{"id":202844,"date":"2025-05-22T11:25:02","date_gmt":"2025-05-22T03:25:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202844\/"},"modified":"2025-05-22T11:25:02","modified_gmt":"2025-05-22T03:25:02","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-java-%e4%b8%ad%e9%80%9a%e8%bf%87%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95%e9%aa%8c%e8%af%81%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e9%80%bb%e8%be%91%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202844\/","title":{"rendered":"\u5982\u4f55\u5728 Java \u4e2d\u901a\u8fc7\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1\u5f02\u5e38\u5904\u7406\u903b\u8f91\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u901a\u8fc7\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1\u5f02\u5e38\u5904\u7406\u903b\u8f91\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u5728 Java \u4e2d\u901a\u8fc7\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1\u5f02\u5e38\u5904\u7406\u903b\u8f91\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

\u5728 Java \u4e2d\u901a\u8fc7\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1\u5f02\u5e38\u5904\u7406\u903b\u8f91\u81f3\u5173\u91cd\u8981\u3002JUnit 5 \u63d0\u4f9b\u4e86\u65b9\u6cd5\u6765\u6d4b\u8bd5\u5f02\u5e38\u5904\u7406\uff1a\u4f7f\u7528assertThrows\u65ad\u8a00\u629b\u51fa\u4e00\u4e2a\u7279\u5b9a\u7684\u5f02\u5e38\u3002\u4f7f\u7528assertDoesNotThrow\u65ad\u8a00\u4e0d\u629b\u51fa\u4efb\u4f55\u5f02\u5e38\u3002\u7f16\u5199\u4e00\u4e2a\u5177\u6709\u5f02\u5e38\u5904\u7406\u903b\u8f91\u7684\u65b9\u6cd5\uff0c\u5e76\u5728\u6d4b\u8bd5\u4e2d\u8c03\u7528\u5b83\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n

<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u901a\u8fc7\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1\u5f02\u5e38\u5904\u7406\u903b\u8f91\uff1f<\/strong><\/p>\n

\u5355\u5143\u6d4b\u8bd5\u5728\u9a8c\u8bc1\u5f02\u5e38\u5904\u7406\u903b\u8f91\u65f6\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u6709\u52a9\u4e8e\u786e\u4fdd\u5728\u51fa\u73b0\u5f02\u5e38\u65f6\u7cfb\u7edf\u884c\u4e3a\u7b26\u5408\u9884\u671f\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 JUnit 5 \u5728 Java \u4e2d\u7f16\u5199\u5f02\u5e38\u5904\u7406\u5355\u5143\u6d4b\u8bd5\uff1a<\/p>\n

import static org.junit.jupiter.api.Assertions.*;\nimport org.junit.jupiter.api.Test;\n\npublic class ExceptionHandlingTest {\n\n    @Test\n    public void shouldThrowException() {\n        MyService service = new MyService();\n        assertThrows(IllegalArgumentException.class, () -> service.doSomething(null));\n    }\n\n    @Test\n    public void shouldHandleExceptionGracefully() {\n        MyService service = new MyService();\n        assertDoesNotThrow(() -> service.doSomethingWithExceptionHandling(null));\n    }\n\n    \/\/ \u5b9e\u9645\u4ee3\u7801\u793a\u4f8b\n    public class MyService {\n\n        public void doSomething(String arg) {\n            if (arg == null) {\n                throw new IllegalArgumentException(\"Invalid argument\");\n            }\n            \/\/ \u5176\u4f59\u903b\u8f91\n        }\n\n        public void doSomethingWithExceptionHandling(String arg) {\n            try {\n                doSomething(arg);\n            } catch (IllegalArgumentException e) {\n                \/\/ \u5904\u7406\u5f02\u5e38\n            }\n        }\n    }\n}<\/pre>\n
\u793a\u4f8b\u8bf4\u660e\uff1a<\/strong><\/p>\n
    \n
  • @Test<\/code> \u6ce8\u89e3\u7528\u4e8e\u6807\u8bc6\u6d4b\u8bd5\u65b9\u6cd5\u3002<\/li>\n
  • assertThrows<\/code> \u65b9\u6cd5\u7528\u4e8e\u65ad\u8a00\u629b\u51fa\u4e00\u4e2a\u7279\u5b9a\u7684\u5f02\u5e38\u3002<\/li>\n
  • assertDoesNotThrow<\/code> \u65b9\u6cd5\u7528\u4e8e\u65ad\u8a00\u4e0d\u629b\u51fa\u4efb\u4f55\u5f02\u5e38\u3002<\/li>\n
  • MyService<\/code> \u7c7b\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5177\u6709\u5f02\u5e38\u5904\u7406\u903b\u8f91\u7684\u65b9\u6cd5\u3002<\/li>\n
  • \u5b9e\u9645\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u629b\u51fa\u5f02\u5e38\u548c\u4f18\u96c5\u5730\u5904\u7406\u5f02\u5e38\u3002<\/li>\n<\/ul>\n
    \u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u786e\u4fdd\u60a8\u7684 Java \u4ee3\u7801\u6b63\u786e\u5904\u7406\u5f02\u5e38\uff0c\u4ece\u800c\u589e\u5f3a\u5176\u5065\u58ee\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u5728 Java \u4e2d\u901a\u8fc7\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1\u5f02\u5e38\u5904\u7406\u903b\u8f91\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u5728 Java \u4e2d\u901a\u8fc7\u5355\u5143\u6d4b\u8bd5...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202844","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202844"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202844\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}