BookController \u306b\u4ee5\u4e0b\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
\r\n\t@RequestMapping("\/delete\/{id}")\r\n\tpublic ModelAndView delete(ModelAndView mav, @PathVariable long id) {\r\n\t\tmav.setViewName("delete");\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<\/pre>\n\u524a\u9664\u78ba\u8a8d\u753b\u9762\u3092\u8ffd\u52a0\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\u524a\u9664<\/title>\r\n<\/head>\r\n<body>\r\n\r\n<h1>\u672c\u306e\u524a\u9664<\/h1>\r\n<p>\u3053\u306e\u672c\u3092\u524a\u9664\u3057\u307e\u3059\u304b\uff1f<\/p>\r\n<table>\r\n\t<tr>\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="${book.author}"><\/td>\r\n\t<\/tr>\r\n<\/table>\r\n\r\n\r\n<form action="\/delete" method="post" th:object="${book}">\r\n\t<input type="hidden" name="id" th:value="*{id}" \/>\r\n\t<input type="submit" value="\u524a\u9664\u3059\u308b" \/>\r\n<\/form>\r\n\r\n<\/body>\r\n<\/html>\r\n<\/pre>\nBookController\u306b\u524a\u9664\u78ba\u8a8d\u306ePOST\u3092\u53d7\u3051\u4ed8\u3051\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
\r\n\t@RequestMapping(value = "\/delete", method = RequestMethod.POST)\r\n\tpublic ModelAndView deleteBook(ModelAndView mav, @RequestParam("id") long id) {\r\n\t\tOptional<Book> data = repository.findById(id);\r\n\t\tBook book = data.get();\r\n\t\tBookshelf bookshelf = book.getBookshelf();\r\n\t\tif (bookshelf != null) {\r\n\t\t\tbookshelf.removeBook(book);\r\n\t\t\tbookshelfRepository.saveAndFlush(bookshelf);\r\n\t\t}\r\n\t\trepository.delete(book);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n<\/pre>\n\n<\/div>","protected":false},"excerpt":{"rendered":"BookController \u306b\u4ee5\u4e0b\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002 \u524a\u9664\u78ba\u8a8d\u753b\u9762\u3092\u8ffd\u52a0\u3059\u308b\u3002 BookController\u306b\u524a\u9664\u78ba\u8a8d\u306ePOST\u3092\u53d7\u3051\u4ed8\u3051\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/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-34","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\/34","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=34"}],"version-history":[{"count":3,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions"}],"predecessor-version":[{"id":37,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions\/37"}],"wp:attachment":[{"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kpc2022.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}