\u60a8\u53ef\u4ee5\u4f7f\u7528MySQL\u4e8c\u8fdb\u5236\u65b9\u5f0f\u8fdb\u5165\u5230mysql\u547d\u4ee4\u63d0\u793a\u7b26\u4e0b\u6765\u8fde\u63a5MySQL\u6570\u636e\u5e93\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u4ece\u547d\u4ee4\u884c\u4e2d\u8fde\u63a5mysql\u670d\u52a1\u5668\u7684\u7b80\u5355\u5b9e\u4f8b\uff1a<\/p>\n
[<\/span>root@host<\/span>]#<\/span> mysql <\/span>-<\/span>u root <\/span>-<\/span>p\r\n<\/span>Enter<\/span> password<\/span>:******<\/span><\/pre>\n\u5728\u767b\u5f55\u6210\u529f\u540e\u4f1a\u51fa\u73b0 mysql> \u547d\u4ee4\u63d0\u793a\u7a97\u53e3\uff0c\u4f60\u53ef\u4ee5\u5728\u4e0a\u9762\u6267\u884c\u4efb\u4f55 SQL \u8bed\u53e5\u3002<\/p>\n
\u4ee5\u4e0a\u547d\u4ee4\u6267\u884c\u540e\uff0c\u767b\u5f55\u6210\u529f\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b:<\/p>\n
Welcome<\/span> to the <\/span>MySQL<\/span> monitor<\/span>.<\/span> Commands<\/span> end<\/span> with<\/span> ;<\/span> or<\/span> \\g<\/span>.<\/span>\r\nYour<\/span> MySQL<\/span> connection id <\/span>is<\/span> 2854760<\/span> to server version<\/span>:<\/span> 5.0<\/span>.<\/span>9<\/span>\r\n\r\nType<\/span> 'help;'<\/span> or<\/span> '\\h'<\/span> for<\/span> help<\/span>.<\/span> Type<\/span> '\\c'<\/span> to clear the buffer<\/span>.<\/span><\/pre>\n\u5728\u4ee5\u4e0a\u5b9e\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86root\u7528\u6237\u767b\u5f55\u5230mysql\u670d\u52a1\u5668\uff0c\u5f53\u7136\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6mysql\u7528\u6237\u767b\u5f55\u3002<\/p>\n
\u5982\u679c\u7528\u6237\u6743\u9650\u8db3\u591f\uff0c\u4efb\u4f55\u7528\u6237\u90fd\u53ef\u4ee5\u5728mysql\u7684\u547d\u4ee4\u63d0\u793a\u7a97\u53e3\u4e2d\u8fdb\u884cSQL\u64cd\u4f5c\u3002<\/p>\n
\u9000\u51fa mysql> \u547d\u4ee4\u63d0\u793a\u7a97\u53e3\u53ef\u4ee5\u4f7f\u7528 exit \u547d\u4ee4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
mysql<\/span>><\/span> exit<\/span>\r\nBye<\/span><\/pre>\n
\n\u4f7f\u7528 PHP \u811a\u672c\u8fde\u63a5 MySQL<\/h2>\n
PHP \u63d0\u4f9b\u4e86 mysql_connect() \u51fd\u6570\u6765\u8fde\u63a5\u6570\u636e\u5e93\u3002<\/p>\n
\u8be5\u51fd\u6570\u67095\u4e2a\u53c2\u6570\uff0c\u5728\u6210\u529f\u94fe\u63a5\u5230MySQL\u540e\u8fd4\u56de\u8fde\u63a5\u6807\u8bc6\uff0c\u5931\u8d25\u8fd4\u56de FALSE \u3002<\/p>\n
\u8bed\u6cd5<\/h3>\nconnection mysql_connect<\/span>(<\/span>server<\/span>,<\/span>user<\/span>,<\/span>passwd<\/span>,<\/span>new_link<\/span>,<\/span>client_flag<\/span>);<\/span><\/pre>\n\u53c2\u6570\u8bf4\u660e\uff1a<\/strong><\/p>\n\n\n\n\u53c2\u6570<\/th>\n \u63cf\u8ff0<\/th>\n<\/tr>\n \nserver<\/td>\n \u53ef\u9009\u3002\u89c4\u5b9a\u8981\u8fde\u63a5\u7684\u670d\u52a1\u5668\u3002<\/p>\n\u53ef\u4ee5\u5305\u62ec\u7aef\u53e3\u53f7\uff0c\u4f8b\u5982 “hostname:port”\uff0c\u6216\u8005\u5230\u672c\u5730\u5957\u63a5\u5b57\u7684\u8def\u5f84\uff0c\u4f8b\u5982\u5bf9\u4e8e localhost \u7684 “:\/path\/to\/socket”\u3002<\/p>\n
\u5982\u679c PHP \u6307\u4ee4 mysql.default_host \u672a\u5b9a\u4e49\uff08\u9ed8\u8ba4\u60c5\u51b5\uff09\uff0c\u5219\u9ed8\u8ba4\u503c\u662f ‘localhost:3306’\u3002<\/td>\n<\/tr>\n
\nuser<\/td>\n \u53ef\u9009\u3002\u7528\u6237\u540d\u3002\u9ed8\u8ba4\u503c\u662f\u670d\u52a1\u5668\u8fdb\u7a0b\u6240\u6709\u8005\u7684\u7528\u6237\u540d\u3002<\/td>\n<\/tr>\n \npasswd<\/td>\n \u53ef\u9009\u3002\u5bc6\u7801\u3002\u9ed8\u8ba4\u503c\u662f\u7a7a\u5bc6\u7801\u3002<\/td>\n<\/tr>\n \nnew_link<\/td>\n \u53ef\u9009\u3002\u5982\u679c\u7528\u540c\u6837\u7684\u53c2\u6570\u7b2c\u4e8c\u6b21\u8c03\u7528 mysql_connect()\uff0c\u5c06\u4e0d\u4f1a\u5efa\u7acb\u65b0\u8fde\u63a5\uff0c\u800c\u5c06\u8fd4\u56de\u5df2\u7ecf\u6253\u5f00\u7684\u8fde\u63a5\u6807\u8bc6\u3002\u53c2\u6570 new_link \u6539\u53d8\u6b64\u884c\u4e3a\u5e76\u4f7f mysql_connect() \u603b\u662f\u6253\u5f00\u65b0\u7684\u8fde\u63a5\uff0c\u751a\u81f3\u5f53 mysql_connect() \u66fe\u5728\u524d\u9762\u88ab\u7528\u540c\u6837\u7684\u53c2\u6570\u8c03\u7528\u8fc7\u3002<\/td>\n<\/tr>\n \nclient_flag<\/td>\n \u53ef\u9009\u3002client_flags \u53c2\u6570\u53ef\u4ee5\u662f\u4ee5\u4e0b\u5e38\u91cf\u7684\u7ec4\u5408\uff1a<\/p>\n\n- MYSQL_CLIENT_SSL – \u4f7f\u7528 SSL \u52a0\u5bc6<\/li>\n
- MYSQL_CLIENT_COMPRESS – \u4f7f\u7528\u538b\u7f29\u534f\u8bae<\/li>\n
- MYSQL_CLIENT_IGNORE_SPACE – \u5141\u8bb8\u51fd\u6570\u540d\u540e\u7684\u95f4\u9694<\/li>\n
- MYSQL_CLIENT_INTERACTIVE – \u5141\u8bb8\u5173\u95ed\u8fde\u63a5\u4e4b\u524d\u7684\u4ea4\u4e92\u8d85\u65f6\u975e\u6d3b\u52a8\u65f6\u95f4<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528PHP\u7684 mysql_close() \u51fd\u6570\u6765\u65ad\u5f00\u4e0eMySQL\u6570\u636e\u5e93\u7684\u94fe\u63a5\u3002<\/p>\n
\u8be5\u51fd\u6570\u53ea\u6709\u4e00\u4e2a\u53c2\u6570\u4e3amysql_connect()\u51fd\u6570\u521b\u5efa\u8fde\u63a5\u6210\u529f\u540e\u8fd4\u56de\u7684 MySQL \u8fde\u63a5\u6807\u8bc6\u7b26\u3002<\/p>\n
\u8bed\u6cd5<\/h3>\nbool<\/span> mysql_close <\/span>(<\/span> resource $link_identifier <\/span>);<\/span><\/pre>\n\u672c\u51fd\u6570\u5173\u95ed\u6307\u5b9a\u7684\u8fde\u63a5\u6807\u8bc6\u6240\u5173\u8054\u7684\u5230 MySQL \u670d\u52a1\u5668\u7684\u975e\u6301\u4e45\u8fde\u63a5\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a link_identifier\uff0c\u5219\u5173\u95ed\u4e0a\u4e00\u4e2a\u6253\u5f00\u7684\u8fde\u63a5\u3002<\/p>\n
\u63d0\u793a\uff1a<\/strong>\u901a\u5e38\u4e0d\u9700\u8981\u4f7f\u7528 mysql_close()\uff0c\u56e0\u4e3a\u5df2\u6253\u5f00\u7684\u975e\u6301\u4e45\u8fde\u63a5\u4f1a\u5728\u811a\u672c\u6267\u884c\u5b8c\u6bd5\u540e\u81ea\u52a8\u5173\u95ed\u3002<\/p>\n\u6ce8\u91ca\uff1a<\/strong>mysql_close() \u4e0d\u4f1a\u5173\u95ed\u7531 mysql_pconnect() \u5efa\u7acb\u7684\u6301\u4e45\u8fde\u63a5\u3002<\/p>\n\u5b9e\u4f8b<\/h3>\n
\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u5b9e\u4f8b\u6765\u8fde\u63a5\u5230\u4f60\u7684 MySQL \u670d\u52a1\u5668:<\/p>\n
<html><\/span>\r\n<head><\/span>\r\n<meta<\/span> charset<\/span>=<\/span>\"utf-8\"<\/span>><\/span> \r\n<title><\/span>Connecting MySQL Server<\/span><\/title><\/span>\r\n<\/head><\/span>\r\n<body><\/span>\r\n<?<\/span>php\r\n $dbhost <\/span>=<\/span> 'localhost:3306'<\/span>;<\/span> \/\/mysql\u670d\u52a1\u5668\u4e3b\u673a\u5730\u5740<\/span>\r\n $dbuser <\/span>=<\/span> 'guest'<\/span>;<\/span> \/\/mysql\u7528\u6237\u540d<\/span>\r\n $dbpass <\/span>=<\/span> 'guest123'<\/span>;<\/span>\/\/mysql\u7528\u6237\u540d\u5bc6\u7801<\/span>\r\n $conn <\/span>=<\/span> mysql_connect<\/span>(<\/span>$dbhost<\/span>,<\/span> $dbuser<\/span>,<\/span> $dbpass<\/span>);<\/span>\r\n if<\/span>(!<\/span> $conn <\/span>)<\/span>\r\n {<\/span>\r\n die<\/span>(<\/span>'Could not connect: '<\/span> .<\/span> mysql_error<\/span>());<\/span>\r\n }<\/span>\r\n echo <\/span>'Connected successfully'<\/span>;<\/span>\r\n mysql_close<\/span>(<\/span>$conn<\/span>);<\/span>\r\n?><\/span>\r\n<\/body><\/span>\r\n<\/html>\r\n\r\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/www.runoob.com\/mysql\/mysql-connection.html\r\n<\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528mysql\u4e8c\u8fdb\u5236\u65b9\u5f0f\u8fde\u63a5 \u60a8\u53ef\u4ee5\u4f7f\u7528MySQL\u4e8c\u8fdb\u5236\u65b9\u5f0f\u8fdb\u5165\u5230mysql\u547d\u4ee4\u63d0\u793a\u7b26\u4e0b\u6765\u8fde\u63a5MySQL\u6570\u636e\u5e93 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5,10],"tags":[45],"class_list":["post-1687","post","type-post","status-publish","format-standard","hentry","category-jishu","category-shujuku","tag-mysql"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=1687"}],"version-history":[{"count":2,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1687\/revisions"}],"predecessor-version":[{"id":1689,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1687\/revisions\/1689"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=1687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=1687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=1687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}