{"id":185842,"date":"2024-11-11T00:57:19","date_gmt":"2024-11-10T16:57:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185842\/"},"modified":"2024-11-11T00:57:20","modified_gmt":"2024-11-10T16:57:20","slug":"%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95mfc%e7%a8%8b%e5%ba%8f%e5%a6%82%e4%bd%95%e4%bf%9d%e5%ad%98%e5%be%9e%e7%b6%b2%e7%ab%99%e8%bf%94%e5%9b%9e%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185842\/","title":{"rendered":"\u6578\u64da\u7684\u65b9\u6cd5MFC\u7a0b\u5e8f\u5982\u4f55\u4fdd\u5b58\u5f9e\u7db2\u7ad9\u8fd4\u56de\u7684\u6578\u64da\u5eab\u6578\u64da\uff1f\uff08mfc\u4fdd\u5b58\u7db2\u7ad9\u8fd4\u56de\u7684\u6578\u64da\u5eab\uff09"},"content":{"rendered":"

\u6578\u64da\u7684\u65b9\u6cd5MFC\u7a0b\u5e8f\u5982\u4f55\u4fdd\u5b58\u5f9e\u7db2\u7ad9\u8fd4\u56de\u7684\u6578\u64da\u5eab\u6578\u64da\uff1f<\/h1>\n

\u5728\u73fe\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0cMFC\uff08Microsoft Foundation Class\uff09\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u6846\u67b6\uff0c\u7279\u5225\u662f\u5728Windows\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u4e2d\u3002\u7576\u958b\u767c\u8005\u9700\u8981\u5f9e\u7db2\u7ad9\u7372\u53d6\u6578\u64da\u4e26\u5c07\u5176\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u6642\uff0cMFC\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528MFC\u7a0b\u5e8f\u4fdd\u5b58\u5f9e\u7db2\u7ad9\u8fd4\u56de\u7684\u6578\u64da\u5eab\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

1. \u7372\u53d6\u7db2\u7ad9\u6578\u64da<\/h2>\n

\u9996\u5148\uff0c\u958b\u767c\u8005\u9700\u8981\u5f9e\u7db2\u7ad9\u7372\u53d6\u6578\u64da\u3002\u9019\u901a\u5e38\u901a\u904eHTTP\u8acb\u6c42\u4f86\u5be6\u73fe\u3002\u5728MFC\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528CWinHttpSession\u548cCWinHttpConnection\u985e\u4f86\u767c\u9001HTTP\u8acb\u6c42\u4e26\u63a5\u6536\u97ff\u61c9\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n

\nCWinHttpSession session;\nCWinHttpConnection connection(&session, _T(\"www.example.com\"));\nCHttpFile* pFile = connection.GetHttpFile(_T(\"\/api\/data\"));\n\nCString strData;\nif (pFile)\n{\n    char buffer[4096];\n    while (pFile->Read(buffer, sizeof(buffer)) > 0)\n    {\n        strData += buffer;\n    }\n    pFile->Close();\n}\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500bHTTP\u6703\u8a71\uff0c\u7136\u5f8c\u9023\u63a5\u5230\u6307\u5b9a\u7684\u7db2\u7ad9\uff0c\u4e26\u5f9eAPI\u7372\u53d6\u6578\u64da\u3002\u7372\u53d6\u7684\u6578\u64da\u5c07\u88ab\u5b58\u5132\u5728CString\u8b8a\u91cf\u4e2d\u3002<\/p>\n
2. \u89e3\u6790\u6578\u64da<\/h2>\n
\u7372\u53d6\u6578\u64da\u5f8c\uff0c\u4e0b\u4e00\u6b65\u662f\u89e3\u6790\u9019\u4e9b\u6578\u64da\u3002\u901a\u5e38\uff0c\u7db2\u7ad9\u8fd4\u56de\u7684\u6578\u64da\u683c\u5f0f\u70baJSON\u6216XML\u3002\u9019\u88e1\u6211\u5011\u4ee5JSON\u70ba\u4f8b\uff0c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5eab\u5982JsonCpp\u4f86\u89e3\u6790\u6578\u64da\u3002<\/p>\n
\n#include \n\nJson::Value jsonData;\nJson::CharReaderBuilder reader;\nstd::string errs;\n\nstd::istringstream s(strData.GetString());\nif (Json::parseFromStream(reader, s, &jsonData, &errs))\n{\n    \/\/ \u6210\u529f\u89e3\u6790\n    CString name = jsonData[\"name\"].asString().c_str();\n    int age = jsonData[\"age\"].asInt();\n}\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528JsonCpp\u5eab\u4f86\u89e3\u6790JSON\u6578\u64da\uff0c\u4e26\u63d0\u53d6\u6240\u9700\u7684\u5b57\u6bb5\u3002<\/p>\n
3. \u4fdd\u5b58\u6578\u64da\u5230\u6578\u64da\u5eab<\/h2>\n
\u89e3\u6790\u5b8c\u6578\u64da\u5f8c\uff0c\u958b\u767c\u8005\u9700\u8981\u5c07\u5176\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d\u3002MFC\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u9023\u63a5\u65b9\u5f0f\uff0c\u5305\u62ecODBC\u548cOLE DB\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528ODBC\u7684\u793a\u4f8b\uff1a<\/p>\n
\nCDatabase database;\ndatabase.OpenEx(_T(\"DSN=MyDataSource;UID=user;PWD=password;\"));\n\nCString sql;\nsql.Format(_T(\"INSERT INTO Users (Name, Age) VALUES ('%s', %d)\"), name, age);\ndatabase.ExecuteSQL(sql);\ndatabase.Close();\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u6253\u958b\u6578\u64da\u5eab\u9023\u63a5\uff0c\u7136\u5f8c\u4f7f\u7528SQL\u8a9e\u53e5\u5c07\u89e3\u6790\u51fa\u7684\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n
4. \u932f\u8aa4\u8655\u7406<\/h2>\n
\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u958b\u767c\u8005\u61c9\u8a72\u6aa2\u67e5\u6bcf\u4e00\u6b65\u7684\u8fd4\u56de\u503c\uff0c\u4ee5\u78ba\u4fdd\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002\u4f8b\u5982\uff0c\u5728\u7372\u53d6\u6578\u64da\u6216\u4fdd\u5b58\u6578\u64da\u6642\uff0c\u5982\u679c\u51fa\u73fe\u932f\u8aa4\uff0c\u61c9\u8a72\u9069\u7576\u5730\u8655\u7406\u9019\u4e9b\u932f\u8aa4\u3002<\/p>\n
\nif (!database.OpenEx(...))\n{\n    AfxMessageBox(_T(\"\u7121\u6cd5\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\"));\n    return;\n}\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
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\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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