{"id":198418,"date":"2024-11-14T18:14:35","date_gmt":"2024-11-14T10:14:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/198418\/"},"modified":"2024-11-14T18:14:35","modified_gmt":"2024-11-14T10:14:35","slug":"%e3%80%8clinux-c%e7%b7%a8%e7%a8%8b%e6%95%99%e7%a8%8b%e3%80%8d%ef%bc%9a%e4%bd%bf%e7%94%a8odbc%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-linux-c-odbc%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/198418\/","title":{"rendered":"\u300cLinux C\u7de8\u7a0b\u6559\u7a0b\u300d\uff1a\u4f7f\u7528ODBC\u9023\u63a5\u6578\u64da\u5eab (linux c odbc\u9023\u63a5\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e3%80%8clinux-c%e7%b7%a8%e7%a8%8b%e6%95%99%e7%a8%8b%e3%80%8d%ef%bc%9a%e4%bd%bf%e7%94%a8odbc%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-UneQvtDyDy\">\u300cLinux C\u7de8\u7a0b\u6559\u7a0b\u300d\uff1a\u4f7f\u7528ODBC\u9023\u63a5\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u662f\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u5c0d\u65bc\u4f7f\u7528C\u8a9e\u8a00\u9032\u884c\u958b\u767c\u7684\u7a0b\u5e8f\u54e1\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528ODBC\uff08Open Database Connectivity\uff09\u4f86\u9023\u63a5\u6578\u64da\u5eab\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Linux\u74b0\u5883\u4e0b\u4f7f\u7528C\u8a9e\u8a00\u548cODBC\u9023\u63a5\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afodbc%ef%bc%9f-UneQvtDyDy\">\u4ec0\u9ebc\u662fODBC\uff1f<\/h2>\n<p>ODBC\u662f\u4e00\u7a2e\u6a19\u6e96\u7684\u6578\u64da\u5eab\u8a2a\u554f\u63a5\u53e3\uff0c\u5141\u8a31\u61c9\u7528\u7a0b\u5e8f\u901a\u904e\u7d71\u4e00\u7684API\u4f86\u8a2a\u554f\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u5eab\u3002\u9019\u610f\u5473\u8457\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u4ee3\u78bc\u4f86\u9023\u63a5\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u800c\u4e0d\u9700\u8981\u91dd\u5c0d\u6bcf\u4e00\u7a2e\u6578\u64da\u5eab\u7de8\u5beb\u7279\u5b9a\u7684\u4ee3\u78bc\u3002ODBC\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5176\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u6578\u64da\u5eab\u9023\u63a5\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e5%9c%a8linux%e4%b8%8a%e5%ae%89%e8%a3%9dodbc-UneQvtDyDy\">\u5728Linux\u4e0a\u5b89\u88ddODBC<\/h2>\n<p>\u5728\u958b\u59cb\u7de8\u5bebC\u7a0b\u5e8f\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5728Linux\u7cfb\u7d71\u4e0a\u5b89\u88ddODBC\u9a45\u52d5\u7a0b\u5e8f\u3002\u4ee5\u4e0b\u662f\u5b89\u88dd\u7684\u6b65\u9a5f\uff1a<\/p>\n<pre><code>sudo apt-get update\nsudo apt-get install unixodbc unixodbc-dev<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5ODBC\u662f\u5426\u6b63\u78ba\u5b89\u88dd\uff1a<\/p>\n<pre><code>odbcinst -q -d<\/code><\/pre>\n<h2 id=\"%e9%85%8d%e7%bd%aeodbc%e6%95%b8%e6%93%9a%e6%ba%90-UneQvtDyDy\">\u914d\u7f6eODBC\u6578\u64da\u6e90<\/h2>\n<p>\u5728\u4f7f\u7528ODBC\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u6578\u64da\u6e90\u540d\u7a31\uff08DSN\uff09\u3002\u9019\u53ef\u4ee5\u901a\u904e\u7de8\u8f2f`\/etc\/odbc.ini`\u548c`\/etc\/odbcinst.ini`\u6587\u4ef6\u4f86\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u914d\u7f6e\uff1a<\/p>\n<pre><code>[MySQL]\nDescription = MySQL ODBC Driver\nDriver = \/usr\/lib\/x86_64-linux-gnu\/odbc\/libmyodbc.so\nServer = localhost\nDatabase = testdb\nUser = root\nPassword = password\nPort = 3306\n<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-UneQvtDyDy\">\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u7de8\u5beb\u4e00\u500b\u7c21\u55ae\u7684C\u7a0b\u5e8f\u4f86\u9023\u63a5\u5230\u914d\u7f6e\u7684\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;string.h&gt;\n#include &lt;sql.h&gt;\n#include &lt;sqlext.h&gt;\n\nvoid connectToDatabase() {\n    SQLHENV hEnv;\n    SQLHDBC hDbc;\n    SQLRETURN ret;\n\n    \/\/ \u5206\u914d\u74b0\u5883\u53e5\u67c4\n    SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &amp;hEnv);\n    SQLSetEnvAttr(hEnv, SQL_ATTR_ODBC_VERSION, (SQLPOINTER)SQL_OV_ODBC3, 0);\n\n    \/\/ \u5206\u914d\u9023\u63a5\u53e5\u67c4\n    SQLAllocHandle(SQL_HANDLE_DBC, hEnv, &amp;hDbc);\n\n    \/\/ \u9023\u63a5\u5230\u6578\u64da\u5eab\n    ret = SQLDriverConnect(hDbc, NULL, (SQLCHAR *)\"DSN=MySQL;\", SQL_NTS, NULL, 0, NULL, SQL_DRIVER_COMPLETE);\n\n    if (SQL_SUCCEEDED(ret)) {\n        printf(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01n\");\n    } else {\n        printf(\"\u9023\u63a5\u5931\u6557\uff01n\");\n    }\n\n    \/\/ \u65b7\u958b\u9023\u63a5\n    SQLDisconnect(hDbc);\n    SQLFreeHandle(SQL_HANDLE_DBC, hDbc);\n    SQLFreeHandle(SQL_HANDLE_ENV, hEnv);\n}\n\nint main() {\n    connectToDatabase();\n    return 0;\n}<\/code><\/pre>\n<h2 id=\"%e7%b7%a8%e8%ad%af%e5%92%8c%e9%81%8b%e8%a1%8c%e7%a8%8b%e5%ba%8f-UneQvtDyDy\">\u7de8\u8b6f\u548c\u904b\u884c\u7a0b\u5e8f<\/h2>\n<p>\u5c07\u4e0a\u8ff0\u4ee3\u78bc\u4fdd\u5b58\u70ba`db_connect.c`\uff0c\u7136\u5f8c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u7de8\u8b6f\uff1a<\/p>\n<pre><code>gcc db_connect.c -o db_connect -lodbc<\/code><\/pre>\n<p>\u7de8\u8b6f\u5b8c\u6210\u5f8c\uff0c\u904b\u884c\u7a0b\u5e8f\uff1a<\/p>\n<pre><code>.\/db_connect<\/code><\/pre>\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u6703\u770b\u5230\u201c\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\u201d\u7684\u6d88\u606f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UneQvtDyDy\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728Linux\u74b0\u5883\u4e0b\u4f7f\u7528C\u8a9e\u8a00\u548cODBC\u9023\u63a5\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\u3002\u901a\u904e\u5b89\u88ddODBC\u9a45\u52d5\u7a0b\u5e8f\u3001\u914d\u7f6e\u6578\u64da\u6e90\u4ee5\u53ca\u7de8\u5beb\u9023\u63a5\u4ee3\u78bc\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u6578\u64da\u5eab\u96c6\u6210\u5230\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u985e\u578b\u7684\u61c9\u7528\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728Linux\u74b0\u5883\u4e0b\u4f7f\u7528C\u8a9e\u8a00\u901a\u904eODBC\u9023\u63a5\u6578\u64da\u5eab\uff0c\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u790e\u77e5\u8b58\u8207\u5be6\u7528\u6280\u5de7\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-198418","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=198418"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198418\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=198418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=198418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=198418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}