{"id":4714,"date":"2013-03-04T09:32:34","date_gmt":"2013-03-04T01:32:34","guid":{"rendered":"http:\/\/jpuyy.com\/?p=4714"},"modified":"2016-09-30T10:59:23","modified_gmt":"2016-09-30T02:59:23","slug":"ruby-connect-with-mysql","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=4714","title":{"rendered":"ruby\u8fde\u63a5mysql\u6570\u636e\u5e93"},"content":{"rendered":"<p>\u4ee5\u4e0b\u64cd\u4f5c\u5728ubuntu\u4e0b\u8fdb\u884c<\/p>\n<p>\u524d\u63d0\u8981\u5b89\u88c5\u597druby-mysql<\/p>\n<pre>gem install ruby-mysql<\/pre>\n<pre>require 'rubygems'\r\nrequire 'mysql'\r\nbegin\r\n  db = Mysql.new('localhost', 'username', 'password', 'password')\r\n  puts \"connected\"\r\nrescue Mysql::Error\r\n  puts \"Oh noes! We could not connect to your database. -_-;;\"\r\n  exit 1\r\nend\r\n\r\nbegin\r\n  results = db.query \"select * from blog.wp_users;\"\r\n  puts \"blog has #{results.num_rows} users.\"\r\n  puts results.class\r\n  results.each do |row|\r\n    puts row.join(\" |  \")\r\n  end\r\n  results.free\r\nensure\r\n  db.close\r\nend<\/pre>\n<p>\u7ed3\u679c\u5c06\u6253\u5370\u51fawp_users\u8fd9\u5f20\u8868\u4e2d\u7684\u5185\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u64cd\u4f5c\u5728ubuntu\u4e0b\u8fdb\u884c \u524d\u63d0\u8981\u5b89\u88c5\u597druby-mysql gem install ruby-mysql require &#8216;rubygems&#8217; require &#8216;mysql&#8217; begin db = Mysql.new(&#8216;localhost&#8217;, &#8216;username&#8217;, &#8216;password&#8217;, &#8216;password&#8217;) puts &#8220;connected&#8221; rescue Mysql::Error puts &#8220;Oh noes! We could not connect to your database. -_-;;&#8221; exit 1 end begin results = db.query &#8220;select * from blog.wp_users;&#8221; puts &#8220;blog has #{results.num_rows} users.&#8221; puts results.class results.each do |row| puts row.join(&#8221; | [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64],"tags":[23],"class_list":["post-4714","post","type-post","status-publish","format-standard","hentry","category-web","tag-summary"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/4714","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4714"}],"version-history":[{"count":2,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/4714\/revisions"}],"predecessor-version":[{"id":4717,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/4714\/revisions\/4717"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}