{"id":2552,"date":"2020-11-29T16:00:35","date_gmt":"2020-11-29T08:00:35","guid":{"rendered":"http:\/\/127.0.0.2\/?p=2552"},"modified":"2020-12-04T16:15:08","modified_gmt":"2020-12-04T08:15:08","slug":"2020javaweb%e6%a1%86%e6%9e%b6%e6%95%99%e7%a8%8b%e4%b9%8bspring%e7%9a%84bean%e7%bb%86%e8%8a%82","status":"publish","type":"post","link":"https:\/\/www.9713job.com\/?p=2552","title":{"rendered":"2020javaweb\u6846\u67b6\u6559\u7a0b\u4e4bspring\u7684Bean\u7ec6\u8282"},"content":{"rendered":"

2020javaweb\u6846\u67b6\u6559\u7a0b\u4e4bspring\u7684Bean\u7ec6\u8282<\/h3>\n

1.Bean\u521b\u5efa\u539f\u7406<\/strong><\/span><\/p>\n

\u53cd\u5c04\uff1a\u52a0\u8f7d\u7c7b\u5bf9\u8c61\uff0c\u9ed8\u8ba4\u8c03\u7528\u65e0\u53c2\u6784\u9020\uff0c\u521b\u5efa\u5bf9\u8c61\u3002<\/p>\n

<bean class=\"bean.Users\" id=\"users\" \/><\/pre>\n
public void classpaths(){\/\/\u53cd\u5c04\r\n    Class<?> u=null;\r\n    try {\r\n        u = Class.forName(\"bean.Users\");\r\n        Constructor<?> constructor = u.getConstructor();\r\n        Users o = (Users) constructor.newInstance();\r\n        System.out.println(o);\r\n    } catch (Exception e) {\r\n        e.printStackTrace();\r\n    }\r\n}<\/pre>\n
2.Bean\u521b\u5efa\u6a21\u5f0f<\/p>\n
<\/strong><\/span><\/p>\n
singleton\uff1a\u5355\u4f8b–>\u9ed8\u8ba4<\/span><\/p>\n
\u5728\u540c\u4e00\u4e2aspring\u5de5\u5382\u4e2d\uff0c\u4e00\u4e2aBean\u53ea\u4f1a\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\u3002
\n\u591a\u6b21getBean()\uff0c\u6216\u591a\u6b21\u6ce8\u5165\u4f7f\u7528\u7684\u662f\u540c\u4e00\u4e2a\u5bf9\u8c61\u3002
\n\u968f\u5de5\u5382\u521b\u5efa\u800c\u521b\u5efa\uff0c\u968f\u5de5\u5382\u5173\u95ed\u800c\u9500\u6bc1\u3002<\/p>\n
prototype\uff1a\u591a\u4f8b(\u539f\u578b)<\/span><\/p>\n
<bean class=\"bean.Users\" id=\"users\" scope=\"prototype\"\/><\/pre>\n
\u6bcf\u6b21getBean()\uff0c\u6216\u591a\u6b21\u6ce8\u5165\u90fd\u4f1a\u91cd\u65b0\u521b\u5efa\u5bf9\u8c61\u3002
\n\u4e0d\u968f\u5de5\u5382\u521b\u5efa\u800c\u521b\u5efa\uff0c\u4e0d\u968f\u5de5\u5382\u5173\u95ed\u800c\u9500\u6bc1
\n\u88ab\u7528\u5230\u65f6\u624d\u4f1a\u521b\u5efa\u5bf9\u8c61\u3002<\/p>\n
\u5bf9\u8c61\u7684\u72b6\u6001\uff1a\u5bf9\u8c61\u7684\u6210\u5458\u53d8\u91cf\u503c \u5373 \u5bf9\u8c61\u7684\u72b6\u6001<\/span><\/strong><\/p>\n
\u65e0\u72b6\u6001\uff1a\u4e0d\u540c\u7684\u7528\u6237\uff0c\u4e0d\u540c\u7684\u8bf7\u6c42\uff0c\u5bf9\u8c61\u7684\u5c5e\u6027\u503c\u4e0d\u4f1a\u53d1\u751f\u6539\u53d8(\u5355\u4f8b)<\/span>
\n\u5982\uff1adao\u3001service\u3001servlet<\/p>\n
\u6709\u72b6\u6001\uff1a\u4e0d\u540c\u7684\u7528\u6237\uff0c\u4e0d\u540c\u7684\u8bf7\u6c42\uff0c\u5bf9\u8c61\u7684\u5c5e\u6027\u503c\u4f1a\u53d1\u751f\u6539\u53d8(\u591a\u4f8b)<\/span><\/p>\n
3.\u751f\u547d\u5468\u671f<\/strong><\/span><\/p>\n
\u5355\u4f8bBean\uff1a\u6784\u9020(\u5de5\u5382\u542f\u52a8)–>set–>init–>User–>destory(\u9500\u6bc1)<\/p>\n
\u591a\u4f8bBean\uff1a\u83b7\u53d6\u65f6\u624d\u521b\u5efa–>set–>init–>User–>\u4e0d\u4f1a\u968f\u5de5\u5382\u5173\u95ed\u800c\u9500\u6bc1<\/p>\n","protected":false},"excerpt":{"rendered":"
2020javaweb\u6846\u67b6\u6559\u7a0b\u4e4bspring\u7684Bean\u7ec6\u8282 1.Bean\u521b\u5efa\u539f\u7406 \u53cd\u5c04\uff1a\u52a0\u8f7d\u7c7b\u5bf9\u8c61\uff0c\u9ed8\u8ba4\u8c03\u7528\u65e0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-2552","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2552"}],"version-history":[{"count":3,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2552\/revisions"}],"predecessor-version":[{"id":2583,"href":"https:\/\/www.9713job.com\/index.php?rest_route=\/wp\/v2\/posts\/2552\/revisions\/2583"}],"wp:attachment":[{"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.9713job.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}