{"id":52,"date":"2018-12-04T13:48:41","date_gmt":"2018-12-04T05:48:41","guid":{"rendered":"http:\/\/www.anthonylee.cn\/myblog\/?p=52"},"modified":"2018-12-04T13:48:41","modified_gmt":"2018-12-04T05:48:41","slug":"spring%e4%b8%ad%e6%b3%a8%e8%a7%a3%e7%9a%84%e5%ae%9e%e7%8e%b0%e5%8e%9f%e7%90%86-autowired%e5%92%8cresource%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"http:\/\/www.anthonylee.cn\/myblog\/?p=52","title":{"rendered":"Spring\u4e2d\u6ce8\u89e3\u7684\u5b9e\u73b0\u539f\u7406-Autowired\u548cResource\u7684\u533a\u522b"},"content":{"rendered":"

\u4e00\u3001Autowired\u548cResource\u7684\u533a\u522b<\/strong><\/p>\n

@Autowired\u548c@Resource\u7684\u533a\u522b:\u5728Java\u4e2d\u4f7f\u7528@Autowired\u548c@Resource\u6ce8\u89e3\u8fdb\u884c\u88c5\u914d,\u8fd9\u4e24\u4e2a\u6ce8\u89e3\u5206\u522b\u662f:1\u3001@Autowired\u6309\u7167\u9ed8\u8ba4\u7c7b\u578b(\u7c7b\u540d\u79f0)\u88c5\u914d\u4f9d\u8d56\u5bf9\u8c61,\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5b83\u8981\u6c42\u4f9d\u8d56\u5bf9\u8c61\u5fc5\u987b\u5b58\u5728,\u5982\u679c\u5141\u8bb8\u4e3anull,\u53ef\u4ee5\u8bbe\u7f6e\u5b83\u7684required\u5c5e\u6027\u4e3afalse\u5982\u679c\u6211\u4eec\u6309\u540d\u79f0\u88c5\u914d,\u53ef\u4ee5\u7ed3\u5408@Qualifie\u6ce8\u89e3\u4e00\u8d77\u4f7f\u7528\u3002\u5982:<\/p>\n

@Autowired@qualifie(\u201cpersonDaoBean\u201d) private PersonDao beanPerson<\/p>\n

@Autowired\u548c@Resource\u7684\u533a\u522b:<\/p>\n

\u5728Java\u4e2d\u4f7f\u7528@Autowired\u548c@Resource\u6ce8\u89e3\u8fdb\u884c\u88c5\u914d,\u8fd9\u4e24\u4e2a\u6ce8\u89e3\u5206\u522b\u662f:<\/p>\n

1\u3001@Autowired\u6309\u7167\u9ed8\u8ba4\u7c7b\u578b(\u7c7b\u540d\u79f0)\u88c5\u914d\u4f9d\u8d56\u5bf9\u8c61,\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5b83\u8981\u6c42\u4f9d\u8d56\u5bf9\u8c61\u5fc5\u987b\u5b58\u5728,\u5982\u679c\u5141\u8bb8\u4e3anull,\u53ef\u4ee5\u8bbe\u7f6e\u5b83\u7684required\u5c5e\u6027\u4e3afalse<\/p>\n

\u5982\u679c\u6211\u4eec\u6309\u540d\u79f0\u88c5\u914d,\u53ef\u4ee5\u7ed3\u5408@Qualifie\u6ce8\u89e3\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n

\u5982:<\/p>\n

@Autowired @qualifie(\u201cpersonDaoBean\u201d)<\/p>\n

private PersonDaoBean personDaoBean;<\/p>\n

@Resource\u9ed8\u8ba4\u6309\u7167\u540d\u79f0(name=\u201dtest\u201d)\u8fdb\u884c\u88c5\u914d,\u540d\u79f0\u53ef\u4ee5\u901a\u8fc7@resource\u7684name\u5c5e\u6027\u8bbe\u5b9a,\u5f53\u627e\u4e0d\u5230\u4e0e\u540d\u79f0\u5339\u914d\u7684bean\u624d\u4f1a\u6309\u7c7b\u578b\u88c5\u914d<\/p>\n

\u6ce8\u610f:\u5982\u679c\u6ca1\u6709\u6307\u5b9aname\u5c5e\u6027,\u5e76\u4e14\u5b89\u88c5\u9ed8\u8ba4\u7684\u540d\u79f0\u4f9d\u7136\u627e\u4e0d\u5230\u4f9d\u8d56\u5bf9\u8c61\u65f6,@Resource\u4f1a\u56de\u9000\u5230\u6309\u7c7b\u578b\u88c5\u914d\u3002\u4f46\u4e00\u65e6\u6307\u5b9a\u4e86name\u5c5e\u6027,\u5c31\u53ea\u80fd\u6309\u540d\u79f0\u88c5\u914d\u4e86\u3002<\/p>\n

\"Spring\u4e2d\u6ce8\u89e3\u7684\u5b9e\u73b0\u539f\u7406-Autowired\u548cResource\u7684\u533a\u522b\"<\/div>\n

\u4e8c\u3001\u6ce8\u89e3\u539f\u7406<\/strong><\/p>\n

Spring\u5bf9\u6ce8\u89e3\u7684\u652f\u6301\u4e3b\u8981\u90fd\u662f\u901a\u8fc7\u53cd\u5c04\u6765\u83b7\u53d6\u76f8\u5e94\u7684\u6ce8\u89e3\uff0c\u6765\u505a\u76f8\u5e94\u7684\u5904\u7406\uff0c\u6211\u4eec\u7684\u5de5\u7a0b\u4e2d\u5927\u90e8\u5206\u90fd\u662f\u4f7f\u7528@Service \u548c@Autowired\u6765\u4f7f\u7528\uff0c\u5176\u5b9e\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5230\u5176\u4ed6\u7684\u6ce8\u89e3\u6765\u52a0\u5feb\u6211\u4eec\u7684\u5f00\u53d1\uff0c\u6ee1\u8db3\u6211\u4eec\u7684\u591a\u6837\u6027\u9700\u6c42\u3002<\/p>\n

annotation\u662f\u633a\u7b80\u5355\u7684\u4e1c\u897f.\u5176\u5b9e\u5c31\u662f\u4e2a\u58f0\u660e\u3002\u7136\u540e\u901a\u8fc7\u53cd\u5c04\u53bb\u53d6\u90a3\u4e9b\u58f0\u660e\u4e86\u503c\u3002<\/p>\n

autowire\u5176\u5b9e\u4e5f\u662f\u8fd9\u4e2a\u610f\u601d\u3002\u901a\u8fc7\u53cd\u5c04\u53bb\u770b\u4f60autowire\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u5b9a\u4e49\u7684\u65b9\u5f0f\uff0c\u53bb\u7ed9\u4f60\u58f0\u660e\u7684\u53d8\u91cf\u8d4b\u503c\u3002<\/p>\n

\u901a\u8fc7java\u7684\u53cd\u5c04\u673a\u5236\u76f8\u5173\u7684API\u6765\u8bbf\u95eeAnnotation\u4fe1\u606f\u3002<\/p>\n

\u76f8\u5173\u7c7b\uff08\u6846\u67b6\u6216\u5de5\u5177\u4e2d\u7684\u7c7b\uff09\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u6765\u51b3\u5b9a\u5982\u4f55\u4f7f\u7528\u8be5\u7a0b\u5e8f\u5143\u7d20\u6216\u6539\u53d8\u5b83\u4eec\u7684\u884c\u4e3a\u3002<\/p>\n

Java\u8bed\u8a00\u89e3\u91ca\u5668\u5728\u5de5\u4f5c\u65f6\u4f1a\u5ffd\u7565\u8fd9\u4e9bAnnotation\uff0c\u56e0\u6b64\u5728JVM\u4e2d\u8fd9\u4e9bAnnotation\u662f\u201c\u4e0d\u8d77\u4f5c\u7528\u201d\u7684\uff0c\u53ea\u80fd\u901a\u8fc7\u914d\u5957\u7684\u5de5\u5177\u624d\u80fd\u5bf9\u8fd9\u4e9bAnnotation\u7c7b\u578b\u7684\u4fe1\u606f\u8fdb\u884c\u8bbf\u95ee\u548c\u5904\u7406\u3002<\/p>\n

\u6ce8\u89e3\u672c\u8eab\u4e0d\u505a\u4efb\u4f55\u4e8b\u60c5\uff0c\u53ea\u662f\u50cfxml\u6587\u4ef6\u4e00\u6837\u8d77\u5230\u914d\u7f6e\u4f5c\u7528\u3002<\/p>\n

\u6ce8\u89e3\u4ee3\u8868\u7684\u662f\u67d0\u79cd\u4e1a\u52a1\u610f\u4e49\uff0c\u6ce8\u89e3\u80cc\u540e\u5904\u7406\u5668\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0a\u6e90\u7801\u5b9e\u73b0\uff1a<\/p>\n

\u2014\u2014\u9996\u5148\u89e3\u6790\u6240\u6709\u5c5e\u6027\uff0c\u5224\u65ad\u5c5e\u6027\u4e0a\u662f\u5426\u5b58\u5728\u6307\u5b9a\u6ce8\u89e3\u3002<\/p>\n

\u2014\u2014\u5982\u679c\u5b58\u5728\u5219\u6839\u636e\u641c\u7d22\u89c4\u5219\u53d6\u5f97bean\uff0c\u7136\u540e\u5229\u7528\u53cd\u5c04\u539f\u7406\u6ce8\u5165\u3002<\/p>\n

\u2014\u2014\u5982\u679c\u6807\u6ce8\u5728\u5b57\u6bb5\u4e0a\u9762\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5b57\u6bb5\u7684\u53cd\u5c04\u6280\u672f\u53d6\u5f97\u6ce8\u89e3\uff0c\u6839\u636e\u641c\u7d22\u89c4\u5219\u53d6\u5f97bean\uff0c\u7136\u540e\u5229\u7528\u53cd\u5c04\u6280\u672f\u6ce8\u5165\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001Autowired\u548cResource\u7684\u533a\u522b @Autowired\u548c@Resource\u7684\u533a\u522b:\u5728J… \u7ee7\u7eed\u9605\u8bfb Spring\u4e2d\u6ce8\u89e3\u7684\u5b9e\u73b0\u539f\u7406-Autowired\u548cResource\u7684\u533a\u522b<\/span><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/52"}],"collection":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=52"}],"version-history":[{"count":1,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/52\/revisions"}],"predecessor-version":[{"id":53,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=\/wp\/v2\/posts\/52\/revisions\/53"}],"wp:attachment":[{"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=52"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=52"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.anthonylee.cn\/myblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}