{"id":29,"date":"2022-11-24T13:59:22","date_gmt":"2022-11-24T04:59:22","guid":{"rendered":"https:\/\/kpc2022.satoshis.jp\/?p=29"},"modified":"2022-11-24T14:11:24","modified_gmt":"2022-11-24T05:11:24","slug":"%e6%9c%ac%e6%a3%9a%e3%82%92%e7%a7%bb%e5%8b%95%e3%81%97%e3%82%88%e3%81%86%e3%81%a8%e3%81%99%e3%82%8b%e3%81%a8%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ab%e3%81%aa%e3%82%8b%e5%95%8f%e9%a1%8c%e3%82%92%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/kpc2022.satoshis.jp\/?p=29","title":{"rendered":"\u672c\u68da\u3092\u79fb\u52d5\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u554f\u984c\u3092\u89e3\u6d88\u3059\u308b"},"content":{"rendered":"

\u672c\u3092\u5225\u306e\u672c\u68da\u306b\u79fb\u52d5\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002<\/p>\n

\u3053\u308c\u306f\u3001\u4eca\u306e\u72b6\u614b\u3067\u306f1\u518a\u306e\u672c\u3092\u8907\u6570\u306e\u672c\u68da\u306b\u5165\u308c\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3002
\n\u73fe\u5b9f\u7684\u306b\u4e0d\u53ef\u80fd\u306a\u3053\u3068\u3092\u3084\u308d\u3046\u3068\u3057\u3066\u3044\u308b\u306e\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002<\/p>\n

\u672c\u68da\u3092\u79fb\u52d5\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5143\u306e\u672c\u68da\u304b\u3089\u672c\u3092\u53d6\u308a\u51fa\u3057\u305f\u5f8c\u3067\u3001\u5225\u306e\u672c\u68da\u306b\u79fb\u52d5\u3059\u308b\u3068\u3044\u3046\u64cd\u4f5c\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002<\/p>\n

\r\npackage jp.bookshelf;\r\n\r\nimport java.util.List;\r\nimport java.util.Optional;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.stereotype.Controller;\r\nimport org.springframework.web.bind.annotation.ModelAttribute;\r\nimport org.springframework.web.bind.annotation.PathVariable;\r\nimport org.springframework.web.bind.annotation.RequestMapping;\r\nimport org.springframework.web.bind.annotation.RequestMethod;\r\nimport org.springframework.web.bind.annotation.RequestParam;\r\nimport org.springframework.web.servlet.ModelAndView;\r\n\r\n@Controller\r\npublic class BookController {\r\n\t@Autowired\r\n\tprivate BookRepository repository;\r\n\t@Autowired\r\n\tprivate BookshelfRepository bookshelfRepository;\r\n\r\n\t@RequestMapping(value = "\/book", method = RequestMethod.GET)\r\n\tpublic ModelAndView list(ModelAndView mav) {\r\n\t\tmav.addObject("book", new Book());\r\n\t\tmav.setViewName("books");\r\n\t\tList<Book> list = repository.findAll();\r\n\t\tList<Bookshelf> bookshelfs = bookshelfRepository.findAll();\r\n\t\tmav.addObject("list", list);\r\n\t\tmav.addObject("bookshelfs", bookshelfs);\r\n\t\treturn mav;\r\n\t}\r\n\r\n\t@RequestMapping(value = "\/book", method = RequestMethod.POST)\r\n\tpublic ModelAndView post(ModelAndView mav,\r\n\t\t\t@ModelAttribute("book") Book book) {\r\n\t\trepository.saveAndFlush(book);\r\n\t\treturn new ModelAndView("redirect:\/book");\r\n\t}\r\n\r\n\t@RequestMapping(value = "\/edit\/{id}", method = RequestMethod.GET)\r\n\tpublic ModelAndView edit(ModelAndView mav,\r\n\t\t\t@PathVariable long id) {\r\n\t\tmav.setViewName("edit");\r\n\t\tOptional<Book> data = repository.findById(id);\r\n\t\tmav.addObject("book", data.get());\r\n\t\treturn mav;\r\n\t}\r\n\r\n\t@RequestMapping(value = "\/edit", method = RequestMethod.POST)\r\n\tpublic ModelAndView update(ModelAndView mav,\r\n\t\t\t@ModelAttribute("book") Book book) {\r\n\t\trepository.saveAndFlush(book);\r\n\t\treturn new ModelAndView("redirect:\/book");\r\n\t}\r\n\r\n\t@RequestMapping(value = "\/push", method = RequestMethod.POST)\r\n\tpublic ModelAndView push(ModelAndView mav,\r\n\t\t\t@RequestParam("id") long id,\r\n\t\t\t@RequestParam("bookshelf") long bookshelfId) {\r\n\t\tOptional<Book> data = repository.findById(id);\r\n\t\tBook book = data.get();\r\n\t\tBookshelf prev = book.getBookshelf();\r\n\t\tif (prev != null) {\r\n\t\t\tprev.removeBook(book);\r\n\t\t\tbookshelfRepository.saveAndFlush(prev);\r\n\t\t}\r\n\t\tif (bookshelfId != 0) {\r\n\t\t\tOptional<Bookshelf> bs = bookshelfRepository.findById(bookshelfId);\r\n\t\t\tBookshelf bookshelf = bs.get();\r\n\t\t\tbookshelf.addBook(book);\r\n\t\t\tbook.setBookshelf(bookshelf);\r\n\t\t\tbookshelfRepository.saveAndFlush(bookshelf);\r\n\t\t\trepository.saveAndFlush(book);\r\n\t\t} else {\r\n\t\t\tbook.setBookshelf(null);\r\n\t\t\trepository.saveAndFlush(book);\r\n\t\t\treturn new ModelAndView("redirect:\/");\r\n\t\t}\r\n\t\treturn new ModelAndView("redirect:\/bookshelf\/" + bookshelfId);\r\n\t}\r\n}\r\n<\/pre>\n
\u672c\u3092\u672c\u68da\u306b\u5165\u308c\u305f\u5f8c\u3067\u3001\u672c\u68da\u304b\u3089\u53d6\u308a\u51fa\u3057\u3066\u3001\u3069\u306e\u672c\u68da\u306b\u3082\u5165\u308c\u306a\u3044\u3068\u3044\u3046\u64cd\u4f5c\u3082\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n
\r\n<!DOCTYPE html>\r\n<html xmlns:th="http:\/\/www.thymeleaf.org">\r\n<head>\r\n<meta charset="UTF-8">\r\n<title>\u672c\u306e\u30ea\u30b9\u30c8<\/title>\r\n<style type="text\/css">\r\nimg.book-image {\r\n\twidth: 100px;\r\n}\r\n<\/style>\r\n<\/head>\r\n<body>\r\n\r\n<h2>\u672c\u3092\u8ffd\u52a0<\/h2>\r\n<form action="\/book" method="post" th:object="${book}">\r\n\t\u30bf\u30a4\u30c8\u30eb: <input type="text" name="title" th:value="*{title}" \/>\r\n\t<br \/>\r\n\t\u8457\u8005: <input type="text" name="author" th:value="*{author}" \/>\r\n\t<br \/>\r\n\t\u753b\u50cfURL: <input type="text" name="image" th:value="*{image}" \/>\r\n\t<br \/>\r\n\t<input type="submit" value="\u672c\u3092\u8ffd\u52a0" \/>\r\n<\/form>\r\n\r\n<h1>\u672c\u306e\u30ea\u30b9\u30c8<\/h1>\r\n<table>\r\n\t<tr>\r\n\t\t<th>\u753b\u50cf<\/th><th>\u30bf\u30a4\u30c8\u30eb<\/th><th>\u8457\u8005\u540d<\/th><th>\u64cd\u4f5c<\/th><th>\u672c\u68da<\/th>\r\n\t<\/tr>\r\n\t<tr th:each="book : ${list}">\r\n\t\t<td><img class="book-image" th:src="${book.image}" \/><\/td>\r\n\t\t<td th:text="${book.title}"><\/td>\r\n\t\t<td th:text="${book.author}"><\/td>\r\n\t\t<td>\r\n\t\t\t<a th:href="@{'\/edit\/' + ${book.id}}">\u4fee\u6b63<\/a>\r\n\t\t\t<a th:href="@{'\/delete\/' + ${book.id}}">\u524a\u9664<\/a>\r\n\t\t<\/td>\r\n\t\t<td>\r\n\t\t\t\u4eca\u306e\u672c\u68da: <span th:if="${book.bookshelf != null}" th:text="${book.bookshelf.name}"><\/span>\r\n\t\t\t<form action="\/push" method="post">\r\n\t\t\t\t<input type="hidden" name="id" th:value="${book.id}" \/>\r\n\t\t\t\t<select name="bookshelf">\r\n\t\t\t\t<option value="0">\u672c\u68da\u306b\u5165\u308c\u306a\u3044<\/option>\r\n\t\t\t\t<th:block th:each="bookshelf : ${bookshelfs}">\r\n\t\t\t\t<option th:value="${bookshelf.id}" th:text="${bookshelf.name}"><\/option>\r\n\t\t\t\t<\/th:block>\r\n\t\t\t<\/select>\u306b<button>\u79fb\u52d5<\/button>\u3059\u308b\r\n\t\t\t<p th:if="${book.bookshelf != null}" th:text="${book.bookshelf.name}">\r\n\t\t\t<\/form>\r\n\t\t<\/td>\r\n\t<\/tr>\r\n<\/table>\r\n\r\n<a href="\/">\u623b\u308b<\/a>\r\n\r\n<\/body>\r\n<\/html>\r\n<\/pre>\n
Bookshelf\u306bremoveBook()\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
\r\n\tpublic void addBook(Book book) {\r\n\t\tbooks.add(book);\r\n\t}\r\n\r\n\tpublic void removeBook(Book book) {\r\n\t\tbooks.remove(book);\r\n\t}\r\n}\r\n<\/pre>\n\n
<\/div>","protected":false},"excerpt":{"rendered":"
\u672c\u3092\u5225\u306e\u672c\u68da\u306b\u79fb\u52d5\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002 \u3053\u308c\u306f\u3001\u4eca\u306e\u72b6\u614b\u3067\u306f1\u518a\u306e\u672c\u3092\u8907\u6570\u306e\u672c\u68da\u306b\u5165\u308c\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3002 \u73fe\u5b9f\u7684\u306b\u4e0d\u53ef\u80fd\u306a\u3053\u3068\u3092\u3084\u308d\u3046\u3068\u3057\u3066\u3044\u308b\u306e\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002 \u672c\u68da\u3092\u79fb\u52d5\u3059\u308b\u305f\u3081\u306b\u306f … <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[3],"class_list":["post-29","post","type-post","status-publish","format-standard","hentry","category-springboot","tag-springboot"],"_links":{"self":[{"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/29","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29"}],"version-history":[{"count":3,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/29\/revisions"}],"predecessor-version":[{"id":33,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/29\/revisions\/33"}],"wp:attachment":[{"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}