Java CRUD アップデート部分
解決したいこと
ここに解決したい内容を記載してください。
Java Spring Bootで CRUDのUを作っているのですが
編集ボタンを押してもエラーでURLに飛べません
画面遷移して、情報を書き換えるようにするにはどうしたらいいでしょうか？
発生している問題・エラー
編集画面が表示されない
例）
Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Mon Feb 13 20:24:22 JST 2023
There was an unexpected error (type=Bad Request, status=400).
Failed to convert value of type 'java.lang.String' to required type 'long'; nested exception is java.lang.NumberFormatException: For input string: "edit"
org.springframework.web.method.annotation.MethodArgumentTypeMismatchException: Failed to convert value of type 'java.lang.String' to required type 'long'; nested exception is java.lang.NumberFormatException: For input string: "edit"
at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.resolveArgument(AbstractNamedValueMethodArgumentResolver.java:133)
at org.springframework.web.method.support.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:121)
at org.springframework.web.method.support.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:167)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:134)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1590)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.lang.NumberFormatException: For input string: "edit"
at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.base/java.lang.Long.parseLong(Long.java:692)
at java.base/java.lang.Long.valueOf(Long.java:1144)
at org.springframework.util.NumberUtils.parseNumber(NumberUtils.java:214)
at org.springframework.beans.propertyeditors.CustomNumberEditor.setAsText(CustomNumberEditor.java:115)
at org.springframework.beans.TypeConverterDelegate.doConvertTextValue(TypeConverterDelegate.java:429)
at org.springframework.beans.TypeConverterDelegate.doConvertValue(TypeConverterDelegate.java:402)
at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:155)
at org.springframework.beans.TypeConverterSupport.convertIfNecessary(TypeConverterSupport.java:73)
at org.springframework.beans.TypeConverterSupport.convertIfNecessary(TypeConverterSupport.java:53)
at org.springframework.validation.DataBinder.convertIfNecessary(DataBinder.java:693)
at org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver.resolveArgument(AbstractNamedValueMethodArgumentResolver.java:125)
... 47 more
または、問題・エラーが起きている画像をここにドラッグアンドドロップ
該当するソースコード
Controller
package com.example.demo.controllers;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
//import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import com.example.demo.models.InquiryForm;
import com.example.demo.models.InquiryForm3;
//
import com.example.demo.models.Item;
import com.example.demo.repositries.InquiryRepository;
import com.example.demo.repositries.InquiryRepository3;
import com.example.demo.repositries.ItemRepository;
@Controller
@RequestMapping("/")
public class RootController {
@Autowired
InquiryRepository repository;
@Autowired
InquiryRepository3 repository3;
@Autowired
ItemRepository itemRepository;
}
@GetMapping("/item")
public String item(Item item ) {
return "itemIndex/item";
}
@PostMapping("/item")
public String item(@Validated Item item, BindingResult bindingResult, Model model) {
if (bindingResult.hasErrors()) {
return "itemIndex/item";
// エラーがあればreturnで返される
}
itemRepository .saveAndFlush(item);
item.clear();
model.addAttribute("message", "お問い合わせを受け付けました。");
return "itemIndex/item";
}
@GetMapping("/list")
public String list(Model model) {
List<Item> item =itemRepository.findAll();
model.addAttribute("item",item);
return "itemIndex/list";
}
@GetMapping("/edit")
public String edit(@PathVariable Item item,Model model) {
model.addAttribute("item",item);
return "itemIndex/edit";
}
@PostMapping("/{id}")
public String update(@PathVariable long id, @ModelAttribute Item item) {
return "itemIndex/list";
}
}
}
edit.html
<!doctype html>
<html xmlns:th="http://www.thymeleaf.org" lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>ポートフォリオサイト</title>
<link rel="stylesheet" media="all" th:href="@{/css/ress.min.css}" />
<link rel="stylesheet" media="all" th:href="@{/css/style.css}" />
<script th:src="@{/js/jquery-2.1.4.min.js}"></script>
<script th:src="@{/js/style.js}"></script>
<!-- Favicon -->
<link rel="icon" type="image/png" th:href="@{/img/favicon.png}">
</head>
<body>
<header>
<div class="container">
<div class="row">
<div class="col span-12">
<div class="head">
<h1>
<a th:href="@{/}">PORTFOLIO</a>
</h1>
</div>
</div>
</div>
<div class="row">
<div class="col span-12">
<nav>
<div id="open">
<img th:src="@{/img/button.png}">
</div>
<div id="close">
<img th:src="@{/img/button2.png}">
</div>
<div id="navi">
<ul>
<li><a th:href="@{/}">ホーム</a></li>
<li><a th:href="@{/form}">お問い合わせ</a></li>
</ul>
</div>
</nav>
</div>
</div>
</div>
</header>
<div class="mainimg">
<img th:src="@{/img/subimg.jpg}" alt="お問い合わせ画像">
</div>
<main>
<article>
<div class="container">
<div class="row">
<div class="col span-12">
<div class="breadcrumb">
<ul>
<li><a th:href="@{/demo}">ホーム</a> > お問い合わせ</li>
</ul>
</div>
<th:block th:if="message != null">
<h2 th:class="msg" th:text="${message}"></h2>
</th:block>
<h2 class="underline">商品編集画面</h2>
<form th:action="@{/form/{id}(id=*{id})}" th:method="post" th:object="${item}">
<div class="form-group">
<label class="control-label">商品名</label>
<input class="form-control" type="text" th:field="*{name}" />
</div>
<div class="form-group">
<label class="control-label">値段</label>
<input class="form-control" type="number" th:field="*{price}" />
</div>
<div class="form-group">
<label class="control-label">商品概要</label>
<input class="form-control" type="text" th:field="*{content}" />
</div>
<button class="btn btn-default" type="submit">更新</button>
</form>
<div class="pull-right">
<a class="btn btn-link" href="/players">一覧画面へ</a>
</div>
</div>
</div>
</div>
</article>
</main>
<footer>
<div class="container">
<div class="row">
<div class="col span-12">
<h5>お知らせ</h5>
<p>電話での問合せは承っておりません。</p>
<p>回答にお時間頂くことがございます。予めご了承ください。</p>
</div>
</div>
</div>
</footer>
<p id="pagetop">
<a href="#">TOP</a>
</p>
</body>
</html>
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