{"id":93926,"date":"2024-10-19T18:04:18","date_gmt":"2024-10-19T10:04:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93926\/"},"modified":"2024-10-19T18:04:19","modified_gmt":"2024-10-19T10:04:19","slug":"oracle-forms%e4%b8%ad%e5%a4%9a%e7%94%a8%e9%80%94%e4%bb%a3%e7%a2%bc%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93926\/","title":{"rendered":"Oracle Forms\u4e2d\u591a\u7528\u9014\u4ee3\u78bc\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<h1 id=\"oracle-forms%e4%b8%ad%e5%a4%9a%e7%94%a8%e9%80%94%e4%bb%a3%e7%a2%bc%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f-JnVVszrubS\">Oracle Forms\u4e2d\u591a\u7528\u9014\u4ee3\u78bc\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>Oracle Forms\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u958b\u767c\u5de5\u5177\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u7528\u65bc\u5275\u5efa\u7528\u6236\u754c\u9762\u7684\u74b0\u5883\uff0c\u4e26\u4e14\u80fd\u5920\u8207Oracle\u6578\u64da\u5eab\u9032\u884c\u7121\u7e2b\u96c6\u6210\u3002\u5728Oracle Forms\u4e2d\uff0c\u591a\u7528\u9014\u4ee3\u78bc\uff08Reusable Code\uff09\u662f\u6307\u53ef\u4ee5\u5728\u591a\u500b\u5730\u65b9\u91cd\u8907\u4f7f\u7528\u7684\u4ee3\u78bc\u7247\u6bb5\uff0c\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u6e1b\u5c11\u932f\u8aa4\u7684\u767c\u751f\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle Forms\u4e2d\u591a\u7528\u9014\u4ee3\u78bc\u7684\u5e7e\u7a2e\u4e3b\u8981\u5f62\u5f0f\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"1-%e8%a7%b8%e7%99%bc%e5%99%a8%ef%bc%88triggers%ef%bc%89-JnVVszrubS\">1. \u89f8\u767c\u5668\uff08Triggers\uff09<\/h2>\n<p>\u89f8\u767c\u5668\u662fOracle Forms\u4e2d\u6700\u5e38\u898b\u7684\u591a\u7528\u9014\u4ee3\u78bc\u5f62\u5f0f\u4e4b\u4e00\u3002\u5b83\u5011\u662f\u8207\u7279\u5b9a\u4e8b\u4ef6\u76f8\u95dc\u806f\u7684\u4ee3\u78bc\u584a\uff0c\u4f8b\u5982\u6309\u9215\u9ede\u64ca\u3001\u8868\u55ae\u52a0\u8f09\u6216\u6578\u64da\u66f4\u6539\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5275\u5efa\u81ea\u5b9a\u7fa9\u89f8\u767c\u5668\u4f86\u57f7\u884c\u7279\u5b9a\u7684\u696d\u52d9\u908f\u8f2f\u3002<\/p>\n<pre><code>BEGIN\n    -- \u81ea\u5b9a\u7fa9\u696d\u52d9\u908f\u8f2f\n    IF :block_name.field_name IS NULL THEN\n        MESSAGE('\u8a72\u5b57\u6bb5\u4e0d\u80fd\u70ba\u7a7a');\n        RAISE FORM_TRIGGER_FAILURE;\n    END IF;\nEND;<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u78bc\u793a\u4f8b\u5c55\u793a\u4e86\u4e00\u500b\u5728\u5b57\u6bb5\u70ba\u7a7a\u6642\u986f\u793a\u6d88\u606f\u7684\u89f8\u767c\u5668\u3002\u9019\u7a2e\u4ee3\u78bc\u53ef\u4ee5\u5728\u591a\u500b\u8868\u55ae\u4e2d\u91cd\u8907\u4f7f\u7528\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<h2 id=\"2-%e5%87%bd%e6%95%b8%ef%bc%88functions%ef%bc%89-JnVVszrubS\">2. \u51fd\u6578\uff08Functions\uff09<\/h2>\n<p>\u51fd\u6578\u662f\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u591a\u7528\u9014\u4ee3\u78bc\u5f62\u5f0f\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5275\u5efa\u81ea\u5b9a\u7fa9\u51fd\u6578\u4f86\u57f7\u884c\u7279\u5b9a\u7684\u8a08\u7b97\u6216\u6578\u64da\u8655\u7406\uff0c\u4e26\u5728\u4e0d\u540c\u7684\u89f8\u767c\u5668\u6216\u7a0b\u5e8f\u55ae\u5143\u4e2d\u8abf\u7528\u9019\u4e9b\u51fd\u6578\u3002<\/p>\n<pre><code>FUNCTION calculate_discount(price NUMBER) RETURN NUMBER IS\nBEGIN\n    RETURN price * 0.1; -- \u8fd4\u56de10%\u7684\u6298\u6263\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6578`calculate_discount`\u53ef\u4ee5\u5728\u591a\u500b\u5730\u65b9\u88ab\u8abf\u7528\uff0c\u5f9e\u800c\u907f\u514d\u91cd\u8907\u7de8\u5beb\u76f8\u540c\u7684\u8a08\u7b97\u908f\u8f2f\u3002<\/p>\n<h2 id=\"3-%e7%a8%8b%e5%ba%8f%ef%bc%88procedures%ef%bc%89-JnVVszrubS\">3. \u7a0b\u5e8f\uff08Procedures\uff09<\/h2>\n<p>\u7a0b\u5e8f\u662f\u53e6\u4e00\u7a2e\u53ef\u91cd\u7528\u7684\u4ee3\u78bc\u584a\uff0c\u901a\u5e38\u7528\u65bc\u57f7\u884c\u4e00\u7cfb\u5217\u64cd\u4f5c\u3002\u8207\u51fd\u6578\u4e0d\u540c\uff0c\u7a0b\u5e8f\u4e0d\u8fd4\u56de\u503c\uff0c\u4f46\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\u4e26\u57f7\u884c\u8907\u96dc\u7684\u908f\u8f2f\u3002<\/p>\n<pre><code>PROCEDURE update_inventory(item_id NUMBER, quantity NUMBER) IS\nBEGIN\n    UPDATE inventory_table\n    SET quantity = quantity - quantity\n    WHERE id = item_id;\nEND;<\/code><\/pre>\n<p>\u9019\u500b`update_inventory`\u7a0b\u5e8f\u53ef\u4ee5\u5728\u591a\u500b\u8868\u55ae\u4e2d\u88ab\u8abf\u7528\uff0c\u4ee5\u66f4\u65b0\u5eab\u5b58\u6578\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u91cd\u7528\u6027\u3002<\/p>\n<h2 id=\"4-%e5%8c%85%ef%bc%88packages%ef%bc%89-JnVVszrubS\">4. \u5305\uff08Packages\uff09<\/h2>\n<p>\u5305\u662f\u4e00\u7d44\u76f8\u95dc\u7684\u7a0b\u5e8f\u548c\u51fd\u6578\u7684\u96c6\u5408\uff0c\u9019\u4f7f\u5f97\u4ee3\u78bc\u7684\u7d44\u7e54\u548c\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5c07\u76f8\u95dc\u7684\u696d\u52d9\u908f\u8f2f\u5c01\u88dd\u5728\u4e00\u500b\u5305\u4e2d\uff0c\u4e26\u5728\u9700\u8981\u6642\u8abf\u7528\u3002<\/p>\n<pre><code>PACKAGE inventory_management IS\n    PROCEDURE update_inventory(item_id NUMBER, quantity NUMBER);\n    FUNCTION calculate_discount(price NUMBER) RETURN NUMBER;\nEND inventory_management;<\/code><\/pre>\n<p>\u4f7f\u7528\u5305\u7684\u597d\u8655\u5728\u65bc\u53ef\u4ee5\u5c07\u76f8\u95dc\u7684\u908f\u8f2f\u96c6\u4e2d\u5728\u4e00\u8d77\uff0c\u4e26\u4e14\u53ef\u4ee5\u901a\u904e\u5305\u540d\u4f86\u8abf\u7528\u5176\u4e2d\u7684\u7a0b\u5e8f\u548c\u51fd\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<h2 id=\"5-%e5%85%b1%e4%ba%ab%e5%ba%ab%ef%bc%88libraries%ef%bc%89-JnVVszrubS\">5. \u5171\u4eab\u5eab\uff08Libraries\uff09<\/h2>\n<p>\u5171\u4eab\u5eab\u662f\u4e00\u7a2e\u5916\u90e8\u4ee3\u78bc\u5eab\uff0c\u53ef\u4ee5\u5728\u591a\u500bOracle Forms\u61c9\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5c07\u5e38\u7528\u7684\u4ee3\u78bc\u7247\u6bb5\u653e\u5165\u5171\u4eab\u5eab\u4e2d\uff0c\u7136\u5f8c\u5728\u4e0d\u540c\u7684\u8868\u55ae\u4e2d\u5f15\u7528\u9019\u4e9b\u5eab\u3002<\/p>\n<pre><code>-- \u5728\u8868\u55ae\u4e2d\u5f15\u7528\u5171\u4eab\u5eab\nSET_LIBRARY('my_shared_library');<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u505a\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u91cd\u7528\u6027\uff0c\u9084\u80fd\u6e1b\u5c11\u7dad\u8b77\u7684\u5de5\u4f5c\u91cf\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JnVVszrubS\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle Forms\u4e2d\uff0c\u591a\u7528\u9014\u4ee3\u78bc\u7684\u4f7f\u7528\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u6e1b\u5c11\u932f\u8aa4\u7684\u767c\u751f\u3002\u901a\u904e\u4f7f\u7528\u89f8\u767c\u5668\u3001\u51fd\u6578\u3001\u7a0b\u5e8f\u3001\u5305\u548c\u5171\u4eab\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5275\u5efa\u53ef\u91cd\u7528\u7684\u4ee3\u78bc\uff0c\u5f9e\u800c\u4f7f\u61c9\u7528\u7a0b\u5e8f\u7684\u7dad\u8b77\u548c\u64f4\u5c55\u8b8a\u5f97\u66f4\u52a0\u5bb9\u6613\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u904b\u884c\u7684\u4f01\u696d\u7d1a\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9019\u4e9b\u6280\u8853\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684Oracle Forms\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Oracle Forms\u4e2d\u7684\u591a\u7528\u9014\u4ee3\u7801\uff0c\u4e86\u89e3\u5176\u529f\u80fd\u3001\u5e94\u7528\u573a\u666f\u53ca\u6700\u4f73\u5b9e\u8df5\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387\u4e0e\u7cfb\u7edf\u7075\u6d3b\u6027\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-93926","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93926","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=93926"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93926\/revisions"}],"predecessor-version":[{"id":93927,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93926\/revisions\/93927"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}