\n\tContextLoaderListener \u53ef\u4ee5\u4e0d\u914d\u7f6e\u5417
\n<\/h2>\n
\n\t\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff1a\u53ef\u4ee5\u4e0d\u505a\u4efb\u4f55\u914d\u7f6e\uff01\n<\/p>\n
\n\t\u67e5\u770b\u4e86ContextLoaderListener \u6e90\u4ee3\u7801\uff0c\u53d1\u73b0\u5b83\u7ee7\u627f\u81eaContextLoader\uff0c\u5e76\u4e14\u5b9e\u73b0ServletContextListener\u63a5\u53e3\n<\/p>\n
\n\tContextLoaderListener \u6e90\u4ee3\u7801\u5f88\u7b80\u5355\uff0c\u6838\u5fc3\u662f\u5b9e\u73b0\u4e86 ServletContextListener \u7684contextInitialized\u548ccontextDestroyed\u65b9\u6cd5\n<\/p>\n
\n\t\u6211\u4eec\u770b\u4e0b\u7c7b\u56fe\u7ed3\u6784\uff0c\u53ea\u5217\u51fa\u4e00\u90e8\u5206\u5c5e\u6027\u548c\u65b9\u6cd5\n<\/p>\n
\n\t\n<\/p>\n
\n\tContextLoaderListener\u76d1\u542c\u5668\u7684\u4f5c\u7528\u5c31\u662f\u542f\u52a8Web\u5bb9\u5668\u65f6\uff0c\u81ea\u52a8\u88c5\u914dApplicationContext\u7684\u914d\u7f6e\u4fe1\u606f\u3002\u56e0\u4e3a\u5b83\u5b9e\u73b0\u4e86ServletContextListener\u8fd9\u4e2a\u63a5\u53e3\uff0c\u5728web.xml\u914d\u7f6e\u8fd9\u4e2a\u76d1\u542c\u5668\uff0c\u542f\u52a8\u5bb9\u5668\u65f6\uff0c\u5c31\u4f1a\u9ed8\u8ba4\u6267\u884c\u5b83\u5b9e\u73b0\u7684\u65b9\u6cd5\u3002\u81f3\u4e8eApplicationContext.xml\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u90e8\u7f72\u5728\u54ea\uff0c\u5982\u4f55\u914d\u7f6e\u591a\u4e2axml\u6587\u4ef6\uff0c\u4e66\u4e0a\u90fd\u6ca1\u600e\u4e48\u8be6\u7ec6\u8bf4\u660e\u3002\u73b0\u5728\u7684\u65b9\u6cd5\u5c31\u662f\u67e5\u770b\u5b83\u7684API\u6587\u6863\u3002\u5728ContextLoaderListener\u4e2d\u5173\u8054\u4e86ContextLoader\u8fd9\u4e2a\u7c7b\uff0c\u6240\u4ee5\u6574\u4e2a\u52a0\u8f7d\u914d\u7f6e\u8fc7\u7a0b\u7531ContextLoader\u6765\u5b8c\u6210\u3002\u5b83\u7684API\u8bf4\u660e\u5982\u4e0b\uff1a\n<\/p>\n
\n\t\u7b2c\u4e00\u6bb5\u8bf4\u660eContextLoader\u53ef\u4ee5\u7531 ContextLoaderListener\u548cContextLoaderServlet\u751f\u6210\u3002\u5982\u679c\u67e5\u770bContextLoaderServlet\u7684API\uff0c\u53ef\u4ee5\u770b\u5230\u5b83\u4e5f\u5173\u8054\u4e86ContextLoader\u8fd9\u4e2a\u7c7b\u800c\u4e14\u5b83\u5b9e\u73b0\u4e86HttpServlet\u8fd9\u4e2a\u63a5\u53e3\u3002\n<\/p>\n
\n\t\u7b2c\u4e8c\u6bb5\uff0cContextLoader\u521b\u5efa\u7684\u662f XmlWebApplicationContext\u8fd9\u6837\u4e00\u4e2a\u7c7b\uff0c\u5b83\u5b9e\u73b0\u7684\u63a5\u53e3\u662fWebApplicationContext->ConfigurableWebApplicationContext->ApplicationContext->BeanFactory\u8fd9\u6837\u4e00\u6765spring\u4e2d\u7684\u6240\u6709bean\u90fd\u7531\u8fd9\u4e2a\u7c7b\u6765\u521b\u5efa\n<\/p>\n
\n\t\u7b2c\u4e09\u6bb5,\u8bb2\u5982\u4f55\u90e8\u7f72applicationContext\u7684xml\u6587\u4ef6\u3002
\n\t\u5982\u679c\u5728web.xml\u4e2d\u4e0d\u5199\u4efb\u4f55\u53c2\u6570\u914d\u7f6e\u4fe1\u606f\uff0c\u9ed8\u8ba4\u7684\u8def\u5f84\u662f\/WEB-INF\/applicationContext.xml\uff0c\u5728WEB-INF\u76ee\u5f55\u4e0b\u521b\u5efa\u7684xml\u6587\u4ef6\u7684\u540d\u79f0\u5fc5\u987b\u662fapplicationContext.xml\uff1b
\n\t\u5982\u679c\u662f\u8981\u81ea\u5b9a\u4e49\u6587\u4ef6\u540d\u53ef\u4ee5\u5728web.xml\u91cc\u52a0\u5165contextConfigLocation\u8fd9\u4e2acontext\u53c2\u6570\uff1a\n<\/p>\n
\r\n<context-param> \r\n\t<param-name>contextConfigLocation<\/param-name> \r\n\t<param-value> \r\n\t\t\/WEB-INF\/classes\/applicationContext-*.xml \r\n\t<\/param-value> \r\n<\/context-param><\/pre>\n\n\t\u5728<param-value> <\/param-value>\u91cc\u6307\u5b9a\u76f8\u5e94\u7684xml\u6587\u4ef6\u540d\uff0c\u5982\u679c\u6709\u591a\u4e2axml\u6587\u4ef6\uff0c\u53ef\u4ee5\u5199\u5728\u4e00\u8d77\u5e76\u4e00“,”\u53f7\u5206\u9694\u3002\u4e0a\u9762\u7684applicationContext-*.xml\u91c7\u7528\u901a\u914d\u7b26\uff0c\u6bd4\u5982\u8fd9\u90a3\u4e2a\u76ee\u5f55\u4e0b\u6709applicationContext-ibatis-base.xml\uff0capplicationContext-action.xml\uff0capplicationContext-ibatis-dao.xml\u7b49\u6587\u4ef6\uff0c\u90fd\u4f1a\u4e00\u540c\u88ab\u8f7d\u5165\u3002\n<\/p>\n
\n\t\u7531\u6b64\u53ef\u89c1applicationContext.xml\u7684\u6587\u4ef6\u4f4d\u7f6e\u5c31\u53ef\u4ee5\u6709\u4e24\u79cd\u9ed8\u8ba4\u5b9e\u73b0\uff1a\n<\/p>\n
\n\t\u7b2c\u4e00\u79cd\uff1a\u76f4\u63a5\u5c06\u4e4b\u653e\u5230\/WEB-INF\u4e0b\uff0c\u4e4b\u5728web.xml\u4e2d\u58f0\u660e\u4e00\u4e2alistener\uff1b\n<\/p>\n
\n\t\u7b2c\u4e8c\u79cd\uff1a\u5c06\u4e4b\u653e\u5230classpath\u4e0b\uff0c\u4f46\u662f\u6b64\u65f6\u8981\u5728web.xml\u4e2d\u52a0\u5165<context-param>\uff0c\u7528\u5b83\u6765\u6307\u660e\u4f60\u7684applicationContext.xml\u7684\u4f4d\u7f6e\u4ee5\u4f9bweb\u5bb9\u5668\u6765\u52a0\u8f7d\u3002\u6309\u7167Struts2 \u6574\u5408spring\u7684\u5b98\u65b9\u7ed9\u51fa\u7684\u6863\u6848\uff0c\u5199\u6210\uff1a\n<\/p>\n
\r\n<context-param> \r\n <param-name>contextConfigLocation<\/param-name> \r\n <param-value>\/WEB-INF\/applicationContext-*.xml,classpath*:applicationContext-*.xml<\/param-value> \r\n<\/context-param>\r\n<\/pre>\n
<\/p>
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\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a\u4e1a\u4f59\u8349<\/a>\uff1a » \u8be6\u89e3 Spring \u4e2d ContextLoaderListener \u7684\u4f5c\u7528<\/a><\/p>","protected":false},"excerpt":{"rendered":"
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