{"id":97,"date":"2009-07-08T09:42:31","date_gmt":"2009-07-08T09:42:31","guid":{"rendered":""},"modified":"2011-11-18T17:00:44","modified_gmt":"2011-11-18T09:00:44","slug":"97","status":"publish","type":"post","link":"http:\/\/zerobox.org\/notes\/97.html","title":{"rendered":"\u5982\u4f55\u8c03\u7528MYSQL\u7684C API\u51fd\u6570"},"content":{"rendered":"<h2><span style=\"font-size: x-small;\">\u4e00\uff0c\u00a0 \u00a0mysql\u7684\u5b89\u88c5\u548c\u4f7f\u7528\u3002<br \/>\n1\uff0c\u00a0 \u00a0\u5b89\u88c5mysql\uff0c<\/span><a href=\"http:\/\/dev.mysql.com\/downloads\/\" target=\"_blank\"><span style=\"font-size: x-small;\">http:\/\/dev.mysql.com\/downloads\/<\/span><\/a><span style=\"font-size: x-small;\">\u4e0b\u8f7dmysql-4.0.23-win.zip\uff0c\u542c\u8bf4\u8fd9\u4e2a\u7248\u672c\u6bd4\u8f83\u7a33\u5b9a\uff0c\u66fe\u7ecf\u4e0b\u8f7d\u8fc7mysql-4.1.7-win.zip\uff0c\u4f46\u662f\u4e0d\u597d\u7528\uff0c\u8001\u662f\u542f\u52a8\u7684\u65f6\u5019\u63d0\u793a\u8fdb\u7a0b\u610f\u5916\u7ec8\u6b62\uff0c\u4e0b\u8f7d\u5b8c\u4ee5\u540e\u5c31\u4e00\u8defnext\u62c9\u3002<br \/>\n2\uff0c\u00a0 \u00a0\u542f\u52a8mysql\uff0c\u8fdb\u5165c:mysql\bin,\u70b9\u51fbwinmysqladmin\u5c31\u597d\u4e86\uff0c\u7b2c\u4e00\u6b21\u8fdb\u53bb\u7684\u65f6\u5019\u4f1a\u8981\u6c42\u586b\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\u7684\uff0c\u4ee5\u4fbf\u5728\u7cfb\u7edf\u76ee\u5f55\u4e0b\u751f\u6210my.ini\u6587\u4ef6\u3002\u6240\u4ee5\u8981\u6ce8\u610f\u5728\u5378\u8f7dmysql\u7684\u65f6\u5019\u4e00\u5b9a\u8981\u641c\u7d22\u4e00\u4e0bmy.ini\uff0c\u5e76\u4e14\u628a\u4ed6\u5220\u9664\uff0c\u514d\u5f97\u4ed6\u5f71\u54cd\u4e0b\u4e00\u6b21\u7684\u5b89\u88c5\u3002\u4e0d\u8fc7\u4ee5\u540e\u542f\u52a8\u5c31\u7528net start mysql,\u5173\u95ed\u4f7f\u7528net stop mysql\u5c31\u597d\u4e86\u3002\u53ef\u4ee5\u8f93\u5165c:mysql\binmysql\u6765\u6d4b\u8bd5\u4e00\u4e0b\u3002<br \/>\n3\uff0c\u00a0 \u00a0\u7528\u6237\u7ba1\u7406\uff0c\u521a\u5b89\u88c5\u7684\u65f6\u5019\u53ea\u6709\u4e24\u4e2a\u7528\u6237\uff0c\u4e00\u4e2a\u662froot,\u4e00\u4e2a\u662f\u7a7a\uff0c\u4ed6\u4eec\u7684\u5bc6\u7801\u90fd\u4e3a\u7a7a\u3002\u6211\u4eec\u5148\u4e3aroot\u6765\u8bbe\u7f6e\u53e3\u4ee4\u3002C:mysql\binmysqladmin \u2013u root password \u201c1234567\u201d\u3002 mysql \u2013u root \u2013p.\u8f93\u5165\u5bc6\u7801\u4ee5\u540e\u5c31\u53ef\u4ee5\u770b\u89c1mysql\u63d0\u793a\u7b26\u4e86,<br \/>\nshow databases;\u67e5\u770b\u6240\u6709\u7684\u6570\u636e\u5e93\uff0c\u8bb0\u5f97\u4e00\u5b9a\u8981\u6253\u540e\u9762\u7684\u5206\u53f7\uff0c\u56de\u8f66\u53ea\u662f\u6362\u884c\u3002<br \/>\nuse mysql; \u9009\u62e9\u6570\u636e\u5e93mysql,<br \/>\nshow tables from mysql; \u67e5\u770b\u6570\u636e\u5e93mysql\u4e2d\u7684\u6240\u6709\u8868\u683c\uff0c\u5728user\u8868\u683c\u4e2d\u5c31\u8bb0\u5f55\u4e86\u7528\u6237\u540d\uff0c\u5bc6\u7801\uff0c\u7528\u6237\u6743\u9650\u7b49\u4fe1\u606f\u3002<br \/>\nSelect host,password,user from user; user\u91cc\u9762\u5217\u6570\u592a\u591a\u4e86\uff0c\u770b\u5230\u8fd9\u4e09\u4e2a\u4fe1\u606f\u5c31\u5dee\u4e0d\u591a\u4e86\uff0c\u91cc\u9762\u5217\u51fa\u6765\u4e86\u6240\u6709\u7684\u7528\u6237\u540d\uff0c\u4ee5\u53ca\u5141\u8bb8\u767b\u9646\u7684\u5730\u5740\u3002\u5728\u8fd9\u91cc\u5148\u5220\u9664\u533f\u540d\u7528\u6237\uff0cdelete from user where user=\u201d\u201d,\u63a5\u7740\u628ahost\u4e0d\u662f\u672c\u5730\u7684\u5220\u9664\uff0cdelete form user where host=www.*.com,\u73b0\u5728\u5c31\u53ea\u5269\u4e0b\u4e00\u4e2aroot\u7528\u6237\u53ef\u4ee5\u4ece\u672c\u5730\u767b\u9646\u6211\u7684\u6570\u636e\u5e93\u4e86\u3002\u4e0b\u9762\u6dfb\u52a0\u4e00\u4e2a\u5e38\u7528\u7684\u7528\u6237\uff0c\u5047\u5b9a\u8be5\u7528\u6237\u53ef\u4ee5\u4ece\u4efb\u610f\u5730\u5740\u767b\u5f55\uff0c\u5e76\u4e14\u62e5\u6709\u6240\u6709\u7684\u6743\u9650\uff0cgrant all privileges on *.* to sagely@\u201d%\u201d identified by \u2018\u5bc6\u7801\u2019 with GRANT OPTION\u3002\u518d\u4e00\u6b21Select host,password,user from user;\u5c31\u53ef\u4ee5\u770b\u5230\u591a\u4e86\u4e00\u4e2asagely\u7528\u6237\uff0c\u4ed6\u53ef\u4ee5\u4ece\u4efb\u4f55\u5730\u5740\u767b\u5f55\uff0c\u81f3\u4e8e\u6dfb\u52a0\u522b\u7684\u7528\u6237\u4e5f\u662f\u540c\u7406\uff0c\u53ea\u662f\u53ef\u80fd\u6743\u9650\u63a7\u5236\u4e0d\u540c\uff0c\u53ef\u4ee5\u4f7f\u7528\u63d2\u5165user\u4e2d\u4e00\u6761\u8bb0\u5f55\u6765\u5b9e\u73b0\uff0c\u8b6c\u5982insert into user values(\u2018localhost\u2019,\u2019sage\u2019,PASSWORD(\u2018123\u2019),\u2019Y\u2019,\u2019Y\u2019,\u2019Y\u2019,\u2019Y\u2019,,,,,);\u6765\u5b9e\u73b0\uff0c\u5177\u4f53\u7684Y\u8fd8\u662fN\u4f9d\u7167\u6743\u9650\u800c\u5b9a\u3002\u8fd9\u6837\u5c31\u5b9e\u73b0\u4e86\u5bf9mysql\u6570\u636e\u5e93\u7528\u6237\u7684\u7ba1\u7406\u3002<br \/>\n4\uff0c\u00a0 \u00a0\u6570\u636e\u7684\u63d2\u5165\u3001\u5220\u9664\uff0c\u4fee\u6539\u548c\u67e5\u8be2\u3002<br \/>\n\u5728\u8fd9\u4e00\u90e8\u5206\uff0c\u4e3b\u8981\u662f\u5e94\u7528\u4e86SQL\u8bed\u53e5\u3002\uff08\u5728mysql\u547d\u4ee4\u884c\u4e0b\uff09<br \/>\ncreate database ra; \u521b\u5efa\u4e00\u4e2a\u540d\u4e3ara\u7684\u6570\u636e\u5e93\u3002<br \/>\nUse ra; Create table usr_info(c varchar(15),st varchar(15),l varchar(15),o varchar(15),u varchar(15),cn varchar(15))\u521b\u5efa\u4e00\u4e2a\u540d\u4e3ausr_info\u7684\u8868\uff0c\u5728\u8868\u4e2d\u67096\u4e2a\u5c5e\u6027\u3002<br \/>\nInsert into usr_info values(\u201ccn\u201d,\u201ddd\u201d,\u201ddd\u201d,\u201ddd\u201d,\u201dee\u201d,\u201dee\u201d)\u63d2\u5165\u5177\u4f53\u6570\u636e\u3002\u7b49\u7b49\uff0c\u5177\u4f53\u90fd\u548cSQL\u8bed\u53e5\u662f\u4e00\u6837\u7684\u3002<br \/>\n\u4e8c \uff0cC API\u7684\u4f7f\u7528<br \/>\n1\uff0c\u00a0 \u00a0\u73af\u5883\u7684\u8bbe\u5b9a<br \/>\n\u5728VC\u91cc\u7684toos-&gt;option-&gt;directories\u4e2d\u5c06include\u589e\u52a0\u4e00\u4e2ac:mysqlinclude,\u5c06lib\u589e\u52a0\u4e00\u4e2ac:mysqllib,\u5c06libmysql.dll\u548clibmysql.lib\u62f7\u5230\u5f53\u524d\u76ee\u5f55\u4e0b\uff0c\u5e76\u4e14\u628alibmysql.lib\u589e\u52a0\u5230\u5de5\u7a0b\u4e2d\u3002<br \/>\n2\uff0c\u00a0 \u00a0\u5efa\u7acb\u4e0e\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3002<br \/>\nInclude &lt;mysql.h&gt; \/\/\u5305\u542b\u5934\u6587\u4ef6<br \/>\nMYSQL *conn\uff1b\/\/\u5b9a\u4e49\u4e00\u4e2aMYSQL\u7c7b\u578b\u7ed3\u6784\uff0c\u8fd9\u4e2a\u51e0\u4e4e\u5728\u6240\u6709\u7684\u540e\u9762\u7684\u7f16\u7a0b\u4e2d\u90fd\u9700\u8981<br \/>\nMYSQL *mysql_init(MYSQL *conn);\/\/\u5982\u679cconn=NULL\uff0c\u8fd4\u56de\u4e00\u4e2a\u65b0\u5206\u914d\u7684\u53e5\u67c4\u7ed3\u6784\u8fd4\u56de\uff0c\u53cd\u4e4b\u5219\u91cd\u65b0\u521d\u59cb\u5316\u8be5\u7ed3\u6784\uff0c\u51fa\u73b0\u9519\u8bef\u5219\u8fd4\u56deNULL\uff1b<br \/>\nMYSQL *mysql_real_connect(MYSQL * connection,const char *server_host,const char *sql_urs_name,const char *sql_password,const char *db_name,unsigned int port_number,const char *unix_socket_name,unsigned int flags);\/\/\u8fde\u63a5MYSQL\u670d\u52a1\u5668\uff0c\u91cc\u9762\u7684\u53c2\u6570\u5e94\u8be5\u5f88\u6e05\u695a\u4e86\uff0c\u4e00\u822cport_number\u548cunix_socket_name\u7684\u503c\u4e3a0\u548cNULL\u3002\u4f8b\u5982\uff1a<br \/>\nmysql_real_connect(conn_ptr,&#8221;localhost&#8221;,&#8221;sagely&#8221;,&#8221;secret&#8221;,&#8221;ra&#8221;,0,NULL,0);<br \/>\nvoid mysql_close(MYSQL *connection);\u5173\u95ed\u4e00\u4e2a\u8fde\u63a5\u3002<br \/>\n3\uff0c\u00a0 \u00a0\u6267\u884cSQL\u8bed\u53e5<br \/>\nmysql_select_db\uff08MYSQL *connection,const char *db_name\uff09;\u9009\u5b9a\u67d0\u4e2a\u6570\u636e\u5e93\u3002<br \/>\nint mysql_query(MYSQL *connection,const char *query)\/\/\u4ed6\u5c06\u6267\u884cquery\u8bed\u53e5\uff0c\u8fd0\u884c\u6210\u529f\u5c06\u8fd4\u56de0\uff0c\u4f8b\u5982mysql_query(conn_ptr, Create table cert_info(\u2026),\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3acert_info\u7684\u8868\uff0c\u51e0\u4e4e\u6240\u6709\u7684SQL\u8bed\u53e5\u90fd\u80fd\u8fd9\u4e48\u6267\u884c\u3002\u5475\u5475\uff0c\u662f\u4e0d\u662f\u663e\u5f97\u5f88\u7b80\u5355\uff0c\u4ed6\u5c31\u548c\u547d\u4ee4\u884c\u4e2d\u8f93\u5165\u7684SQL\u8bed\u53e5\u5dee\u4e0d\u591a\u3002\u5728\u4f7f\u7528\u4e0a\u9762\u51fd\u6570\u7684\u65f6\u5019\u4e00\u822c\u4f1a\u4f7f\u7528<br \/>\nmy_ulonglong mysql_affected_rows(MYSQL *connection)\uff0c\u8fd9\u4e2a\u51fd\u6570\u8fd4\u56de\u7684\u662fmysql_query\u5bf9\u8fdb\u884c\u6539\u52a8\u7684\u884c\u7684\u6570\u91cf\u3002<br \/>\n4\uff0c\u00a0 \u00a0\u5904\u7406\u68c0\u7d22\u5230\u7684\u6570\u636e<br \/>\n\u5f53\u6211\u4eec\u53ef\u4ee5\u6267\u884cSQL\u8bed\u53e5\u4ee5\u540e\uff0c\u90a3\u4e48\u5c31\u5f88\u5bb9\u6613\u6267\u884c\u589e\u52a0\u5220\u9664\u4fee\u6539\u7b49\u64cd\u4f5c\uff0c\u4f46\u662f\u5047\u82e5\u68c0\u7d22\u51fa\u6765\u7684\u6570\u636e\u5b58\u50a8\u5728\u54ea\u91cc\u5462\uff1f<br \/>\nMYSQL_RES *mysql_use_result(MYSQL *connection)\u8fd9\u4e2a\u51fd\u6570\u5f97\u5230\u4e00\u4e2a\u8fde\u63a5\u5bf9\u8c61\u8fd4\u56de\u4e00\u4e2a\u7ed3\u679c\u96c6\u5408\u6307\u9488\uff0c\u51fa\u9519\u65f6\u8fd4\u56deNULL\u3002\u4e0d\u8fc7\u4ed6\u53ea\u662f\u8fd4\u56de\u4e00\u4e2a\u96c6\u5408\u5bf9\u8c61\u521d\u59cb\u5316\u6765\u63a5\u6536\u6570\u636e\uff0c\u5e76\u6ca1\u6709\u5c06\u4efb\u4f55\u68c0\u7d22\u5230\u7684\u6570\u636e\u8fd4\u56de\u5230\u7ed3\u679c\u96c6\u5408\u4e2d\u3002<br \/>\nMYSQL_ROW mysql_fetch_row(MYSQL_RES *result)\u8fd9\u4e2a\u51fd\u6570\u83b7\u5f97mysql_use_resul\u5f97\u5230\u7684\u7ed3\u679c\u7ed3\u6784\u4f53\uff0c\u5e76\u4ece\u4e2d\u68c0\u7d22\u5355\u4e2a\u884c\uff0c\u5e76\u8fd4\u56de\u5206\u914d\u7ed9\u884c\u7ed3\u6784\u4f53\u7684\u6570\u636e\uff0c\u6ca1\u6709\u66f4\u591a\u6570\u636e\u6216\u51fa\u9519\u65f6\uff0c\u8fd4\u56deNULL\u3002<br \/>\nUnsigned int mysql_field_count(MYSQL *connection)\u5b83\u5f97\u5230\u4e00\u4e2a\u8fde\u63a5\u5bf9\u8c61\u5e76\u8fd4\u56de\u5728\u96c6\u5408\u4e2d\u5b57\u6bb5\u7684\u6570\u76ee\u3002<br \/>\n\u4e8e\u662f\u6709\u4e0a\u9762\u7684\u57fa\u7840\u6211\u4eec\u5c31\u53ef\u4ee5\u7406\u89e3\u4e0b\u9762\u8fd9\u6bb5\u4e86\uff1a\uff08\u6ca1\u6709\u9519\u8bef\u5904\u7406\uff09<br \/>\nmysql_init(&amp;conn_ptr);<br \/>\nmysql_real_connect(conn_ptr,&#8221;localhost&#8221;,&#8221;sagely&#8221;,&#8221;secret&#8221;,&#8221;ra&#8221;,0,NULL,0);<br \/>\nmysql_query(conn_ptr,\u201dSELECT * form usr_info);<br \/>\nres_ptr=mysql_use_result(&amp;conn_ptr);<br \/>\nsqlrow=mysql_fetch_row(res_ptr);<br \/>\nfor(int i=0;i&lt;mysql_field_count(&amp;conn_ptr);i++){printf(\u201c%s \u201d,sqlrow);}<br \/>\nMYSQL_FIELD *mysql_fetch_field(MYSQL_RES *result)\u5b83\u8fd4\u56de\u7684\u662f\u5217\u7684\u4fe1\u606f\uff0c\u6bd4\u5982\u5217\u7684\u540d\u79f0\uff0c<span style=\"font-family: Arial;\"><span style=\"font-family: Tahoma;\">\u5217\u6240\u5728\u8868\u540d\u79f0\u7b49\u7b49<\/span>\uff0c<\/span>\u6709\u4e86\u8fd9\u4e2a\u5c31\u53ef\u4ee5\u5c06\u5217\u6807\u9898\u4e0e\u6570\u636e\u60f3\u5bf9\u5e94\u8d77\u6765\u4e86\u3002<\/span><\/h2>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\uff0c\u00a0 \u00a0mysql\u7684\u5b89\u88c5\u548c\u4f7f\u7528\u3002 1\uff0c\u00a0 \u00a0\u5b89\u88c5mysql\uff0chttp:\/\/de &hellip;<\/p>\n<p class=\"read-more\"><a href=\"http:\/\/zerobox.org\/notes\/97.html\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[99],"class_list":["post-97","post","type-post","status-publish","format-standard","hentry","tag-mysql"],"views":872,"_links":{"self":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts\/97","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/comments?post=97"}],"version-history":[{"count":0,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts\/97\/revisions"}],"wp:attachment":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/media?parent=97"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/categories?post=97"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/tags?post=97"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}