{"id":2990,"date":"2022-12-30T18:39:37","date_gmt":"2022-12-30T10:39:37","guid":{"rendered":"https:\/\/qaqaq.top\/?p=2990"},"modified":"2022-12-30T18:39:37","modified_gmt":"2022-12-30T10:39:37","slug":"%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e5%99%a8","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=2990","title":{"rendered":"\u5f02\u5e38\u5904\u7406\u5668"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1\u3001\u57fa\u4e8e\u914d\u7f6e\u7684\u5f02\u5e38\u5904\u7406<\/h2>\n\n\n\n<p>SpringMVC\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5904\u7406\u63a7\u5236\u5668\u65b9\u6cd5\u6267\u884c\u8fc7\u7a0b\u4e2d\u6240\u51fa\u73b0\u7684\u5f02\u5e38\u7684\u63a5\u53e3\uff1aHandlerExceptionResolver<\/p>\n\n\n\n<p>HandlerExceptionResolver\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\u6709\uff1aDefaultHandlerExceptionResolver\u548c<br>SimpleMappingExceptionResolver<\/p>\n\n\n\n<p>SpringMVC\u63d0\u4f9b\u4e86\u81ea\u5b9a\u4e49\u7684\u5f02\u5e38\u5904\u7406\u5668SimpleMappingExceptionResolver\uff0c\u4f7f\u7528\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    &lt;bean class=\"org.springframework.web.servlet.handler.SimpleMappingExceptionResolver\">\r\n        &lt;property name=\"exceptionMappings\">\r\n            &lt;props>\r\n                &lt;!--\r\n                    properties\u7684\u952e\u8868\u793a\u5904\u7406\u5668\u65b9\u6cd5\u6267\u884c\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u5f02\u5e38\r\n                    properties\u7684\u503c\u8868\u793a\u82e5\u51fa\u73b0\u6307\u5b9a\u5f02\u5e38\u65f6\uff0c\u8bbe\u7f6e\u4e00\u4e2a\u65b0\u7684\u89c6\u56fe\u540d\u79f0\uff0c\u8df3\u8f6c\u5230\u6307\u5b9a\u9875\u9762\r\n                -->\r\n                &lt;prop key=\"java.lang.ArithmeticException\">error&lt;\/prop>\r\n            &lt;\/props>\r\n        &lt;\/property>\r\n        &lt;!--\r\n            exceptionAttribute\u5c5e\u6027\u8bbe\u7f6e\u4e00\u4e2a\u5c5e\u6027\u540d\uff0c\u5c06\u51fa\u73b0\u7684\u5f02\u5e38\u4fe1\u606f\u5728\u8bf7\u6c42\u57df\u4e2d\u8fdb\u884c\u5171\u4eab\r\n        -->\r\n        &lt;property name=\"exceptionAttribute\" value=\"ex\">&lt;\/property>\r\n    &lt;\/bean><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2\u3001\u57fa\u4e8e\u6ce8\u89e3\u7684\u5f02\u5e38\u5904\u7406<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/@ControllerAdvice\u5c06\u5f53\u524d\u7c7b\u6807\u8bc6\u4e3a\u5f02\u5e38\u5904\u7406\u7684\u7ec4\u4ef6\r\n@ControllerAdvice\r\npublic class ExceptionController {\r\n    \/\/@ExceptionHandler\u7528\u4e8e\u8bbe\u7f6e\u6240\u6807\u8bc6\u65b9\u6cd5\u5904\u7406\u7684\u5f02\u5e38\r\n    @ExceptionHandler(ArithmeticException.class)\r\n    \/\/ex\u8868\u793a\u5f53\u524d\u8bf7\u6c42\u5904\u7406\u4e2d\u51fa\u73b0\u7684\u5f02\u5e38\u5bf9\u8c61\r\n    public String handleArithmeticException(Exception ex, Model model){\r\n        model.addAttribute(\"ex\", ex);\r\n        return \" error \" ;\r\n    }\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001\u57fa\u4e8e\u914d\u7f6e\u7684\u5f02\u5e38\u5904\u7406 SpringMVC\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5904\u7406\u63a7\u5236\u5668\u65b9\u6cd5\u6267\u884c\u8fc7\u7a0b\u4e2d\u6240\u51fa\u73b0\u7684\u5f02\u5e38\u7684\u63a5\u53e3\uff1aHandler [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[112],"class_list":["post-2990","post","type-post","status-publish","format-standard","hentry","category-springmvc-code","tag-springmvc"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2990"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2990"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2990\/revisions"}],"predecessor-version":[{"id":2991,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2990\/revisions\/2991"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}