{"id":2985,"date":"2022-12-30T17:31:33","date_gmt":"2022-12-30T09:31:33","guid":{"rendered":"https:\/\/qaqaq.top\/?p=2985"},"modified":"2022-12-30T17:31:34","modified_gmt":"2022-12-30T09:31:34","slug":"%e6%8b%a6%e6%88%aa%e5%99%a8","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=2985","title":{"rendered":"\u62e6\u622a\u5668"},"content":{"rendered":"\n

1\u3001\u62e6\u622a\u5668\u7684\u914d\u7f6e<\/h2>\n\n\n\n

SpringMVC\u4e2d\u7684\u62e6\u622a\u5668\u7528\u4e8e\u62e6\u622a\u63a7\u5236\u5668\u65b9\u6cd5\u7684\u6267\u884c<\/p>\n\n\n\n

SpringMVC\u4e2d\u7684\u62e6\u622a\u5668\u9700\u8981\u5b9e\u73b0HandlerInterceptor<\/p>\n\n\n\n

SpringMVC\u7684\u62e6\u622a\u5668\u5fc5\u987b\u5728SpringMVC\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u8fdb\u884c\u914d\u7f6e\uff1a<\/p>\n\n\n\n

    <mvc:interceptor>\r\n        <bean class=\"top.qaqaq.mvc.interceptors.FirstInterceptor\"><\/bean>\r\n        <ref bean=\"firstInterceptor\"><\/ref>\r\n    <\/mvc:interceptor>\r\n    <!-- \u4ee5\u4e0a\u4e24\u79cd\u914d\u7f6e\u65b9\u5f0f\u90fd\u662f\u5bf9DispatcherServlet\u6240\u5904\u7406\u7684\u6240\u6709\u7684\u8bf7\u6c42\u8fdb\u884c\u62e6\u622a -->\r\n    <mvc:interceptor>\r\n        <mvc:mapping path=\"\/**\"\/>\r\n        <mvc:exclude-mapping path=\"\/testRequestEntity\"\/>\r\n        <ref bean=\"firstInterceptor\"><\/ref>\r\n    <\/mvc:interceptor>\r\n    <!--\r\n        \u4ee5\u4e0a\u914d\u7f6e\u65b9\u5f0f\u53ef\u4ee5\u901a\u8fc7ref\u6216bean\u6807\u7b7e\u8bbe\u7f6e\u62e6\u622a\u5668\uff0c\r\n        \u901a\u8fc7mvc:mapping\u8bbe\u7f6e\u9700\u8981\u62e6\u622a\u7684\u8bf7\u6c42\uff0c\r\n        \u901a\u8fc7mvc:exclude-mapping\u8bbe\u7f6e\u9700\u8981\u6392\u9664\u7684\u8bf7\u6c42\uff0c\u5373\u4e0d\u9700\u8981\u62e6\u622a\u7684\u8bf7\u6c42\r\n     --><\/code><\/pre>\n\n\n\n
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SpringMVC\u4e2d\u7684\u62e6\u622a\u5668\u6709\u4e09\u4e2a\u62bd\u8c61\u65b9\u6cd5\uff1a<\/p>\n\n\n\n
preHandle\uff1a\u63a7\u5236\u5668\u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u6267\u884cpreHandle()\uff0c\u5176boolean\u7c7b\u578b\u7684\u8fd4\u56de\u503c\u8868\u793a\u662f\u5426\u62e6\u622a\u6216\u653e\u884c\uff0c\u8fd4
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postHandle\uff1a\u63a7\u5236\u5668\u65b9\u6cd5\u6267\u884c\u4e4b\u540e\u6267\u884cpostHandle()<\/p>\n\n\n\n
afterComplation\uff1a\u5904\u7406\u5b8c\u89c6\u56fe\u548c\u6a21\u578b\u6570\u636e\uff0c\u6e32\u67d3\u89c6\u56fe\u5b8c\u6bd5\u4e4b\u540e\u6267\u884cafterComplation()<\/p>\n\n\n\n
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a>\u82e5\u6bcf\u4e2a\u62e6\u622a\u5668\u7684preHandle()\u90fd\u8fd4\u56detrue<\/p>\n\n\n\n
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b>\u82e5\u67d0\u4e2a\u62e6\u622a\u5668\u7684preHandle()\u8fd4\u56de\u4e86false<\/p>\n\n\n\n
preHandle()\u8fd4\u56defalse\u548c\u5b83\u4e4b\u524d\u7684\u62e6\u622a\u5668\u7684preHandle()\u90fd\u4f1a\u6267\u884c\uff0cpostHandle()\u90fd\u4e0d\u6267\u884c\uff0c\u8fd4\u56defalse
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