{"id":112157,"date":"2024-03-22T19:35:32","date_gmt":"2024-03-22T10:35:32","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/mybatis-plus-%e8%bf%94%e5%9b%9e%e5%80%bc%e7%9a%84%e7%b1%bb%e5%9e%8b%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/"},"modified":"2024-03-28T07:56:40","modified_gmt":"2024-03-27T22:56:40","slug":"mybatis-plus-%e8%bf%94%e5%9b%9e%e5%80%bc%e7%9a%84%e7%b1%bb%e5%9e%8b%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/mybatis-plus-%e8%bf%94%e5%9b%9e%e5%80%bc%e7%9a%84%e7%b1%bb%e5%9e%8b%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f\/","title":{"rendered":"mybatis-plus \u8fd4\u56de\u503c\u7684\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u30de\u30a4Batis Plus \u3067\u6587\u5b57\u5217\u3092\u8fd4\u3059\u65b9\u6cd5\u306f\u69d8\u3005\u3067\u3001\u5229\u7528\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \n
  1. selectOne()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5358\u4e00\u306eString\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\uff1a<\/li>\n<\/ol>\n
    String<\/span> result<\/span> =<\/span> mapper.selectOne(queryWrapper).toString();\r\n<\/code><\/pre>\n
      \n
    1. selectList()\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u7528\uff1aselectList()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8907\u6570\u306eString\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u542b\u3080List\u3092\u8fd4\u305b\u307e\u3059\u3002\u4f8b\uff1a<\/li>\n<\/ol>\n
      List<String> resultList = mapper.selectList(queryWrapper).stream().map(Object::toString).collect(Collectors.toList());\r\n<\/code><\/pre>\n
        \n
      1. selectMaps()\u30e1\u30bd\u30c3\u30c9\u306e\u5229\u7528\uff1aselectMaps()\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u306eString\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u683c\u7d0d\u3057\u305fList<Map<String, Object>>\u304c\u8fd4\u305b\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<\/li>\n<\/ol>\n
        List<Map<String, Object>> resultMapList = mapper.selectMaps(queryWrapper);\r\nList<String> resultList = resultMapList.stream().map(map -> map.get(\"columnName\"<\/span>).toString()).collect(Collectors.toList());\r\n<\/code><\/pre>\n
        \u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u3001\u4ed6\u306b\u3082\u3063\u3068\u9069\u3057\u305f\u65b9\u6cd5\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u30de\u30a4Batis Plus \u3067\u6587\u5b57\u5217\u3092\u8fd4\u3059\u65b9\u6cd5\u306f\u69d8\u3005\u3067\u3001\u5229\u7528\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002 selectOne()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5358\u4e00\u306eString\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\uff1a String resu […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-112157","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nmybatis-plus \u8fd4\u56de\u503c\u7684\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/mybatis-plus-\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"mybatis-plus \u8fd4\u56de\u503c\u7684\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f\" \/>\n<meta property=\"og:description\" content=\"\u30de\u30a4Batis Plus \u3067\u6587\u5b57\u5217\u3092\u8fd4\u3059\u65b9\u6cd5\u306f\u69d8\u3005\u3067\u3001\u5229\u7528\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002 selectOne()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5358\u4e00\u306eString\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\uff1a String resu […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/mybatis-plus-\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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