{"id":72359,"date":"2024-02-20T17:21:01","date_gmt":"2024-02-20T09:21:01","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=72359"},"modified":"2024-02-20T17:24:27","modified_gmt":"2024-02-20T09:24:27","slug":"java-bean-%e6%98%af%e4%b8%aa%e4%bb%80%e4%b9%88%e6%a6%82%e5%bf%b5-3","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/72359.html","title":{"rendered":"Java bean \u662f\u4e2a\u4ec0\u4e48\u6982\u5ff5"},"content":{"rendered":"

\"Java<\/p>\n

Java Bean\u662f\u4e00\u79cd<\/strong>\u7279\u6b8a\u7684Java\u7c7b\uff0c\u4e3b\u8981\u7528\u4e8e\u5c01\u88c5\u591a\u4e2a\u5bf9\u8c61\u6210\u4e3a\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u9075\u5faa\u7279\u5b9a\u7684\u547d\u540d\u89c4\u5219\u3001\u662f\u53ef\u91cd\u7528\u7684\u7ec4\u4ef6\u3001\u4e14\u53ef\u4ee5\u88ab\u5e8f\u5217\u5316\u3002<\/strong> \u5728Java Bean\u4e2d\uff0c\u6240\u6709\u7684\u6210\u5458\u53d8\u91cf\u901a\u5e38\u8bbe\u4e3a\u79c1\u6709\uff08private\uff09\uff0c\u5e76\u901a\u8fc7\u516c\u5171\uff08public\uff09\u7684getter\u548csetter\u65b9\u6cd5\u5bf9\u5176\u8fdb\u884c\u8bbf\u95ee\u3002\u8fd9\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u88ab\u79f0\u4e3a\u5c01\u88c5\u3002\u5c01\u88c5\u662f\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u7684\u4e00\u9879\u57fa\u672c\u539f\u5219\uff0c\u65e8\u5728\u4fdd\u62a4\u5bf9\u8c61\u5185\u90e8\u7684\u72b6\u6001\u5e76\u9690\u85cf\u5176\u590d\u6742\u6027\u3002Java Bean\u901a\u8fc7\u63d0\u4f9b\u6807\u51c6\u7684setter\u548cgetter\u65b9\u6cd5\uff0c\u5141\u8bb8\u5916\u90e8\u901a\u8fc7\u8fd9\u4e9b\u63a5\u53e3\u6765\u83b7\u53d6\u548c\u8bbe\u7f6e\u5bf9\u8c61\u5c5e\u6027\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u8bbf\u95ee\u5bf9\u8c61\u5185\u90e8\u7684\u5b57\u6bb5\u3002<\/strong> \u8fd9\u79cd\u65b9\u5f0f\u4e0d\u4ec5\u63d0\u5347\u4e86\u7ec4\u4ef6\u7684\u53ef\u7528\u6027\uff0c\u8fd8\u589e\u5f3a\u4e86\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u548c\u5065\u58ee\u6027\u3002<\/p>\n

### \u4e00\u3001JAVA BEAN\u7684\u5b9a\u4e49\u53ca\u7279\u70b9<\/strong><\/p>\n

Java Bean\u662f\u4e00\u79cd\u9075\u5faa\u7279\u5b9a\u89c4\u8303\u7684Java\u7c7b\uff0c\u5177\u6709\u5982\u4e0b\u51e0\u4e2a\u7279\u70b9\uff1a<\/p>\n

– \u5c01\u88c5\u6027<\/strong>\uff1aJava Bean\u5c06\u5c5e\u6027\u9690\u85cf\u5728\u7c7b\u5185\u90e8\uff0c\u5e76\u901a\u8fc7\u516c\u5f00\u7684\u65b9\u6cd5\u63d0\u4f9b\u5bf9\u5c5e\u6027\u7684\u8bbf\u95ee\uff0c\u8fd9\u6709\u52a9\u4e8e\u7ef4\u62a4\u548c\u4fee\u6539\u4ee3\u7801\uff0c\u540c\u65f6\u4fdd\u8bc1\u4e86\u6570\u636e\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n

– \u53ef\u91cd\u7528\u6027<\/strong>\uff1a\u4f5c\u4e3a\u7ec4\u4ef6\uff0cJava Bean\u53ef\u4ee5\u5728\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e2d\u91cd\u7528\uff0c\u65e0\u9700\u6539\u53d8\u539f\u6709\u4ee3\u7801\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u3002<\/p>\n

– \u7ec4\u4ef6\u5316<\/strong>\uff1aJava Bean\u53ef\u4ee5\u4e0e\u5176\u4ed6Bean\u7ec4\u5408\uff0c\u5f62\u6210\u590d\u6742\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u8fd9\u79cd\u6a21\u5757\u5316\u8bbe\u8ba1\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u7075\u6d3b\uff0c\u6613\u4e8e\u7ba1\u7406\u3002<\/p>\n

### \u4e8c\u3001JAVA BEAN\u7684\u7ec4\u6210<\/strong><\/p>\n

\u4e00\u4e2a\u6807\u51c6\u7684Java Bean\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n

– \u5c5e\u6027<\/strong>\uff1aJava Bean\u7684\u5c5e\u6027\u662f\u79c1\u6709\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u4e0d\u80fd\u88ab\u5916\u90e8\u76f4\u63a5\u8bbf\u95ee\u3002\u5c5e\u6027\u7684\u7c7b\u578b\u53ef\u4ee5\u662f\u4efb\u4f55Java\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u5176\u4ed6Bean\u3002<\/p>\n

– \u65b9\u6cd5<\/strong>\uff1aJava Bean\u901a\u8fc7\u516c\u5171\u7684getter\u548csetter\u65b9\u6cd5\u66b4\u9732\u5176\u5c5e\u6027\u3002getter\u65b9\u6cd5\u7528\u4e8e\u8bfb\u53d6\u5c5e\u6027\u503c\uff0csetter\u65b9\u6cd5\u7528\u4e8e\u8bbe\u7f6e\u5c5e\u6027\u503c\u3002<\/p>\n

– \u65e0\u53c2\u6784\u9020\u51fd\u6570<\/strong>\uff1aJava Bean\u5fc5\u987b\u63d0\u4f9b\u4e00\u4e2a\u65e0\u53c2\u6784\u9020\u51fd\u6570\uff0c\u8fd9\u4f7f\u5f97Bean\u53ef\u4ee5\u5728\u6ca1\u6709\u4efb\u4f55\u521d\u59cb\u5316\u6570\u636e\u7684\u60c5\u51b5\u4e0b\u5b9e\u4f8b\u5316\u3002<\/p>\n

### \u4e09\u3001JAVA BEAN\u7684\u5e94\u7528<\/strong><\/p>\n

Java Bean\u5e7f\u6cdb\u5e94\u7528\u4e8eJava\u7684\u5404\u79cd\u6280\u672f\u4e2d\uff0c\u5982\uff1a<\/p>\n

– Java EE\u6280\u672f<\/strong>\uff1a\u5728Java EE\u4e2d\uff0cBean\u88ab\u7528\u4e8e\u5c01\u88c5\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n

– JavaServer Pages (JSP)<\/strong>\uff1a\u5728JSP\u4e2d\uff0cBean\u7528\u4e8e\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u4e4b\u95f4\u4f20\u9012\u6570\u636e\u3002<\/p>\n

– \u6846\u67b6\u4e2d\u7684\u5e94\u7528<\/strong>\uff1a\u8bb8\u591a\u6d41\u884c\u7684Java\u6846\u67b6\u5982Spring\u3001Hibernate\u7b49\u90fd\u4f7f\u7528Java Bean\u6765\u914d\u7f6e\u548c\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7ec4\u4ef6\u3002<\/p>\n

### \u56db\u3001JAVA BEAN\u4e0ePOJO\u7684\u533a\u522b<\/strong><\/p>\n

\u867d\u7136Java Bean\u548cPOJO\uff08PlAI<\/a>n Old Java Object\uff09\u90fd\u662fJava\u5bf9\u8c61\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u5b58\u5728\u4e00\u4e9b\u5173\u952e\u5dee\u5f02\uff1a<\/p>\n

– \u89c4\u8303\u8981\u6c42<\/strong>\uff1aJava Bean\u5fc5\u987b\u9075\u5faa\u7279\u5b9a\u7684\u547d\u540d\u89c4\u5219\u548c\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5982\u5fc5\u987b\u6709\u65e0\u53c2\u6784\u9020\u51fd\u6570\u3001\u5c5e\u6027\u79c1\u6709\u7b49\uff1b\u800cPOJO\u4e0d\u5f3a\u5236\u8fd9\u4e9b\u89c4\u8303\u3002<\/p>\n

– \u9644\u52a0\u529f\u80fd<\/strong>\uff1aJava Bean\u901a\u5e38\u80fd\u591f\u652f\u6301\u4e8b\u4ef6\u5904\u7406\u3001\u5e8f\u5217\u5316\u7b49\u529f\u80fd\uff0c\u800cPOJO\u5219\u66f4\u52a0\u7b80\u5355\uff0c\u6ca1\u6709\u8fd9\u4e9b\u9644\u52a0\u8981\u6c42\u3002<\/p>\n

Java Bean\u662fJava\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e2a\u6838\u5fc3\u6982\u5ff5\uff0c\u7406\u89e3\u5176\u5b9a\u4e49\u3001\u7279\u70b9\u53ca\u5e94\u7528\uff0c\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u6548\u3001\u53ef\u91cd\u7528\u548c\u6a21\u5757\u5316\u7684Java\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u5408\u7406\u5229\u7528Java Bean\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u4ee5\u53ca\u53ef\u6269\u5c55\u6027\u3002<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

Java Bean\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n

Java Bean\u662f\u4e00\u79cd\u7b26\u5408\u7279\u5b9a\u7f16\u7a0b\u89c4\u8303\u7684Java\u7c7b\uff0c\u7528\u4e8e\u5728Java\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5c01\u88c5\u6570\u636e\u5e76\u63d0\u4f9b\u53ef\u91cd\u7528\u7684\u7ec4\u4ef6\u3002\u5b83\u901a\u5e38\u5305\u542b\u79c1\u6709\u5b57\u6bb5\u3001\u516c\u5171getter\u548csetter\u65b9\u6cd5\u4ee5\u53ca\u65e0\u53c2\u6784\u9020\u65b9\u6cd5\u3002Java Bean\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u53ef\u5e8f\u5217\u5316\u63a5\u53e3\uff0c\u4f7f\u5f97\u5b83\u4eec\u80fd\u591f\u88ab\u5e8f\u5217\u5316\u4e3a\u5b57\u8282\u6d41\uff0c\u4ece\u800c\u53ef\u4ee5\u88ab\u7f51\u7edc\u4f20\u8f93\u6216\u5728\u6301\u4e45\u5316\u65f6\u5b58\u50a8\u5230\u78c1\u76d8\u4e0a\u3002<\/p>\n

Java Bean\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n

Java Bean\u7684\u4f5c\u7528\u662f\u63d0\u4f9b\u4e00\u79cd\u7ec4\u4ef6\u5316\u7684\u65b9\u5f0f\uff0c\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5c06\u5e94\u7528\u7a0b\u5e8f\u62c6\u5206\u4e3a\u591a\u4e2a\u72ec\u7acb\u7684\u90e8\u5206\uff0c\u4fbf\u4e8e\u7ba1\u7406\u548c\u7ef4\u62a4\u3002\u901a\u8fc7\u4f7f\u7528Java Bean\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u5c01\u88c5\u3001\u4ee3\u7801\u590d\u7528\u548c\u6a21\u5757\u5316\u5f00\u53d1\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002Java Bean\u8fd8\u53ef\u4ee5\u88ab\u56fe\u5f62\u5316\u5f00\u53d1\u5de5\u5177\uff08\u5982Eclipse\u3001NetBeans\uff09\u81ea\u52a8\u8bc6\u522b\u548c\u64cd\u4f5c\uff0c\u65b9\u4fbf\u5f00\u53d1\u4eba\u5458\u8fdb\u884c\u53ef\u89c6\u5316\u754c\u9762\u8bbe\u8ba1\u3002<\/p>\n

Java Bean\u4e0e\u666e\u901aJava\u7c7b\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n

Java Bean\u4e0e\u666e\u901aJava\u7c7b\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u9075\u5faa\u4e86\u7279\u5b9a\u7684\u547d\u540d\u89c4\u8303\u548c\u7f16\u7a0b\u7ea6\u5b9a\u3002Java Bean\u7c7b\u540d\u901a\u5e38\u4ee5\u5927\u5199\u5b57\u6bcd\u5f00\u5934\uff0c\u5e76\u4e14\u5305\u542b\u516c\u5171\u7684\u65e0\u53c2\u6784\u9020\u65b9\u6cd5\u3001\u79c1\u6709\u7684\u5b9e\u4f8b\u53d8\u91cf\u4ee5\u53ca\u516c\u5171\u7684getter\u548csetter\u65b9\u6cd5\u3002\u53e6\u5916\uff0cJava Bean\u7c7b\u5e94\u8be5\u662f\u53ef\u5e8f\u5217\u5316\u7684\uff0c\u4ee5\u4fbf\u4e8e\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4f20\u8f93\u548c\u6301\u4e45\u5316\u5b58\u50a8\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u666e\u901aJava\u7c7b\u53ef\u80fd\u4e0d\u9075\u5faa\u8fd9\u4e9b\u89c4\u8303\uff0c\u53ea\u63d0\u4f9b\u57fa\u672c\u7684\u529f\u80fd\u800c\u4e0d\u8003\u8651\u53ef\u91cd\u7528\u6027\u548c\u6269\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Java Bean\u662f\u4e00\u79cd\u7279\u6b8a\u7684Java\u7c7b\uff0c\u4e3b\u8981\u7528\u4e8e\u5c01\u88c5\u591a\u4e2a\u5bf9\u8c61\u6210\u4e3a\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u9075\u5faa\u7279\u5b9a\u7684\u547d\u540d\u89c4\u5219\u3001\u662f\u53ef\u91cd\u7528\u7684\u7ec4 […]","protected":false},"author":1,"featured_media":72364,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/72359"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=72359"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/72359\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/72364"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=72359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=72359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=72359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}