{"id":171505,"date":"2024-11-07T03:18:18","date_gmt":"2024-11-06T19:18:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171505\/"},"modified":"2024-11-07T03:18:18","modified_gmt":"2024-11-06T19:18:18","slug":"vb-%e7%a8%8b%e5%ba%8f%e9%81%87%e5%88%b0%e5%95%8f%e9%a1%8c%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%be%e4%b8%8d%e5%88%b0%e5%8c%b9%e9%85%8d%e9%a0%85-vb-%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171505\/","title":{"rendered":"VB \u7a0b\u5e8f\u9047\u5230\u554f\u984c\uff1a\u6578\u64da\u5eab\u4e2d\u627e\u4e0d\u5230\u5339\u914d\u9805 (vb \u5728\u6578\u64da\u5eab\u4e2d\u6c92\u6709\u67e5\u627e\u5230)"},"content":{"rendered":"<h1 id=\"vb-%e7%a8%8b%e5%ba%8f%e9%81%87%e5%88%b0%e5%95%8f%e9%a1%8c%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%be%e4%b8%8d%e5%88%b0%e5%8c%b9%e9%85%8d%e9%a0%85-ALeOGdAodF\">VB \u7a0b\u5e8f\u9047\u5230\u554f\u984c\uff1a\u6578\u64da\u5eab\u4e2d\u627e\u4e0d\u5230\u5339\u914d\u9805<\/h1>\n<p>\u5728\u958b\u767c VB\uff08Visual Basic\uff09\u61c9\u7528\u7a0b\u5e8f\u6642\uff0c\u958b\u767c\u8005\u7d93\u5e38\u6703\u9047\u5230\u5404\u7a2e\u5404\u6a23\u7684\u554f\u984c\uff0c\u5176\u4e2d\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\u662f\u300c\u6578\u64da\u5eab\u4e2d\u627e\u4e0d\u5230\u5339\u914d\u9805\u300d\u3002\u9019\u500b\u554f\u984c\u901a\u5e38\u767c\u751f\u5728\u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u7576\u61c9\u7528\u7a0b\u5e8f\u8a66\u5716\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u7279\u5b9a\u6578\u64da\uff0c\u4f46\u672a\u80fd\u627e\u5230\u7b26\u5408\u689d\u4ef6\u7684\u8a18\u9304\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e00\u554f\u984c\u7684\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e5%95%8f%e9%a1%8c%e7%9a%84%e6%a0%b9%e6%9c%ac%e5%8e%9f%e5%9b%a0-ALeOGdAodF\">\u554f\u984c\u7684\u6839\u672c\u539f\u56e0<\/h2>\n<p>\u7576 VB \u7a0b\u5e8f\u5831\u544a\u300c\u6578\u64da\u5eab\u4e2d\u627e\u4e0d\u5230\u5339\u914d\u9805\u300d\u6642\uff0c\u53ef\u80fd\u6709\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u689d\u4ef6\u4e0d\u6b63\u78ba\uff1a<\/strong>\u5982\u679c\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u689d\u4ef6\u4e0d\u6b63\u78ba\uff0c\u5247\u53ef\u80fd\u7121\u6cd5\u627e\u5230\u4efb\u4f55\u5339\u914d\u7684\u8a18\u9304\u3002\u4f8b\u5982\uff0c\u67e5\u8a62\u4e2d\u7684\u5b57\u6bb5\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\u6216\u4f7f\u7528\u4e86\u932f\u8aa4\u7684\u6578\u64da\u985e\u578b\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u4e2d\u6c92\u6709\u76f8\u61c9\u7684\u6578\u64da\uff1a<\/strong>\u9019\u662f\u6700\u76f4\u63a5\u7684\u539f\u56e0\u3002\u5982\u679c\u6578\u64da\u5eab\u4e2d\u6839\u672c\u4e0d\u5b58\u5728\u7b26\u5408\u67e5\u8a62\u689d\u4ef6\u7684\u6578\u64da\uff0c\u81ea\u7136\u6703\u51fa\u73fe\u6b64\u554f\u984c\u3002<\/li>\n<li><strong>\u9023\u63a5\u554f\u984c\uff1a<\/strong>\u5982\u679c VB \u7a0b\u5e8f\u7121\u6cd5\u6b63\u78ba\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5247\u7121\u6cd5\u57f7\u884c\u67e5\u8a62\uff0c\u5f9e\u800c\u5c0e\u81f4\u627e\u4e0d\u5230\u5339\u914d\u9805\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u7684\u72c0\u614b\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u8655\u65bc\u9396\u5b9a\u72c0\u614b\u6216\u6b63\u5728\u9032\u884c\u7dad\u8b77\uff0c\u5247\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u7684\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-ALeOGdAodF\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u91dd\u5c0d\u4e0a\u8ff0\u554f\u984c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%9f%a5%e8%a9%a2%e6%a2%9d%e4%bb%b6-ALeOGdAodF\">1. \u6aa2\u67e5\u67e5\u8a62\u689d\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5 SQL \u67e5\u8a62\u7684\u689d\u4ef6\u662f\u5426\u6b63\u78ba\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>Dim sqlQuery As String\nsqlQuery = \"SELECT * FROM Users WHERE UserID = @UserID\"\n<\/code><\/pre>\n<p>\u78ba\u4fdd <code>@UserID<\/code> \u7684\u503c\u6b63\u78ba\uff0c\u4e26\u4e14\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5728\u76f8\u61c9\u7684\u8a18\u9304\u3002<\/p>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-ALeOGdAodF\">2. \u9a57\u8b49\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u78ba\u4fdd VB \u7a0b\u5e8f\u80fd\u5920\u6b63\u78ba\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u6e2c\u8a66\u9023\u63a5\uff1a<\/p>\n<pre><code>Dim conn As New SqlConnection(\"Your_Connection_String\")\nTry\n    conn.Open()\n    ' \u9023\u63a5\u6210\u529f\nCatch ex As Exception\n    ' \u8655\u7406\u9023\u63a5\u932f\u8aa4\nFinally\n    conn.Close()\nEnd Try\n<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%85%a7%e5%ae%b9-ALeOGdAodF\">3. \u6aa2\u67e5\u6578\u64da\u5eab\u5167\u5bb9<\/h3>\n<p>\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982 SQL Server Management Studio\uff09\u76f4\u63a5\u67e5\u8a62\u6578\u64da\u5eab\uff0c\u78ba\u8a8d\u662f\u5426\u5b58\u5728\u7b26\u5408\u689d\u4ef6\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"4-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-ALeOGdAodF\">4. \u932f\u8aa4\u8655\u7406<\/h3>\n<p>\u5728 VB \u7a0b\u5e8f\u4e2d\u5be6\u65bd\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\uff0c\u4ee5\u4fbf\u5728\u67e5\u8a62\u5931\u6557\u6642\u63d0\u4f9b\u6709\u7528\u7684\u932f\u8aa4\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>Try\n    ' \u57f7\u884c\u67e5\u8a62\nCatch ex As SqlException\n    MessageBox.Show(\"\u67e5\u8a62\u5931\u6557\uff1a\" &amp; ex.Message)\nEnd Try\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-ALeOGdAodF\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u300c\u6578\u64da\u5eab\u4e2d\u627e\u4e0d\u5230\u5339\u914d\u9805\u300d\u7684\u554f\u984c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u59cb\u7d42\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\uff0c\u4ee5\u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca\u4e26\u63d0\u9ad8\u67e5\u8a62\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u7dad\u8b77\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u4f7f\u7528\u55ae\u5143\u6e2c\u8a66\u4f86\u9a57\u8b49\u67e5\u8a62\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<li>\u4fdd\u6301\u826f\u597d\u7684\u6587\u6a94\uff0c\u8a18\u9304\u6578\u64da\u5eab\u7d50\u69cb\u548c\u67e5\u8a62\u908f\u8f2f\uff0c\u4ee5\u4fbf\u65bc\u65e5\u5f8c\u7684\u7dad\u8b77\u548c\u8abf\u8a66\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ALeOGdAodF\">\u7e3d\u7d50<\/h2>\n<p>\u5728 VB \u7a0b\u5e8f\u4e2d\u9047\u5230\u300c\u6578\u64da\u5eab\u4e2d\u627e\u4e0d\u5230\u5339\u914d\u9805\u300d\u7684\u554f\u984c\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u4ed4\u7d30\u6aa2\u67e5\u67e5\u8a62\u689d\u4ef6\u3001\u6578\u64da\u5eab\u9023\u63a5\u548c\u6578\u64da\u5167\u5bb9\u3002\u901a\u904e\u5be6\u65bd\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\u548c\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u6b64\u985e\u554f\u984c\u7684\u767c\u751f\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u652f\u6301\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u9ad8\u6548\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>VB\u7a0b\u5e8f\u9047\u5230\u554f\u984c\uff1a\u6578\u64da\u5eab\u4e2d\u627e\u4e0d\u5230\u5339\u914d\u9805\uff0c\u89e3\u6c7a\u65b9\u6848\u548c\u6392\u67e5\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u5feb\u901f\u5b9a\u4f4d\u548c\u4fee\u5fa9\u932f\u8aa4\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-171505","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171505","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=171505"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171505\/revisions"}],"predecessor-version":[{"id":171506,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171505\/revisions\/171506"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}