{"id":668,"date":"2016-05-21T19:09:46","date_gmt":"2016-05-21T19:09:46","guid":{"rendered":"http:\/\/blogs.softwareclue.com\/?p=668"},"modified":"2016-05-21T19:09:46","modified_gmt":"2016-05-21T19:09:46","slug":"c%e7%9a%84%e5%8f%8d%e6%80%9d","status":"publish","type":"post","link":"http:\/\/blog.softwareclues.com\/zh\/c%e7%9a%84%e5%8f%8d%e6%80%9d","title":{"rendered":"C++\u7684\u53cd\u601d"},"content":{"rendered":"<blockquote><p><strong>\u6765\u81ea\uff1aSkywind Inside<\/strong><\/p>\n<p><strong>\u4f5c\u8005\uff1askywind<\/strong><\/p>\n<p><strong>\u94fe\u63a5\uff1ahttp:\/\/www.skywind.me\/blog\/archives\/1398<\/strong><\/p><\/blockquote>\n<p>\u6700\u8fd1\u4e24\u5e74 C++\u53c8\u6709\u5f88\u591a\u4eba\u51fa\u6765\u8ffd\u6367\uff0c\u5e76\u4e14\u8ffd\u6367\u8005\u5145\u6ee1\u4e86\u5404\u79cd\u4f18\u8d8a\u611f\uff0c\u4f3c\u4e4e\u4e0d\u5199 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stl\uff1f\u4e0d\u770b\u770b\u90a3\u5957\u5e93\u6709\u591a\u81c3\u80bf\u5440\uff08\u5185\u5b58\u5360\u7528\uff0c\u4ee3\u7801\u5c3a\u5bf8\uff09\u3002<\/p>\n<p><strong>\u25cf\u5f02\u5e38\u5904\u7406\u95ee\u9898\uff1a<\/strong>\u5e95\u5c42\u5f00\u53d1\u9700\u8981\u4e25\u683c\u7684\u5904\u7406\u6240\u6709\u9519\u8bef\u8fd4\u56de\uff0c\u8fd9\u4e00\u884c\u8c03\u7528\uff0c\u4e0b\u4e00\u884c\u5c31\u5224\u65ad\u9519\u8bef\u3002\u800c\u5f02\u5e38\u662f\u4e00\u79cd\u677e\u6563\u7684\u9519\u8bef\u5904\u7406\u65b9\u5f0f\uff0c\u5e94\u7528\u5c42\u8fd9\u4e48\u5199\u6ca1\u95ee\u9898\uff0c\u7cfb\u7edf\u5c42\u8fd9\u4e48\u5199\u5c31\u5f88\u72fc\u72c8\u4e86\u3002\u6bcf\u884c\u8c03\u7528\u90fdtry\u4e00\u4e0b\u548c C\u7684\u8c03\u7528\u540eif\u5224\u65ad\u7ed3\u679c\u6709\u4ec0\u4e48\u533a\u522b\uff1fC++\u7684\u6784\u9020\u51fd\u6570\u662f\u6ca1\u6709\u8fd4\u56de\u503c\u7684\uff0c\u5982\u679c\u6784\u9020\u5185\u90e8\u51fa\u9519\uff0c\u5c31\u5fc5\u987b\u903c\u8feb\u4f60catch\u6784\u9020\u51fd\u6570\u7684\u5f02\u5e38\uff0c\u5373\u4fbf\u4f60catch\u4f4f\u4e86\uff0c\u6784\u9020\u5f02\u5e38\u7684\u65f6\u5019\u5f53\u7136\u4f1a\u81ea\u52a8\u89e6\u53d1\u76f8\u5173\u5185\u90e8\u5bf9\u8c61\u7684\u6790\u6784\uff0c\u4f46\u662f\u6709\u5f88\u591a\u5e76\u6ca1\u6709\u6790\u6784\u7684\u8d44\u6e90\uff08\u6bd4\u5982\u7cfb\u7edf\u8d44\u6e90\uff0c\u6bd4\u5982C\u63a5\u53e3\u7684\u8d44\u6e90\uff0c\u4ed6\u4eec\u90fd\u6ca1\u6709\u4e00\u4e2a\u6790\u6784\uff09\uff0c\u6574\u4e2a\u8fc7\u7a0b\u662f\u5f88\u96be\u63a7\u5236\u7684\uff0c\u6b64\u65f6\u8fd9\u4e2a\u5b9e\u4f8b\u662f\u4e00\u4e2a\u534a\u521d\u59cb\u5316\u5b9e\u4f8b\uff0c\u4f60\u8be5\u600e\u4e48\u5904\u7406\u5b83\u5462\uff1f\u4e8e\u662f\u6709\u4eba\u628a\u521d\u59cb\u5316\u4ee3\u7801\u79fb\u9664\u6784\u9020\u51fd\u6570\uff0c\u6784\u9020\u65f6\u53ea\u521d\u59cb\u5316\u4e00\u4e0b\u53d8\u91cf\uff0c\u65b0\u589e\u52a0\u4e00\u4e2a\u5e26\u8fd4\u56de\u7684init\u51fd\u6570\uff0c\u8fd9\u6837\u7684\u4ee3\u7801\u5199\u7684\u6bd4C\u5197\u4f59\u5f88\u591a\u3002\u4f55\u51b5\u786c\u4ef6\u4e2d\u65ad\u53d1\u751f\u65f6\uff0c\u5728\u4f60\u4e0d\u77e5\u9053\u7684\u60c5\u51b5\u4e0b\uff0c\u540c\u4e8b\u8c03\u5230\u4e00\u4e9b\u7b2c\u4e09\u65b9\u7684\u5e93\uff0c\u4f60\u6700\u5916\u5c42\u6ca1\u6709\u628a\u65b0\u7684exception\u7ed9 catch\u4f4f\uff0c\u8fd9\u4e2aexception\u8be5\u5f80\u54ea\u91cc\u629b\u5440\uff1f\u5185\u5b58\u4e0d\u591f\u7684\u65f6\u5019\u4f60\u60f3\u629b\u51fa\u4e00\u4e2a OutOfMemoryException\uff0c\u53ef\u662f\u5185\u5b58\u5df2\u7ecf\u4e0d\u591f\u4e86\uff0c\u6b64\u65f6\u5b8c\u5168\u65e0\u80fd\u529b\u6784\u9020\u8fd9\u4e2a\u5f02\u5e38\u53c8\u8be5\u600e\u4e48\u529e\u5462\uff1f<\/p>\n<p><strong>\u25cf\u5904\u7406\u5668\u517c\u5bb9\uff1a<\/strong>C++\u7684\u7c7b\u4f9d\u8d56\u57fa\u5730\u5740+\u504f\u79fb\u5730\u5740\u7684\u5bfb\u5740\u65b9\u5f0f\uff0c\u5f88\u591a\u975e Intel\u7cfb\u5217\u7684\u5fae\u5904\u7406\u5668\u4e0a\u53ea\u6709\u7b80\u5355\u7684\u7ed9\u5b9a\u5730\u5740\u5bfb\u5740\uff0c\u4e0d\u652f\u6301\u8fd9\u6837\u4e00\u6761\u8bed\u53e5\u5b9e\u73b0BASE+OFFSET\u7684\u5bfb\u5740\uff0c\u5f88\u591aC++\u4ee3\u7801\u7f16\u8bd1\u51fa\u6765\u9700\u8981\u66f4\u591a\u7684\u6307\u4ee4\u6765\u8fd0\u7b97\u5730\u5740\uff0c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u5f88\u591a\uff0c\u5f97\u4e0d\u507f\u5931\u3002<\/p>\n<p><strong>\u25cf\u9690\u5f0f\u64cd\u4f5c\u95ee\u9898\uff1a<\/strong>C\u7684\u7279\u70b9\u662f\u7b80\u5355\u76f4\u63a5\uff0c\u6bcf\u884c\u8bed\u53e5\u4f60\u90fd\u80fd\u6e05\u695a\u7684\u77e5\u9053\u4f1a\u88ab\u7ffb\u8bd1\u6210\u4ec0\u4e48\u6837\u5b50\uff0c\u7cfb\u7edf\u4f1a\u4e25\u683c\u6309\u7167\u4f60\u7684\u4ee3\u7801\u53bb\u6267\u884c\u3002\u800c\u7528C++\uff0c\u6bd4\u5982 str1 = str2 + &#8220;Hello&#8221; + str3; \u8fd9\u6837\u7684\u8bed\u53e5\uff0c\u6ca1\u51e0\u4e2a\u4eba\u771f\u7684\u8bf4\u5f97\u6e05\u695a\u7a76\u7adf\u6709\u591a\u5c11\u6b21\u6784\u9020\u548c\u62f7\u8d1d\uff0c\u8fd9\u6837\u7684\u5199\u6cd5\u7f16\u5199\u5e95\u5c42\u4ee3\u7801\u662f\u5f88\u4e0d\u8d1f\u8d23\u4efb\u7684\uff0c\u5e95\u5c42\u9700\u8981\u66f4\u4e3a\u7cbe\u7ec6\u548c\u4e25\u683c\u7684\u63a7\u5236\uff0c\u7528C\u8bed\u8a00\u63a7\u5236\u529b\u66f4\u5f3a\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u8bf4\u9053\u8fd9\u91cc\u5f88\u591a\u4eba\u53c8\u8bf4\uff0c\u201cC++\u672c\u6765\u5c31\u662f C\u7684\u8d85\u96c6\uff0c\u7279\u5b9a\u7684\u5730\u65b9\u4f60\u5b8c\u5168\u53ef\u4ee5\u6309\u7167C\u7684\u5199\u6cd5\u6765\u505a\u5440\u3002\u6ca1\u4eba\u5f3a\u8feb\u4f60\u6784\u9020\u7c7b\u6216\u8005\u4f7f\u7528\u5f02\u5e38\u5440\u201d\uff0c\u6ca1\u9519\uff0c\u6309 Linus\u7684\u8bf4\u6cd5\uff1a\u201c\u60f3\u8981\u7528 C++\u5199\u51fa\u7cfb\u7edf\u7ea7\u7684\u4f18\u79c0\u7684\u53ef\u79fb\u690d\u548c\u9ad8\u6548\u7684\u4ee3\u7801\uff0c\u6700\u7ec8\u8fd8\u662f\u4f1a\u9650\u4e8e\u4f7f\u7528 C\u672c\u8eab\u63d0\u4f9b\u7684\u529f\u80fd\uff0c\u800c\u8fd9\u4e9b\u529f\u80fd C\u90fd\u5df2\u7ecf\u5b8c\u7f8e\u63d0\u4f9b\u4e86\uff0c\u6240\u4ee5\u7cfb\u7edf\u5c42\u4f7f\u7528 C\u7684\u610f\u4e49\u5c31\u5728\u4e8e\u5728\u8bed\u8a00\u5c42\u6392\u9664 C++\u7684\u5176\u4ed6\u7279\u6027\u7684\u5e72\u6270\u201d\u3002<\/p>\n<p>\u5f88\u591a\u4eba\u90fd\u8bb0\u5f97 Linus\u5728 2007\u5e74\u56e0\u4e3a\u6709\u4eba\u95ee Git\u4e3a\u4ec0\u4e48\u4e0d\u7528 C++\u5f00\u53d1\u70ae\u8f70\u8fc7\u4e00\u6b21C++\u3002\u4e8b\u5b9e\u4e0a2004\u5e74 C++\u5982\u65e5\u4e2d\u5929\u7684\u65f6\u5019\uff0c\u6709\u4eba\u95ee Linux\u5185\u6838\u4e3a\u4f55\u4e0d\u7528 C++\u5f00\u53d1\uff0c\u4ed6\u5c31\u70ae\u8f70\u8fc7\u4e00\u6b21\u4e86\uff1a<\/p>\n<section class=\"\">\n<section class=\"\">\n<section class=\"\">\n<section class=\"\"><\/section>\n<section class=\"\"><\/section>\n<section class=\"\"><\/section>\n<\/section>\n<section class=\"\">\n<section class=\"\">\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u57281992\u5e74\u5c31\u5c1d\u8bd5\u8fc7\u5728Linux\u4f7f\u7528 C++\u4e86\u3002\u5f88\u6076\u5fc3\uff0c\u76f8\u4fe1\u6211\uff0c\u7528C++\u5199\u5185\u6838\u662f\u4e00\u4e2a \u201cBLOODY STUPID IDEA\u201d\u3002\u4e8b\u5b9e\u4e0a\uff0cC++\u7f16\u8bd1\u5668\u4e0d\u503c\u5f97\u4fe1\u4efb\uff0c1992\u5e74\u65f6\u5b83\u4eec\u66f4\u7cdf\u7cd5\uff0c\u800c\u4e00\u4e9b\u57fa\u672c\u7684\u4e8b\u5b9e\u4ece\u6ca1\u6539\u53d8\u8fc7\uff1a<\/p>\n<p>\u2013 \u6574\u5957 C++\u5f02\u5e38\u5904\u7406\u7cfb\u7edf\u662f \u201cfundamentally broken\u201d\u3002\u7279\u522b\u5bf9\u4e8e\u7f16\u5199\u5185\u6838\u800c\u8a00\u3002<\/p>\n<p>\u2013 \u4efb\u4f55\u8bed\u8a00\u6216\u7f16\u8bd1\u5668\u559c\u6b22\u5728\u4f60\u80cc\u540e\u9690\u85cf\u884c\u4e3a\uff08\u5982\u5185\u5b58\u5206\u914d\uff09\u5bf9\u4e8e\u5f00\u53d1\u5185\u6838\u5e76\u4e0d\u662f\u4e00\u4e2a\u597d\u9009\u62e9\u3002<\/p>\n<p>\u2013 \u4efb\u7136\u53ef\u4ee5\u7528 C\u6765\u7f16\u5199\u9762\u5411\u5bf9\u8c61\u4ee3\u7801\uff08\u6bd4\u5982\u6587\u4ef6\u7cfb\u7edf\uff09\uff0c\u800c\u4e0d\u9700\u8981\u7528 C++\u5199\u51fa\u4e00\u5768\u5c4e\u6765\u3002<\/p>\n<p>\u603b\u5f97\u6765\u8bf4\uff0c\u5bf9\u4efb\u4f55\u5e0c\u671b\u7528 C++\u6765\u5f00\u53d1\u5185\u6838\u7684\u4eba\u800c\u8a00\uff0c\u4ed6\u4eec\u90fd\u662f\u5728\u5f15\u5165\u66f4\u591a\u95ee\u9898\uff0c\u65e0\u6cd5\u8c61 C\u4e00\u6837\u6e05\u6670\u7684\u770b\u5230\u81ea\u5df1\u5230\u5e95\u5728\u5199\u4ec0\u4e48\u3002<\/p>\n<\/section>\n<\/section>\n<section class=\"\">\n<section class=\"\"><\/section>\n<\/section>\n<\/section>\n<\/section>\n<p>C++\u7c89\u4e1d\u4eec\u5728C++\u6700\u706b\u70ed\u7684\u65f6\u5019\u8bd5\u56fe\u5c06 C++\u5f15\u5165\u7cfb\u7edf\u5c42\u5f00\u53d1\uff0c\u4f46\u662f\u4ece\u6765\u6ca1\u6709\u6210\u529f\u8fc7\u3002\u6240\u4ee5\u4e0d\u7ba1\u662f\u5d4c\u5165\u5f0f\uff0c\u8fd8\u662f\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5728\u9760\u8fd1\u786c\u4ef6\u5e95\u5c42\u7684\u5f00\u53d1\u4e2d\uff0c\u90fd\u662f\u6e05\u4e00\u8272\u7684 C\u4ee3\u7801\uff0c\u5b8c\u5168\u6ca1\u6709 C++\u7684\u7acb\u8db3\u4e4b\u5730\u3002<\/p>\n<p><strong>\u5e94\u7528\u5c42\u7684\u53cd\u601d<\/strong><\/p>\n<p>STL\u51fa\u6765\u540e\uff0c\u7ed9\u4eba\u4e00\u79cd C++\u53ef\u4ee5\u65b9\u4fbf\u5f00\u53d1\u5e94\u7528\u5c42\u903b\u8f91\u7684\u9519\u89c9\u3002\u7531\u4e8e\u5f88\u591a\u8bed\u8a00\u5c42\u4e0d\u4e25\u5bc6\u7684\u4e8b\u60c5\uff0c\u8ba9STL\u6765\u4ee5\u8865\u4e01\u7684\u65b9\u5f0f\u5b8c\u6210\uff0c\u4e8e\u662f\u5f88\u591a\u4ee5\u4e3a\u53ef\u4ee5\u8c61\u5199 java\u4e00\u6837\u5199 C++\u7684\u521d\u5b66\u8005\u843d\u5165\u4e86\u4e00\u4e2a\u4e2a\u7684\u5751\u4e2d\u3002\u6bd4\u5982 list.size()\uff0c\u5728 Windows\u4e0bvc\u7684 stl\u662f\u4fdd\u5b58\u4e86 list\u7684\u957f\u5ea6\u7684\uff0csize()\u76f4\u63a5 O(1)\u8fd4\u56de\u8be5\u53d8\u91cf\uff0c\u800c\u5728gcc\u7684 stl\u4e2d\uff0c\u6ca1\u6709\u4fdd\u5b58 list\u957f\u5ea6\uff0csize()\u5c06\u641c\u7d22\u6240\u6709\u8282\u70b9\uff0cO(n)\u7684\u901f\u5ea6\u8fd4\u56de\u3002<\/p>\n<p>\u7531\u4e8e\u8bed\u8a00\u5c42\u4e0d\u652f\u6301\u5b57\u7b26\u4e32\uff0c\u5bfc\u81f4 std::string\u5b9e\u73b0\u5341\u5206\u4e0d\u7edf\u4e00\uff0c\u4f60\u62f7\u8d1d\u6784\u9020\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u6709\u7684\u5b9e\u73b0\u662f\u5f15\u7528\uff0c\u624d\u7528 copy-on-write\u7684\u65b9\u6cd5\u5f15\u7528\u3002\u6709\u7684\u5730\u65b9\u53c8\u662f new\uff0c\u6709\u7684\u5b9e\u73b0\u53c8\u662f\u7528\u7684\u5185\u5b58\u6c60\uff0c\u6709\u7684\u5b9e\u73b0\u7ebf\u7a0b\u5b89\u5168\uff0c\u6709\u7684\u5b9e\u73b0\u7ebf\u7a0b\u4e0d\u5b89\u5168\uff0c\u4f60\u5b8c\u5168\u6ca1\u6cd5\u8bf4\u51fa\u540c\u4e00\u4e2a\u8bed\u53e5\u540e\u9762\u5230\u5e95\u505a\u4e86\u4e9b\u4ec0\u4e48\uff08\u89c1\u5b5f\u5ca9\u7684\u300aLinux\u4e4b\u7236\u8bdd\u7cd9\u7406\u4e0d\u7cd9\u300b\uff09\u3002<\/p>\n<p>\u518d\u6bd4\u5982\u8bf4\u6211\u60f3\u4f7f\u7528 hash_map\uff0c\u4e3a\u4e86\u8de8\u5e73\u53f0\uff08\u5f53\u4f60\u771f\u6b63\u7f16\u5199\u8de8\u5e73\u53f0\u4ee3\u7801\u65f6\uff0c\u4f60\u5f88\u96be\u51b3\u5b9a\u76ee\u6807\u7f16\u8bd1\u5668\u548c\u4ed6\u4eec\u7684\u7248\u672c\uff0c\u60f3\u7528\u4e5f\u7528\u4e0d\u4e86 unordered_map\uff09\uff0c\u6211\u5f88\u96be\u6307\u51fa\u4e00\u79cd\u552f\u4e00\u58f0\u660e hash_map\u7684\u65b9\u6cd5\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u5728\u4e0d\u540c\u7684\u7f16\u8bd1\u5668\u4e0b\u6b63\u5e38\u7684\u4f7f\u7528 hash_map\uff0c\u4f60\u4e0d\u5f97\u4e0d\u5199\u6210\u8fd9\u6837\uff1a<\/p>\n<blockquote class=\"\"><p>#ifdef __GNUC__<\/p>\n<p>#ifdef __DEPRECATED<\/p>\n<p>#undef __DEPRECATED<\/p>\n<p>#endif<\/p>\n<p>#include &lt;ext\/hash_map&gt;<\/p>\n<p>namespace stdext { using namespace __gnu_cxx; }<\/p>\n<p>namespace __gnu_cxx {<\/p>\n<p>template&lt;&gt; struct hash&lt; std::string &gt; {<\/p>\n<p>size_t operator()( const std::string&amp; x ) const {<\/p>\n<p>return hash&lt; const char* &gt;()( x.c_str() );<\/p>\n<p>}<\/p>\n<p>};<\/p>\n<p>}<\/p>\n<p>#else<\/p>\n<p>#ifndef _MSC_VER<\/p>\n<p>#include &lt;hash_map&gt;<\/p>\n<p>#elif (_MSC_VER &lt; 1300)<\/p>\n<p>#include &lt;map&gt;<\/p>\n<p>#define IHAVE_NOT_HASH_MAP<\/p>\n<p>#else<\/p>\n<p>#include &lt;hash_map&gt;<\/p>\n<p>#endif<\/p>\n<p>#endif<\/p>\n<p>#ifdef __GNUC__<\/p>\n<p>using namespace __gnu_cxx;<\/p>\n<p>typedef hash_map&lt;uint32_t, XXXX*&gt; HashXXXX;<\/p>\n<p>#else<\/p>\n<p>using namespace stdext;<\/p>\n<p>typedef hash_map&lt;uint32_t, XXXX*&gt; HashXXXX;<\/p>\n<p>#endif<\/p><\/blockquote>\n<p>\u5982\u679c\u6709\u66f4\u597d\u7684\u8de8\u5e73\u53f0\u5199\u6cd5\uff0c\u9ebb\u70e6\u544a\u8bc9\u6211\u4e00\u4e0b\uff0c\u5b9e\u5728\u662f\u770b\u4e0d\u4e0b\u53bb\u4e86\u3002\u4e00\u4e2a\u57fa\u7840\u5bb9\u5668\u90fd\u8ba9\u4eba\u7528\u7684\u90a3\u4e48\u8f9b\u82e6\uff0c\u4f7f\u5f97\u5f88\u591a C++\u7a0b\u5e8f\u5458\u6210\u5929\u90fd\u5728\u601d\u8003\u5404\u79cd\u89c4\u8303\uff0c\u6ca1\u65f6\u95f4\u771f\u6b63\u601d\u8003\u4e0b\u7a0b\u5e8f\u8bbe\u8ba1\u3002<\/p>\n<p>\u7531\u4e8e\u8bed\u8a00\u5c42\u8981\u517c\u5bb9 C\uff0c\u53c8\u4e0d\u80af\u8c61 C\u4e00\u6837\u53ea\u505a\u597d\u7cfb\u7edf\u5c42\u7684\u5de5\u4f5c\uff0c\u5bfc\u81f4\u5f53 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stl\u8bbe\u8ba1\u7684\u521d\u8877\u4e86\u4e48\uff1f<\/p>\n<p>\u8bed\u8a00\u5c42\u7684\u7f3a\u5931\uff0c\u8ba9\u5927\u5bb6\u4e3a\u4e86\u6ee1\u8db3\u4e1a\u52a1\u5f00\u53d1\u7684\u5feb\u901f\u8fed\u4ee3\u7684\u9700\u6c42\uff0c\u521b\u9020\u4e86\u5f88\u591a\u5f88\u57fa\u7840\u7684\u8bbe\u8ba1\u7075\u5de7\u7684\u57fa\u7c7b\uff0c\u6765\u63d0\u4f9b\u7c7b\u4f3c\u5783\u573e\u56de\u6536\uff0c\u5f15\u7528\u8ba1\u6570\uff0ccopy-on-write\uff0cdelegate\uff0c\u7b49\u6570\u4e0d\u80dc\u6570\u7684\u529f\u80fd\u3002\u6bcf\u4e2a\u9879\u76ee\u90fd\u6709\u4e00\u7cfb\u5217 BaseObject \u4e4b\u7c7b\u7684\u57fa\u7840\u7c7b\uff0c\u8fd9\u6837\u5c31\u5f15\u5165\u4e00\u4e2a\u8bef\u533a\uff0c\u4e24\u5e74\u540e\u4f60\u518d\u6765\u770b\u4f60\u7684\u4ee3\u7801\uff0c\u53d1\u73b0\u67d0\u4e2a BaseObject\u4e0d\u6ee1\u8db3\u9700\u6c42\u4e86\uff0c\u6216\u8005\u4f60\u548c\u53e6\u5916\u4e00\u4e2a\u9879\u76ee merge\u4ee3\u7801\u65f6\uff0c\u9700\u8981\u5408\u5e76\u4e00\u4e9b\u6839\u672c\u5c5e\u6027\u3002\u56fe\u5f62\u548cGUI\u8fd9\u4e9b\u4e07\u5e74\u4e0d\u53d8\u7684\u6a21\u578b\u8fd8\u597d\uff0c\u5e94\u7528\u7c7b\u5f00\u53d1\u5343\u53d8\u4e07\u5316\uff0c\u4e00\u65e6\u8fd9\u4e9b\u8bbe\u8ba1\u7075\u5de7\u7684\u57fa\u7c7b\u4e0d\u518d\u9002\u5e94\u9879\u76ee\u53d1\u5c55\u65f6\uff0c\u5f80\u5f80\u9762\u4e34\u7740\u5168\u9762\u8c03\u6574\u7684\u4ee3\u4ef7\u3002<\/p>\n<p>\u6253\u5f00\u4e00\u4e2a\u4e2a C++\u5927\u725b\u4eec blog\uff0c\u5f88\u591a\u5730\u65b9\u5728\u6559\u4f60 std::string\u7684\u539f\u7406\uff0c\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\u3002map\u7684\u9650\u5236\uff0cvector\u7684\u539f\u7406\uff0c\u6559\u4f60\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a string\u3002\u8fd9\u5c31\u53eb \u201c\u5fc3\u667a\u8d1f\u62c5\u201d\uff0c\u5206\u6563\u4f60\u7684\u6ce8\u610f\u529b\uff0c\u8fd9\u662f\u5176\u4ed6\u8bed\u8a00\u91cc\u4ece\u6765\u89c1\u4e0d\u5230\u7684\u73b0\u8c61\u3002\u6218\u58eb\u4e0d\u7814\u7a76\u600e\u4e48\u4e0a\u524d\u7ebf\u6740\u654c\uff0c\u5929\u5929\u5728\u7422\u78e8\u62a2\u548c\u70ae\u7684\u539f\u7406\uff0c\u6210\u5929\u5728\u601d\u8003\u600e\u4e48\u7528\u67aa\u4e0d\u4f1a\u8d70\u706b\uff0c\u7528\u70ae\u4e0d\u4f1a\u70b8\u5230\u81ea\u5df1\uff0c\u8fd9\u6218\u8fd8\u600e\u4e48\u6253\uff1f<\/p>\n<p>\u6240\u4ee5\u6b64\u540e\u51e0\u5e74\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u4eba\u5f00\u59cb\u53cd\u601d\u524d\u4e24\u5e74C++\u8fc7\u70ed\u6240\u5e26\u6765\u7684\u95ee\u9898\uff0c\u6bd4\u5982\u9ad8\u6027\u80fd\u7f51\u7edc\u5e93 ZeroMQ\u4f5c\u8005 Martin Sustrik \u7684\uff1a\u300a\u4e3a\u4ec0\u4e48\u6211\u5e0c\u671b\u7528C\u800c\u4e0d\u662fC++\u6765\u5b9e\u73b0ZeroMQ\u300b\uff0c\u6bd4\u5982\u4e91\u98ce\u7684\u300a\u4e91\u98ce\u7684 BLOG: C 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C\uff1b\u800c\u9700\u8981\u5feb\u901f\u8fed\u4ee3\u7684\u4e1c\u897f\u5927\u5bb6\u627e\u5230\u5404\u79cd\u52a8\u6001\u8bed\u8a00\uff1b\u4ecb\u4e8e\u6027\u80fd\u548c\u5f00\u53d1\u901f\u5ea6\u4e4b\u95f4\u7684\uff0c\u6709java\uff0c\u77e5\u4e4e\u4e0a\u597d\u50cf\u5f88\u591a\u9ed1java\u7684\uff0c\u8bed\u8a00\u662f\u6709\u4e0d\u8db3\uff0c\u4f46\u662f\u6bd4\u8d77C++\u597d\u5f88\u591a\uff0c\u6ca1\u90a3\u4e48\u591a\u5751\uff0c\u771f\u6b63\u8003\u8651\u9762\u5411\u5bf9\u8c61\uff0c\u771f\u6b63\u8ba9\u4eba\u628a\u5fc3\u601d\u653e\u5728\u8bbe\u8ba1\u4e0a\u3002\u6240\u4ee5\u518d\u9ed1\u4e5f\u4e0d\u80fd\u6321\u4f4f java\u5728 tiobe\u4e0a\u548c C\u8bed\u8a00\u4e0d\u662f\u7b2c\u4e00\u5c31\u662f\u7b2c\u4e8c\u7684\u4e8b\u5b9e\uff0c\u518d\u9ed1\u4e5f\u6321\u4e0d\u4f4f java\u5728\u4e91\u8ba1\u7b97\uff0c\u5206\u5e03\u5f0f\u9886\u57df\u7684\u5353\u8d8a\u8d21\u732e\u3002<\/p>\n<p><strong>\u6240\u4ee52005\u5e74\u4ee5\u540e\uff0cC++\u5904\u5728\u4e00\u4e2a\u5168\u9762\u88ab\u4ee3\u66ff\u7684\u8fc7\u7a0b\u4e2d\uff1a<\/strong><\/p>\n<p><img decoding=\"async\" src=\"data:image\/png;base64,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\" data-s=\"300,640\" data-type=\"png\" data-ratio=\"0.6336842105263157\" data-w=\"475\" data-src=\"http:\/\/mmbiz.qpic.cn\/mmbiz\/NVvB3l3e9aHRrUHQmJES6mOAib1Zz29njibH9QeHP71PRe2G0TyZSyGtiauB9CzAga2f6CiaD1FsGJnUlYWrlOk5Hg\/640?wx_fmt=png\" \/><\/p>\n<p><strong>\u25cf\u5e95\u5c42\u7cfb\u7edf\uff1a<\/strong>\u8fdb\u4e00\u6b65\u56de\u5f52 C\u8bed\u8a00\uff0c\u66f4\u5f3a\u7684\u63a7\u5236\u529b\uff0c\u66f4\u7cbe\u786e\u7684\u64cd\u4f5c\u3002<\/p>\n<p><strong>\u25cf\u7f51\u9875\u5f00\u53d1\uff1a<\/strong>2006\u5e74\u5de6\u53f3\uff0cC++\u548c fastcgi\u5c31\u88ab\u4e00\u8d77\u8d76\u51fa web\u4e16\u754c\u4e86\u3002<\/p>\n<p><strong>\u25cf\u9ad8\u6027\u80fd\u670d\u52a1\uff1a<\/strong>varnish, nginx, redis \u7b49\u65b0\u7684\u9ad8\u6027\u80fd\u7f51\u7edc\u670d\u52a1\u5668\u90fd\u662f\u7eafC\u5f00\u53d1\u7684\u3002<\/p>\n<p><strong>\u25cf\u5206\u5e03\u5f0f\u5e94\u7528\uff1a<\/strong>2007\u5e74\u5de6\u53f3\uff0c C++\u88abjava\u548c\u5176\u4ed6\u52a8\u6001\u8bed\u8a00\u5f7b\u5e95\u8d76\u8dd1\u3002<\/p>\n<p><strong>\u25cf\u6e38\u620f\u670d\u52a1\u7aef\uff1a<\/strong>2008\u5e74\u540e\u8fdb\u4e00\u6b65\u8fdb\u5316\u4e3a C \u548c \u811a\u672c\uff0c\u5b8c\u5168\u770b\u4e0d\u5230\u80d6C++\u670d\u52a1\u7aef\u4e86\u3002<\/p>\n<p><strong>\u25cf\u5e76\u884c\u8ba1\u7b97\uff1a<\/strong>2010\u5e74\u540e\uff0cgo, scala, erlang\uff1b\u800c\u80fd\u65b9\u4fbf\u540cgo\u63a5\u53e3\u7684\uff0c\u662f C\u4e0d\u662fC++\u3002<\/p>\n<p><strong>\u25cf\u6e38\u620f\u5f15\u64ce\uff1a<\/strong>\u6ca1\u9519 C++\u548c\u811a\u672c\uff0c\u4f46\u662f\u8fd9\u5e74\u5934\u8d8a\u6765\u8d8a\u591a\u7684\u5f00\u6e90\u5f15\u64ce\u4e0b\uff0c\u5f15\u64ce\u7c7b\u9700\u6c42\u8d8a\u6765\u8d8a\u5c11\u3002<\/p>\n<p><strong>\u25cf\u6e38\u620f\u903b\u8f91\uff1a<\/strong>\u811a\u672c<\/p>\n<p><strong>\u25cf\u591a\u5a92\u4f53\uff1a<\/strong>SDL\u7eafC\uff0cffmpeg\u662f\u7eaf C\uff0cwebrtc\u7684\u6838\u5fc3\u90e8\u5206\uff08DSP, codec\uff09\u662f\u7eafC\u7684\u3002<\/p>\n<p><strong>\u25cf\u79fb\u52a8\u5f00\u53d1\uff1a<\/strong>\u65e9\u5e74C++\u8fd8\u53ef\u4ee5\u5f00\u53d1\u4e0b\u585e\u73ed\uff0c\u73b0\u5728\u57fa\u672c\u88ab java + objc + swift \u8d76\u8dd1\u4e86\u3002<\/p>\n<p><strong>\u25cf\u684c\u9762\u5f00\u53d1\uff1a<\/strong>Qt+Script, C#\u7b49\u90fd\u80fd\u505a\u51fa\u6f02\u4eae\u7684\u8de8\u5e73\u53f0\u754c\u9762\u3002\u4e14\u754c\u9762\u811a\u672c\u5316\u8d8b\u52bf\uff0c\u4e0d\u9700\u8981C++\u4e86\u3002<\/p>\n<p><strong>\u25cf\u7f51\u9875\u524d\u7aef\uff1a<\/strong>JavaScript, Html5, Flash<\/p>\n<p><strong>\u25cf\u64cd\u4f5c\u7cfb\u7edf\uff1a<\/strong>FreeBSD, Open Solaris, Linux, RTOS, Darwin\uff08OS X \u5e95\u5c42\uff09\uff0c\u90fd\u662f\u7eaf C<\/p>\n<p><strong>\u25cf\u865a\u62df\u6280\u672f\uff1a<\/strong>qemu \/ kvm \uff08\u4e91\u8ba1\u7b97\u7684\u57fa\u77f3\uff09\u7eaf C\uff0cXen \u7eaf C<\/p>\n<p><strong>\u25cf\u6570\u636e\u5e93\uff1a<\/strong>MySQL (\u6838\u5fc3\u7eafC\uff0c\u5916\u56f4\u5de5\u5177 C++)\uff0cSQLite \u7eaf C, PostgreSQL \/ BDB \/ unqlite \u7eafC<\/p>\n<p><strong>\u25cf\u7f16\u8bd1\u5668\uff1a<\/strong>C\/C++\u5e76\u5b58\uff0c\u4e0d\u8fc7\u7f16\u8bd1\u5668\u7528\u811a\u672c\u5199\u90fd\u6ca1\u5173\u7cfb\uff0c\u6211\u8fd8\u5728\u67d0\u5e73\u53f0\u7528 java\u5199\u7684 C\/C++\u7f16\u8bd1\u5668<\/p>\n<p><strong>\u25cf\u5927\u6570\u636e\uff1a<\/strong>kafka, hadoop, storm, spark \u90fd\u4f7f\u7528 Java \/ Jvm \u7cfb\u5217\u6280\u672f<\/p>\n<p><strong>\u25cf\u4e91\u5b58\u50a8\uff1a<\/strong>openstack swift python, hdfs java, \u8fd8\u6709\u597d\u591a\u65b9\u6848\u7528 go<\/p>\n<p>\u53ef\u4ee5\u770b\u51fa\uff0c\u5373\u4fbf C++\u7684\u8001\u672c\u884c\uff0cGUI\u548c\u56fe\u5f62\uff08\u786e\u5b9e\u4e5f\u8fd8\u5b58\u5728\u4e00\u4e9b\u77ed\u671f\u5185 C++\u65e0\u6cd5\u66ff\u4ee3\u7684\u9886\u57df\uff0c\u5c31\u50cf\u4ea4\u6613\u7cfb\u7edf\u91cc\u8fd8\u6709 COBOL\u4e00\u6837\uff09\uff0c\u8fd9\u5e74\u5934\u4e5f\u9762\u4e34\u7684\u8d8a\u6765\u8d8a\u591a\u7684\u6311\u6218\uff0c\u6bd4\u5982\u65b0\u53d1\u5e03\u7684 Rust \uff08\u5982\u4f55\u770b\u5f85 Rust \u7684\u5e94\u7528\u524d\u666f\uff1f \u2013 \u77e5\u4e4e\u7528\u6237\u7684\u56de\u7b54\uff09\u3002\u53ef\u4ee5\u53d1\u73b0\uff0c\u5f00\u53d1\u6280\u672f\u591a\u5143\u5316\uff0c\u7528\u6700\u9002\u5408\u7684\u6280\u672f\u5f00\u53d1\u6700\u9002\u5408\u7684\u5e94\u7528\u662f\u672a\u6765\u7684\u8d8b\u52bf\u3002\u800c\u4e3a\u8fd9\u4e9b\u4e0d\u540c\u7684\u6280\u672f\u7f16\u5199\u9ad8\u6027\u80fd\u7684\u53ef\u63a7\u7684\u516c\u5171\u7ec4\u4ef6\uff0c\u5e76\u8f7b\u677e\u7684\u548c\u5176\u4ed6\u8bed\u8a00\u63a5\u53e3\uff0c\u6b63\u662f C\u8bed\u8a00\u7684\u5f3a\u9879\u3002\u6240\u4ee5\u4e0d\u7ba1\u5e94\u7528\u5c42\u8bed\u8a00\u5343\u53d8\u4e07\u5316\uff0c\u5bf9\u7cfb\u7edf\u7ea7\u5f00\u53d1\u8bed\u8a00C\u7684\u9700\u6c42\u8fd8\u662f\u90a3\u4e48\u7684\u7a33\u5b9a\uff0c\u800c\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u54ea\u91cc\u8fd8\u6709 C++\u7684\u5f71\u5b50\u5462\uff1f<\/p>\n<p><strong>\u8bdd\u9898\u603b\u7ed3<\/strong><\/p>\n<p>\u6240\u4ee5\u8bf4\u672a\u6765\u7684\u8d8b\u52bf\u662f\uff1aC x \u5404\u79cd\u8bed\u8a00\u6df7\u642d \u7684\u8d8b\u52bf\uff0c\u4eceTIOBE\u4e0a C++\u7684\u6307\u6570\u5341\u5e74\u95f4\u4e0b\u8dcc\u4e86\u4e09\u500d\u53ef\u4ee5\u770b\u51fa\uff0c\u672a\u6765\u8fd8\u4f1a\u6d8c\u73b0\u51fa\u66f4\u591a\u6280\u672f\u6765\u4ee3\u66ff\u5404\u4e2a\u89d2\u843d\u6b8b\u5b58\u7684C++\u65b9\u6848\uff0cC++\u7684\u4f7f\u7528\u60c5\u51b5\u8fd8\u4f1a\u8fdb\u4e00\u6b65\u4e0b\u964d\u3002\u6240\u4ee5\u9898\u4e3b\u95ee\u5b66\u4e60\u7eafC\u662f\u5426\u6709\u524d\u9014\uff0c\u6211\u89c9\u5f97\u5982\u679c\u9898\u4e3b\u80fd\u591f\u5de6\u624b\u719f\u7ec3\u7684\u638c\u63e1 C\u8bed\u8a00\uff0c\u57f9\u517b\u7cfb\u7edf\u5316\u7684\u601d\u7ef4\u4e60\u60ef\u548c\u7cbe\u786e\u63a7\u5236\u5185\u5b58\u548c\u786c\u4ef6\u7684\u6280\u5de7\uff1b\u53f3\u624b\u7ee7\u7eed\u5b66\u4e60\u5404\u79cd\u65b0\u5174\u7684\u5f00\u53d1\u6280\u672f\uff0c\u80fd\u591f\u5e94\u5bf9\u5404\u4e2a\u7ec6\u5206\u9886\u57df\u7684\u5feb\u901f\u5f00\u53d1\uff0c\u78b0\u5230\u65b0\u95ee\u9898\u65f6\u80fd\u5de6\u53f3\u5f00\u5f13\uff0c\u90a3\u4e48\u672a\u6765\u5de5\u4f5c\u4e0a\u80af\u5b9a\u662f\u80fd\u4e0a\u4e00\u4e2a\u5927\u53f0\u9636\u7684\u3002\u81f3\u4e8eC++ \u561b\uff0c\u6709\u65f6\u95f4\u770b\u770b\u5c31\u884c\uff0c\u903c\u4e0d\u5f97\u5df2\u8981\u7ef4\u62a4\u522b\u4eba\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u5199\u4e24\u884c\u5373\u53ef\u3002<\/p>\n<p><strong>\u6545\u4e8b\u5206\u4eab<\/strong><\/p>\n<p>\u53e4\u4ee3\u7528\u5f13\u7bad\u8fdb\u884c\u8fdc\u8ddd\u79bb\u653b\u51fb\u65f6\uff0c\u5bf9\u5c04\u624b\u8981\u6c42\u8f83\u9ad8\uff0c\u7784\u51c6\u96be\u5ea6\u5927\uff0c\u9700\u8981\u4e00\u76f4\u4f7f\u52b2\u4fdd\u6301\u51c6\u5fc3\u3002\u6218\u6597\u4e2d\u4e00\u4e2a\u5f13\u7bad\u624b\u5f00\u5f13\u4e8c\u5341\u6b21\u5c31\u9700\u8981\u6bd4\u8f83\u957f\u7684\u4f11\u606f\u65f6\u95f4\u3002\u5f29\u7684\u5a01\u529b\u8fdc\u80dc\u4e8e\u5f13\uff0c\u79e6\u5f29\u7684\u5236\u9020\u5c31\u5982\u73b0\u4ee3\u7684\u81ea\u52a8\u6b65\u67aa\u4e00\u822c\u7cbe\u5bc6\u65e0\u4e8c\uff0c\u5b83\u65e2\u53ef\u4ee5\u5ef6\u957f\u5c04\u51fb\uff0c\u53c8\u53ef\u4ee5\u7cbe\u786e\u7784\u51c6\u3002\u5f29\u7bad\u7684\u53d1\u5c04\u901f\u5ea6\u66f4\u662f\u5f13\u7bad\u7684\u6570\u500d\uff0c\u5a01\u529b\u60ca\u4eba\u3002\u56e0\u4e3a\u5f29\u7684\u64cd\u4f5c\u975e\u5e38\u7b80\u5355\uff0c\u4e0d\u9700\u8981\u5c04\u51fb\u6280\u5de7\uff0c\u5e73\u6c11\u5f88\u5bb9\u6613\u638c\u63e1\u5b83\u7684\u4f7f\u7528\u65b9\u6cd5\u3002\u79e6\u56fd\u9760\u7740\u5f29\u5175\uff0c\u5728\u6218\u4e89\u4e2d\u53d6\u5f97\u4e86\u4e0d\u5c11\u4f18\u52bf\uff0c\u88ab\u4eba\u79f0\u4e3a \u201c\u864e\u72fc\u4e4b\u5e08\u201d\u3002<\/p>\n<p>\u65e5\u672c\u6295\u964d\u65f6\uff0c\u5929\u7687\u4e0b\u7f6a\u5df1\u8bcf\u3002\u5f88\u591a\u58eb\u5175\u4e0d\u613f\u610f\u76f8\u4fe1\u8fd9\u65f6\u771f\u7684\uff0c\u627e\u79cd\u79cd\u7406\u7531\u62d2\u7edd\u76f8\u4fe1\u3002\u6709\u7684\u58eb\u5175\u751a\u81f3\u4ee5\u4e3a\u5929\u7687\u7684\u5e7f\u64ad\u662f\u654c\u4eba\u8bf1\u964d\u7684\u628a\u620f\uff0c\u4e8e\u662f\u8eb2\u5230\u4e1b\u6797\u91cc\u7ee7\u7eed\u4e09\u4e94\u6210\u7fa4\u7684\u6536\u96c6\u60c5\u62a5\uff0c\u88ad\u51fb\u53ef\u4ee5\u653b\u51fb\u7684\u76ee\u6807\uff0c\u7b49\u5f85\u4e0a\u53f8\u6765\u7ed9\u4ed6\u4eec\u4e0b\u8fbe\u65b0\u547d\u4ee4\u3002\u76f4\u5230\u597d\u51e0\u5e74\u540e\u770b\u5230\u5468\u56f4\u7684\u4eba\u90fd\u7a7f\u7740\u65e5\u5e38\u7684\u4fbf\u88c5\u4e86\uff0c\u800c\u6765\u5de1\u5c71\u7684 \u201c\u654c\u4eba\u201d 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