{"id":301886,"date":"2024-05-20T18:20:31","date_gmt":"2024-05-20T10:20:31","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/301886.html"},"modified":"2024-05-20T18:20:38","modified_gmt":"2024-05-20T10:20:38","slug":"java-9%e5%bc%95%e5%85%a5%e7%9a%84%e6%a8%a1%e5%9d%97%e7%b3%bb%e7%bb%9f%e4%b8%ba%e4%bb%80%e4%b9%88%e9%82%a3%e4%b9%88%e5%a4%8d%e6%9d%82","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/301886.html","title":{"rendered":"Java 9\u5f15\u5165\u7684\u6a21\u5757\u7cfb\u7edf\u4e3a\u4ec0\u4e48\u90a3\u4e48\u590d\u6742"},"content":{"rendered":"

\"Java<\/p>\n

Java 9\u5f15\u5165\u7684\u6a21\u5757\u7cfb\u7edf\u4e4b\u6240\u4ee5\u663e\u5f97\u590d\u6742\uff0c\u4e3b\u8981\u662f\u56e0\u4e3a\u5b83\u5b9e\u73b0\u4e86\u7a0b\u5e8f\u7684\u5c01\u88c5\u548c\u9694\u79bb\u3001\u4f9d\u8d56\u6027\u7ba1\u7406\u548c\u670d\u52a1\u7684\u53d1\u73b0\u4e0e\u4f7f\u7528\u3002\u6781\u5927\u63d0\u5347\u4e86Java\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u5b89\u5168\u6027\uff0c\u540c\u65f6\u786e\u4fdd\u4e86\u5411\u540e\u517c\u5bb9\u6027<\/strong>\u3002\u5b83\u5f15\u5165\u4e86\u6a21\u5757\u7684\u6982\u5ff5\uff0c\u8fd9\u662f\u4e00\u79cd\u65b0\u7684\u7a0b\u5e8f\u7ec4\u4ef6\uff0c\u6bd4\u4f20\u7edf\u7684jar\u6587\u4ef6\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u522b\u7684\u62bd\u8c61\u3002\u5728\u6a21\u5757\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a\u6a21\u5757\u90fd\u6709\u4e00\u4e2a\u6a21\u5757\u63cf\u8ff0\u7b26\uff08module-info.java\uff09\uff0c\u5b83\u5b9a\u4e49\u4e86\u6a21\u5757\u7684\u540d\u79f0\u3001\u5b83\u6240\u9700\u7684\u5176\u4ed6\u6a21\u5757\u4ee5\u53ca\u5b83\u5bfc\u51fa\u7684\u5305\u7b49\u4fe1\u606f\uff0c\u4ece\u800c\u5f62\u6210\u4e86\u4e00\u4e2a\u6e05\u6670\u7684\u4f9d\u8d56\u56fe\u3002\u8003\u8651\u5230Java\u5e7f\u6cdb\u7684\u5e94\u7528\u548c\u6570\u4ee5\u767e\u4e07\u8ba1\u7684\u73b0\u6709\u4ee3\u7801\u5e93\uff0c\u6b64\u7cfb\u7edf\u9700\u8981\u8bbe\u8ba1\u5f97\u8db3\u591f\u901a\u7528\u4ee5\u5e94\u5bf9\u5404\u79cd\u4f7f\u7528\u573a\u666f\uff0c\u8fd9\u81ea\u7136\u589e\u52a0\u4e86\u5176\u590d\u6742\u6027\u3002<\/p>\n<\/p>\n

\u6b64\u5916\uff0c\u6a21\u5757\u7cfb\u7edf\u8fd8\u9700\u8981\u5904\u7406\u73b0\u6709\u7684\u7c7b\u8def\u5f84\u673a\u5236\uff0c\u5141\u8bb8\u672a\u6a21\u5757\u5316\u7684\u4ee3\u7801\uff08\u975e\u6a21\u5757\u5316\u4ee3\u7801\u5373\u4f20\u7edf\u7684JAR\u6587\u4ef6\uff09\u548c\u65b0\u7684\u6a21\u5757\u5316\u4ee3\u7801\u5171\u5b58\u3002\u8fd9\u79cd\u53cc\u6a21\u5f0f\u652f\u6301\u8fdb\u4e00\u6b65\u52a0\u6df1\u4e86\u7528\u6237\u5728\u8fc1\u79fb\u73b0\u6709\u5e94\u7528\u7a0b\u5e8f\u65f6\u9700\u8981\u7406\u89e3\u7684\u590d\u6742\u6027\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u6a21\u5757\u7cfb\u7edf\u7684\u6838\u5fc3\u6982\u5ff5<\/h3>\n<\/p>\n

Java 9\u6a21\u5757\u7cfb\u7edf\u7684\u4e00\u4e2a\u6838\u5fc3\u6982\u5ff5\u662f\u6a21\u5757\u3002\u4e00\u4e2a\u6a21\u5757\u662f\u4e00\u7ec4\u76f8\u5173\u7684Java\u4ee3\u7801\uff08\u7c7b\u548c\u63a5\u53e3\uff09\uff0c\u4ee5\u53ca\u4e0e\u8fd9\u4e9b\u4ee3\u7801\u76f8\u5173\u7684\u8d44\u6e90\u6587\u4ef6\u3002\u6bcf\u4e2a\u6a21\u5757\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u540d\u79f0\uff0c\u8fd8\u5b9a\u4e49\u4e86\u54ea\u4e9b\u5176\u4ed6\u6a21\u5757\u9700\u8981\u5b83\uff0c\u4ee5\u53ca\u5b83\u5411\u54ea\u4e9b\u6a21\u5757\u66b4\u9732\u5176API<\/strong>\u3002\u8fd9\u4e2a\u4fe1\u606f\u662f\u5728module-info.java<\/code>\u6587\u4ef6\u4e2d\u58f0\u660e\u7684\u3002<\/p>\n<\/p>\n

\u5728\u6a21\u5757\u7cfb\u7edf\u4e2d\uff0cJava\u7c7b\u4e0d\u518d\u4ec5\u4ec5\u88ab\u7b80\u5355\u5730\u653e\u5165\u7c7b\u8def\u5f84\uff08CLASSPATH\uff09\u4e2d\uff0c\u800c\u662f\u9700\u8981\u88ab\u5206\u914d\u5230\u5177\u4f53\u7684\u6a21\u5757\u4e2d\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u9700\u8981\u7a0b\u5e8f\u5458\u7684\u4ecb\u5165\uff0c\u8fdb\u4e00\u6b65\u589e\u52a0\u4e86\u590d\u6742\u6027\uff0c\u4f46\u6362\u6765\u7684\u662f\u4ee3\u7801\u7684\u66f4\u597d\u7ed3\u6784\u548c\u66f4\u5f3a\u7684\u5c01\u88c5\u6027\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u6a21\u5757\u5316\u7684\u597d\u5904<\/h3>\n<\/p>\n

\u5c3d\u7ba1\u6a21\u5757\u7cfb\u7edf\u5f15\u5165\u4e86\u590d\u6742\u6027\uff0c\u4f46\u5b83\u5e26\u6765\u7684\u597d\u5904\u662f\u663e\u800c\u6613\u89c1\u7684\u3002\u9996\u5148\uff0c\u6a21\u5757\u5316\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u660e\u786e\u5212\u5206\u7a0b\u5e8f\u7684\u4e0d\u540c\u90e8\u5206\uff0c\u4fc3\u4f7f\u4ed6\u4eec\u91c7\u7528\u66f4\u52a0\u7ec4\u7ec7\u5316\u7684\u4ee3\u7801\u7ed3\u6784<\/strong>\u3002\u5176\u6b21\uff0c\u7531\u4e8e\u6bcf\u4e2a\u6a21\u5757\u90fd\u9700\u8981\u663e\u5f0f\u5730\u58f0\u660e\u5176\u4f9d\u8d56\uff0c\u8fd9\u8ba9\u4f9d\u8d56\u7ba1\u7406\u53d8\u5f97\u66f4\u52a0\u6e05\u6670\u548c\u7b80\u5316\u3002\u6b64\u5916\uff0c\u56e0\u4e3a\u6a21\u5757\u53ef\u4ee5\u9690\u85cf\u5185\u90e8\u5b9e\u73b0\uff0c\u8fd9\u6837\u53ef\u4ee5\u4fdd\u62a4\u4ee3\u7801\u907f\u514d\u88ab\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee<\/strong>\u3002<\/p>\n<\/p>\n

\u6a21\u5757\u5316\u8fd8\u53ef\u4ee5\u51cf\u5c0f\u5e94\u7528\u7a0b\u5e8f\u7684\u5927\u5c0f\uff0c\u56e0\u4e3a\u5141\u8bb8JVM\u4ec5\u5305\u542b\u6240\u9700\u7684\u6a21\u5757\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u6a21\u5757\u63cf\u8ff0\u7b26<\/h3>\n<\/p>\n

\u6a21\u5757\u63cf\u8ff0\u7b26module-info.java<\/code>\u662f\u6a21\u5757\u7cfb\u7edf\u7684\u6838\u5fc3\u6587\u4ef6\u4e4b\u4e00\u3002\u5b83\u5728\u6a21\u5757\u7684\u6839\u76ee\u5f55\u4e0b\u5b9a\u4e49\u4e86\u6a21\u5757\u7684\u540d\u79f0\u3001\u4f9d\u8d56\u548c\u5bfc\u51fa\u3002\u5b83\u5141\u8bb8\u6a21\u5757\u58f0\u660e\u6240\u9700\u7684\u5176\u4ed6\u6a21\u5757\uff0c\u4ee5\u53ca\u5b83\u5411\u5916\u754c\u63d0\u4f9b\u7684API\u63a5\u53e3<\/strong>\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u63d0\u4f9b\u4e86\u975e\u5e38\u7ec6\u7c92\u5ea6\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u4e0d\u8fc7\u540c\u65f6\u4e5f\u63d0\u9ad8\u4e86\u914d\u7f6e\u7684\u590d\u6742\u6027\u3002<\/p>\n<\/p>\n

\u5728\u8fd9\u4e2a\u6587\u4ef6\u4e2d\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528requires<\/code>\u6765\u58f0\u660e\u4f9d\u8d56\uff0c\u4f7f\u7528exports<\/code>\u6765\u58f0\u660e\u516c\u5f00\u7684\u5305\uff0c\u4f7f\u7528uses<\/code>\u548cprovides<\/code>\u6765\u5904\u7406\u670d\u52a1\u52a0\u8f7d\u3002\u7531\u4e8emodule-info.java<\/code>\u4e2d\u6240\u9700\u58f0\u660e\u7684\u5185\u5bb9\u53ef\u80fd\u975e\u5e38\u7e41\u6742\uff0c\u8fd9\u9700\u8981\u5f00\u53d1\u8005\u5bf9\u6240\u5f00\u53d1\u7cfb\u7edf\u6709\u6df1\u5165\u7684\u4e86\u89e3\u3002<\/p>\n<\/p>\n

\u56db\u3001\u4e0e\u7c7b\u8def\u5f84\u7684\u4e92\u64cd\u4f5c\u6027<\/h3>\n<\/p>\n

\u4e3a\u4fdd\u6301\u5411\u540e\u517c\u5bb9\u6027\uff0cJava\u6a21\u5757\u7cfb\u7edf\u9700\u8981\u80fd\u591f\u5904\u7406\u975e\u6a21\u5757\u5316\u7684\u4ee3\u7801\u3002\u8fd9\u901a\u8fc7\u5f15\u5165\u540d\u4e3aUnnamed Module<\/code>\u7684\u6982\u5ff5\u5b9e\u73b0\u7684\u3002\u6240\u6709\u4f20\u7edf\u7c7b\u8def\u5f84\u4e0a\u7684JAR\u6587\u4ef6\u90fd\u88ab\u89c6\u4e3a\u5c5e\u4e8e\u4e00\u4e2a\u7279\u522b\u7684\u65e0\u540d\u6a21\u5757<\/strong>\u3002\u8fd9\u4e2a\u65e0\u540d\u6a21\u5757\u4e0e\u6240\u6709\u5176\u4ed6\u6a21\u5757\u90fd\u6709\u9690\u5f0f\u7684\u8bfb\u53d6\u6743\u9650\uff0c\u8fd9\u4fdd\u8bc1\u4e86\u4eceJava 8\u5411Java 9\u5e73\u53f0\u8fc1\u79fb\u4e0d\u4f1a\u5bfc\u81f4\u73b0\u6709\u7a0b\u5e8f\u65e0\u6cd5\u8fd0\u884c\u3002<\/p>\n<\/p>\n

\u540c\u65f6\uff0c\u8fd9\u52a0\u5267\u4e86\u590d\u6742\u6027\uff0c\u56e0\u4e3a\u5f00\u53d1\u8005\u9700\u8981\u7406\u89e3\u6a21\u5757\u8def\u5f84\uff08module-path\uff09\u4e0e\u4f20\u7edf\u7684\u7c7b\u8def\u5f84\uff08classpath\uff09\u662f\u5982\u4f55\u5e76\u5b58\uff0c\u5e76\u4e14\u63a8\u6d4b\u51fa\u52a0\u8f7d\u7279\u5b9a\u7c7b\u65f6JVM\u7684\u884c\u4e3a\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

\u4e3a\u4ec0\u4e48Java 9\u7684\u6a21\u5757\u7cfb\u7edf\u5728\u8bbe\u8ba1\u4e0a\u663e\u5f97\u590d\u6742\uff1f<\/strong><\/p>\n

Java 9\u7684\u6a21\u5757\u7cfb\u7edf\u88ab\u8ba4\u4e3a\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8bbe\u8ba1\uff0c\u8fd9\u4e3b\u8981\u662f\u7531\u4e8e\u4ee5\u4e0b\u51e0\u4e2a\u539f\u56e0\uff1a<\/p>\n

    \n
  1. \n

    \u6ee1\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7075\u6d3b\u6027<\/strong>\uff1aJava 9\u7684\u6a21\u5757\u7cfb\u7edf\u88ab\u8bbe\u8ba1\u4e3a\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u9879\u76ee\u548c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002\u5b83\u63d0\u4f9b\u4e86\u7ec6\u7c92\u5ea6\u7684\u6a21\u5757\u5212\u5206\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5bf9\u5404\u4e2a\u6a21\u5757\u8fdb\u884c\u7cbe\u786e\u7684\u63a7\u5236\u548c\u5b9a\u4e49\uff0c\u8fd9\u79cd\u7075\u6d3b\u6027\u53ef\u4ee5\u6ee1\u8db3\u5404\u7c7b\u9879\u76ee\u5bf9\u6a21\u5757\u5316\u7684\u4e0d\u540c\u8981\u6c42\u3002<\/p>\n<\/li>\n

  2. \n

    \u907f\u514d\u5197\u4f59\u548c\u4e0d\u5fc5\u8981\u7684\u4f9d\u8d56<\/strong>\uff1a\u6a21\u5757\u7cfb\u7edf\u7684\u4e00\u4e2a\u5173\u952e\u76ee\u6807\u662f\u51cf\u5c11\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5197\u4f59\u548c\u4e0d\u5fc5\u8981\u7684\u4f9d\u8d56\uff0c\u4ee5\u63d0\u9ad8\u5e94\u7528\u7684\u6027\u80fd\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u8bbe\u8ba1\u8005\u5fc5\u987b\u8003\u8651\u5404\u79cd\u4e0d\u540c\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u5e76\u5236\u5b9a\u4e86\u4e00\u5957\u89c4\u5219\u6765\u786e\u4fdd\u6a21\u5757\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u662f\u51c6\u786e\u548c\u6709\u6548\u7684\u3002<\/p>\n<\/li>\n

  3. \n

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