{"id":311,"date":"2020-11-02T11:52:34","date_gmt":"2020-11-02T15:52:34","guid":{"rendered":"http:\/\/www.prglab.com\/blog\/?page_id=311"},"modified":"2020-11-02T11:52:34","modified_gmt":"2020-11-02T15:52:34","slug":"program-structure","status":"publish","type":"page","link":"https:\/\/www.prglab.com\/blog\/cplusplus-tutorial\/cplusplus-basics\/program-structure","title":{"rendered":"\u7a0b\u5e8f\u7ed3\u6784"},"content":{"rendered":"\n

1.1 C++\u7a0b\u5e8f\u7ed3\u6784 \uff08Structure of a program\uff09<\/h2>\n\n\n\n

\u4e0b\u9762\u6211\u4eec\u4ece\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u7a0b\u5e8f\u5165\u624b\u770b\u4e00\u4e2aC++\u7a0b\u5e8f\u7684\u7ec4\u6210\u7ed3\u6784\u3002<\/p>\n\n\n\n

\/\/ my first program in C++
#include <iostream.h>
using namespace std;

int main() {
    cout << \u201cHello World!\u201d;
    return 0;
}<\/td>		Hello World!<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4e0a\u9762\u5de6\u4fa7\u663e\u793a\u4e86\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\u7684\u6e90\u4ee3\u7801\uff0c\u4ee3\u7801\u6587\u4ef6\u540d\u79f0\u4e3ahellowworld.cpp\u3002\u53f3\u8fb9\u663e\u793a\u4e86\u7a0b\u5e8f\u88ab\u7f16\u8bd1\u6267\u884c\u540e\u7684\u8f93\u51fa\u7ed3\u679c\u3002\u7f16\u8f91\u548c\u7f16\u8bd1\u4e00\u4e2a\u7a0b\u5e8f\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u4f60\u7528\u7684\u662f\u4ec0\u4e48\u7f16\u8bd1\u5668\uff0c\u6839\u636e\u5b83\u662f\u5426\u6709\u56fe\u5f62\u5316\u7684\u754c\u9762\u53ca\u7248\u672c\u7684\u4e0d\u540c\uff0c\u7f16\u8bd1\u65b9\u6cd5\u4e5f\u6709\u53ef\u80fd\u4e0d\u540c\uff0c\u5177\u4f53\u8bf7\u53c2\u7167\u4f60\u6240\u4f7f\u7528\u7684\u7f16\u8bd1\u5668\u7684\u4f7f\u7528\u8bf4\u660e\u3002<\/p>\n\n\n\n

\u4ee5\u4e0a\u7a0b\u5e8f\u662f\u591a\u6570\u521d\u5b66\u8005\u5b66\u4f1a\u5199\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5b83\u7684\u8fd0\u884c\u7ed3\u679c\u662f\u5728\u5c4f\u5e55\u4e0a\u6253\u51fa\u201dHello World!\u201d\u8fd9\u53e5\u8bdd\u3002 \u867d\u7136\u5b83\u53ef\u80fd\u662fC++\u53ef\u5199\u51fa\u7684\u6700\u7b80\u5355\u7684\u7a0b\u5e8f\u4e4b\u4e00\uff0c\u4f46\u5176\u4e2d\u5df2\u7ecf\u5305\u542b\u4e86\u6bcf\u4e00\u4e2aC++\u7a0b\u5e8f\u7684\u57fa\u672c\u7ec4\u6210\u7ed3\u6784\u3002 \u4e0b\u9762\u6211\u4eec\u5c31\u9010\u4e2a\u5206\u6790\u5176\u7ec4\u6210\u7ed3\u6784\u7684\u6bcf\u4e00\u90e8\u5206\uff1a<\/p>\n\n\n\n

\/\/ my first program in C++<\/h3>\n\n\n\n

\u8fd9\u662f\u6ce8\u91ca\u884c\u3002\u6240\u6709\u4ee5\u4e24\u4e2a\u659c\u7ebf\u7b26\u53f7(\/\/)\u5f00\u59cb\u7684\u7a0b\u5e8f\u884c\u90fd\u88ab\u8ba4\u4e3a\u662f\u6ce8\u91ca\u884c\uff0c\u8fd9\u4e9b\u6ce8\u91ca\u884c\u662f\u7a0b\u5e8f\u5458\u5199\u5728\u7a0b\u5e8f\u6e90\u4ee3\u7801\u5185\uff0c\u7528\u6765\u5bf9\u7a0b\u5e8f\u4f5c\u7b80\u5355\u89e3\u91ca\u6216\u63cf\u8ff0\u7684\uff0c \u5bf9\u7a0b\u5e8f\u672c\u8eab\u7684\u8fd0\u884c\u4e0d\u4f1a\u4ea7\u751f\u5f71\u54cd\u3002\u5728\u672c\u4f8b\u4e2d\uff0c \u8fd9\u884c\u6ce8\u91ca\u5bf9\u672c\u7a0b\u5e8f\u662f\u4ec0\u4e48\u505a\u4e86\u4e00\u4e2a\u7b80\u8981\u7684\u63cf\u8ff0\u3002<\/p>\n\n\n\n

# include < iostream.h ><\/h3>\n\n\n\n

\u4ee5#<\/strong>\u6807\u5fd7\u5f00\u59cb\u7684\u53e5\u5b50\u662f\u9884\u5904\u7406\u5668\u7684\u6307\u793a\u8bed\u53e5\u3002\u5b83\u4eec\u4e0d\u662f\u53ef\u6267\u884c\u4ee3\u7801\uff0c\u53ea\u662f\u5bf9\u7f16\u8bd1\u5668\u4f5c\u51fa\u6307\u793a\u3002\u5728\u672c\u4f8b\u4e2d\u8fd9\u4e2a\u53e5\u5b50# include < iostream.h > \u544a\u8bc9\u7f16\u8bd1\u5668\u7684\u9884\u5904\u7406\u5668\u5c06\u8f93\u5165\u8f93\u51fa\u6d41\u7684\u6807\u51c6\u5934\u6587\u4ef6(iostream.h)\u5305\u62ec\u5728\u672c\u7a0b\u5e8f\u4e2d\u3002\u8fd9\u4e2a\u5934\u6587\u4ef6\u5305\u62ec\u4e86C++\u4e2d\u5b9a\u4e49\u7684\u57fa\u672c\u6807\u51c6\u8f93\u5165-\u8f93\u51fa\u7a0b\u5e8f\u5e93\u7684\u58f0\u660e\u3002\u6b64\u5904\u5b83\u88ab\u5305\u62ec\u8fdb\u6765\u662f\u56e0\u4e3a\u5728\u672c\u7a0b\u5e8f\u7684\u540e\u9762\u90e8\u5206\u4e2d\u5c06\u7528\u5230\u5b83\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n

using namespace std;<\/h3>\n\n\n\n

C++\u6807\u51c6\u51fd\u6570\u5e93\u7684\u6240\u6709\u5143\u7d20\u90fd\u88ab\u58f0\u660e\u5728\u4e00\u4e2a\u540d\u7a7a\u95f4\u4e2d\uff0c\u8fd9\u5c31\u662fstd\u540d\u7a7a\u95f4\u3002\u56e0\u6b64\u4e3a\u4e86\u80fd\u591f\u8bbf\u95ee\u5b83\u7684\u529f\u80fd\uff0c\u6211\u4eec\u7528\u8fd9\u6761\u8bed\u53e5\u6765\u8868\u8fbe\u6211\u4eec\u5c06\u4f7f\u7528\u6807\u51c6\u540d\u7a7a\u95f4\u4e2d\u5b9a\u4e49\u7684\u5143\u7d20\u3002\u8fd9\u6761\u8bed\u53e5\u5728\u4f7f\u7528\u6807\u51c6\u51fd\u6570\u5e93\u7684C++\u7a0b\u5e8f\u4e2d\u9891\u7e41\u51fa\u73b0\uff0c\u672c\u6559\u7a0b\u4e2d\u5927\u90e8\u5206\u4ee3\u7801\u4f8b\u5b50\u4e2d\u4e5f\u5c06\u7528\u5230\u5b83\u3002
<\/p>\n\n\n\n

int main()<\/h3>\n\n\n\n

\u8fd9\u4e00\u884c\u4e3a\u4e3b\u51fd\u6570(main function)\u7684\u8d77\u59cb\u58f0\u660e\u3002main function\u662f\u6240\u6709C++\u7a0b\u5e8f\u7684\u8fd0\u884c\u7684\u8d77\u59cb\u70b9\u3002 \u4e0d\u7ba1\u5b83\u662f\u5728\u4ee3\u7801\u7684\u5f00\u5934\uff0c\u7ed3\u5c3e\u8fd8\u662f\u4e2d\u95f4 \u2013 \u6b64\u51fd\u6570\u4e2d\u7684\u4ee3\u7801\u603b\u662f\u5728\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c\u65f6\u7b2c\u4e00\u4e2a\u88ab\u6267\u884c\u3002\u5e76\u4e14\uff0c\u7531\u4e8e\u540c\u6837\u7684\u539f\u56e0\uff0c\u6240\u6709C++\u7a0b\u5e8f\u90fd\u5fc5\u987b\u6709\u4e00\u4e2amain function\u3002
main \u540e\u9762\u8ddf\u4e86\u4e00\u5bf9\u5706\u62ec\u53f7\uff08\uff09\uff0c\u8868\u793a\u5b83\u662f\u4e00\u4e2a\u51fd\u6570\u3002C++\u4e2d\u6240\u6709\u51fd\u6570\u90fd\u8ddf\u6709\u4e00\u5bf9\u5706\u62ec\u53f7 \uff08\uff09\uff0c\u62ec\u53f7\u4e2d\u53ef\u4ee5\u6709\u4e00\u4e9b\u8f93\u5165\u53c2\u6570\u3002\u5982\u4f8b\u9898\u4e2d\u663e\u793a\uff0c\u4e3b\u51fd\u6570(main function)\u7684\u5185\u5bb9\u7d27\u8ddf\u5728\u5b83\u7684\u58f0\u660e\u4e4b\u540e\uff0c\u7531\u82b1\u62ec\u53f7 \uff08{}\uff09\u62ec\u8d77\u6765\u3002<\/p>\n\n\n\n

cout << \u201cHellow World!\u201d;<\/h3>\n\n\n\n

\u8fd9\u4e2a\u8bed\u53e5\u5728\u672c\u7a0b\u5e8f\u4e2d\u6700\u91cd\u8981\u3002 cout \u662fC++\u4e2d\u7684\u6807\u51c6\u8f93\u51fa\u6d41(\u901a\u5e38\u4e3a\u63a7\u5236\u53f0\uff0c\u5373\u5c4f\u5e55)\uff0c\u8fd9\u53e5\u8bdd\u628a\u4e00\u4e32\u5b57\u7b26\u4e32\uff08\u672c\u4f8b\u4e2d\u4e3a\u201dHello World\u201d\uff09\u63d2\u5165\u8f93\u51fa\u6d41\uff08\u63a7\u5236\u53f0\u8f93\u51fa\uff09\u4e2d\u3002cout \u5728\u7684\u58f0\u660e\u5728\u5934\u6587\u4ef6iostream.h\u4e2d\uff0c\u6240\u4ee5\u8981\u60f3\u4f7f\u7528cout \u5fc5\u987b\u5c06\u8be5\u5934\u6587\u4ef6\u5305\u62ec\u5728\u7a0b\u5e8f\u5f00\u59cb\u5904\u3002
\u6ce8\u610f\u8fd9\u4e2a\u53e5\u5b50\u4ee5\u5206\u53f7(;)\u7ed3\u5c3e \u3002\u5206\u53f7\u6807\u793a\u4e86\u4e00\u4e2a\u8bed\u53e5\u7684\u7ed3\u675f\uff0cC++\u7684\u6bcf\u4e00\u4e2a\u8bed\u53e5\u90fd\u5fc5\u987b\u4ee5\u5206\u53f7\u7ed3\u5c3e\u3002 (C++ \u7a0b\u5e8f\u5458\u6700\u5e38\u72af\u7684\u9519\u8bef\u4e4b\u4e00\u5c31\u662f\u5fd8\u8bb0\u5728\u8bed\u53e5\u672b\u5c3e\u5199\u4e0a\u5206\u53f7) \u3002<\/p>\n\n\n\n

return 0;<\/h3>\n\n\n\n

\u8fd4\u56de\u8bed\u53e5(return) \u5f15\u8d77\u4e3b\u51fd\u6570 main()\u6267\u884c\u7ed3\u675f\uff0c\u5e76\u5c06\u8be5\u8bed\u53e5\u540e\u9762\u6240\u8ddf\u4ee3\u7801(\u5728\u672c\u4f8b\u4e2d\u4e3a0) \u8fd4\u56de\u3002\u8fd9\u662f\u5728\u7a0b\u5e8f\u6267\u884c\u6ca1\u6709\u51fa\u73b0\u4efb\u4f55\u9519\u8bef\u7684\u60c5\u51b5\u4e0b\u6700\u5e38\u89c1\u7684\u7a0b\u5e8f\u7ed3\u675f\u65b9\u5f0f\u3002\u5728\u540e\u9762\u7684\u4f8b\u5b50\u4e2d\u4f60\u4f1a\u770b\u5230\u6240\u6709C++\u7a0b\u5e8f\u90fd\u4ee5\u7c7b\u4f3c\u7684\u8bed\u53e5\u7ed3\u675f\u3002<\/p>\n\n\n\n

\u4f60\u53ef\u80fd\u6ce8\u610f\u5230\u5e76\u4e0d\u662f\u7a0b\u5e8f\u4e2d\u7684\u6240\u6709\u7684\u884c\u90fd\u4f1a\u88ab\u6267\u884c\u3002\u7a0b\u5e8f\u4e2d\u53ef\u4ee5\u6709\u6ce8\u91ca\u884c\uff08\u4ee5\/\/\u5f00\u5934\uff09\uff0c\u6709\u7f16\u8bd1\u5668\u9884\u5904\u7406\u5668\u7684\u6307\u793a\u884c\uff08\u4ee5#\u5f00\u5934\uff09\uff0c\u7136\u540e\u6709\u51fd\u6570\u7684\u58f0\u660e\uff08\u672c\u4f8b\u4e2dmain\u51fd\u6570\uff09\uff0c\u6700\u540e\u662f\u7a0b\u5e8f\u8bed\u53e5\uff08\u4f8b\u5982\u8c03\u7528cout <<\uff09\uff0c\u6700\u540e\u8fd9\u4e9b\u8bed\u53e5\u884c\u5168\u90e8\u88ab\u62ec\u5728\u4e3b\u51fd\u6570\u7684\u82b1\u62ec\u53f7({})\u5185\u3002
\u672c\u4f8b\u4e2d\u7a0b\u5e8f\u88ab\u5199\u5728\u4e0d\u540c\u7684\u884c\u4e2d\u4ee5\u65b9\u4fbf\u9605\u8bfb\u3002\u5176\u5b9e\u8fd9\u5e76\u4e0d\u662f\u5fc5\u987b\u7684\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u7a0b\u5e8f
int main ()
{
cout << ” Hello World “;
return 0;
}
\u4e5f\u53ef\u4ee5\u88ab\u5199\u6210\uff1a
int main () { cout << ” Hello World “; return 0; }
\u4ee5\u4e0a\u4e24\u6bb5\u7a0b\u5e8f\u662f\u5b8c\u5168\u76f8\u540c\u7684\u3002<\/p>\n\n\n\n

\u5728C++\u4e2d\uff0c\u8bed\u53e5\u7684\u5206\u9694\u662f\u4ee5\u5206\u53f7(;)\u4e3a\u5206\u9694\u7b26\u7684\u3002\u5206\u884c\u5199\u4ee3\u7801\u53ea\u662f\u4e3a\u4e86\u66f4\u65b9\u4fbf\u4eba\u9605\u8bfb\u3002
\u4ee5\u4e0b\u7a0b\u5e8f\u5305\u542b\u66f4\u591a\u7684\u8bed\u53e5\uff1a<\/p>\n\n\n\n

\/\/ my second program in C++
#include <iostream.h>

int main ()
{
cout << “Hello World! “;
cout << “I’m a C++ program”;
return 0;
}<\/td>		Hello World! I’m a C++ program<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5728\u4e24\u4e2a\u4e0d\u540c\u7684\u8bed\u53e5\u4e2d\u8c03\u7528\u4e86cout << \u51fd\u6570\u4e24\u6b21\u3002\u518d\u4e00\u6b21\u8bf4\u660e\u5206\u884c\u5199\u7a0b\u5e8f\u4ee3\u7801\u53ea\u662f\u4e3a\u4e86\u6211\u4eec\u9605\u8bfb\u65b9\u4fbf\uff0c\u56e0\u4e3a\u8fd9\u4e2amain \u51fd\u6570\u4e5f\u53ef\u4ee5\u88ab\u5199\u4e3a\u4ee5\u4e0b\u5f62\u5f0f\u800c\u6ca1\u6709\u4efb\u4f55\u95ee\u9898:int main () { cout << ” Hello World! “; cout << ” I’m to C++ program “; return 0; }<\/p>\n\n\n\n

\u4e3a\u65b9\u4fbf\u8d77\u89c1\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u628a\u4ee3\u7801\u5206\u4e3a\u66f4\u591a\u7684\u884c\u6765\u5199\uff1a
int main ()
{
cout <<
“Hello World!”;
cout
<< “I’m a C++ program”;
return 0;
}<\/p>\n\n\n\n

\u5b83\u7684\u8fd0\u884c\u7ed3\u679c\u5c06\u548c\u4e0a\u9762\u7684\u4f8b\u5b50\u5b8c\u5168\u4e00\u6837\u3002<\/p>\n\n\n\n

\u8fd9\u4e2a\u89c4\u5219\u5bf9\u9884\u5904\u7406\u5668\u6307\u793a\u884c\uff08\u4ee5#\u53f7\u5f00\u59cb\u7684\u884c\uff09\u5e76\u4e0d\u9002\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u5e76\u4e0d\u662f\u771f\u6b63\u7684\u8bed\u53e5\u3002\u5b83\u4eec\u7531\u9884\u5904\u7406\u5668\u8bfb\u53d6\u5e76\u5ffd\u7565\uff0c\u5e76\u4e0d\u4f1a\u751f\u6210\u4efb\u4f55\u4ee3\u7801\u3002\u56e0\u6b64\u4ed6\u4eec\u6bcf\u4e00\u4e2a\u5fc5\u987b\u5355\u72ec\u6210\u884c\uff0c\u672b\u5c3e\u4e0d\u9700\u8981\u5206\u53f7(;)<\/p>\n\n\n\n

\u6ce8\u91ca (Comments)<\/h3>\n\n\n\n

\u6ce8\u91ca(comments)\u662f\u6e90\u4ee3\u7801\u7684\u4e00\u90e8\u5206\uff0c\u4f46\u5b83\u4eec\u4f1a\u88ab\u7f16\u8bd1\u5668\u5ffd\u7565\u3002\u5b83\u4eec\u4e0d\u4f1a\u751f\u6210\u4efb\u4f55\u6267\u884c\u4ee3\u7801\u3002 \u4f7f\u7528\u6ce8\u91ca\u7684\u76ee\u7684\u53ea\u662f\u4f7f\u7a0b\u5e8f\u5458\u53ef\u4ee5\u5728\u6e90\u7a0b\u5e8f\u4e2d\u63d2\u5165\u4e00\u4e9b\u8bf4\u660e\u89e3\u91ca\u6027\u7684\u5185\u5bb9\u3002
C++ \u652f\u6301\u4e24\u4e2d\u63d2\u5165\u6ce8\u91ca\u7684\u65b9\u6cd5:
\/\/ line comment
\/* block comment *\/<\/p>\n\n\n\n

\u7b2c\u4e00\u79cd\u65b9\u6cd5\u4e3a\u884c\u6ce8\u91ca\uff0c\u5b83\u544a\u8bc9\u7f16\u8bd1\u5668\u5ffd\u7565\u4ece\/\/\u5f00\u59cb\u81f3\u672c\u884c\u7ed3\u675f\u7684\u4efb\u4f55\u5185\u5bb9\u3002\u7b2c\u4e8c\u79cd\u4e3a\u5757\u6ce8\u91ca\uff08\u6bb5\u6ce8\u91ca\uff09\uff0c\u544a\u8bc9\u7f16\u8bd1\u5668\u5ffd\u7565\u5728\/*\u7b26\u53f7\u548c*\/\u7b26\u53f7\u4e4b\u95f4\u7684\u6240\u6709\u5185\u5bb9\uff0c\u53ef\u80fd\u5305\u542b\u591a\u884c\u5185\u5bb9\u3002<\/p>\n\n\n\n

\u5728\u4ee5\u4e0b\u6211\u4eec\u7684\u7b2c\u4e8c\u4e2a\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u63d2\u5165\u4e86\u66f4\u591a\u7684\u6ce8\u91ca\u3002<\/p>\n\n\n\n

\/* my second program in C++
with more comments *\/

#include <iostream.h>

int main ()
{
cout << “Hello World! “; \/\/ says Hello World!
cout << “I’m a C++ program”; \/\/ says I’m a C++ program
return 0;
}<\/td>		Hello World! I’m a C++ program<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5982\u679c\u4f60\u5728\u6e90\u7a0b\u5e8f\u4e2d\u63d2\u5165\u4e86\u6ce8\u91ca\u800c\u6ca1\u6709\u7528\/\/\u7b26\u53f7\u6216\/*\u548c*\/\u7b26\u53f7\uff0c\u7f16\u8bd1\u5668\u4f1a\u628a\u5b83\u4eec\u5f53\u6210C++\u7684\u8bed\u53e5\uff0c\u90a3\u4e48\u5728\u7f16\u8bd1\u65f6\u5c31\u4f1a\u51fa\u73b0\u4e00\u4e2a\u6216\u591a\u4e2a\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

1.1 C++\u7a0b\u5e8f\u7ed3\u6784 \uff08Structure of a program\uff09 \u4e0b\u9762\u6211\u4eec\u4ece\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u7a0b\u5e8f\u5165\u624b\u770b\u4e00\u4e2aC++\u7a0b\u5e8f\u7684\u7ec4\u6210\u7ed3\u6784\u3002 \/\/ my first program in C++#include <iostream.h>using namespace std; int main() {    cout << \u201cHello World!\u201d;    return 0;} Hello World! \u4e0a\u9762\u5de6\u4fa7\u663e\u793a\u4e86\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\u7684\u6e90\u4ee3\u7801\uff0c\u4ee3\u7801\u6587\u4ef6\u540d\u79f0\u4e3ahellowworld.cpp\u3002\u53f3\u8fb9\u663e\u793a\u4e86\u7a0b\u5e8f\u88ab\u7f16\u8bd1\u6267\u884c\u540e\u7684\u8f93\u51fa\u7ed3\u679c\u3002\u7f16\u8f91\u548c\u7f16\u8bd1\u4e00\u4e2a\u7a0b\u5e8f\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u4f60\u7528\u7684\u662f\u4ec0\u4e48\u7f16\u8bd1\u5668\uff0c\u6839\u636e\u5b83\u662f\u5426\u6709\u56fe\u5f62\u5316\u7684\u754c\u9762\u53ca\u7248\u672c\u7684\u4e0d\u540c\uff0c\u7f16\u8bd1\u65b9\u6cd5\u4e5f\u6709\u53ef\u80fd\u4e0d\u540c\uff0c\u5177\u4f53\u8bf7\u53c2\u7167\u4f60\u6240\u4f7f\u7528\u7684\u7f16\u8bd1\u5668\u7684\u4f7f\u7528\u8bf4\u660e\u3002 \u4ee5\u4e0a\u7a0b\u5e8f\u662f\u591a\u6570\u521d\u5b66\u8005\u5b66\u4f1a\u5199\u7684\u7b2c\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5b83\u7684\u8fd0\u884c\u7ed3\u679c\u662f\u5728\u5c4f\u5e55\u4e0a\u6253\u51fa\u201dHello World!\u201d\u8fd9\u53e5\u8bdd\u3002 \u867d\u7136\u5b83\u53ef\u80fd\u662fC++\u53ef\u5199\u51fa\u7684\u6700\u7b80\u5355\u7684\u7a0b\u5e8f\u4e4b\u4e00\uff0c\u4f46\u5176\u4e2d\u5df2\u7ecf\u5305\u542b\u4e86\u6bcf\u4e00\u4e2aC++\u7a0b\u5e8f\u7684\u57fa\u672c\u7ec4\u6210\u7ed3\u6784\u3002 \u4e0b\u9762\u6211\u4eec\u5c31\u9010\u4e2a\u5206\u6790\u5176\u7ec4\u6210\u7ed3\u6784\u7684\u6bcf\u4e00\u90e8\u5206\uff1a \/\/ my first program in C++ \u8fd9\u662f\u6ce8\u91ca\u884c\u3002\u6240\u6709\u4ee5\u4e24\u4e2a\u659c\u7ebf\u7b26\u53f7(\/\/)\u5f00\u59cb\u7684\u7a0b\u5e8f\u884c\u90fd\u88ab\u8ba4\u4e3a\u662f\u6ce8\u91ca\u884c\uff0c\u8fd9\u4e9b\u6ce8\u91ca\u884c\u662f\u7a0b\u5e8f\u5458\u5199\u5728\u7a0b\u5e8f\u6e90\u4ee3\u7801\u5185\uff0c\u7528\u6765\u5bf9\u7a0b\u5e8f\u4f5c\u7b80\u5355\u89e3\u91ca\u6216\u63cf\u8ff0\u7684\uff0c \u5bf9\u7a0b\u5e8f\u672c\u8eab\u7684\u8fd0\u884c\u4e0d\u4f1a\u4ea7\u751f\u5f71\u54cd\u3002\u5728\u672c\u4f8b\u4e2d\uff0c \u8fd9\u884c\u6ce8\u91ca\u5bf9\u672c\u7a0b\u5e8f\u662f\u4ec0\u4e48\u505a\u4e86\u4e00\u4e2a\u7b80\u8981\u7684\u63cf\u8ff0\u3002 # include < iostream.h > \u4ee5#\u6807\u5fd7\u5f00\u59cb\u7684\u53e5\u5b50\u662f\u9884\u5904\u7406\u5668\u7684\u6307\u793a\u8bed\u53e5\u3002\u5b83\u4eec\u4e0d\u662f\u53ef\u6267\u884c\u4ee3\u7801\uff0c\u53ea\u662f\u5bf9\u7f16\u8bd1\u5668\u4f5c\u51fa\u6307\u793a\u3002\u5728\u672c\u4f8b\u4e2d\u8fd9\u4e2a\u53e5\u5b50# include < iostream.h > \u544a\u8bc9\u7f16\u8bd1\u5668\u7684\u9884\u5904\u7406\u5668\u5c06\u8f93\u5165\u8f93\u51fa\u6d41\u7684\u6807\u51c6\u5934\u6587\u4ef6(iostream.h)\u5305\u62ec\u5728\u672c\u7a0b\u5e8f\u4e2d\u3002\u8fd9\u4e2a\u5934\u6587\u4ef6\u5305\u62ec\u4e86C++\u4e2d\u5b9a\u4e49\u7684\u57fa\u672c\u6807\u51c6\u8f93\u5165-\u8f93\u51fa\u7a0b\u5e8f\u5e93\u7684\u58f0\u660e\u3002\u6b64\u5904\u5b83\u88ab\u5305\u62ec\u8fdb\u6765\u662f\u56e0\u4e3a\u5728\u672c\u7a0b\u5e8f\u7684\u540e\u9762\u90e8\u5206\u4e2d\u5c06\u7528\u5230\u5b83\u7684\u529f\u80fd\u3002 using namespace std; […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":309,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/311"}],"collection":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/comments?post=311"}],"version-history":[{"count":1,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/311\/revisions"}],"predecessor-version":[{"id":312,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/311\/revisions\/312"}],"up":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/309"}],"wp:attachment":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/media?parent=311"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}