.domain.item.Item;
import hello.itemservice.domain.item.ItemRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Controller
@RequestMapping("/validation/v2/items")
@RequiredArgsConstructor
public class ValidationItemControllerV2 {
private final ItemRepository itemRepository;
@GetMapping
public String items(Model model) {
List<Item> items = itemRepository.findAll();
model.addAttribute("items", items);
return "validation/v2/items";
}
@GetMapping("/{itemId}")
public String item(@PathVariable long itemId, Model model) {
Item item = itemRepository.findById(itemId);
model.addAttribute("item", item);
return "validation/v2/item";
}
@GetMapping("/add")
public String addForm(Model model) {
model.addAttribute("item", new Item());
return "validation/v2/addForm";
}
@PostMapping("/add")
public String addItemV1(@ModelAttribute Item item, BindingResult bindingResult, RedirectAttributes redirectAttributes, Model model) {
// 검증 로직
if (!StringUtils.hasText(item.getItemName())) {
bindingResult.addError(new FieldError("item", "itemName", "상품 이름은 필수 입니다."));
}
if (item.getPrice() == null || item.getPrice() < 1000 || item.getPrice() > 1000000) {
bindingResult.addError(new FieldError("item", "price", "가격은 1,000 ~ 1,000,000 까지 허용합니다."));
}
if (item.getQuantity() == null || item.getQuantity() >= 9999) {
bindingResult.addError(new FieldError("item", "quantity", "수량은 최대 9,999 까지 허용됩니다."));
}
if (item.getPrice() != null && item.getQuantity() != null ) {
int resultPrice = item.getPrice() * item.getQuantity();
if (resultPrice < 10000) {
bindingResult.addError(new ObjectError("item", "가격 * 수량의 합은 10,000원 이상 이어야 합니다. 현재 값 = " + resultPrice));
}
}
// 검증 실패시
if (bindingResult.hasErrors()) {
return "validation/v2/addForm";
}
// 검증 성공시
Item savedItem = itemRepository.save(item);
redirectAttributes.addAttribute("itemId", savedItem.getId());
redirectAttributes.addAttribute("status", true);
return "redirect:/validation/v2/items/{itemId}";
}
@GetMapping("/{itemId}/edit")
public String editForm(@PathVariable Long itemId, Model model) {
Item item = itemRepository.findById(itemId);
model.addAttribute("item", item);
return "validation/v2/editForm";
}
@PostMapping("/{itemId}/edit")
public String edit(@PathVariable Long itemId, @ModelAttribute Item item) {
itemRepository.update(itemId, item);
return "redirect:/validation/v2/items/{itemId}";
}
}

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<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="utf-8">
<link th:href="@{/css/bootstrap.min.css}"
href="../css/bootstrap.min.css" rel="stylesheet">
<style>
.container {
max-width: 560px;
}
.field-error {
border-color: #dc3545;
color: #dc3545;
}
</style>
</head>
<body>
<div class="container">
<div class="py-5 text-center">
<h2 th:text="#{page.addItem}">상품 등록</h2>
</div>
<form action="item.html" th:action th:object="${item}" method="post">
<div th:if="${#fields.hasGlobalErrors()}">
<p class="field-error" th:each="err : ${#fields.globalErrors()}" th:text="${err}">글로벌 오류 메시지</p>
</div>
<div>
<label for="itemName" th:text="#{label.item.itemName}">상품명</label>
<input type="text" id="itemName" th:field="*{itemName}"
th:errorclass="field-error" class="form-control" placeholder="이름을 입력하세요">
<div class="field-error" th:errors="*{itemName}">
상품명 오류
</div>
</div>
<div>
<label for="price" th:text="#{label.item.price}">가격</label>
<input type="text" id="price" th:field="*{price}"
th:errorclass="field-error" class="form-control" placeholder="가격을 입력하세요">
<div class="field-error" th:errors="*{price}">
가격 오류
</div>
</div>
<div>
<label for="quantity" th:text="#{label.item.quantity}">수량</label>
<input type="text" id="quantity" th:field="*{quantity}"
th:errorclass="field-error" class="form-control" placeholder="수량을 입력하세요">
<div class="field-error" th:errors="*{quantity}">
수량 오류
</div>
</div>
<hr class="my-4">
<div class="row">
<div class="col">
<button class="w-100 btn btn-primary btn-lg" type="submit" th:text="#{button.save}">상품 등록</button>
</div>
<div class="col">
<button class="w-100 btn btn-secondary btn-lg"
onclick="location.href='items.html'"
th:onclick="|location.href='@{/validation/v2/items}'|"
type="button" th:text="#{button.cancel}">취소</button>
</div>
</div>
</form>
</div> <!-- /container -->
</body>
</html>

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<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="utf-8">
<link th:href="@{/css/bootstrap.min.css}"
href="../css/bootstrap.min.css" rel="stylesheet">
<style>
.container {
max-width: 560px;
}
</style>
</head>
<body>
<div class="container">
<div class="py-5 text-center">
<h2 th:text="#{page.updateItem}">상품 수정</h2>
</div>
<form action="item.html" th:action th:object="${item}" method="post">
<div>
<label for="id" th:text="#{label.item.id}">상품 ID</label>
<input type="text" id="id" th:field="*{id}" class="form-control" readonly>
</div>
<div>
<label for="itemName" th:text="#{label.item.itemName}">상품명</label>
<input type="text" id="itemName" th:field="*{itemName}" class="form-control">
</div>
<div>
<label for="price" th:text="#{label.item.price}">가격</label>
<input type="text" id="price" th:field="*{price}" class="form-control">
</div>
<div>
<label for="quantity" th:text="#{label.item.quantity}">수량</label>
<input type="text" id="quantity" th:field="*{quantity}" class="form-control">
</div>
<hr class="my-4">
<div class="row">
<div class="col">
<button class="w-100 btn btn-primary btn-lg" type="submit" th:text="#{button.save}">저장</button>
</div>
<div class="col">
<button class="w-100 btn btn-secondary btn-lg"
onclick="location.href='item.html'"
th:onclick="|location.href='@{/validation/v2/items/{itemId}(itemId=${item.id})}'|"
type="button" th:text="#{button.cancel}">취소</button>
</div>
</div>
</form>
</div> <!-- /container -->
</body>
</html>

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<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="utf-8">
<link th:href="@{/css/bootstrap.min.css}"
href="../css/bootstrap.min.css" rel="stylesheet">
<style>
.container {
max-width: 560px;
}
</style>
</head>
<body>
<div class="container">
<div class="py-5 text-center">
<h2 th:text="#{page.item}">상품 상세</h2>
</div>
<!-- 추가 -->
<h2 th:if="${param.status}" th:text="'저장 완료'"></h2>
<div>
<label for="itemId" th:text="#{label.item.id}">상품 ID</label>
<input type="text" id="itemId" name="itemId" class="form-control" value="1" th:value="${item.id}" readonly>
</div>
<div>
<label for="itemName" th:text="#{label.item.itemName}">상품명</label>
<input type="text" id="itemName" name="itemName" class="form-control" value="상품A" th:value="${item.itemName}" readonly>
</div>
<div>
<label for="price" th:text="#{label.item.price}">가격</label>
<input type="text" id="price" name="price" class="form-control" value="10000" th:value="${item.price}" readonly>
</div>
<div>
<label for="quantity" th:text="#{label.item.quantity}">수량</label>
<input type="text" id="quantity" name="quantity" class="form-control" value="10" th:value="${item.quantity}" readonly>
</div>
<hr class="my-4">
<div class="row">
<div class="col">
<button class="w-100 btn btn-primary btn-lg"
onclick="location.href='editForm.html'"
th:onclick="|location.href='@{/validation/v2/items/{itemId}/edit(itemId=${item.id})}'|"
type="button" th:text="#{page.updateItem}">상품 수정</button>
</div>
<div class="col">
<button class="w-100 btn btn-secondary btn-lg"
onclick="location.href='items.html'"
th:onclick="|location.href='@{/validation/v2/items}'|"
type="button" th:text="#{button.cancel}">목록으로</button>
</div>
</div>
</div> <!-- /container -->
</body>
</html>

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<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="utf-8">
<link th:href="@{/css/bootstrap.min.css}"
href="../css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<div class="container" style="max-width: 600px">
<div class="py-5 text-center">
<h2 th:text="#{page.items}">상품 목록</h2>
</div>
<div class="row">
<div class="col">
<button class="btn btn-primary float-end"
onclick="location.href='addForm.html'"
th:onclick="|location.href='@{/validation/v2/items/add}'|"
type="button" th:text="#{page.addItem}">상품 등록</button>
</div>
</div>
<hr class="my-4">
<div>
<table class="table">
<thead>
<tr>
<th th:text="#{label.item.id}">ID</th>
<th th:text="#{label.item.itemName}">상품명</th>
<th th:text="#{label.item.price}">가격</th>
<th th:text="#{label.item.quantity}">수량</th>
</tr>
</thead>
<tbody>
<tr th:each="item : ${items}">
<td><a href="item.html" th:href="@{/validation/v2/items/{itemId}(itemId=${item.id})}" th:text="${item.id}">회원id</a></td>
<td><a href="item.html" th:href="@{|/validation/v2/items/${item.id}|}" th:text="${item.itemName}">상품명</a></td>
<td th:text="${item.price}">10000</td>
<td th:text="${item.quantity}">10</td>
</tr>
</tbody>
</table>
</div>
</div> <!-- /container -->
</body>
</html>