{"id":152069,"date":"2024-11-01T19:51:20","date_gmt":"2024-11-01T11:51:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152069\/"},"modified":"2024-11-01T19:51:21","modified_gmt":"2024-11-01T11:51:21","slug":"%e5%bf%85%e5%ad%b8%e6%8a%80%e8%83%bd%ef%bc%9apb%e4%b8%ad%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e9%8d%b5%e5%87%bd%e6%95%b8-pb%e4%b8%ad%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152069\/","title":{"rendered":"\u5fc5\u5b78\u6280\u80fd\uff1apb\u4e2d\u67e5\u8a62\u6578\u64da\u5eab\u4e3b\u9375\u51fd\u6578 (pb\u4e2d\u67e5\u8a62\u6578\u64da\u5eab\u4e3b\u9375\u7684\u51fd\u6578)"},"content":{"rendered":"<h1 id=\"%e5%bf%85%e5%ad%b8%e6%8a%80%e8%83%bd%ef%bc%9apb%e4%b8%ad%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e9%8d%b5%e5%87%bd%e6%95%b8-safjFMbYmg\">\u5fc5\u5b78\u6280\u80fd\uff1apb\u4e2d\u67e5\u8a62\u6578\u64da\u5eab\u4e3b\u9375\u51fd\u6578<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u67e5\u8a62\u6210\u70ba\u4e86\u8a31\u591a\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u5fc5\u5099\u7684\u6280\u80fd\u4e4b\u4e00\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528 PowerBuilder\uff08\u7c21\u7a31 pb\uff09\u9032\u884c\u61c9\u7528\u958b\u767c\u6642\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u8a62\u6578\u64da\u5eab\u7684\u4e3b\u9375\u51fd\u6578\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e pb \u4e2d\u67e5\u8a62\u6578\u64da\u5eab\u4e3b\u9375\u7684\u51fd\u6578\uff0c\u5e6b\u52a9\u8b80\u8005\u638c\u63e1\u9019\u4e00\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%b8%bb%e9%8d%b5%ef%bc%9f-safjFMbYmg\">\u4ec0\u9ebc\u662f\u4e3b\u9375\uff1f<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4e3b\u9375\u662f\u4e00\u500b\u6216\u591a\u500b\u5b57\u6bb5\u7684\u7d44\u5408\uff0c\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u6578\u64da\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u3002\u4e3b\u9375\u7684\u4e3b\u8981\u7279\u9ede\u662f\u552f\u4e00\u6027\u548c\u975e\u7a7a\u6027\uff0c\u9019\u610f\u5473\u8457\u6bcf\u500b\u4e3b\u9375\u503c\u90fd\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u4e14\u4e0d\u80fd\u70ba\u7a7a\u3002\u4e3b\u9375\u7684\u8a2d\u7f6e\u5c0d\u65bc\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u6548\u7387\u6709\u8457\u91cd\u8981\u5f71\u97ff\u3002<\/p>\n<h2 id=\"powerbuilder-%e4%b8%ad%e7%9a%84%e4%b8%bb%e9%8d%b5%e6%9f%a5%e8%a9%a2%e5%87%bd%e6%95%b8-safjFMbYmg\">PowerBuilder \u4e2d\u7684\u4e3b\u9375\u67e5\u8a62\u51fd\u6578<\/h2>\n<p>\u5728 PowerBuilder \u4e2d\uff0c\u67e5\u8a62\u6578\u64da\u5eab\u4e3b\u9375\u7684\u51fd\u6578\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u500b\uff1a<\/p>\n<ul>\n<li><code>GetPrimaryKey<\/code><\/li>\n<li><code>GetColumnName<\/code><\/li>\n<li><code>GetTableName<\/code><\/li>\n<\/ul>\n<h3 id=\"1-getprimarykey-safjFMbYmg\">1. GetPrimaryKey<\/h3>\n<p><code>GetPrimaryKey<\/code> \u51fd\u6578\u7528\u65bc\u7372\u53d6\u6307\u5b9a\u6578\u64da\u8868\u7684\u4e3b\u9375\u540d\u7a31\u3002\u9019\u500b\u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>string GetPrimaryKey(string tableName)<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u67e5\u8a62\u540d\u70ba &#8220;employees&#8221; \u7684\u8868\u7684\u4e3b\u9375\uff0c\u53ef\u4ee5\u9019\u6a23\u4f7f\u7528\uff1a<\/p>\n<pre><code>string primaryKeyName\nprimaryKeyName = GetPrimaryKey(\"employees\")<\/code><\/pre>\n<h3 id=\"2-getcolumnname-safjFMbYmg\">2. GetColumnName<\/h3>\n<p><code>GetColumnName<\/code> \u51fd\u6578\u5247\u7528\u65bc\u7372\u53d6\u6307\u5b9a\u8868\u4e2d\u67d0\u4e00\u5217\u7684\u540d\u7a31\u3002\u9019\u5728\u67e5\u8a62\u4e3b\u9375\u6642\u4e5f\u975e\u5e38\u6709\u7528\uff0c\u56e0\u70ba\u6211\u5011\u53ef\u4ee5\u901a\u904e\u4e3b\u9375\u7684\u5217\u540d\u4f86\u9032\u884c\u9032\u4e00\u6b65\u7684\u67e5\u8a62\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>string GetColumnName(string tableName, int columnIndex)<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u7372\u53d6 &#8220;employees&#8221; \u8868\u4e2d\u7b2c\u4e00\u5217\u7684\u540d\u7a31\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>string columnName\ncolumnName = GetColumnName(\"employees\", 1)<\/code><\/pre>\n<h3 id=\"3-gettablename-safjFMbYmg\">3. GetTableName<\/h3>\n<p>\u6700\u5f8c\uff0c<code>GetTableName<\/code> \u51fd\u6578\u7528\u65bc\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u7684\u8868\u540d\u3002\u9019\u5c0d\u65bc\u52d5\u614b\u67e5\u8a62\u4e3b\u9375\u975e\u5e38\u6709\u5e6b\u52a9\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>string GetTableName(int tableIndex)<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u7372\u53d6\u7b2c\u4e00\u500b\u8868\u7684\u540d\u7a31\uff0c\u53ef\u4ee5\u9019\u6a23\u4f7f\u7528\uff1a<\/p>\n<pre><code>string tableName\ntableName = GetTableName(1)<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e4%b8%bb%e9%8d%b5%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-safjFMbYmg\">\u67e5\u8a62\u4e3b\u9375\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u67e5\u8a62\u4e3b\u9375\u7684\u529f\u80fd\u53ef\u4ee5\u7528\u65bc\u6578\u64da\u7684\u9a57\u8b49\u548c\u5b8c\u6574\u6027\u6aa2\u67e5\u3002\u4f8b\u5982\uff0c\u5728\u63d2\u5165\u65b0\u6578\u64da\u4e4b\u524d\uff0c\u53ef\u4ee5\u5148\u6aa2\u67e5\u8a72\u6578\u64da\u662f\u5426\u5df2\u5b58\u5728\u65bc\u6578\u64da\u5eab\u4e2d\uff0c\u5f9e\u800c\u907f\u514d\u91cd\u8907\u63d2\u5165\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>if (IsNull(GetPrimaryKey(\"employees\"))) then\n    \/\/ \u57f7\u884c\u63d2\u5165\u64cd\u4f5c\nelse\n    \/\/ \u63d0\u793a\u6578\u64da\u5df2\u5b58\u5728\nend if<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-safjFMbYmg\">\u7e3d\u7d50<\/h2>\n<p>\u638c\u63e1 PowerBuilder \u4e2d\u67e5\u8a62\u6578\u64da\u5eab\u4e3b\u9375\u7684\u51fd\u6578\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\u662f\u975e\u5e38\u91cd\u8981\u7684\u6280\u80fd\u3002\u901a\u904e\u4f7f\u7528 <code>GetPrimaryKey<\/code>\u3001<code>GetColumnName<\/code> \u548c <code>GetTableName<\/code> \u7b49\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1PB\u4e2d\u67e5\u8a62\u6578\u64da\u5eab\u4e3b\u9375\u7684\u51fd\u6578\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u6e96\u78ba\u6027\uff0c\u5fc5\u5b78\u6280\u80fd\uff01<\/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-152069","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152069","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=152069"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152069\/revisions"}],"predecessor-version":[{"id":152070,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152069\/revisions\/152070"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}