{"id":171933,"date":"2024-11-07T08:53:17","date_gmt":"2024-11-07T00:53:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171933\/"},"modified":"2024-11-07T08:53:18","modified_gmt":"2024-11-07T00:53:18","slug":"vb-%e9%80%9a%e9%81%8e%e6%95%b8%e6%93%9a%e5%ba%ab%e8%bb%9f%e4%bb%b6%e5%af%a6%e7%8f%be%e5%8a%9f%e8%83%bd-vb-%e6%95%b8%e6%93%9a%e5%ba%ab-%e8%bb%9f%e4%bb%b6-%e5%af%a6%e7%8f%be-%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171933\/","title":{"rendered":"VB \u901a\u904e\u6578\u64da\u5eab\u8edf\u4ef6\u5be6\u73fe\u529f\u80fd (vb \u6578\u64da\u5eab \u8edf\u4ef6 \u5be6\u73fe \u529f\u80fd)"},"content":{"rendered":"

VB \u901a\u904e\u6578\u64da\u5eab\u8edf\u4ef6\u5be6\u73fe\u529f\u80fd<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u5728\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002Visual Basic\uff08VB\uff09\u4f5c\u70ba\u4e00\u7a2e\u5f37\u5927\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u80fd\u5920\u901a\u904e\u6578\u64da\u5eab\u8edf\u4ef6\u5be6\u73fe\u591a\u7a2e\u529f\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 VB \u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u4e26\u5be6\u73fe\u5404\u7a2e\u529f\u80fd\u3002<\/p>\n

\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u5b58\u5132\u5728\u8a08\u7b97\u6a5f\u7cfb\u7d71\u4e2d\u3002\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u5247\u662f\u7528\u4f86\u5275\u5efa\u3001\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u8edf\u4ef6\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ec Microsoft SQL Server\u3001MySQL \u548c Oracle \u7b49\u3002VB \u53ef\u4ee5\u901a\u904e ADO\uff08ActiveX Data Objects\uff09\u6216 OLE DB \u4f86\u9023\u63a5\u548c\u64cd\u4f5c\u9019\u4e9b\u6578\u64da\u5eab\u3002<\/p>\n

VB \u8207\u6578\u64da\u5eab\u7684\u9023\u63a5<\/h2>\n

\u5728 VB \u4e2d\uff0c\u9023\u63a5\u6578\u64da\u5eab\u7684\u7b2c\u4e00\u6b65\u662f\u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u4e32\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 ADO \u9023\u63a5\u5230 SQL Server \u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n

Dim conn As ADODB.Connection\nSet conn = New ADODB.Connection\nconn.ConnectionString = \"Provider=SQLOLEDB;Data Source=\u4f60\u7684\u4f3a\u670d\u5668;Initial Catalog=\u4f60\u7684\u6578\u64da\u5eab;User ID=\u4f60\u7684\u7528\u6236\u540d;Password=\u4f60\u7684\u5bc6\u78bc;\"\nconn.Open<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b ADODB.Connection \u5c0d\u8c61\uff0c\u4e26\u8a2d\u7f6e\u4e86\u9023\u63a5\u5b57\u7b26\u4e32\u4ee5\u9023\u63a5\u5230 SQL Server \u6578\u64da\u5eab\u3002\u78ba\u4fdd\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u66ff\u63db\u76f8\u61c9\u7684\u53c3\u6578\u3002<\/p>\n
\u57f7\u884c SQL \u67e5\u8a62<\/h2>\n
\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u57f7\u884c SQL \u67e5\u8a62\u4f86\u7372\u53d6\u6216\u4fee\u6539\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
Dim rs As ADODB.Recordset\nSet rs = New ADODB.Recordset\nrs.Open \"SELECT * FROM \u4f60\u7684\u8868\u540d\", conn<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u5f9e\u6307\u5b9a\u7684\u8868\u4e2d\u9078\u64c7\u6240\u6709\u8a18\u9304\uff0c\u4e26\u5c07\u7d50\u679c\u5b58\u5132\u5728 Recordset \u5c0d\u8c61\u4e2d\u3002\u53ef\u4ee5\u901a\u904e\u8ff4\u5708\u4f86\u904d\u6b77\u9019\u4e9b\u8a18\u9304\uff1a<\/p>\n
Do While Not rs.EOF\n    Debug.Print rs.Fields(\"\u5b57\u6bb5\u540d\").Value\n    rs.MoveNext\nLoop<\/code><\/pre>\n
\u6578\u64da\u7684\u63d2\u5165\u548c\u66f4\u65b0<\/h2>\n
\u9664\u4e86\u67e5\u8a62\u6578\u64da\uff0cVB \u4e5f\u53ef\u4ee5\u7528\u4f86\u63d2\u5165\u548c\u66f4\u65b0\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
Dim sql As String\nsql = \"INSERT INTO \u4f60\u7684\u8868\u540d (\u5b57\u6bb51, \u5b57\u6bb52) VALUES ('\u503c1', '\u503c2')\"\nconn.Execute sql<\/code><\/pre>\n
\u800c\u66f4\u65b0\u6578\u64da\u7684\u8a9e\u6cd5\u5247\u5982\u4e0b\uff1a<\/p>\n
sql = \"UPDATE \u4f60\u7684\u8868\u540d SET \u5b57\u6bb51='\u65b0\u503c' WHERE \u689d\u4ef6\"\nconn.Execute sql<\/code><\/pre>\n
\u932f\u8aa4\u8655\u7406<\/h2>\n
\u5728\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u904e\u7a0b\u4e2d\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 VB \u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u4f86\u6355\u7372\u548c\u8655\u7406\u6f5b\u5728\u7684\u932f\u8aa4\uff1a<\/p>\n
On Error GoTo ErrorHandler\n' \u4f60\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u4ee3\u78bc\nExit Sub\n\nErrorHandler:\n    MsgBox \"\u767c\u751f\u932f\u8aa4: \" & Err.Description<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4f7f\u7528 VB \u8207\u6578\u64da\u5eab\u8edf\u4ef6\u7684\u7d50\u5408\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u5f37\u5927\u7684\u529f\u80fd\uff0c\u5305\u62ec\u6578\u64da\u7684\u67e5\u8a62\u3001\u63d2\u5165\u548c\u66f4\u65b0\u7b49\u64cd\u4f5c\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u61c9\u7528\u7a0b\u5e8f\u7684\u9748\u6d3b\u6027\uff0c\u9084\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u548c\u7de8\u7a0b\u8a9e\u8a00\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\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":"
\u63a2\u7d22\u5982\u4f55\u901a\u904eVB\u6578\u64da\u5eab\u8edf\u4ef6\u5be6\u73fe\u5404\u7a2e\u529f\u80fd\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\uff0c\u52a9\u529b\u696d\u52d9\u589e\u9577\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-171933","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171933","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=171933"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171933\/revisions"}],"predecessor-version":[{"id":171934,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171933\/revisions\/171934"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}