{"id":109,"date":"2024-05-28T18:22:57","date_gmt":"2024-05-28T10:22:57","guid":{"rendered":"https:\/\/www.tqazy.com\/?p=109"},"modified":"2024-05-28T18:22:57","modified_gmt":"2024-05-28T10:22:57","slug":"postconstruct","status":"publish","type":"post","link":"https:\/\/www.tqazy.com\/?p=109","title":{"rendered":"@PostConstruct"},"content":{"rendered":"

@PostConstruct<\/h1>\n

\u6982\u5ff5<\/h2>\n

@PostConstruct<\/code> \u662fJava EE\u89c4\u8303\u4e2d\u7684\u4e00\u90e8\u5206\u3002<\/p>\n

\u6b64\u6ce8\u89e3\u7528\u4e8e\u6807\u8bb0\u5728\u670d\u52a1\u5668\u52a0\u8f7dBean\u540e\u9700\u8981\u7acb\u5373\u6267\u884c\u7684\u65b9\u6cd5\uff0c\u5373\u5728Bean\u7684\u6784\u9020\u51fd\u6570\u8c03\u7528\u4e4b\u540e\u3001\u4efb\u4f55\u670d\u52a1\u8bf7\u6c42\u5904\u7406\u4e4b\u524d\u6267\u884c\u7684\u521d\u59cb\u5316\u903b\u8f91\u3002<\/p>\n

\u5b83\u786e\u4fdd\u4e86\u88ab\u6807\u6ce8\u7684\u65b9\u6cd5\u5728Bean\u7684\u751f\u547d\u5468\u671f\u4e2d\u4ec5\u88ab\u6267\u884c\u4e00\u6b21\u3002<\/p>\n

\u901a\u4fd7\u8bf4\u6cd5<\/h2>\n

\u60f3\u8c61\u4f60\u521a\u79df\u4e86\u4e00\u95f4\u65b0\u516c\u5bd3\uff0c@PostConstruct<\/code> \u5c31\u50cf\u662f\u642c\u8fdb\u53bb\u540e\u8981\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u60c5\uff0c\u6bd4\u5982\u7ec4\u88c5\u5bb6\u5177\u3001\u6302\u7a97\u5e18\uff0c\u8fd9\u4e9b\u5de5\u4f5c\u53ea\u9700\u505a\u4e00\u6b21\uff0c\u4e00\u65e6\u5b8c\u6210\uff0c\u516c\u5bd3\u5c31\u7b97\u6b63\u5f0f\u53ef\u4ee5\u5c45\u4f4f\u4e86\u3002<\/p>\n

\u6240\u5c5e<\/h2>\n
\n

import javax.annotation.PostConstruct;<\/p>\n<\/blockquote>\n

\u4f5c\u7528<\/h2>\n
    \n
  • \u4fdd\u8bc1\u521d\u59cb\u5316\u903b\u8f91\u4ec5\u5728Bean\u5b8c\u5168\u6784\u9020\u4e4b\u540e\u6267\u884c\u4e00\u6b21\u3002<\/li>\n
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    \u7528\u6cd5<\/h2>\n
      \n
    • \u76f4\u63a5\u6807\u6ce8\u5728\u975e\u9759\u6001\u3001\u65e0\u53c2\u6570\u7684\u65b9\u6cd5\u4e0a\u3002<\/li>\n
    • \u901a\u5e38\u7528\u4e8e\u6267\u884c\u4e00\u6b21\u6027\u521d\u59cb\u5316\u64cd\u4f5c\uff0c\u5982\u8d44\u6e90\u521d\u59cb\u5316\u3001\u914d\u7f6e\u52a0\u8f7d\u7b49\u3002<\/li>\n<\/ul>\n

      \u4f7f\u7528\u573a\u666f<\/h2>\n
        \n
      • \u9700\u8981\u5728Bean\u9996\u6b21\u4f7f\u7528\u524d\u6267\u884c\u4e00\u4e9b\u521d\u59cb\u5316\u8bbe\u7f6e\u3002<\/li>\n
      • \u521d\u59cb\u5316\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u3001\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\u3001\u542f\u52a8\u5b9a\u65f6\u4efb\u52a1\u7b49\u3002<\/li>\n<\/ul>\n

        \u4f7f\u7528\u793a\u4f8b<\/h2>\n
        public class UserService {\n    @PostConstruct\n    public void init() {\n        System.out.println("UserService \u521d\u59cb\u5316\u5b8c\u6210");\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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