{"id":202614,"date":"2025-05-22T09:45:01","date_gmt":"2025-05-22T01:45:01","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202614\/"},"modified":"2025-05-22T09:45:01","modified_gmt":"2025-05-22T01:45:01","slug":"java-%e5%87%bd%e6%95%b0%e7%ba%bf%e7%a8%8b%e5%ae%89%e5%85%a8%e6%80%a7%e7%9a%84%e8%87%aa%e5%8a%a8%e5%8c%96%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202614\/","title":{"rendered":"Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u81ea\u52a8\u5316\u6d4b\u8bd5"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u81ea\u52a8\u5316\u6d4b\u8bd5<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u81ea\u52a8\u5316\u6d4b\u8bd5\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<p>\u7b54\u6848\uff1a\u4f7f\u7528 JUnit \u548c PowerMock \u53ef\u4ee5\u81ea\u52a8\u5316 Java \u51fd\u6570\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u6d4b\u8bd5\u3002\u521b\u5efa\u4e00\u4e2a\u6a21\u62df\u5bf9\u8c61\u6765\u66ff\u6362\u5b9e\u9645\u5bf9\u8c61\u3002\u8bbe\u7f6e\u6a21\u62df\u8c03\u7528\u4ee5\u8bb0\u5f55\u5bf9\u5176\u65b9\u6cd5\u7684\u8c03\u7528\u3002\u542f\u52a8\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8c03\u7528\u540c\u4e00\u51fd\u6570\u3002\u4f7f\u7528 JUnit \u7684 @Test \u6ce8\u89e3\u7f16\u5199\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u65ad\u8a00\u6a21\u62df\u8c03\u7528\u4ee5\u6b63\u786e\u7684\u987a\u5e8f\u8bb0\u5f55\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729924402671c8d32edf57.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u81ea\u52a8\u5316\u6d4b\u8bd5<\/strong><\/p>\n<p><strong>\u524d\u8a00<\/strong><\/p>\n<p>\u7ebf\u7a0b\u5b89\u5168\u6027\u662f\u5e76\u884c\u7f16\u7a0b\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u4e00\u70b9\u3002\u5f53\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bbf\u95ee\u4e00\u4e2a\u51fd\u6570\u65f6\uff0c\u5982\u679c\u4e0d\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u6027\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7ade\u6001\u6761\u4ef6\u548c\u6570\u636e\u635f\u574f\u3002\u672c\u6587\u4ecb\u7ecd\u4e00\u79cd\u4f7f\u7528 JUnit \u548c PowerMock \u7684\u81ea\u52a8\u5316\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u4ee5\u9a8c\u8bc1 Java \u51fd\u6570\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u3002<\/p>\n<p><strong>\u81ea\u52a8\u5316\u6d4b\u8bd5\u65b9\u6cd5<\/strong><\/p>\n<p>\u6211\u4eec\u7684\u6d4b\u8bd5\u65b9\u6cd5\u6d89\u53ca\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li><strong>\u521b\u5efa\u6a21\u62df\u5bf9\u8c61\uff1a<\/strong>\u4f7f\u7528 PowerMock \u521b\u5efa\u4e00\u4e2a\u6a21\u62df\u5bf9\u8c61\uff0c\u7528\u4e8e\u66ff\u6362\u8981\u6d4b\u8bd5\u7684\u5b9e\u9645\u5bf9\u8c61\u3002<\/li>\n<li><strong>\u8bbe\u7f6e\u6a21\u62df\u8c03\u7528\uff1a<\/strong>\u914d\u7f6e\u6a21\u62df\u5bf9\u8c61\uff0c\u4f7f\u5b83\u8bb0\u5f55\u6240\u6709\u5bf9\u5176\u65b9\u6cd5\u7684\u8c03\u7528\u3002<\/li>\n<li><strong>\u542f\u52a8\u591a\u4e2a\u7ebf\u7a0b\uff1a<\/strong>\u521b\u5efa\u591a\u4e2a\u7ebf\u7a0b\uff0c\u540c\u65f6\u8c03\u7528\u540c\u4e00\u51fd\u6570\u3002<\/li>\n<li><strong>\u9a8c\u8bc1\u987a\u5e8f\uff1a<\/strong>\u4f7f\u7528 JUnit \u7684 <code>@Test<\/code> \u6ce8\u89e3\u7f16\u5199\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u65ad\u8a00\u6a21\u62df\u8c03\u7528\u4ee5\u6b63\u786e\u7684\u987a\u5e8f\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<p><strong>\u4ee3\u7801\u793a\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u51fd\u6570 <code>concurrentMethod<\/code>\uff0c\u5b83\u8d1f\u8d23\u7ef4\u62a4\u4e00\u4e2a\u5171\u4eab\u8ba1\u6570\u5668\uff1a<\/p>\n<pre>public class ConcurrentClass {\n    private int counter;\n\n    public synchronized void concurrentMethod() {\n        counter++;\n    }\n}<\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u5bf9\u5176\u8fdb\u884c\u7ebf\u7a0b\u5b89\u5168\u6027\u6d4b\u8bd5\uff1a<\/p>\n<pre>import org.junit.Test;\nimport org.junit.runner.RunWith;\nimport org.powermock.api.mockito.PowerMockito;\nimport org.powermock.core.classloader.annotations.PrepareForTest;\nimport org.powermock.modules.junit4.PowerMockRunner;\n\n@RunWith(PowerMockRunner.class)\n@PrepareForTest(ConcurrentClass.class)\npublic class ConcurrentClassTest {\n\n    @Test\n    public void testConcurrentMethod() {\n        ConcurrentClass mockClass = PowerMockito.mock(ConcurrentClass.class);\n        PowerMockito.whenNew(ConcurrentClass.class).withAnyArguments().thenReturn(mockClass);\n        \n        \/\/ \u542f\u52a8\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8c03\u7528 concurrentMethod\n        int numThreads = 10;\n        Thread[] threads = new Thread[numThreads];\n        for (int i = 0; i &lt; numThreads; i++) {\n            threads[i] = new Thread(() -&gt; {\n                mockClass.concurrentMethod();\n            });\n            threads[i].start();\n        }\n        \n        for (Thread thread : threads) {\n            thread.join();\n        }\n        \n        \/\/ \u65ad\u8a00\u8c03\u7528\u987a\u5e8f\n        PowerMockito.verifyPrivate(mockClass).invoke(\"concurrentMethod\");\n    }\n}<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u4f7f\u7528 JUnit \u548c PowerMock\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u81ea\u52a8\u5316 Java \u51fd\u6570\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u6d4b\u8bd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u786e\u4fdd\u4e86\u51fd\u6570\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u4ee5\u5b89\u5168\u4e14\u65e0\u7ade\u4e89\u7684\u65b9\u5f0f\u8fd0\u4f5c\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u9c81\u68d2\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aJava \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u81ea\u52a8\u5316\u6d4b\u8bd5\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ejava,\u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u81ea\u52a8\u5316&#46;&#46;&#46;<\/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-202614","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202614","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=202614"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202614\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}