{"id":110,"date":"2008-03-08T13:38:47","date_gmt":"2008-03-08T13:38:47","guid":{"rendered":""},"modified":"2008-03-08T13:38:47","modified_gmt":"2008-03-08T13:38:47","slug":"110","status":"publish","type":"post","link":"https:\/\/www.poloo.org\/?p=110","title":{"rendered":"\u5907\u5fd8\u5f55\u6a21\u5f0f(Memento pattern)"},"content":{"rendered":"

\u4e00\u3001\u5f15\u5b50 <\/p>\n

\u3000\u3000\u4fd7\u8bdd\u8bf4\uff1a\u4e16\u4e0a\u96be\u4e70\u540e\u6094\u836f\u3002\u6240\u4ee5\u51e1\u4e8b\u8bb2\u7a76\u4e2a\u201c\u4e09\u601d\u800c\u540e\u884c\u201d\uff0c\u4f46\u603b\u5e38\u89c1\u6709\u4eba\u505a\u201c\u75db\u5fc3\u75be\u9996\u201d\u72b6\uff1a\u5f53\u521d\u6211\u8981\u662f\u2026\u2026\u3002\u5982\u679c\u771f\u7684\u6709\u300a\u5927\u8bdd\u897f\u6e38\u300b\u4e2d\u80fd\u65f6\u5149\u5012\u6d41\u7684\u201c\u6708\u5149\u5b9d\u76d2\u201d\uff0c\u90a3\u8fd9\u4e16\u4e0a\u4e5f\u8bb8\u4f1a\u5c11\u4e00\u4e9b\u4f24\u611f\u4e0e\u540e\u6094\u2014\u2014\u5f53\u7136\u8fd9\u53ea\u80fd\u662f\u75f4\u4eba\u8bf4\u68a6\u4e86\u3002<\/p>\n

\u3000\u3000\u4f46\u662f\u5728\u6211\u4eec\u624b\u6307\u4e0b\u7684\u7a0b\u5e8f\u4e16\u754c\u91cc\uff0c\u5374\u6709\u7684\u540e\u6094\u836f\u4e70\u3002\u4eca\u5929\u6211\u4eec\u8981\u8bb2\u7684\u5907\u5fd8\u5f55\u6a21\u5f0f\u4fbf\u662f\u7a0b\u5e8f\u4e16\u754c\u91cc\u7684\u201c\u6708\u5149\u5b9d\u76d2\u201d\u3002<\/p>\n

\u3000\u3000\u4e8c\u3001\u5b9a\u4e49\u4e0e\u7ed3\u6784<\/p>\n

\u3000\u3000\u5907\u5fd8\u5f55\uff08Memento\uff09\u6a21\u5f0f\u53c8\u79f0\u6807\u8bb0\uff08Token\uff09\u6a21\u5f0f\u3002GOF\u7ed9\u5907\u5fd8\u5f55\u6a21\u5f0f\u7684\u5b9a\u4e49\u4e3a\uff1a\u5728\u4e0d\u7834\u574f\u5c01\u88c5\u6027\u7684\u524d\u63d0\u4e0b\uff0c\u6355\u83b7\u4e00\u4e2a\u5bf9\u8c61\u7684\u5185\u90e8\u72b6\u6001\uff0c\u5e76\u5728\u8be5\u5bf9\u8c61\u4e4b\u5916\u4fdd\u5b58\u8fd9\u4e2a\u72b6\u6001\u3002\u8fd9\u6837\u4ee5\u540e\u5c31\u53ef\u5c06\u8be5\u5bf9\u8c61\u6062\u590d\u5230\u539f\u5148\u4fdd\u5b58\u7684\u72b6\u6001\u3002<\/p>\n

\u3000\u3000\u5728\u8bb2\u547d\u4ee4\u6a21\u5f0f\u7684\u65f6\u5019\uff0c\u6211\u4eec\u66fe\u7ecf\u63d0\u5230\u5229\u7528\u4e2d\u95f4\u7684\u547d\u4ee4\u89d2\u8272\u53ef\u4ee5\u5b9e\u73b0undo\u3001redo\u7684\u529f\u80fd\u3002\u4ece\u5b9a\u4e49\u53ef\u4ee5\u770b\u51fa\u5907\u5fd8\u5f55\u6a21\u5f0f\u662f\u4e13\u95e8\u6765\u5b58\u653e\u5bf9\u8c61\u5386\u53f2\u72b6\u6001\u7684\uff0c\u8fd9\u5bf9\u4e8e\u5f88\u597d\u7684\u5b9e\u73b0undo\u3001redo\u529f\u80fd\u6709\u5f88\u5927\u7684\u5e2e\u52a9\u3002\u6240\u4ee5\u5728\u547d\u4ee4\u6a21\u5f0f\u4e2dundo\u3001redo\u529f\u80fd\u53ef\u4ee5\u914d\u5408\u5907\u5fd8\u5f55\u6a21\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n

\u3000\u3000\u5176\u5b9e\u5355\u5c31\u5b9e\u73b0\u4fdd\u5b58\u4e00\u4e2a\u5bf9\u8c61\u5728\u67d0\u4e00\u65f6\u523b\u7684\u72b6\u6001\u7684\u529f\u80fd\uff0c\u8fd8\u662f\u5f88\u7b80\u5355\u7684\u2014\u2014\u5c06\u5bf9\u8c61\u4e2d\u8981\u4fdd\u5b58\u7684\u5c5e\u6027\u653e\u5230\u4e00\u4e2a\u4e13\u95e8\u7ba1\u7406\u5907\u4efd\u7684\u5bf9\u8c61\u4e2d\uff0c\u9700\u8981\u7684\u65f6\u5019\u5219\u8c03\u7528\u7ea6\u5b9a\u597d\u7684\u65b9\u6cd5\u5c06\u5907\u4efd\u7684\u5c5e\u6027\u653e\u56de\u5230\u539f\u6765\u7684\u5bf9\u8c61\u4e2d\u53bb\u3002\u4f46\u662f\u4f60\u8981\u597d\u597d\u770b\u770b\u4e3a\u4e86\u80fd\u8ba9\u4f60\u7684\u5907\u4efd\u5bf9\u8c61\u8bbf\u95ee\u5230\u539f\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\uff0c\u662f\u5426\u610f\u5473\u7740\u4f60\u5c31\u8981\u5168\u90e8\u516c\u5f00\u6216\u8005\u5305\u5185\u516c\u5f00\u5bf9\u8c61\u539f\u672c\u79c1\u6709\u7684\u5c5e\u6027\u5462\uff1f\u5982\u679c\u4f60\u7684\u505a\u6cd5\u5df2\u7ecf\u7834\u574f\u4e86\u5c01\u88c5\uff0c\u90a3\u4e48\u5c31\u8981\u8003\u8651\u91cd\u6784\u4e00\u4e0b\u4e86\u3002<\/p>\n

\u3000\u3000\u5907\u5fd8\u5f55\u6a21\u5f0f\u53ea\u662fGOF\u5bf9\u201c\u6062\u590d\u5bf9\u8c61\u67d0\u65f6\u7684\u539f\u6709\u72b6\u6001\u201d\u8fd9\u4e00\u95ee\u9898\u63d0\u51fa\u7684\u901a\u7528\u65b9\u6848\u3002\u56e0\u6b64\u5728\u5982\u4f55\u4fdd\u6301\u5c01\u88c5\u6027\u4e0a\u2014\u2014\u7531\u4e8e\u53d7\u5230\u8bed\u8a00\u7279\u6027\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\uff0c\u5907\u5fd8\u5f55\u6a21\u5f0f\u5e76\u6ca1\u6709\u8be6\u7ec6\u63cf\u8ff0\uff0c\u53ea\u662f\u57fa\u4e8eC++\u9610\u8ff0\u4e86\u601d\u8def\u3002\u90a3\u4e48\u57fa\u4e8eJava\u7684\u5e94\u7528\u5e94\u8be5\u600e\u6837\u6765\u4fdd\u6301\u5c01\u88c5\u5462\uff1f\u6211\u4eec\u5c06\u5728\u5b9e\u73b0\u4e00\u8282\u91cc\u9762\u8ba8\u8bba\u3002<\/p>\n

\u3000\u3000\u6765\u770b\u4e0b\u201c\u6708\u5149\u5b9d\u76d2\u201d\u5907\u5fd8\u5f55\u6a21\u5f0f\u7684\u7ec4\u6210\u90e8\u5206\uff1a<\/p>\n

\u3000\u30001) \u5907\u5fd8\u5f55\uff08Memento\uff09\u89d2\u8272\uff1a\u5907\u5fd8\u5f55\u89d2\u8272\u5b58\u50a8\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u7684\u5185\u90e8\u72b6\u6001\u3002\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u6839\u636e\u9700\u8981\u51b3\u5b9a\u5907\u5fd8\u5f55\u89d2\u8272\u5b58\u50a8\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u7684\u54ea\u4e9b\u5185\u90e8\u72b6\u6001\u3002\u4e3a\u4e86\u9632\u6b62\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u4ee5\u5916\u7684\u5176\u4ed6\u5bf9\u8c61\u8bbf\u95ee\u5907\u5fd8\u5f55\u3002\u5907\u5fd8\u5f55\u5b9e\u9645\u4e0a\u6709\u4e24\u4e2a\u63a5\u53e3\uff0c\u201c\u5907\u5fd8\u5f55\u7ba1\u7406\u8005\u89d2\u8272\u201d\u53ea\u80fd\u770b\u5230\u5907\u5fd8\u5f55\u63d0\u4f9b\u7684\u7a84\u63a5\u53e3\u2014\u2014\u5bf9\u4e8e\u5907\u5fd8\u5f55\u89d2\u8272\u4e2d\u5b58\u653e\u7684\u5c5e\u6027\u662f\u4e0d\u53ef\u89c1\u7684\u3002\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u5219\u80fd\u591f\u770b\u5230\u4e00\u4e2a\u5bbd\u63a5\u53e3\u2014\u2014\u80fd\u591f\u5f97\u5230\u81ea\u5df1\u653e\u5165\u5907\u5fd8\u5f55\u89d2\u8272\u4e2d\u5c5e\u6027\u3002 <\/p>\n

\u3000\u30002) \u5907\u5fd8\u53d1\u8d77\uff08Originator\uff09\u89d2\u8272\uff1a\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u521b\u5efa\u4e00\u4e2a\u5907\u5fd8\u5f55\uff0c\u7528\u4ee5\u8bb0\u5f55\u5f53\u524d\u65f6\u523b\u5b83\u7684\u5185\u90e8\u72b6\u6001\u3002\u5728\u9700\u8981\u65f6\u4f7f\u7528\u5907\u5fd8\u5f55\u6062\u590d\u5185\u90e8\u72b6\u6001\u3002<\/p>\n

\u3000\u30003) \u5907\u5fd8\u5f55\u7ba1\u7406\u8005\uff08Caretaker\uff09\u89d2\u8272\uff1a\u8d1f\u8d23\u4fdd\u5b58\u597d\u5907\u5fd8\u5f55\u3002\u4e0d\u80fd\u5bf9\u5907\u5fd8\u5f55\u7684\u5185\u5bb9\u8fdb\u884c\u64cd\u4f5c\u6216\u68c0\u67e5\u3002<\/p>\n

\u3000\u3000\u5907\u5fd8\u5f55\u6a21\u5f0f\u7684\u7c7b\u56fe\u771f\u662f\u518d\u7b80\u5355\u4e0d\u8fc7\u4e86\uff1a

\u3000\u3000\u4e09\u3001\u4e3e\u4f8b<\/p>\n

\u3000\u3000\u6309\u7167\u5b9a\u4e49\u4e2d\u7684\u8981\u6c42\uff0c\u5907\u5fd8\u5f55\u89d2\u8272\u8981\u4fdd\u6301\u5b8c\u6574\u7684\u5c01\u88c5\u3002\u6700\u597d\u7684\u60c5\u51b5\u4fbf\u662f\uff1a\u5907\u5fd8\u5f55\u89d2\u8272\u53ea\u5e94\u8be5\u66b4\u9732\u64cd\u4f5c\u5185\u90e8\u5b58\u50a8\u5c5e\u6027\u7684\u7684\u63a5\u53e3\u7ed9\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u3002\u800c\u5bf9\u4e8e\u5176\u4ed6\u89d2\u8272\u5219\u662f\u4e0d\u53ef\u89c1\u7684\u3002GOF\u5728\u4e66\u4e2d\u4ee5C++\u4e3a\u4f8b\u8fdb\u884c\u4e86\u63a2\u8ba8\u3002\u4f46\u662f\u5728Java\u4e2d\u6ca1\u6709\u63d0\u4f9b\u7c7b\u4f3c\u4e8eC++\u4e2d\u53cb\u5143\u7684\u6982\u5ff5\u3002\u5728Java\u4e2d\u600e\u6837\u624d\u80fd\u4fdd\u6301\u5907\u5fd8\u5f55\u89d2\u8272\u7684\u5c01\u88c5\u5462\uff1f<\/p>\n

\u3000\u3000\u4e0b\u9762\u5bf9\u4e09\u79cd\u5728Java\u4e2d\u53ef\u4fdd\u5b58\u5c01\u88c5\u7684\u65b9\u6cd5\u8fdb\u884c\u63a2\u8ba8\u3002<\/p>\n

\u3000\u3000\u7b2c\u4e00\u79cd\u5c31\u662f\u91c7\u7528\u4e24\u4e2a\u4e0d\u540c\u7684\u63a5\u53e3\u7c7b\u6765\u9650\u5236\u8bbf\u95ee\u6743\u9650\u3002\u8fd9\u4e24\u4e2a\u63a5\u53e3\u7c7b\u4e2d\uff0c\u4e00\u4e2a\u63d0\u4f9b\u6bd4\u8f83\u5b8c\u5907\u7684\u64cd\u4f5c\u72b6\u6001\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u79f0\u5b83\u4e3a\u5bbd\u63a5\u53e3\uff1b\u800c\u53e6\u4e00\u4e2a\u5219\u53ef\u4ee5\u53ea\u662f\u4e00\u4e2a\u6807\u793a\uff0c\u6211\u4eec\u79f0\u5b83\u4e3a\u7a84\u63a5\u53e3\u3002\u5907\u5fd8\u5f55\u89d2\u8272\u8981\u5b9e\u73b0\u8fd9\u4e24\u4e2a\u63a5\u53e3\u7c7b\u3002\u8fd9\u6837\u5bf9\u4e8e\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u91c7\u7528\u5bbd\u63a5\u53e3\u8fdb\u884c\u8bbf\u95ee\uff0c\u800c\u5bf9\u4e8e\u5176\u4ed6\u7684\u89d2\u8272\u6216\u8005\u5bf9\u8c61\u5219\u91c7\u7528\u7a84\u63a5\u53e3\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n

\u3000\u3000\u8fd9\u79cd\u5b9e\u73b0\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u662f\u9700\u8981\u4eba\u4e3a\u7684\u8fdb\u884c\u89c4\u8303\u7ea6\u675f\u2014\u2014\u800c\u8fd9\u5f80\u5f80\u662f\u6ca1\u6709\u529b\u5ea6\u7684\u3002<\/p>\n

\u3000\u3000\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u4fbf\u5f88\u597d\u7684\u89e3\u51b3\u4e86\u7b2c\u4e00\u79cd\u7684\u7f3a\u9677\uff1a\u91c7\u7528\u5185\u90e8\u7c7b\u6765\u63a7\u5236\u8bbf\u95ee\u6743\u9650\u3002\u5c06\u5907\u5fd8\u5f55\u89d2\u8272\u4f5c\u4e3a\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u7684\u4e00\u4e2a\u79c1\u6709\u5185\u90e8\u7c7b\u3002\u597d\u5904\u6211\u4e0d\u8be6\u7ec6\u89e3\u91ca\u4e86\uff0c\u770b\u770b\u4ee3\u7801\u5427\u5c31\u660e\u767d\u4e86\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u5907\u5fd8\u5f55\u6a21\u5f0f\u7684\u6559\u5b66\u7a0b\u5e8f\u3002\u5b83\u4fbf\u91c7\u7528\u4e86\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u5907\u5fd8\u5f55\u6a21\u5f0f\u3002<\/p>\n

\u3000\u3000\u8fd8\u6709\u4e00\u70b9\u503c\u5f97\u6307\u51fa\u7684\u662f\uff0c\u5728\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u5bf9\u4e8e\u5ba2\u6237\u7a0b\u5e8f\u6765\u8bf4\u201c\u5907\u5fd8\u5f55\u7ba1\u7406\u8005\u89d2\u8272\u201d\u662f\u4e0d\u53ef\u89c1\u7684\uff0c\u8fd9\u6837\u7b80\u5316\u4e86\u5ba2\u6237\u7a0b\u5e8f\u4f7f\u7528\u5907\u5fd8\u5f55\u6a21\u5f0f\u7684\u96be\u5ea6\u3002\u4e0b\u9762\u91c7\u7528\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u6765\u8c03\u7528\u8bbf\u95ee\u201c\u5907\u5fd8\u5f55\u7ba1\u7406\u8005\u89d2\u8272\u201d\uff0c\u4e5f\u53ef\u4ee5\u53c2\u8003\u95e8\u9762\u6a21\u5f0f\u5728\u5ba2\u6237\u7a0b\u5e8f\u4e0e\u5907\u5fd8\u5f55\u89d2\u8272\u4e4b\u95f4\u6dfb\u52a0\u4e00\u4e2a\u95e8\u9762\u89d2\u8272\u3002

class originator{<\/p>\n

\u3000\u3000\/\/\u8fd9\u4e2a\u662f\u8981\u4fdd\u5b58\u7684\u72b6\u6001
\u3000\u3000private int state= 90;
\u3000\u3000\/\/\u4fdd\u6301\u4e00\u4e2a\u201c\u5907\u5fd8\u5f55\u7ba1\u7406\u8005\u89d2\u8272\u201d\u7684\u5bf9\u8c61
\u3000\u3000private Caretaker c = new Caretaker();
\u3000\u3000\/\/\u8bfb\u53d6\u5907\u5fd8\u5f55\u89d2\u8272\u4ee5\u6062\u590d\u4ee5\u524d\u7684\u72b6\u6001
\u3000\u3000public void setMemento(){
\u3000\u3000\u3000Memento memento = (Memento)c.getMemento();
\u3000\u3000\u3000state = memento.getState();
\u3000\u3000\u3000System.out.println(\"the state is \"+state+\" now\");
\u3000\u3000}
\u3000\u3000\/\/\u521b\u5efa\u4e00\u4e2a\u5907\u5fd8\u5f55\u89d2\u8272\uff0c\u5e76\u5c06\u5f53\u524d\u72b6\u6001\u5c5e\u6027\u5b58\u5165\uff0c\u6258\u7ed9\u201c\u5907\u5fd8\u5f55\u7ba1\u7406\u8005\u89d2\u8272\u201d\u5b58\u653e\u3002<\/p>\n

\u3000\u3000public void createMemento(){
\u3000\u3000\u3000c.saveMemento(new Memento(state));
\u3000\u3000}
\u3000\u3000\/\/this is other business methods
\u3000\u3000\/\/they maybe modify the attribute state <\/p>\n

\u3000\u3000public void modifyState4Test(int m){
\u3000\u3000\u3000state = m;
\u3000\u3000\u3000System.out.println(\"the state is \"+state+\" now\");
\u3000\u3000} <\/p>\n

\u3000\u3000\/\/\u4f5c\u4e3a\u79c1\u6709\u5185\u90e8\u7c7b\u7684\u5907\u5fd8\u5f55\u89d2\u8272\uff0c\u5b83\u5b9e\u73b0\u4e86\u7a84\u63a5\u53e3\uff0c\u53ef\u4ee5\u770b\u5230\u5728\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u4e2d\u5bbd\u63a5\u53e3\u5df2\u7ecf\u4e0d\u518d\u9700\u8981
\u3000\u3000\/\/\u6ce8\u610f\uff1a\u91cc\u9762\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u90fd\u662f\u79c1\u6709\u7684<\/p>\n

\u3000\u3000private class Memento implements MementoIF{
\u3000\u3000\u3000private int state ;
\u3000\u3000\u3000private Memento(int state){
\u3000\u3000\u3000\u3000this.state = state ;
\u3000\u3000\u3000}<\/p>\n

\u3000\u3000\u3000private int getState(){
\u3000\u3000\u3000\u3000return state;
\u3000\u3000\u3000}
\u3000\u3000}
\u3000}<\/p>\n

\u3000\/\/\u6d4b\u8bd5\u4ee3\u7801\u2014\u2014\u5ba2\u6237\u7a0b\u5e8f<\/p>\n

\u3000public class TestInnerClass{
\u3000\u3000public static void main(String[] args){
\u3000\u3000\u3000Originator o = new originator();
\u3000\u3000\u3000o.createMemento();
\u3000\u3000\u3000o.modifyState4Test(80);
\u3000\u3000\u3000o.setMemento();
\u3000\u3000}
\u3000}<\/p>\n

\u3000\/\/\u7a84\u63a5\u53e3<\/p>\n

\u3000interface MementoIF{}<\/p>\n

\u3000\/\/\u201c\u5907\u5fd8\u5f55\u7ba1\u7406\u8005\u89d2\u8272\u201d<\/p>\n

\u3000class Caretaker{
\u3000\u3000private MementoIF m ;
\u3000\u3000public void saveMemento(MementoIF m){
\u3000\u3000\u3000this.m = m;
\u3000\u3000}
\u3000\u3000public MementoIF getMemento(){
\u3000\u3000\u3000return m;
\u3000\u3000}
\u3000}<\/code>
\u7b2c\u4e09\u79cd\u65b9\u5f0f\u662f\u4e0d\u592a\u63a8\u8350\u4f7f\u7528\u7684\uff1a\u4f7f\u7528clone\u65b9\u6cd5\u6765\u7b80\u5316\u5907\u5fd8\u5f55\u6a21\u5f0f\u3002\u7531\u4e8eJava\u63d0\u4f9b\u4e86clone\u673a\u5236\uff0c\u8fd9\u4f7f\u5f97\u590d\u5236\u4e00\u4e2a\u5bf9\u8c61\u53d8\u5f97\u8f7b\u677e\u8d77\u6765\u3002\u4f7f\u7528\u4e86clone\u673a\u5236\u7684\u5907\u5fd8\u5f55\u6a21\u5f0f\uff0c\u5907\u5fd8\u5f55\u89d2\u8272\u57fa\u672c\u53ef\u4ee5\u7701\u7565\u4e86\uff0c\u800c\u4e14\u53ef\u4ee5\u5f88\u597d\u7684\u4fdd\u6301\u5bf9\u8c61\u7684\u5c01\u88c5\u3002\u4f46\u662f\u5728\u4e3a\u4f60\u7684\u7c7b\u5b9e\u73b0clone\u65b9\u6cd5\u65f6\u8981\u614e\u91cd\u554a\u3002<\/p>\n

\u3000\u3000\u5728\u4e0a\u9762\u7684\u6559\u5b66\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u7b80\u5355\u7684\u6a21\u62df\u4e86\u5907\u5fd8\u5f55\u6a21\u5f0f\u7684\u6574\u4e2a\u6d41\u7a0b\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u5f80\u5f80\u9700\u8981\u4fdd\u5b58\u5927\u91cf\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u7684\u5386\u53f2\u72b6\u6001\u3002\u8fd9\u65f6\u5c31\u8981\u5bf9\u6211\u4eec\u7684\u201c\u5907\u5fd8\u5f55\u7ba1\u7406\u8005\u89d2\u8272\u201d\u8fdb\u884c\u6539\u9020\uff0c\u6700\u7b80\u5355\u7684\u65b9\u5f0f\u5c31\u662f\u91c7\u7528\u5bb9\u5668\u6765\u6309\u7167\u987a\u5e8f\u5b58\u653e\u5907\u5fd8\u5f55\u89d2\u8272\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u5f88\u597d\u7684\u5b9e\u73b0undo\u3001redo\u529f\u80fd\u4e86\u3002<\/p>\n

\u3000\u3000\u56db\u3001\u9002\u7528\u60c5\u51b5<\/p>\n

\u3000\u3000\u4ece\u4e0a\u9762\u7684\u8ba8\u8bba\u53ef\u4ee5\u770b\u51fa\uff0c\u4f7f\u7528\u4e86\u5907\u5fd8\u5f55\u6a21\u5f0f\u6765\u5b9e\u73b0\u4fdd\u5b58\u5bf9\u8c61\u7684\u5386\u53f2\u72b6\u6001\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u6301\u5c01\u88c5\u8fb9\u754c\u3002\u4f7f\u7528\u5907\u5fd8\u5f55\u53ef\u4ee5\u907f\u514d\u66b4\u9732\u4e00\u4e9b\u53ea\u5e94\u7531\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u7ba1\u7406\u5374\u53c8\u5fc5\u987b\u5b58\u50a8\u5728\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u4e4b\u5916\u7684\u4fe1\u606f\u3002\u628a\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u5185\u90e8\u4fe1\u606f\u5bf9\u5176\u4ed6\u5bf9\u8c61\u5c4f\u853d\u8d77\u6765, \u4ece\u800c\u4fdd\u6301\u4e86\u5c01\u88c5\u8fb9\u754c\u3002<\/p>\n

\u3000\u3000\u4f46\u662f\u5982\u679c\u5907\u4efd\u7684\u201c\u5907\u5fd8\u53d1\u8d77\u89d2\u8272\u201d\u5b58\u5728\u5927\u91cf\u7684\u4fe1\u606f\u6216\u8005\u521b\u5efa\u3001\u6062\u590d\u64cd\u4f5c\u975e\u5e38\u9891\u7e41\uff0c\u5219\u53ef\u80fd\u9020\u6210\u5f88\u5927\u7684\u5f00\u9500\u3002<\/p>\n

\u3000\u3000GOF\u5728\u300a\u8bbe\u8ba1\u6a21\u5f0f\u300b\u4e2d\u603b\u7ed3\u4e86\u4f7f\u7528\u5907\u5fd8\u5f55\u6a21\u5f0f\u7684\u524d\u63d0\uff1a <\/p>\n

\u3000\u30001) \u5fc5\u987b\u4fdd\u5b58\u4e00\u4e2a\u5bf9\u8c61\u5728\u67d0\u4e00\u4e2a\u65f6\u523b\u7684(\u90e8\u5206)\u72b6\u6001, \u8fd9\u6837\u4ee5\u540e\u9700\u8981\u65f6\u5b83\u624d\u80fd\u6062\u590d\u5230\u5148\u524d\u7684\u72b6\u6001\u3002<\/p>\n

\u3000\u30002) \u5982\u679c\u4e00\u4e2a\u7528\u63a5\u53e3\u6765\u8ba9\u5176\u5b83\u5bf9\u8c61\u76f4\u63a5\u5f97\u5230\u8fd9\u4e9b\u72b6\u6001\uff0c\u5c06\u4f1a\u66b4\u9732\u5bf9\u8c61\u7684\u5b9e\u73b0\u7ec6\u8282\u5e76\u7834\u574f\u5bf9\u8c61\u7684\u5c01\u88c5\u6027\u3002<\/p>\n

\u3000\u3000\u4e94\u3001\u603b\u7ed3<\/p>\n

\u3000\u3000\u4ecb\u7ecd\u4e86\u600e\u6837\u6765\u4f7f\u7528\u5907\u5fd8\u5f55\u6a21\u5f0f\u5b9e\u73b0\u5b58\u50a8\u5bf9\u8c61\u5386\u53f2\u72b6\u6001\u7684\u529f\u80fd\uff0c\u5e76\u5bf9\u57fa\u4e8eJava\u7684\u5b9e\u73b0\u8fdb\u884c\u4e86\u8ba8\u8bba\u3002\u6b22\u8fce\u5927\u5bb6\u6307\u6b63\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u5f15\u5b50 \u3000\u3000\u4fd7\u8bdd\u8bf4\uff1a\u4e16\u4e0a\u96be\u4e70\u540e\u6094\u836f\u3002\u6240\u4ee5\u51e1\u4e8b\u8bb2\u7a76\u4e2a\u201c\u4e09\u601d\u800c\u540e\u884c\u201d\uff0c...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-110","post","type-post","status-publish","format-standard","hentry","category-Note"],"_links":{"self":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=110"}],"version-history":[{"count":0,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/110\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}