{"id":15390,"date":"2023-12-04T19:51:06","date_gmt":"2023-12-04T11:51:06","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15390"},"modified":"2023-12-04T19:52:26","modified_gmt":"2023-12-04T11:52:26","slug":"oracle-zhong-cun-chu-guo-cheng-ta-pao-chu-yi-chang","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-cun-chu-guo-cheng-ta-pao-chu-yi-chang\/","title":{"rendered":"Oracle \u4e2d\u5b58\u50a8\u8fc7\u7a0b\u5b83\u629b\u51fa\u5f02\u5e38\uff0c\u4f60\u662f\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p>\u5728 Oracle \u5b58\u50a8\u8fc7\u7a0b\u4e2d\uff0c\u5904\u7406\u5f02\u5e38\u901a\u5e38\u91c7\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n<ol>\n<li><strong>\u4f7f\u7528 EXCEPTION \u5757\uff1a<\/strong> \u5728\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u4f7f\u7528 EXCEPTION \u5757\u6355\u83b7\u5f02\u5e38\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u6216\u8bb0\u5f55\u3002\n<pre><code class=\"language-sql  line-numbers\">DECLARE\n  -- \u58f0\u660e\u5f02\u5e38\u53d8\u91cf\n  custom_exception EXCEPTION;\n  PRAGMA EXCEPTION_INIT(custom_exception, -20001); -- \u521d\u59cb\u5316\u5f02\u5e38\u4ee3\u7801\n\nBEGIN\n  -- \u4e1a\u52a1\u903b\u8f91\u4ee3\u7801\n  IF condition THEN\n    -- \u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38\n    RAISE custom_exception;\n  END IF;\n\nEXCEPTION\n  WHEN custom_exception THEN\n    -- \u5904\u7406\u81ea\u5b9a\u4e49\u5f02\u5e38\n    DBMS_OUTPUT.PUT_LINE('Custom exception handled.');\n\n  WHEN OTHERS THEN\n    -- \u5176\u4ed6\u5f02\u5e38\u5904\u7406\n    DBMS_OUTPUT.PUT_LINE('Other exception handled: ' || SQLERRM);\nEND;\n<\/code><\/pre>\n<\/li>\n<li><strong>\u4f7f\u7528 RAISE \u51fd\u6570\u629b\u51fa\u5f02\u5e38\uff1a<\/strong> \u53ef\u4ee5\u4f7f\u7528 <code>RAISE<\/code> \u51fd\u6570\u629b\u51fa\u81ea\u5b9a\u4e49\u5f02\u5e38\uff0c\u7136\u540e\u5728 EXCEPTION \u5757\u4e2d\u6355\u83b7\u5e76\u5904\u7406\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8bb0\u5f55\u5f02\u5e38\u4fe1\u606f\uff1a<\/strong> \u53ef\u4ee5\u4f7f\u7528 <code>DBMS_OUTPUT.PUT_LINE<\/code> \u51fd\u6570\u6216 <code>RAISE_APPLICATION_ERROR<\/code> \u51fd\u6570\u8bb0\u5f55\u5f02\u5e38\u4fe1\u606f\uff0c\u4ee5\u4fbf\u8fdb\u884c\u8c03\u8bd5\u6216\u65e5\u5fd7\u8bb0\u5f55\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\uff1a<\/strong> \u5728\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u5b9a\u4e49\u5f02\u5e38\u5904\u7406\u7a0b\u5e8f\uff0c\u6839\u636e\u4e0d\u540c\u7684\u5f02\u5e38\u7c7b\u578b\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\uff0c\u786e\u4fdd\u5f02\u5e38\u4e0d\u4f1a\u4e2d\u65ad\u6574\u4e2a\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5904\u7406\u5f02\u5e38\u662f\u786e\u4fdd\u5b58\u50a8\u8fc7\u7a0b\u5065\u58ee\u6027\u548c\u7a33\u5b9a\u6027\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u901a\u8fc7\u5408\u9002\u7684\u5f02\u5e38\u5904\u7406\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u7a0b\u5e8f\u5728\u5f02\u5e38\u60c5\u51b5\u4e0b\u7684\u5408\u7406\u884c\u4e3a\uff0c\u907f\u514d\u5f02\u5e38\u5bfc\u81f4\u7684\u7cfb\u7edf\u5d29\u6e83\u6216\u4e0d\u53ef\u9884\u6d4b\u7684\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Oracle \u5b58\u50a8\u8fc7\u7a0b\u4e2d\uff0c\u5904\u7406\u5f02\u5e38\u901a\u5e38\u91c7\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a \u4f7f\u7528 EXCEPTION \u5757\uff1a \u5728\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u4f7f\u7528 E [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15390","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15390"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15390\/revisions"}],"predecessor-version":[{"id":15391,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15390\/revisions\/15391"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15390"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}