{"id":20,"date":"2021-11-11T16:09:44","date_gmt":"2021-11-11T07:09:44","guid":{"rendered":"https:\/\/kpc2021.satoshis.jp\/?p=20"},"modified":"2021-11-18T16:15:58","modified_gmt":"2021-11-18T07:15:58","slug":"musicplayer%e3%82%92web%e3%82%a2%e3%83%97%e3%83%aa%e3%81%ab%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/kpc2021.satoshis.jp\/?p=20","title":{"rendered":"MusicPlayer\u3092Web\u30a2\u30d7\u30ea\u306b\u3059\u308b"},"content":{"rendered":"

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7528\u610f\u3059\u308b<\/h3>\n

\u914d\u5e03\u30d5\u30a9\u30eb\u30c0\u306e hsqldb \u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u81ea\u5206\u306e\u9818\u57df\u306b\u4fdd\u5b58\u3059\u308b\u3002<\/p>\n

bin \u30d5\u30a9\u30eb\u30c0\u306e runServer.bat \u3092\u30b3\u30d4\u30fc\u3057\u3066 runServerMp.bat \u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n

\r\ncd ..\\data\r\n@java -classpath ..\/lib\/hsqldb.jar org.hsqldb.server.Server --database.0 db\/mp --dbname.0 mp\r\n<\/pre>\n
runServerMp.bat \u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u753b\u9762\u304c\u958b\u3044\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\u304c\u8d77\u52d5\u3059\u308b\u3002<\/p>\n
bin \u30d5\u30a9\u30eb\u30c0\u306e runManager.bat \u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3059\u308b\u3002
\nConnect\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u306e\u3067\u3001Type \u3067 HSQL Database Engine Server \u3092\u9078\u629e\u3057\u3001
\nURL \u306e\u6700\u5f8c\u306b mp \u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002<\/p>\n
MusicPlayer\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210<\/h3>\n
\u65b0\u898f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n
\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u7a2e\u985e\u306f\u3001Spring\u30b9\u30bf\u30fc\u30bf\u30fc\u30fb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8
\n\u540d\u524d: MusicPlayer
\n\u30b0\u30eb\u30fc\u30d7: jp.kpc
\n\u6210\u679c\u7269: MusicPlayer
\n\u30d1\u30c3\u30b1\u30fc\u30b8: jp.kpc<\/p>\n
\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4f9d\u5b58\u95a2\u4fc2\u3067\u3001\u4ee5\u4e0b\u306e\u3082\u306e\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
    \n
  • HyperSQL Database<\/li>\n
  • Spring Data JPA<\/li>\n
  • Spring Web<\/li>\n
  • Thymeleaf<\/li>\n<\/ul>\n
    pom.xml\u3092\u4fee\u6b63<\/h3>\n
    pom.xml \u3092\u958b\u3044\u30668\u884c\u76ee\u306e 2.5.6 \u3092 2.2.1.RELEASE \u306b\u5909\u66f4\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3002<\/p>\n
    \u81ea\u4f5cHTML\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b<\/h3>\n
    URL=\u201d\/\u201d \u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3068\u304d\u306b\u4f55\u304b\u3092\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n
    IndexController\u3092\u4f5c\u6210\u3059\u308b\u3002
    \nsrc\/main\/java \u306e\u4e2d\u306b\u3042\u308b jp.kpc \u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057[\u65b0\u898f]-[\u30af\u30e9\u30b9]\u3092\u9078\u629e\u3059\u308b\u3002
    \n\u540d\u524d\u306b\u300cIndexController\u300d\u3068\u5165\u529b\u3057\u300c\u5b8c\u4e86\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002<\/p>\n
    SpringBoot \u306b\u5bfe\u3057\u3066\u3001\u3053\u306e\u30af\u30e9\u30b9\u304c\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u3042\u308b\u3053\u3068\u3092\u6559\u3048\u308b\u305f\u3081\u306b\u3001@Controller \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3059\u308b\u3002
    \npublic class \u306e\u524d\u306e\u884c\u3067\u300c@Cont\u300d\u3092\u5165\u529b\u3057\u3066Ctrl+\u30b9\u30da\u30fc\u30b9\u3092\u5165\u529b\u3059\u308b\u3068\u5019\u88dc\u304c\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3055\u308c\u308b\u3002
    \norg.springframework.stereotype \u306eController\u3092\u9078\u629e\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport org.springframework.stereotype.Controller;\r\nimport org.springframework.web.bind.annotation.RequestMapping;\r\n\r\n@Controller\r\npublic class IndexController {\r\n\t@RequestMapping("\/")\r\n\tpublic String index() {\r\n\t\treturn "index";\r\n\t}\r\n\r\n}\r\n<\/pre>\n
    HTML\u3092\u7528\u610f\u3059\u308b<\/h3>\n
    src\/main\/resources \u306e\u4e0b\u306b\u3042\u308b templates \u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066[\u65b0\u898f]-[\u305d\u306e\u4ed6]\u3092\u9078\u629e\u3059\u308b\u3002
    \n\u300cHTML\u30d5\u30a1\u30a4\u30eb\u300d\u3092\u9078\u629e\u3057\u300c\u6b21\u3078\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002
    \n\u30d5\u30a1\u30a4\u30eb\u540d\u3092 index.html \u306b\u3057\u3066\u300c\u6b21\u3078\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002
    \n\u300c\u65b0\u898fHTML\u30d5\u30a1\u30a4\u30eb(5)\u300d\u3092\u9078\u629e\u3057\u3066\u300c\u5b8c\u4e86\u300d\u3092\u30af\u30ea\u30c3\u30af\u3002<\/p>\n
    index.html<\/p>\n
    \r\n<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<meta charset="UTF-8">\r\n<title>MusicPlayer<\/title>\r\n<\/head>\r\n<body>\r\n\r\n<h1>MusicPlayer<\/h1>\r\n\r\n<\/body>\r\n<\/html>\r\n<\/pre>\n
    SpringBoot \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u8d77\u52d5\u3057\u3066 http:\/\/localhost:8080\/ \u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u300cMusicPlayer\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3002<\/p>\n
    \u5165\u529b\u30d5\u30a9\u30fc\u30e0\u3092\u8ffd\u52a0<\/h3>\n
    index.html \u306b\u3001\u97f3\u697d\u3092\u767b\u9332\u3059\u308b\u305f\u3081\u306e\u5165\u529b\u30d5\u30a9\u30fc\u30e0\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
    \r\n<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<meta charset="UTF-8">\r\n<title>MusicPlayer<\/title>\r\n<\/head>\r\n<body>\r\n\r\n<h1>MusicPlayer<\/h1>\r\n\r\n<h3>\u66f2\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\r\n<form action="\/addmusic" method="post">\r\n\t<table>\r\n\t\t<tr>\r\n\t\t\t<td>\u30bf\u30a4\u30c8\u30eb<\/td>\r\n\t\t\t<td><input type="text" name="title" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td>\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8<\/td>\r\n\t\t\t<td><input type="text" name="artist" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td><\/td>\r\n\t\t\t<td><input type="submit" value="\u8ffd\u52a0" \/>\r\n\t\t<\/td>\r\n\t<\/table>\r\n<\/form>\r\n\r\n<\/body>\r\n<\/html>\r\n<\/pre>\n
    SpringBoot \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u8d77\u52d5\u3057\u3066 http:\/\/localhost:8080\/ \u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u5165\u529b\u30d5\u30a9\u30fc\u30e0\u304c\u8868\u793a\u3055\u308c\u308b\u3002<\/p>\n
    \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306bMusic\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u3001Music\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport javax.persistence.Entity;\r\n\r\n@Entity\r\npublic class Music {\r\n\tprivate long id;\r\n\tprivate String title;\r\n\tprivate String artist;\r\n\tpublic long getId() {\r\n\t\treturn id;\r\n\t}\r\n\tpublic void setId(long id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\tpublic String getTitle() {\r\n\t\treturn title;\r\n\t}\r\n\tpublic void setTitle(String title) {\r\n\t\tthis.title = title;\r\n\t}\r\n\tpublic String getArtist() {\r\n\t\treturn artist;\r\n\t}\r\n\tpublic void setArtist(String artist) {\r\n\t\tthis.artist = artist;\r\n\t}\r\n}\r\n<\/pre>\n
    SpringBoot\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u3001\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ab\u30e9\u30e0\u3067\u3042\u308b\u3053\u3068\u3092\u77e5\u3089\u305b\u308b\u305f\u3081\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport javax.persistence.Column;\r\nimport javax.persistence.Entity;\r\nimport javax.persistence.GeneratedValue;\r\nimport javax.persistence.Id;\r\nimport javax.validation.constraints.NotEmpty;\r\nimport javax.validation.constraints.NotNull;\r\n\r\n@Entity\r\npublic class Music {\r\n\t@Id\r\n\t@GeneratedValue\r\n\t@Column\r\n\t@NotNull\r\n\tprivate long id;\r\n\r\n\t@Column\r\n\t@NotEmpty\r\n\tprivate String title;\r\n\r\n\t@Column\r\n\t@NotEmpty\r\n\tprivate String artist;\r\n\r\n\tpublic long getId() {\r\n\t\treturn id;\r\n\t}\r\n\tpublic void setId(long id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\tpublic String getTitle() {\r\n\t\treturn title;\r\n\t}\r\n\tpublic void setTitle(String title) {\r\n\t\tthis.title = title;\r\n\t}\r\n\tpublic String getArtist() {\r\n\t\treturn artist;\r\n\t}\r\n\tpublic void setArtist(String artist) {\r\n\t\tthis.artist = artist;\r\n\t}\r\n}\r\n<\/pre>\n
    MusicRepository \u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n
    jp.kpc \u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066[\u65b0\u898f]-[\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9] \u3092\u9078\u629e\u3059\u308b\u3002<\/p>\n
    \u540d\u524d\u306f MusicRepository \u3092\u6307\u5b9a\u3002
    \n\u62e1\u5f35\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u53f3\u306e\u8ffd\u52a0\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001JpaRepository \u3092\u9078\u629e\u3057\u3066OK\u3059\u308b\u3002
    \nextends JpaRepository \u306e T \u3092 Music \u306b\u3001ID \u3092 Long \u306b\u4fee\u6b63\u3059\u308b\u3068\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport org.springframework.data.jpa.repository.JpaRepository;\r\n\r\npublic interface MusicRepository extends JpaRepository<Music, Long> {\r\n\r\n}\r\n<\/pre>\n
    \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u63a5\u7d9a\u8a2d\u5b9a\u3092 application.properties \u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n
    \r\nspring.datasource.url=jdbc:hsqldb:hsql:\/\/localhost\/mp\r\nspring.datasource.username=SA\r\nspring.datasource.password=\r\nspring.datasource.driver-class-name=org.hsqldb.jdbc.JDBCDriver\r\nspring.jpa.hibernate.ddl-auto=update\r\n<\/pre>\n
    IndexController \u306b\u3001URL \/addmusic \u306b\u5bfe\u3059\u308bPOST\u30e1\u30bd\u30c3\u30c9\u3067\u306e\u30a2\u30af\u30bb\u30b9\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport org.springframework.stereotype.Controller;\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 IndexController {\r\n\t@RequestMapping("\/")\r\n\tpublic String index() {\r\n\t\treturn "index";\r\n\t}\r\n\r\n\t@RequestMapping(value="\/addmusic", method=RequestMethod.POST)\r\n\tpublic ModelAndView addMusic(ModelAndView mav,\r\n\t\t\t@RequestParam("title") String title,\r\n\t\t\t@RequestParam("artist") String artist) {\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n}\r\n<\/pre>\n
    MusicRepository\u3092\u4f7f\u7528\u3057\u3066\u3001Music\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.stereotype.Controller;\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 IndexController {\r\n\r\n\t@Autowired\r\n\tprivate MusicRepository repository;\r\n\r\n\t@RequestMapping("\/")\r\n\tpublic String index() {\r\n\t\treturn "index";\r\n\t}\r\n\r\n\t@RequestMapping(value="\/addmusic", method=RequestMethod.POST)\r\n\tpublic ModelAndView addMusic(ModelAndView mav,\r\n\t\t\t@RequestParam("title") String title,\r\n\t\t\t@RequestParam("artist") String artist) {\r\n\t\tSystem.out.println("title=" + title + ", artist=" + artist);\r\n\t\tMusic music = new Music();\r\n\t\tmusic.setTitle(title);\r\n\t\tmusic.setArtist(artist);\r\n\t\trepository.saveAndFlush(music);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n}\r\n<\/pre>\n
    index.html \u306b\u3001Music\u30ea\u30b9\u30c8\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>MusicPlayer<\/title>\r\n<\/head>\r\n<body>\r\n\r\n<h1>MusicPlayer<\/h1>\r\n<h3>Music\u30ea\u30b9\u30c8<\/h3>\r\n<table>\r\n\t<tr>\r\n\t\t<th>ID<\/th>\r\n\t\t<th>\u30bf\u30a4\u30c8\u30eb<\/th>\r\n\t\t<th>\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8<\/th>\r\n\t<\/tr>\r\n\t<tr th:each="music : ${list}">\r\n\t\t<td th:text="${music.id}"><\/td>\r\n\t\t<td th:text="${music.title}"><\/td>\r\n\t\t<td th:text="${music.artist}"><\/td>\r\n\t<\/tr>\r\n<\/table>\r\n\r\n\r\n<h3>\u66f2\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\r\n<form action="\/addmusic" method="post">\r\n\t<table>\r\n\t\t<tr>\r\n\t\t\t<td>\u30bf\u30a4\u30c8\u30eb<\/td>\r\n\t\t\t<td><input type="text" name="title" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td>\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8<\/td>\r\n\t\t\t<td><input type="text" name="artist" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td><\/td>\r\n\t\t\t<td><input type="submit" value="\u8ffd\u52a0" \/>\r\n\t\t<\/td>\r\n\t<\/table>\r\n<\/form>\r\n\r\n<\/body>\r\n<\/html>\r\n<\/pre>\n
    IndexController\u304b\u3089\u3001Music\u30ea\u30b9\u30c8\u3092\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u6e21\u3059\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport java.util.List;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.stereotype.Controller;\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 IndexController {\r\n\r\n\t@Autowired\r\n\tprivate MusicRepository repository;\r\n\r\n\t@RequestMapping("\/")\r\n\tpublic ModelAndView index(ModelAndView mav) {\r\n\t\tmav.setViewName("index");\r\n\t\tList<Music> list = repository.findAll();\r\n\t\tmav.addObject("list", list);\r\n\t\treturn mav;\r\n\t}\r\n\r\n\t@RequestMapping(value="\/addmusic", method=RequestMethod.POST)\r\n\tpublic ModelAndView addMusic(ModelAndView mav,\r\n\t\t\t@RequestParam("title") String title,\r\n\t\t\t@RequestParam("artist") String artist) {\r\n\t\tSystem.out.println("title=" + title + ", artist=" + artist);\r\n\t\tMusic music = new Music();\r\n\t\tmusic.setTitle(title);\r\n\t\tmusic.setArtist(artist);\r\n\t\trepository.saveAndFlush(music);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n}\r\n<\/pre>\n
    \u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u3092\u8ffd\u52a0\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>MusicPlayer<\/title>\r\n<\/head>\r\n<body>\r\n\r\n<h1>MusicPlayer<\/h1>\r\n<h3>Music\u30ea\u30b9\u30c8<\/h3>\r\n<table>\r\n\t<tr>\r\n\t\t<th>ID<\/th>\r\n\t\t<th>\u30bf\u30a4\u30c8\u30eb<\/th>\r\n\t\t<th>\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8<\/th>\r\n\t<\/tr>\r\n\t<tr th:each="music : ${list}">\r\n\t\t<td th:text="${music.id}"><\/td>\r\n\t\t<td th:text="${music.title}"><\/td>\r\n\t\t<td th:text="${music.artist}"><\/td>\r\n\t<\/tr>\r\n<\/table>\r\n\r\n\r\n\r\n<h3>\u66f2\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\r\n<form action="\/addmusic" method="post">\r\n\t<table>\r\n\t\t<tr>\r\n\t\t\t<td>\u30bf\u30a4\u30c8\u30eb<\/td>\r\n\t\t\t<td><input type="text" name="title" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td>\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8<\/td>\r\n\t\t\t<td><input type="text" name="artist" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td><\/td>\r\n\t\t\t<td><input type="submit" value="\u8ffd\u52a0" \/>\r\n\t\t<\/td>\r\n\t<\/table>\r\n<\/form>\r\n\r\n<h3>\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\r\n<form action="\/addplaylist" method="post">\r\n\t<table>\r\n\t\t<tr>\r\n\t\t\t<td>\u540d\u524d<\/td>\r\n\t\t\t<td><input type="text" name="name" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td><\/td>\r\n\t\t\t<td><input type="submit" value="\u8ffd\u52a0" \/>\r\n\t\t<\/td>\r\n\t<\/table>\r\n<\/form>\r\n\r\n\r\n<\/body>\r\n<\/html>\r\n<\/pre>\n
    PlayList\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport javax.persistence.Column;\r\nimport javax.persistence.Entity;\r\nimport javax.persistence.GeneratedValue;\r\nimport javax.persistence.Id;\r\nimport javax.validation.constraints.NotEmpty;\r\nimport javax.validation.constraints.NotNull;\r\n\r\n@Entity\r\npublic class PlayList {\r\n\t@Id\r\n\t@GeneratedValue\r\n\t@Column\r\n\t@NotNull\r\n\tprivate long id;\r\n\r\n\t@Column\r\n\t@NotEmpty\r\n\tprivate String name;\r\n\r\n\tpublic long getId() {\r\n\t\treturn id;\r\n\t}\r\n\tpublic void setId(long id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\tpublic String getName() {\r\n\t\treturn name;\r\n\t}\r\n\tpublic void setName(String name) {\r\n\t\tthis.name = name;\r\n\t}\r\n}\r\n<\/pre>\n
    PlayListRepository \u3092\u3001MusicRepository\u540c\u69d8\u306b\u4f5c\u6210\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport org.springframework.data.jpa.repository.JpaRepository;\r\n\r\npublic interface PlayListRepository extends JpaRepository<PlayList, Long> {\r\n\r\n}\r\n<\/pre>\n
    IndexController \u3067\u3001\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u306e\u8ffd\u52a0\u3092\u53d7\u3051\u53d6\u3063\u3066DB\u306b\u4fdd\u5b58\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport java.util.List;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.stereotype.Controller;\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 IndexController {\r\n\r\n\t@Autowired\r\n\tprivate MusicRepository musicRepository;\r\n\r\n\t@Autowired\r\n\tprivate PlayListRepository playListRepository;\r\n\r\n\t@RequestMapping("\/")\r\n\tpublic ModelAndView index(ModelAndView mav) {\r\n\t\tmav.setViewName("index");\r\n\t\tList<Music> list = musicRepository.findAll();\r\n\t\tmav.addObject("list", list);\r\n\t\treturn mav;\r\n\t}\r\n\r\n\t@RequestMapping(value="\/addmusic", method=RequestMethod.POST)\r\n\tpublic ModelAndView addMusic(ModelAndView mav,\r\n\t\t\t@RequestParam("title") String title,\r\n\t\t\t@RequestParam("artist") String artist) {\r\n\t\tSystem.out.println("title=" + title + ", artist=" + artist);\r\n\t\tMusic music = new Music();\r\n\t\tmusic.setTitle(title);\r\n\t\tmusic.setArtist(artist);\r\n\t\tmusicRepository.saveAndFlush(music);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n\r\n\t@RequestMapping(value="\/addplaylist", method=RequestMethod.POST)\r\n\tpublic ModelAndView addPlayList(ModelAndView mav,\r\n\t\t\t@RequestParam("name") String name) {\r\n\t\tPlayList playList = new PlayList();\r\n\t\tplayList.setName(name);\r\n\t\tplayListRepository.saveAndFlush(playList);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n}\r\n<\/pre>\n
    index.html \u306b\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u306e\u4e00\u89a7\u3092\u8868\u793a\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>MusicPlayer<\/title>\r\n<\/head>\r\n<body>\r\n\r\n<h1>MusicPlayer<\/h1>\r\n<h3>Music\u30ea\u30b9\u30c8<\/h3>\r\n<table>\r\n\t<tr>\r\n\t\t<th>ID<\/th>\r\n\t\t<th>\u30bf\u30a4\u30c8\u30eb<\/th>\r\n\t\t<th>\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8<\/th>\r\n\t<\/tr>\r\n\t<tr th:each="music : ${musics}">\r\n\t\t<td th:text="${music.id}"><\/td>\r\n\t\t<td th:text="${music.title}"><\/td>\r\n\t\t<td th:text="${music.artist}"><\/td>\r\n\t<\/tr>\r\n<\/table>\r\n\r\n<h3>\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8<\/h3>\r\n<table>\r\n\t<tr>\r\n\t\t<th>ID<\/th>\r\n\t\t<th>\u540d\u524d<\/th>\r\n\t<\/tr>\r\n\t<tr th:each="playlist : ${playlists}">\r\n\t\t<td th:text="${playlist.id}"><\/td>\r\n\t\t<td th:text="${playlist.name}"><\/td>\r\n\t<\/tr>\r\n<\/table>\r\n\r\n\r\n<h3>\u66f2\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\r\n<form action="\/addmusic" method="post">\r\n\t<table>\r\n\t\t<tr>\r\n\t\t\t<td>\u30bf\u30a4\u30c8\u30eb<\/td>\r\n\t\t\t<td><input type="text" name="title" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td>\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8<\/td>\r\n\t\t\t<td><input type="text" name="artist" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td><\/td>\r\n\t\t\t<td><input type="submit" value="\u8ffd\u52a0" \/>\r\n\t\t<\/td>\r\n\t<\/table>\r\n<\/form>\r\n\r\n<h3>\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\r\n<form action="\/addplaylist" method="post">\r\n\t<table>\r\n\t\t<tr>\r\n\t\t\t<td>\u540d\u524d<\/td>\r\n\t\t\t<td><input type="text" name="name" \/><\/td>\r\n\t\t<\/tr>\r\n\t\t<tr>\r\n\t\t\t<td><\/td>\r\n\t\t\t<td><input type="submit" value="\u8ffd\u52a0" \/>\r\n\t\t<\/td>\r\n\t<\/table>\r\n<\/form>\r\n\r\n\r\n<\/body>\r\n<\/html>\r\n<\/pre>\n
    IndexController \u3067\u3001\u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u306e\u4e00\u89a7\u3092\u53d6\u5f97\u3057\u3066\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u6e21\u3059\u3002<\/p>\n
    \r\npackage jp.kpc;\r\n\r\nimport java.util.List;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.stereotype.Controller;\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 IndexController {\r\n\r\n\t@Autowired\r\n\tprivate MusicRepository musicRepository;\r\n\r\n\t@Autowired\r\n\tprivate PlayListRepository playListRepository;\r\n\r\n\t@RequestMapping("\/")\r\n\tpublic ModelAndView index(ModelAndView mav) {\r\n\t\tmav.setViewName("index");\r\n\t\tList<Music> musics = musicRepository.findAll();\r\n\t\tmav.addObject("musics", musics);\r\n\t\tList<PlayList> playlists = playListRepository.findAll();\r\n\t\tmav.addObject("playlists", playlists);\r\n\t\treturn mav;\r\n\t}\r\n\r\n\t@RequestMapping(value="\/addmusic", method=RequestMethod.POST)\r\n\tpublic ModelAndView addMusic(ModelAndView mav,\r\n\t\t\t@RequestParam("title") String title,\r\n\t\t\t@RequestParam("artist") String artist) {\r\n\t\tSystem.out.println("title=" + title + ", artist=" + artist);\r\n\t\tMusic music = new Music();\r\n\t\tmusic.setTitle(title);\r\n\t\tmusic.setArtist(artist);\r\n\t\tmusicRepository.saveAndFlush(music);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n\r\n\t@RequestMapping(value="\/addplaylist", method=RequestMethod.POST)\r\n\tpublic ModelAndView addPlayList(ModelAndView mav,\r\n\t\t\t@RequestParam("name") String name) {\r\n\t\tPlayList playList = new PlayList();\r\n\t\tplayList.setName(name);\r\n\t\tplayListRepository.saveAndFlush(playList);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n}\r\n<\/pre>\n
    Music\u3092\u524a\u9664\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n
    index.html \u306b\u524a\u9664\u7528\u306e\u30ea\u30f3\u30af\u3092\u914d\u7f6e\u3059\u308b\u3002\u30ea\u30f3\u30af\u306b\u306f\u3001Music\u306eid\u3092\u57cb\u3081\u8fbc\u3093\u3067\u304a\u304f\u3002<\/p>\n
    \r\n<h3>Music\u30ea\u30b9\u30c8<\/h3>\r\n<table>\r\n\t<tr>\r\n\t\t<th>ID<\/th>\r\n\t\t<th>\u30bf\u30a4\u30c8\u30eb<\/th>\r\n\t\t<th>\u30a2\u30fc\u30c6\u30a3\u30b9\u30c8<\/th>\r\n\t\t<th>\u64cd\u4f5c<\/th>\r\n\t<\/tr>\r\n\t<tr th:each="music : ${musics}">\r\n\t\t<td th:text="${music.id}"><\/td>\r\n\t\t<td th:text="${music.title}"><\/td>\r\n\t\t<td th:text="${music.artist}"><\/td>\r\n\t\t<td><a th:href="@{'\/deletemusic\/' + ${music.id}}">\u524a\u9664<\/a><\/td>\r\n\t<\/tr>\r\n<\/table>\r\n<\/pre>\n
    IndexController \u306b\u3001\u524a\u9664\u7528\u30ea\u30f3\u30af\u306b\u5bfe\u5fdc\u3059\u308b\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
    \r\n\t@RequestMapping(value="\/addmusic", method=RequestMethod.POST)\r\n\tpublic ModelAndView addMusic(ModelAndView mav,\r\n\t\t\t@RequestParam("title") String title,\r\n\t\t\t@RequestParam("artist") String artist) {\r\n\t\tSystem.out.println("title=" + title + ", artist=" + artist);\r\n\t\tMusic music = new Music();\r\n\t\tmusic.setTitle(title);\r\n\t\tmusic.setArtist(artist);\r\n\t\tmusicRepository.saveAndFlush(music);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n\r\n\t@RequestMapping(value="\/deletemusic\/{id}", method=RequestMethod.GET)\r\n\tpublic ModelAndView deleteMusic(ModelAndView mav,\r\n\t\t\t@PathVariable long id) {\r\n\t\tmusicRepository.deleteById(id);\r\n\t\treturn new ModelAndView("redirect:\/");\r\n\t}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
    \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7528\u610f\u3059\u308b \u914d\u5e03\u30d5\u30a9\u30eb\u30c0\u306e hsqldb \u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001\u81ea\u5206\u306e\u9818\u57df\u306b\u4fdd\u5b58\u3059\u308b\u3002 bin \u30d5\u30a9\u30eb\u30c0\u306e runServer.bat \u3092\u30b3\u30d4\u30fc\u3057\u3066 runServerMp.bat \u3092\u4f5c\u6210\u3059\u308b\u3002  … <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-20","post","type-post","status-publish","format-standard","hentry","category-springboot"],"views":299,"_links":{"self":[{"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/20","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20"}],"version-history":[{"count":20,"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/20\/revisions"}],"predecessor-version":[{"id":45,"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/20\/revisions\/45"}],"wp:attachment":[{"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kpc2021.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}