Zviki Cohen\u57fa\u65bc\u81ea\u5df1\u63a2\u7d22\u548c\u7406\u89e3\u4ed6\u4eba\u6240\u7de8\u5beb\u4ee3\u78bc\u7684\u9ad4\u9a57\uff0c\u767c\u5e03\u4e86\u8ddf\u8e64Java\u57f7\u884c\u904e\u7a0b\u76845\u7a2e\u65b9\u6cd5\u3002\u4ed6\u767c\u73fe\u7c21\u55ae\u7684\u95b1\u8b80\u6e90\u4ee3\u78bc\uff08\u6709\u4e9b\u60c5\u6cc1\u4e0b\u662f\u53cd\u7de8\u8b6f\u4ee3\u78bc\uff09\uff0c\u53ef\u80fd\u662f\u5341\u5206\u4e4f\u5473\u548c\u6709\u932f\u8aa4\u50be\u5411\u7684\u904e\u7a0b\u3002
\n\u3000\u3000\u4f5c\u70ba\u66ff\u4ee3\uff0c\u4ed6\u63a8\u85a6\u4e865\u7a2e\u4e0d\u540c\u904b\u884c\u6642\u8ddf\u8e64\u65b9\u6cd5\u4ee5\u5728Java\u4ee3\u78bc\u904b\u884c\u6642\u89c0\u5bdf\u5b83\uff0c\u6d88\u9664\u4e86\u5b78\u7fd2\u4ed6\u4eba\u4ee3\u78bc\u7684\u8a31\u591a\u4e0d\u5229\u689d\u4ef6\u3002\u4ee5\u4e0b\u6fc3\u7e2e\u4e86\u4ed6\u76845\u500b\u5efa\u8b70\uff1a<\/p>\n
\u3000\u30001\u3001\u57fa\u672c\u65b9\u6cd5\uff1a\u65b7\u9ede\u548c\u55ae\u6b65\u57f7\u884c<\/p>\n
\u3000\u3000\u201c\u4ee5\u6700\u7c21\u55ae\u7684\u65b9\u6cd5\u958b\u59cb\uff1a\u8a2d\u7f6e\u65b7\u9ede\u4e26\u958b\u59cb\u8ddf\u8e64\u59b3\u7684\u7a0b\u5e8f\u57f7\u884c\u3002\u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u59b3\u9700\u8981\u58f9\u500b\u5feb\u901f\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u59b3\u64c1\u6709\u6240\u6709\u4ee3\u78bc\u4e26\u4e14\u77e5\u9053\u60f3\u5728\u54ea\u88cf\u505c\u6b62\u57f7\u884c\u3002\u59b3\u9700\u8981\u5728\u7d66\u5b9a\u65b7\u9ede\u8a2d\u7f6e\u7cbe\u7d30\u7684\u4fe1\u606f\uff08\u53c3\u6578\u3001\u5c40\u90e8\u8b8a\u91cf\u7b49\u7b49\uff09\u3002\u201d<\/p>\n
\u3000\u30002\u3001\u521d\u7d1a\u65b9\u6cd5\uff1a\u8abf\u8a66\u6d88\u606f<\/p>\n
\u3000\u3000\u201c\u6211\u5011\u901a\u904e\u8a2d\u7f6e\u8abf\u8a66\u6d88\u606f\u4f86\u7e7c\u7e8c\u5c0d\u7a0b\u5e8f\u8ddf\u8e64\u3002\u6700\u7c21\u55ae\u7684\u65b9\u6cd5\u662f\u4f7f\u7528System.out.println\u8a9e\u53e5\u628a\u6d88\u606f\u6253\u5370\u5230\u63a7\u5236\u81fa\u3002 \u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u59b3\u64c1\u6709\u4ee3\u78bc\u4e14\u5f88\u6e05\u695a\u59b3\u6b63\u5728\u5c0b\u627e\u4ec0\u9ebd\u3002\u5c0d\u4e8b\u4ef6\u8655\u7406\u5668\u4f86\u8aaa\u9019\u662f\u975e\u5e38\u597d\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u7576\u8cab\u7a7f\u67d0\u58f9\u5fa9\u96dc\u6d41\u7a0b\u7684\u57f7\u884c\u904e\u7a0b\u6642\uff0c\u5b83\u7684\u9ad8\u6027\u80fd\u5c0d\u7406\u89e3\u89f8\u767c\u4e86\u54ea\u500b\u4e8b\u4ef6\u662f\u975e\u5e38\u5be6\u7528\u7684\u3002\u201d<\/p>\n
\u3000\u30003\u3001\u71b1\u9580\u65b9\u6cd5\uff1a\u52d5\u614b\u4ee3\u7406\uff08Dynamic Proxy\uff09<\/p>\n
\u3000\u3000\u201c\u9019\u662f\u5728\u7c21\u55ae\u8abf\u8a66\u6d88\u606f\u4e4b\u4e0a\u6240\u505a\u7684\u6539\u9032\u3002\u52d5\u614b\u4ee3\u7406\u662f\u58f9\u500b\u7279\u5b9a\u7684Java\u7279\u6027\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u5f15\u5165proxy\u985e\uff0c\u52a0\u9032\u67d0\u58f9\u7d66\u5b9a\u985e\u4e4b\u524d\uff0c\u4e26\u901a\u904e\u67d0\u58f9\u7d66\u5b9a\u63a5\u53e3\u622a\u7372\u6240\u6709\u8abf\u7528\u3002\u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u5b83\u5c0d\u4e8b\u4ef6\u8655\u7406\u5668\u4f86\u8aaa\u662f\u975e\u5e38\u597d\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u59b3\u53ef\u4ee5\u5728\u5f88\u77ed\u6642\u9593\u5167\u7528\u58f9\u500b\u666e\u901a\u4ee3\u7406\u8a2d\u7f6e\u58f9\u500b\u865b\u64ec\u4e8b\u4ef6\u8655\u7406\u5668\uff0c\u4f86\u67e5\u770b\u4e8b\u4ef6\u767c\u751f\u9806\u5e8f\u3002\u7576\u9700\u8981\u7406\u89e3\u4e8b\u4ef6\u8655\u7406\u5668\u6642\u9019\u662f\u6700\u7c21\u55ae\u548c\u5feb\u6377\u7684\u65b9\u6cd5\u3002\u201d<\/p>\n
\u3000\u30004\u3001\u66b4\u529b\u65b9\u6cd5\uff1a\u904b\u884c\u6642\u5256\u6790\u5668\uff08Run-time Profiler\uff09<\/p>\n
\u3000\u3000\u201c\u5256\u6790\u5668\u662f\u901a\u904e\u7279\u5b9a\u7684JVM hooks\u5728\u7cfb\u7d71\u4e2d\u8ddf\u8e64\u6240\u6709\u8abf\u7528\u7684\u5f37\u5927\u5de5\u5177\u3002\u4f46\u662f\u7528\u5b83\u4f86\u8ddf\u8e64\u57f7\u884c\u904e\u7a0b\u662f\u5927\u624d\u5c0f\u7528\u3002\u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u59b3\u60f3\u64c1\u6709\u58f9\u500b\u7279\u5b9a\u64cd\u4f5c\u7684\u5b8c\u6574\u756b\u5377\uff08\u5982\uff0c\u975e\u5e38\u77ed\u7684\u57f7\u884c\u6d41\u7a0b\uff09\u3002\u201d<\/p>\n
\u3000\u30005\u3001\u65b0\u6642\u4ee3\uff1aAspects<\/p>\n
\u3000\u3000\u201c\u9762\u5411\u65b9\u9762\u7de8\u7a0b\uff08Aspect Oriented Programming\u2014\u2014AOP\uff09\u662f\u58f9\u500b\u975e\u51e1\u7684\u60f3\u6cd5\u3002\u7121\u9700\u6df1\u5165Aspect\u6982\u5ff5\uff0c\u9019\u88cf\u53ea\u8003\u616e\u5176\u80fd\u529b\uff1a\u5b83\u662f\u622a\u7372\u59b3\u7684\u4ee3\u78bc\u57f7\u884c\u65e2\u5feb\u901f\u53c8\u5bb9\u6613\u7684\u65b9\u6cd5\u3002\u59b3\u53ef\u4ee5\u570d\u7e5e\u65b9\u6cd5\u3001\u69cb\u9020\u5668\u3001\u5c6c\u6027\u8a2a\u554f\u7b49\u7b49\u6709\u9078\u64c7\u5730\u8a2d\u7f6ehook\uff0c\u800c\u4e0d\u9700\u8981\u4fee\u6539\u539f\u59cb\u4ee3\u78bc\u3002\u5728\u9019\u4e9bhook\u4e2d\uff0c\u59b3\u53ef\u4ee5\u6253\u5370\u8abf\u8a66\u6d88\u606f\u3002\u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u59b3\u60f3\u8ddf\u8e64\u53ef\u91cd\u65b0\u69cb\u5efa\u7684\u4ee3\u78bc\u57f7\u884c\u3002\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"
Zviki Cohen\u57fa\u65bc\u81ea\u5df1\u63a2\u7d22\u548c\u7406\u89e3\u4ed6\u4eba\u6240\u7de8\u5beb\u4ee3\u78bc\u7684\u9ad4\u9a57\uff0c\u767c\u5e03\u4e86\u8ddf\u8e64Java\u57f7\u884c\u904e\u7a0b\u76845\u7a2e\u65b9\u6cd5\u3002\u4ed6\u767c\u73fe\u7c21\u55ae\u7684\u95b1\u8b80\u6e90\u4ee3\u78bc\uff08\u6709\u4e9b\u60c5\u6cc1\u4e0b\u662f\u53cd\u7de8\u8b6f\u4ee3\u78bc\uff09\uff0c\u53ef\u80fd\u662f\u5341\u5206\u4e4f\u5473\u548c\u6709\u932f\u8aa4\u50be\u5411\u7684\u904e\u7a0b\u3002 \u3000\u3000\u4f5c\u70ba\u66ff\u4ee3\uff0c\u4ed6\u63a8\u85a6\u4e865\u7a2e\u4e0d\u540c\u904b\u884c\u6642\u8ddf\u8e64\u65b9\u6cd5\u4ee5\u5728Java\u4ee3\u78bc\u904b\u884c\u6642\u89c0\u5bdf\u5b83\uff0c\u6d88\u9664\u4e86\u5b78\u7fd2\u4ed6\u4eba\u4ee3\u78bc\u7684\u8a31\u591a\u4e0d\u5229\u689d\u4ef6\u3002\u4ee5\u4e0b\u6fc3\u7e2e\u4e86\u4ed6\u76845\u500b\u5efa\u8b70\uff1a \u3000\u30001\u3001\u57fa\u672c\u65b9\u6cd5\uff1a\u65b7\u9ede\u548c\u55ae\u6b65\u57f7\u884c \u3000\u3000\u201c\u4ee5\u6700\u7c21\u55ae\u7684\u65b9\u6cd5\u958b\u59cb\uff1a\u8a2d\u7f6e\u65b7\u9ede\u4e26\u958b\u59cb\u8ddf\u8e64\u59b3\u7684\u7a0b\u5e8f\u57f7\u884c\u3002\u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u59b3\u9700\u8981\u58f9\u500b\u5feb\u901f\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u59b3\u64c1\u6709\u6240\u6709\u4ee3\u78bc\u4e26\u4e14\u77e5\u9053\u60f3\u5728\u54ea\u88cf\u505c\u6b62\u57f7\u884c\u3002\u59b3\u9700\u8981\u5728\u7d66\u5b9a\u65b7\u9ede\u8a2d\u7f6e\u7cbe\u7d30\u7684\u4fe1\u606f\uff08\u53c3\u6578\u3001\u5c40\u90e8\u8b8a\u91cf\u7b49\u7b49\uff09\u3002\u201d \u3000\u30002\u3001\u521d\u7d1a\u65b9\u6cd5\uff1a\u8abf\u8a66\u6d88\u606f \u3000\u3000\u201c\u6211\u5011\u901a\u904e\u8a2d\u7f6e\u8abf\u8a66\u6d88\u606f\u4f86\u7e7c\u7e8c\u5c0d\u7a0b\u5e8f\u8ddf\u8e64\u3002\u6700\u7c21\u55ae\u7684\u65b9\u6cd5\u662f\u4f7f\u7528System.out.println\u8a9e\u53e5\u628a\u6d88\u606f\u6253\u5370\u5230\u63a7\u5236\u81fa\u3002 \u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u59b3\u64c1\u6709\u4ee3\u78bc\u4e14\u5f88\u6e05\u695a\u59b3\u6b63\u5728\u5c0b\u627e\u4ec0\u9ebd\u3002\u5c0d\u4e8b\u4ef6\u8655\u7406\u5668\u4f86\u8aaa\u9019\u662f\u975e\u5e38\u597d\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u7576\u8cab\u7a7f\u67d0\u58f9\u5fa9\u96dc\u6d41\u7a0b\u7684\u57f7\u884c\u904e\u7a0b\u6642\uff0c\u5b83\u7684\u9ad8\u6027\u80fd\u5c0d\u7406\u89e3\u89f8\u767c\u4e86\u54ea\u500b\u4e8b\u4ef6\u662f\u975e\u5e38\u5be6\u7528\u7684\u3002\u201d \u3000\u30003\u3001\u71b1\u9580\u65b9\u6cd5\uff1a\u52d5\u614b\u4ee3\u7406\uff08Dynamic Proxy\uff09 \u3000\u3000\u201c\u9019\u662f\u5728\u7c21\u55ae\u8abf\u8a66\u6d88\u606f\u4e4b\u4e0a\u6240\u505a\u7684\u6539\u9032\u3002\u52d5\u614b\u4ee3\u7406\u662f\u58f9\u500b\u7279\u5b9a\u7684Java\u7279\u6027\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u5f15\u5165proxy\u985e\uff0c\u52a0\u9032\u67d0\u58f9\u7d66\u5b9a\u985e\u4e4b\u524d\uff0c\u4e26\u901a\u904e\u67d0\u58f9\u7d66\u5b9a\u63a5\u53e3\u622a\u7372\u6240\u6709\u8abf\u7528\u3002\u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u5b83\u5c0d\u4e8b\u4ef6\u8655\u7406\u5668\u4f86\u8aaa\u662f\u975e\u5e38\u597d\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u59b3\u53ef\u4ee5\u5728\u5f88\u77ed\u6642\u9593\u5167\u7528\u58f9\u500b\u666e\u901a\u4ee3\u7406\u8a2d\u7f6e\u58f9\u500b\u865b\u64ec\u4e8b\u4ef6\u8655\u7406\u5668\uff0c\u4f86\u67e5\u770b\u4e8b\u4ef6\u767c\u751f\u9806\u5e8f\u3002\u7576\u9700\u8981\u7406\u89e3\u4e8b\u4ef6\u8655\u7406\u5668\u6642\u9019\u662f\u6700\u7c21\u55ae\u548c\u5feb\u6377\u7684\u65b9\u6cd5\u3002\u201d \u3000\u30004\u3001\u66b4\u529b\u65b9\u6cd5\uff1a\u904b\u884c\u6642\u5256\u6790\u5668\uff08Run-time Profiler\uff09 \u3000\u3000\u201c\u5256\u6790\u5668\u662f\u901a\u904e\u7279\u5b9a\u7684JVM hooks\u5728\u7cfb\u7d71\u4e2d\u8ddf\u8e64\u6240\u6709\u8abf\u7528\u7684\u5f37\u5927\u5de5\u5177\u3002\u4f46\u662f\u7528\u5b83\u4f86\u8ddf\u8e64\u57f7\u884c\u904e\u7a0b\u662f\u5927\u624d\u5c0f\u7528\u3002\u5b83\u5728\u9019\u4e9b\u6642\u5019\u662f\u6700\u597d\u7684\uff1a\u59b3\u60f3\u64c1\u6709\u58f9\u500b\u7279\u5b9a\u64cd\u4f5c\u7684\u5b8c\u6574\u756b\u5377\uff08\u5982\uff0c\u975e\u5e38\u77ed\u7684\u57f7\u884c\u6d41\u7a0b\uff09\u3002\u201d \u3000\u30005\u3001\u65b0\u6642\u4ee3\uff1aAspects \u3000\u3000\u201c\u9762\u5411\u65b9\u9762\u7de8\u7a0b\uff08Aspect Oriented 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