MyController.java<\/p>\n
\r\n\t@RequestMapping(value = "\/tweet", method = RequestMethod.POST)\r\n\tpublic ModelAndView tweet(ModelAndView mav,\r\n\t\t\t@ModelAttribute("tweet") @Validated Tweet tweet,\r\n\t\t\tErrors errors,\r\n\t\t\tPrincipal p) {\r\n\t\tif (errors.hasErrors()) {\r\n\t\t\tmav.setViewName("mypage");\r\n\t\t\tmav.addObject("msg", "\u30a8\u30e9\u30fc\u3067\u3059");\r\n\t\t\treturn mav;\r\n\t\t}\r\n\r\n\t\treturn new ModelAndView("redirect:\/mypage");\r\n\t}\r\n<\/pre>\n\u3069\u306e\u3088\u3046\u306a\u60c5\u5831\u304cTweet\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001Tweet\u306btoString()\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
Tweet.java<\/p>\n
\r\n\t@Override\r\n\tpublic String toString() {\r\n\t\tStringBuilder builder = new StringBuilder();\r\n\t\tbuilder\r\n\t\t\t.append("Tweet [id=").append(id)\r\n\t\t\t.append(", content=").append(content)\r\n\t\t\t.append(", time=").append(time)\r\n\t\t\t.append(", profile=").append(profile)\r\n\t\t\t.append("]");\r\n\t\treturn builder.toString();\r\n\t}\r\n<\/pre>\n\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089Tweet\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u3066\u307f\u308b\u3002<\/p>\n
MyContoller.java<\/p>\n
\r\n\t@RequestMapping(value = "\/tweet", method = RequestMethod.POST)\r\n\tpublic ModelAndView tweet(ModelAndView mav,\r\n\t\t\t@ModelAttribute("tweet") @Validated Tweet tweet,\r\n\t\t\tErrors errors,\r\n\t\t\tPrincipal p) {\r\n\t\tif (errors.hasErrors()) {\r\n\t\t\tmav.setViewName("mypage");\r\n\t\t\tmav.addObject("msg", "\u30a8\u30e9\u30fc\u3067\u3059");\r\n\t\t\treturn mav;\r\n\t\t}\r\n\t\tSystem.out.println(tweet);\r\n\t\treturn new ModelAndView("redirect:\/mypage");\r\n\t}\r\n<\/pre>\nTweet\u306b\u73fe\u5728\u6642\u523b\u3068Profile\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n
\r\n\t@RequestMapping(value = "\/tweet", method = RequestMethod.POST)\r\n\tpublic ModelAndView tweet(ModelAndView mav,\r\n\t\t\t@ModelAttribute("tweet") @Validated Tweet tweet,\r\n\t\t\tErrors errors,\r\n\t\t\tPrincipal p) {\r\n\t\tif (errors.hasErrors()) {\r\n\t\t\tmav.setViewName("mypage");\r\n\t\t\tmav.addObject("msg", "\u30a8\u30e9\u30fc\u3067\u3059");\r\n\t\t\treturn mav;\r\n\t\t}\r\n\t\tOptional<Profile> data = repository.findByUsername(p.getName());\r\n\t\ttweet.setProfile(data.get());\r\n\t\ttweet.setTime(new Date());\r\n\t\tSystem.out.println(tweet);\r\n\t\treturn new ModelAndView("redirect:\/mypage");\r\n\t}\r\n<\/pre>\nTweet\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u3001\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n
TweetRepository.java<\/p>\n
\r\npackage jp.abc;\r\n\r\nimport org.springframework.data.jpa.repository.JpaRepository;\r\n\r\npublic interface TweetRepository extends JpaRepository<Tweet, Long> {\r\n\r\n}\r\n<\/pre>\n\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u305f\u306e\u3067\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u3002
\n\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3068\u3057\u3066\u8ffd\u52a0\u3057\u3001@Autowired\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u3064\u3051\u3066DI\u3057\u3066\u3082\u3089\u3046\u3002<\/p>\n
MyController.java<\/p>\n
\r\n@Controller\r\npublic class MyController {\r\n\t@Autowired\r\n\tprivate JdbcUserDetailsManager userManager;\r\n\t@Autowired\r\n\tprivate ProfileRepository repository;\r\n\t@Autowired\r\n\tprivate TweetRepository tweetRepository;\r\n<\/pre>\n\r\n\t@RequestMapping(value = "\/tweet", method = RequestMethod.POST)\r\n\tpublic ModelAndView tweet(ModelAndView mav,\r\n\t\t\t@ModelAttribute("tweet") @Validated Tweet tweet,\r\n\t\t\tErrors errors,\r\n\t\t\tPrincipal p) {\r\n\t\tif (errors.hasErrors()) {\r\n\t\t\tmav.setViewName("mypage");\r\n\t\t\tmav.addObject("msg", "\u30a8\u30e9\u30fc\u3067\u3059");\r\n\t\t\treturn mav;\r\n\t\t}\r\n\t\tOptional<Profile> data = repository.findByUsername(p.getName());\r\n\t\ttweet.setProfile(data.get());\r\n\t\ttweet.setTime(new Date());\r\n\t\tSystem.out.println(tweet);\r\n\t\ttweetRepository.saveAndFlush(tweet);\r\n\t\treturn new ModelAndView("redirect:\/mypage");\r\n\t}\r\n<\/pre>\nmypage \u306b\u30c4\u30a4\u30fc\u30c8\u4e00\u89a7\u3092\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089ModelAndView\u306b\u6e21\u3057\u3066\u304a\u304f\u3002<\/p>\n
MyController.java<\/p>\n
\r\n\t@RequestMapping(value = "\/mypage")\r\n\tpublic ModelAndView top(ModelAndView mav, Principal p) {\r\n\t\tmav.setViewName("mypage");\r\n\t\tmav.addObject("username", p.getName());\r\n\t\tOptional<Profile> data = repository.findByUsername(p.getName());\r\n\t\tProfile profile;\r\n\t\tif (!data.isPresent()) {\r\n\t\t\tprofile = new Profile();\r\n\t\t\tprofile.setUsername(p.getName());\r\n\t\t\trepository.saveAndFlush(profile);\r\n\t\t} else {\r\n\t\t\tprofile = data.get();\r\n\t\t}\r\n\t\tmav.addObject("profile", profile);\r\n\t\tList<Tweet> list = tweetRepository.findAll();\r\n\t\tmav.addObject("datalist", list);\r\n\t\treturn mav;\r\n\t}\r\n<\/pre>\nmypage \u306b\u30c4\u30a4\u30fc\u30c8\u4e00\u89a7\u3092\u8868\u793a\u3059\u308b\u3002<\/p>\n
mypage.html<\/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>login<\/title>\r\n<\/head>\r\n<body>\r\n<h1>\u30de\u30a4\u30da\u30fc\u30b8<\/h1>\r\n<p>\u3088\u3046\u3053\u305d\u3001<span th:text="${username}"><\/span>\u3055\u3093\uff01<\/p>\r\n<p th:text="${profile.username}"><\/p>\r\n<form th:action="@{\/tweet}" th:object="${tweet}" method="post">\r\n\t<textarea name="content" cols="40" rows="10"><\/textarea>\r\n\t<br \/>\r\n\t<input type="submit" value="\u30c4\u30a4\u30fc\u30c8\u3059\u308b" \/>\r\n<\/form>\r\n<form th:action="@{\/logout}" method="post">\r\n\t<input type="submit" value="\u30ed\u30b0\u30a2\u30a6\u30c8" \/>\r\n<\/form>\r\n\r\n<hr \/>\r\n<table>\r\n\t<tr>\r\n\t\t<th>\u540d\u524d<\/th><th>\u65e5\u6642<\/th><th>\u6295\u7a3f\u5185\u5bb9<\/th>\r\n\t<\/tr>\r\n\t<tr th:each="obj : ${datalist}">\r\n\t\t<td th:text="${obj.profile.username}"><\/td>\r\n\t\t<td th:text="${obj.time}"><\/td>\r\n\t\t<td th:text="${obj.content}"><\/td>\r\n\t<\/tr>\r\n<\/table>\r\n\r\n<\/body>\r\n<\/html>\r\n<\/pre>\n\n<\/div>","protected":false},"excerpt":{"rendered":"\u30c4\u30a4\u30fc\u30c8\u3092\u6295\u7a3f\u3059\u308b\u51e6\u7406\u306e\u5b9f\u88c5 MyController.java \u3069\u306e\u3088\u3046\u306a\u60c5\u5831\u304cTweet\u306b\u5165\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001Tweet\u306btoString()\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002 Tweet.java \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u304b\u3089Twe … “9\u670812\u65e5” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/341"}],"collection":[{"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=341"}],"version-history":[{"count":7,"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/341\/revisions"}],"predecessor-version":[{"id":348,"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/341\/revisions\/348"}],"wp:attachment":[{"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2019se3.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}