{"id":84857,"date":"2026-07-26T18:42:49","date_gmt":"2026-07-26T10:42:49","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/84857.html"},"modified":"2026-07-26T18:42:49","modified_gmt":"2026-07-26T10:42:49","slug":"mysql-%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%e8%af%a6%e8%a7%a3%ef%bc%9a%e6%a6%82%e5%bf%b5%e3%80%81%e5%88%9b%e5%bb%ba%e4%b8%8e%e5%88%a0%e9%99%a4%e5%85%a8%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/84857.html","title":{"rendered":"MySQL \u5b58\u50a8\u8fc7\u7a0b\u8be6\u89e3\uff1a\u6982\u5ff5\u3001\u521b\u5efa\u4e0e\u5220\u9664\u5168\u6559\u7a0b"},"content":{"rendered":"<h4 id=\"catalog\">&#x1f4d1; \u76ee\u5f55<\/h4>\n<ul>\n<li>1 \u4ec0\u4e48\u662fMySQL\u5b58\u50a8\u8fc7\u7a0b\n<ul>\n<li>1.1 \u5b58\u50a8\u8fc7\u7a0b\u6838\u5fc3\u5b9a\u4e49<\/li>\n<li>1.2 \u5b58\u50a8\u8fc7\u7a0b\u4f18\u7f3a\u70b9<\/li>\n<li>1.3 \u9002\u7528\u4e1a\u52a1\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<li>2 \u5b58\u50a8\u8fc7\u7a0b\u7684\u521b\u5efa\u8bed\u6cd5\u5b9e\u64cd\n<ul>\n<li>2.1 \u65e0\u53c2\u5b58\u50a8\u8fc7\u7a0b\u521b\u5efa<\/li>\n<li>2.2 \u5e26\u5165\u53c2\u5b58\u50a8\u8fc7\u7a0b\u521b\u5efa<\/li>\n<li>2.3 \u5b58\u50a8\u8fc7\u7a0b\u8c03\u7528\u65b9\u5f0f<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4 id=\"section1\">1. \u4ec0\u4e48\u662fMySQL\u5b58\u50a8\u8fc7\u7a0b] <\/h4>\n<p>\u2003\u5b58\u50a8\u8fc7\u7a0b:\u4e00\u7ec4\u5b8c\u6210\u7279\u5b9a\u529f\u80fd\u7684\u8bed\u53e5\u96c6,\u7ecf\u8fc7\u7f16\u8bd1\u540e\u50a8\u5b58\u5728\u6570\u636e\u5e93\u4e2d,\u7528\u6237\u53ef\u4ee5\u6307\u5b9a\u5b58\u50a8\u8fc7\u7a0b\u7684\u540d\u5b57\u548c\u53c2\u6570\u6765\u8fdb\u884c\u6267\u884c,\u6267\u884c\u5b8c\u6bd5\u5f97\u5230\u76f8\u5e94\u7ed3\u679c; \u2003\u7528\u5927\u767d\u8bdd\u6765\u8bf4\u5c31\u662f:\u5b58\u50a8\u8fc7\u7a0b\u5c31\u662f\u63d0\u524d\u628a\u4e00\u5806 SQL \u8bed\u53e5\u6253\u5305\u5199\u597d&#xff0c;\u5b58\u5728 MySQL \u6570\u636e\u5e93\u91cc&#xff0c;\u7ed9\u8fd9\u6bb5\u6253\u5305\u4ee3\u7801\u8d77\u4e2a\u540d\u5b57\u3002\u540e\u7eed\u4e0d\u7528\u91cd\u590d\u5199\u4e00\u5806 SQL&#xff0c;\u76f4\u63a5\u8c03\u7528\u540d\u5b57\u5c31\u80fd\u4e00\u6b21\u6027\u6267\u884c\u5168\u90e8\u8bed\u53e5 \u2003\u6211\u4eec\u53ef\u4ee5\u7c7b\u6bd4\u4e0eJava\u4e2d\u7684\u65b9\u6cd5,\u6216\u8005C\u8bed\u8a00\u4e2d\u7684\u51fd\u6570 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726104247-6a65e4a7c724b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u2003\u6b63\u5982,SQL\u8bed\u53e5\u6211\u4eec\u53ef\u4ee5\u7406\u89e3\u4e3a:\u65b9\u6cd5\u4f53\u91cc\u9762\u7684\u8bed\u53e5 \u2003\u5f53\u6211\u4eec\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u7684\u65f6\u5019,\u5c31\u4f1a\u5b8c\u6210\u6307\u5b9a\u7684\u4efb\u52a1\u4e4b\u540e,\u5c31\u4f1a\u5f97\u5230\u5bf9\u5e94\u7684\u7ed3\u679c; \u7279\u70b9:<\/p>\n<li>\u5b58\u5728\u6570\u636e\u5e93\u7aef&#xff1a;\u4ee3\u7801\u4fdd\u5b58\u5728 MySQL \u670d\u52a1\u5668&#xff0c;\u4e0d\u662f Java\u3001\u672c\u5730\u6587\u4ef6\u91cc&#xff1b;<\/li>\n<li>\u4e00\u6b21\u7f16\u8bd1&#xff0c;\u591a\u6b21\u8fd0\u884c&#xff1a;\u7b2c\u4e00\u6b21\u8c03\u7528\u7f16\u8bd1&#xff0c;\u540e\u7eed\u76f4\u63a5\u6267\u884c&#xff0c;\u5927\u6279\u91cf SQL \u6548\u7387\u66f4\u9ad8&#xff1b;<\/li>\n<li>\u652f\u6301\u5165\u53c2\u3001\u51fa\u53c2&#xff0c;\u53ef\u4ee5\u5916\u90e8\u4f20\u503c\u63a7\u5236 SQL \u903b\u8f91&#xff1b;<\/li>\n<li>\u53ef\u4ee5\u5199\u6d41\u7a0b\u63a7\u5236&#xff1a;if \u5224\u65ad\u3001while \u5faa\u73af&#xff0c;\u8ba9 SQL \u62e5\u6709\u7b80\u5355\u7f16\u7a0b\u80fd\u529b\u3002<\/li>\n<h5 id=\"section1-1\">1.1 \u5b58\u50a8\u8fc7\u7a0b\u6838\u5fc3\u5b9a\u4e49<\/h5>\n<p>\u2003\u6b63\u5e38\u60c5\u51b5\u4e0b,\u6211\u4eec\u7684\u6570\u636e\u5e93\u4e3b\u8981\u8d1f\u8d23\u6570\u636e\u7684\u5b58\u50a8\u548c\u68c0\u7d22\u5de5\u4f5c \u2003Java \u670d\u52a1\u8d1f\u8d23\u6d41\u7a0b\u63a7\u5236&#xff08;if \u5224\u65ad\u3001\u5faa\u73af\u3001\u4e8b\u52a1\u3001\u4e1a\u52a1\u8ba1\u7b97&#xff09; \u2003\u800c\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u6a21\u5f0f: \u2003\u6570\u636e\u5e93\u5305\u63fd\u6d41\u7a0b\u63a7\u5236\u3001\u5224\u65ad\u3001\u5faa\u73af\u3001\u8fd0\u7b97\u3001\u4e8b\u52a1&#xff1b;Java \u53ea\u5145\u5f53 \u201c\u8c03\u7528\u65b9\u201d&#xff0c;\u53ea\u8d1f\u8d23\u4f20\u53c2\u3001\u62ff\u8fd4\u56de\u7ed3\u679c&#xff0c;\u4e0d\u518d\u53c2\u4e0e\u4e1a\u52a1\u5224\u65ad\u3002 \u4f8b\u5982:<\/p>\n<ul>\n<li>\u666e\u901a\u5199\u6cd5&#xff1a;Java \u67e5\u4f59\u989d\u3001if \u5224\u65ad\u94b1\u591f\u4e0d\u591f\u3001try \u63a7\u5236\u4e8b\u52a1\u3001\u52a0\u51cf\u91d1\u989d&#xff1b;<\/li>\n<li>\u5b58\u50a8\u8fc7\u7a0b&#xff1a;Java \u53ea\u4f20\u8f6c\u8d26\u53cc\u65b9 ID \u548c\u91d1\u989d&#xff0c;\u5269\u4e0b\u67e5\u4f59\u989d\u3001\u5224\u65ad\u3001\u6263\u94b1\u52a0\u94b1\u3001\u51fa\u9519\u56de\u6eda\u5168\u7531 MySQL \u8dd1\u5b8c\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726104247-6a65e4a7e2b40.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p> &#x1f519; \u8fd4\u56de\u76ee\u5f55<\/p>\n<hr \/>\n<h5 id=\"section1-2\">1.2 \u5b58\u50a8\u8fc7\u7a0b\u4f18\u7f3a\u70b9<\/h5>\n<p>\u2003\u4f18\u70b9:<\/p>\n<li>\u6027\u80fd\u4f18\u5316 \u2003\u5b58\u50a8\u8fc7\u7a0b,\u662f\u5728\u521b\u5efa\u65f6\u7f16\u8bd1\u653e\u5728\u6570\u636e\u5e93\u4e2d\u7684,\u6267\u884c\u5b58\u50a8\u8fc7\u7a0b\u65f6,\u6267\u884c\u901f\u5ea6\u4f1a\u6bd4\u6267\u884c\u5355\u4e2aSQL\u8bed\u53e5\u96c6\u5feb;<\/li>\n<li>\u4ee3\u7801\u91cd\u7528 \u2003\u521b\u5efa\u7684\u5b58\u50a8\u8fc7\u7a0b,\u53ef\u4ee5\u91cd\u590d\u88ab\u4f7f\u7528,\u907f\u514d\u91cd\u590d\u4ee3\u7801;<\/li>\n<li>\u5b89\u5168\u6027 \u2003\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u9650\u5236\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93,\u901a\u8fc7\u95f4\u63a5\u8bbf\u95ee;<\/li>\n<li>\u964d\u4f4e\u8026\u5408\u6027 \u2003\u5f53\u521b\u5efa\u7684\u8868\u7ed3\u6784\u53d1\u751f\u53d8\u5316\u65f6,\u6211\u4eec\u53ea\u9700\u8981\u4fee\u6539\u5bf9\u5e94\u7684\u5b58\u50a8\u8fc7\u7a0b\u5373\u53ef<\/li>\n<li>\u4e8b\u7269\u7ba1\u7406 \u2003\u53ef\u4ee5\u5728\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u5b9e\u73b0\u6bd4\u8f83\u590d\u6742\u7684\u4e8b\u7269\u903b\u8f91<\/li>\n<p>\u2003\u7f3a\u70b9:<\/p>\n<li>\u53ef\u79fb\u690d\u6027\u5dee \u2003\u5b58\u50a8\u8fc7\u7a0b\u4e0d\u80fd\u5938\u6570\u636e\u5e93\u8fdb\u884c\u4f7f\u7528,\u66f4\u6362\u6570\u636e\u5e93\u65f6,\u9700\u8981\u91cd\u65b0\u7f16\u5199;<\/li>\n<li>\u8c03\u8bd5\u56f0\u96be \u2003\u53ea\u6709\u5c11\u6570\u60c5\u51b5\u4e0b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u652f\u6301\u5b58\u50a8\u8fc7\u7a0b\u8c03\u8bd5,\u6211\u4eec\u5728\u4f7f\u7528\u547d\u4ee4\u884c\u7a97\u53e3\u65f6,\u8c03\u8bd5\u975e\u5e38\u56f0\u96be,\u627ebug\u5f88\u8270\u96be;<\/li>\n<li>\u4e0d\u9002\u5408\u9ad8\u5e76\u53d1\u7684\u573a\u666f \u2003\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b,\u5982\u679c\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u6765\u7ba1\u7406\u6570\u636e\u5e93,\u53ef\u80fd\u4f1a\u589e\u52a0\u6570\u636e\u5e93\u538b\u529b,\u672c\u6765\u6211\u4eec\u6570\u636e\u5e93\u5c31\u662f\u4ee3\u7801\u6267\u884c\u8fc7\u7a0b\u4e2d\u6700\u6162\u7684\u65f6\u5019,\u6b64\u65f6\u6570\u636e\u5e93\u5c31\u5f88\u96be\u4ee5\u7ef4\u62a4;<\/li>\n<p> &#x1f519; \u8fd4\u56de\u76ee\u5f55<\/p>\n<hr \/>\n<h5 id=\"section1-3\">1.3 \u9002\u7528\u4e1a\u52a1\u573a\u666f<\/h5>\n<p>\u9002\u5408\u573a\u666f: \u7c7b\u4f3c\u4e8e\u4e00\u4e0b\u573a\u666f \u2003 \u6279\u91cf\u6570\u636e\u5904\u7406&#xff1a;\u6279\u91cf\u4fee\u6539\u3001\u6279\u91cf\u7edf\u8ba1\u3001\u5b9a\u65f6\u5f52\u6863&#xff1b; \u2003 \u590d\u6742\u591aSQL\u7ec4\u5408&#xff1a;\u591a\u8868\u67e5\u8be2\u3001\u591a\u6b65\u9aa4\u8ba1\u7b97\u3001\u62a5\u8868\u7edf\u8ba1&#xff1b; \u2003 \u95ed\u73af\u4e8b\u52a1\u64cd\u4f5c&#xff1a;\u4e0b\u5355\u3001\u652f\u4ed8\u3001\u5e93\u5b58\u6263\u51cf\u7b49\u5f3a\u4e00\u81f4\u6027\u4e1a\u52a1&#xff1b; \u2003\u903b\u8f91\u5206\u652f\u7e41\u591a&#xff1a;\u5927\u91cfif\/\u5224\u65ad\u4f9d\u8d56\u6570\u636e\u5e93\u5b57\u6bb5\u505a\u5206\u652f\u3002<\/p>\n<p>\u4e0d\u63a8\u8350\u573a\u666f \u2003.\u9700\u8981\u9891\u7e41\u8fed\u4ee3\u6539\u52a8\u7684\u4e1a\u52a1&#xff1b; \u2003 \u9700\u8981\u8de8\u5e93\u64cd\u4f5c\u3001\u4f9d\u8d56Java\u4e2d\u95f4\u4ef6\u903b\u8f91&#xff1b; \u2003 \u8ffd\u6c42\u6570\u636e\u5e93\u6a2a\u5411\u5206\u5e93\u5206\u8868\u7684\u5927\u578b\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002<\/p>\n<p>\u2003\u4e3b\u8981\u4f7f\u7528\u573a\u666f\u65e5\u5e38\u5f00\u53d1\u4e2d\u6309\u7167\u4e1a\u52a1\u9700\u6c42\u5373\u53ef;<\/p>\n<p> &#x1f519; \u8fd4\u56de\u76ee\u5f55<\/p>\n<hr \/>\n<h4 id=\"section2\">2. \u5b58\u50a8\u8fc7\u7a0b\u7684\u521b\u5efa\u8bed\u6cd5\u5b9e\u64cd<\/h4>\n<p>\u8bed\u6cd5:<\/p>\n<p><span class=\"token comment\">&#8212; \u4fee\u6539sql\u8bed\u53e5\u7ed3\u675f\u6807\u8bc6\u7b26\u4e3a \/\/<\/span><br \/>\n<span class=\"token keyword\">delimiter<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token comment\">&#8212; \u521b\u5efa\u5b58\u50a8\u8fc7\u7a0b<\/span><br \/>\n<span class=\"token keyword\">create<\/span> <span class=\"token keyword\">procedure<\/span> \u5b58\u50a8\u8fc7\u7a0b\u540d <span class=\"token punctuation\">(<\/span>\u53c2\u6570\u5217\u8868<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">begin<\/span><br \/>\n<span class=\"token comment\">&#8212; sql \u8bed\u53e5<\/span><br \/>\n<span class=\"token keyword\">end<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token comment\">&#8212; \u4fee\u6539sql\u8bed\u53e5\u7ed3\u675f\u6807\u8bc6\u7b26\u4e3a ;<\/span><br \/>\n<span class=\"token keyword\">delimiter<\/span> <span class=\"token punctuation\">;<\/span><\/p>\n<p>\u2003\u4e3a\u4ec0\u4e48\u6211\u4eec\u6b64\u65f6\u9700\u8981\u4fee\u6539\u7ed3\u675f\u6807\u8bc6\u7b26? \u2003\u6211\u4eec\u77e5\u9053\u6211\u4eec\u5728\u547d\u4ee4\u884c\u5ba2\u6237\u7aef\u8fdb\u884c\u589e\u5220\u6539\u67e5\u7684\u65f6\u5019,\u6211\u4eec\u662f\u4f7f\u7528;\u6765\u8868\u793a\u8fd9\u6761\u8bed\u53e5\u7ed3\u675f \u2003\u5982\u679c\u6211\u4eec\u6b64\u65f6\u4e0d\u52a0;\u6b64\u65f6,\u7f16\u8bd1\u5668\u5c31\u4e0d\u77e5\u9053\u4f60\u5230\u5e95\u7ed3\u675f\u6ca1; \u4f8b\u5982: <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726104248-6a65e4a83e209.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u2003\u6b64\u65f6\u5c31\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5;<\/p>\n<p> &#x1f519; \u8fd4\u56de\u76ee\u5f55<\/p>\n<hr \/>\n<h5 id=\"section2-1\">2.1 \u65e0\u53c2\u5b58\u50a8\u8fc7\u7a0b\u521b\u5efa<\/h5>\n<p>\u2003\u6211\u4eec\u5148\u521b\u5efa\u4e00\u4e2a\u5b66\u751f\u8868;<\/p>\n<p><span class=\"token keyword\">create<\/span> <span class=\"token keyword\">table<\/span> student<span class=\"token punctuation\">(<\/span><br \/>\n    id <span class=\"token keyword\">int<\/span> <span class=\"token keyword\">primary<\/span> <span class=\"token keyword\">key<\/span> auto\\\\_increment<span class=\"token punctuation\">,<\/span><br \/>\n    name <span class=\"token keyword\">varchar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token string\">&#039;\u533f\u540d&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    age <span class=\"token keyword\">int<\/span> <span class=\"token operator\">not<\/span> <span class=\"token boolean\">null<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u2003\u9ed8\u8ba4\u6570\u636e\u5c31\u662f\u597d\u4e45\u4e4b\u524d\u5199\u535a\u5ba2\u521b\u5efa\u7684\u6570\u636e: <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726104248-6a65e4a85b9cd.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u2003\u6b64\u65f6\u8868\u4e2d\u6570\u636e\u662f\u8fd9\u6837\u76844\u6761\u6570\u636e,\u53ea\u6709\u540d\u5b57,id,\u548c\u5e74\u9f84; \u2003\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50:\u6211\u4eec\u9700\u8981\u67e5\u8be2\u5e74\u9f84\u5927\u4e8e40\u5c81\u7684\u4eba,\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u6765\u521b\u5efa<\/p>\n<p><span class=\"token keyword\">delimiter<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">create<\/span> <span class=\"token keyword\">procedure<\/span> p_test<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">begin<\/span><br \/>\n<span class=\"token keyword\">select<\/span> id<span class=\"token punctuation\">,<\/span>name<span class=\"token punctuation\">,<\/span>age <span class=\"token keyword\">from<\/span> student <span class=\"token keyword\">where<\/span> age <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">40<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">end<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">delimiter<\/span> <span class=\"token punctuation\">;<\/span><\/p>\n<p>\u2003\u6b64\u65f6\u6211\u4eec\u5b58\u50a8\u8fc7\u7a0b\u5c31\u5df2\u7ecf\u521b\u5efa\u597d\u4e86: <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726104248-6a65e4a871fb0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p> &#x1f519; \u8fd4\u56de\u76ee\u5f55<\/p>\n<hr \/>\n<h5 id=\"section2-2\">2.2 \u5e26\u5165\u53c2\u5b58\u50a8\u8fc7\u7a0b\u521b\u5efa<\/h5>\n<p>\u8fd8\u662f\u4ee5\u521a\u624d\u7684\u6570\u636e\u4e3a\u4f8b\u5b50: \u521b\u5efa\u5b58\u50a8\u8fc7\u7a0b:\u6211\u4eec\u9700\u8981\u624b\u52a8\u6307\u5b9a,\u5e74\u9f84\u5927\u4e8e***\u5c81\u7684\u5b58\u50a8\u8fc7\u7a0b<\/p>\n<p><span class=\"token keyword\">delimiter<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">create<\/span> <span class=\"token keyword\">procedure<\/span> query_student_by_age<span class=\"token punctuation\">(<\/span><span class=\"token operator\">in<\/span> <span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">begin<\/span><br \/>\n    <span class=\"token keyword\">select<\/span> id<span class=\"token punctuation\">,<\/span>name<span class=\"token punctuation\">,<\/span>age <span class=\"token keyword\">from<\/span> student <span class=\"token keyword\">where<\/span> age <span class=\"token operator\">&gt;<\/span> param_age<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">end<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">delimiter<\/span> <span class=\"token punctuation\">;<\/span><\/p>\n<p>in&#xff1a;\u53c2\u6570\u65b9\u5411\u5173\u952e\u5b57 param_age&#xff1a;\u81ea\u5b9a\u4e49\u53c2\u6570\u540d int&#xff1a;\u53c2\u6570\u7684\u6570\u636e\u7c7b\u578b<\/p>\n<table>\n<tr>\u5199\u6cd5\u542b\u4e49\u8c03\u7528\u7279\u70b9<\/tr>\n<tbody>\n<tr>\n<td>in param_age int<\/td>\n<td>\u5916\u90e8\u7ed9\u5b58\u50a8\u8fc7\u7a0b\u4f20\u6570\u5b57<\/td>\n<td>\u8c03\u7528\u76f4\u63a5\u5199\u56fa\u5b9a\u6570\u5b57&#xff1a;call xxx(42)<\/td>\n<\/tr>\n<tr>\n<td>out total int<\/td>\n<td>\u5b58\u50a8\u8fc7\u7a0b\u5411\u5916\u5410\u51fa\u6570\u5b57<\/td>\n<td>\u8c03\u7528\u5fc5\u987b\u7528&#064;\u53d8\u91cf\u627f\u63a5&#xff1a;call xxx(42,&#064;res)<\/td>\n<\/tr>\n<tr>\n<td>inout num int<\/td>\n<td>\u65e2\u80fd\u4f20\u5165&#xff0c;\u53c8\u80fd\u6539\u5b8c\u5e26\u56de<\/td>\n<td>\u8c03\u7528\u5fc5\u987b\u7528&#064;\u53d8\u91cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f8b\u5982:<\/p>\n<p><span class=\"token keyword\">delimiter<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">create<\/span> <span class=\"token keyword\">procedure<\/span> p_test<span class=\"token punctuation\">(<\/span><span class=\"token operator\">in<\/span> val <span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">begin<\/span><br \/>\n<span class=\"token keyword\">select<\/span> id<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">,<\/span>age <span class=\"token keyword\">from<\/span> student <span class=\"token keyword\">where<\/span>  val <span class=\"token operator\">&gt;<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">end<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">delimiter<\/span> <span class=\"token punctuation\">;<\/span><\/p>\n<p>\u2003\u6b64\u65f6\u6211\u4eec\u5e26\u53c2\u6570\u7684\u5b58\u50a8\u8fc7\u7a0b\u5c31\u5df2\u7ecf\u521b\u5efa\u597d\u4e86; \u2003\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528inout num int\u7684\u65b9\u5f0f\u6765\u521b\u5efa<\/p>\n<p><span class=\"token keyword\">set<\/span> <span class=\"token variable\">&#064;num<\/span> :<span class=\"token operator\">&#061;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">delimiter<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">create<\/span> <span class=\"token keyword\">procedure<\/span> p_test<span class=\"token punctuation\">(<\/span><span class=\"token operator\">in<\/span> val <span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">begin<\/span><br \/>\n<span class=\"token keyword\">set<\/span> <span class=\"token variable\">&#064;num<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token variable\">&#064;num<\/span><span class=\"token operator\">&#043;<\/span>val<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">end<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">delimiter<\/span> <span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">select<\/span> <span class=\"token variable\">&#064;num<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726104248-6a65e4a88f7c1.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p> &#x1f519; \u8fd4\u56de\u76ee\u5f55<\/p>\n<hr \/>\n<h5 id=\"section2-3\">2.3 \u5b58\u50a8\u8fc7\u7a0b\u8c03\u7528\u65b9\u5f0f<\/h5>\n<p>\u8bed\u6cd5:<\/p>\n<p><span class=\"token keyword\">call<\/span> \u5b58\u50a8\u8fc7\u7a0b\u540d\u5b57<span class=\"token punctuation\">(<\/span>\u53c2\u6570<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4f5c\u7528&#xff1a;\u5b58\u50a8\u8fc7\u7a0b\u5411\u5916\u8f93\u51fa\u7ed3\u679c&#xff0c;\u5fc5\u987b\u7528&#064;\u81ea\u5b9a\u4e49\u53d8\u91cf\u627f\u63a5&#xff0c;\u4e0d\u80fd\u4f20\u5e38\u91cf\u3002 \u4f8b\u5982\u8c03\u7528\u6211\u4eec\u4e0a\u8bc9\u521b\u5efa\u7684\u67e5\u770b:<\/p>\n<p><span class=\"token keyword\">delimiter<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">create<\/span> <span class=\"token keyword\">procedure<\/span> p_test<span class=\"token punctuation\">(<\/span><span class=\"token operator\">in<\/span> val <span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">begin<\/span><br \/>\n    <span class=\"token keyword\">select<\/span> id<span class=\"token punctuation\">,<\/span>name<span class=\"token punctuation\">,<\/span>age <span class=\"token keyword\">from<\/span> student <span class=\"token keyword\">where<\/span> age <span class=\"token operator\">&gt;<\/span> val<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">end<\/span> <span class=\"token comment\">\/\/<\/span><br \/>\n<span class=\"token keyword\">delimiter<\/span> <span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">call<\/span> p_test<span class=\"token punctuation\">(<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u2003\u7ed3\u679c: <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260726104248-6a65e4a8a823a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p> &#x1f519; \u8fd4\u56de\u76ee\u5f55<\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>&#x1f4d1; \u76ee\u5f55<br \/>\n1 \u4ec0\u4e48\u662fMySQL\u5b58\u50a8\u8fc7\u7a0b 1.1 \u5b58\u50a8\u8fc7\u7a0b\u6838\u5fc3\u5b9a\u4e491.2 \u5b58\u50a8\u8fc7\u7a0b\u4f18\u7f3a\u70b91.3 \u9002\u7528\u4e1a\u52a1\u573a\u666f 2 \u5b58\u50a8\u8fc7\u7a0b\u7684\u521b\u5efa\u8bed\u6cd5\u5b9e\u64cd 2.1 \u65e0\u53c2\u5b58\u50a8\u8fc7\u7a0b\u521b\u5efa2.2 \u5e26\u5165\u53c2\u5b58\u50a8\u8fc7\u7a0b\u521b\u5efa2.3 \u5b58\u50a8\u8fc7\u7a0b\u8c03\u7528\u65b9\u5f0f  1. \u4ec0\u4e48\u662fMySQL\u5b58\u50a8\u8fc7\u7a0b]  \u5b58\u50a8\u8fc7\u7a0b:\u4e00\u7ec4\u5b8c\u6210\u7279\u5b9a\u529f\u80fd\u7684\u8bed\u53e5\u96c6,\u7ecf\u8fc7\u7f16\u8bd1\u540e\u50a8\u5b58\u5728\u6570\u636e\u5e93\u4e2d,\u7528\u6237\u53ef\u4ee5\u6307\u5b9a\u5b58\u50a8\u8fc7\u7a0b\u7684\u540d\u5b57\u548c\u53c2\u6570\u6765\u8fdb\u884c\u6267\u884c,\u6267\u884c\u5b8c\u6bd5\u5f97\u5230\u76f8\u5e94\u7ed3\u679c; \u2003\u7528\u5927\u767d\u8bdd\u6765\u8bf4\u5c31\u662f:\u5b58\u50a8\u8fc7\u7a0b\u5c31\u662f\u63d0\u524d\u628a\u4e00\u5806 SQL \u8bed\u53e5\u6253\u5305\u5199\u597d&#xff0c;\u5b58<\/p>\n","protected":false},"author":2,"featured_media":84850,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9099,114,190,100],"topic":[],"class_list":["post-84857","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-9099","tag-mysql","tag-190","tag-100"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MySQL \u5b58\u50a8\u8fc7\u7a0b\u8be6\u89e3\uff1a\u6982\u5ff5\u3001\u521b\u5efa\u4e0e\u5220\u9664\u5168\u6559\u7a0b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/84857.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MySQL \u5b58\u50a8\u8fc7\u7a0b\u8be6\u89e3\uff1a\u6982\u5ff5\u3001\u521b\u5efa\u4e0e\u5220\u9664\u5168\u6559\u7a0b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"&#x1f4d1; 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