{"id":7357,"date":"2024-11-14T14:54:44","date_gmt":"2024-11-14T06:54:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7357\/"},"modified":"2024-11-14T14:54:44","modified_gmt":"2024-11-14T06:54:44","slug":"%e5%9c%a8-mybatis-%e4%b8%ad%ef%bc%8c%e5%a6%82%e4%bd%95%e5%ae%89%e5%85%a8%e7%9a%84%e5%a4%84%e7%90%86%e5%8c%85%e5%90%ab%e7%89%b9%e6%ae%8a%e7%ac%a6%e5%8f%b7%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7357\/","title":{"rendered":"\u5728 MyBatis \u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u7684\u5904\u7406\u5305\u542b\u7279\u6b8a\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\uff1f"},"content":{"rendered":"

\"\u5728<\/p>\n

\u5728 mybatis \u4e2d\u5904\u7406\u7279\u6b8a\u7b26\u53f7\u5b57\u7b26\u4e32<\/strong><\/p>\n

\u5f53\u4f60\u5728\u4f7f\u7528 mybatis \u66f4\u65b0\u6570\u636e\u8868\u65f6\uff0c\u5982\u679c\u4f20\u5165\u7684\u5b57\u7b26\u4e32\u5305\u542b\u7279\u6b8a\u7b26\u53f7\uff08\u5982\u95ee\u53f7\u6216\u611f\u53f9\u53f7\uff09\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4 sql \u8bed\u6cd5\u9519\u8bef\u3002<\/p>\n

\u539f\u56e0\u5206\u6790<\/strong><\/p>\n

mybatis \u4f1a\u81ea\u52a8\u5c06 #{} \u4e2d\u7684\u5185\u5bb9\u89e3\u6790\u4e3a sql \u53c2\u6570\uff0c\u4f46\u7279\u6b8a\u7b26\u53f7\u672c\u8eab\u5728 sql \u4e2d\u4e5f\u662f\u4f5c\u4e3a\u5173\u952e\u5b57\u4f7f\u7528\u7684\u3002\u4f8b\u5982\uff0c\u611f\u53f9\u53f7\uff08\uff01\uff09\u8868\u793a\u5426\u5b9a\uff0c\u95ee\u53f7\uff08\uff1f\uff09\u8868\u793a\u5360\u4f4d\u7b26\u3002<\/p>\n

\u89e3\u51b3\u529e\u6cd5<\/strong><\/p>\n

\u627e\u5230\u95ee\u9898\u4e86\uff0c\u539f\u6765 separator \u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u5173\u952e\u8bcd\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528\u7279\u6b8a\u7b26\u53f7\u5b57\u7b26\u4e32\u65f6\uff0c\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u8f6c\u4e49\u3002\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n

    <update id=\"update\">\n        UPDATE d_table SET\n        `separator` = #{separator, jdbcType=VARCHAR}\n        WHERE id = #{id, jdbcType=BIGINT}\n    <\/update><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u901a\u8fc7\u5728\u7279\u6b8a\u7b26\u53f7\u524d\u6dfb\u52a0\u53cd\u5f15\u53f7\uff08`\uff09\uff09\uff0c\u53ef\u4ee5\u544a\u8bc9 mybatis \u5c06\u5176\u4f5c\u4e3a\u4e00\u4e2a\u666e\u901a\u5b57\u7b26\uff0c\u800c\u4e0d\u662f sql \u5173\u952e\u5b57\u3002\u8fd9\u6837\uff0cmybatis \u5c31\u4f1a\u6b63\u786e\u5730\u5c06\u7279\u6b8a\u7b26\u53f7\u5b57\u7b26\u4e32\u4f20\u9012\u7ed9\u6570\u636e\u5e93\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5728 MyBatis \u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u7684\u5904\u7406\u5305\u542b\u7279\u6b8a\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728 mybatis \u4e2d\u5904\u7406\u7279\u6b8a\u7b26\u53f7\u5b57\u7b26\u4e32 \u5f53\u4f60\u5728\u4f7f\u7528 mybatis \u66f4\u65b0\u6570\u636e\u8868\u65f6\uff0c\u5982\u679c\u4f20\u5165\u7684\u5b57\u7b26\u4e32\u5305\u542b\u7279\u6b8a\u7b26\u53f7\uff08\u5982\u95ee\u53f7\u6216\u611f\u53f9\u53f7\uff09\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4 sql \u8bed\u6cd5\u9519\u8bef\u3002 \u539f\u56e0\u5206\u6790 mybatis \u4f1a\u81ea\u52a8\u5c06 #{} \u4e2d\u7684\u5185\u5bb9\u89e3\u6790\u4e3a sql \u53c2\u6570\uff0c\u4f46\u7279\u6b8a\u7b26\u53f7\u672c\u8eab\u5728 sql \u4e2d\u4e5f\u662f\u4f5c\u4e3a\u5173\u952e\u5b57\u4f7f\u7528\u7684\u3002\u4f8b\u5982\uff0c\u611f\u53f9\u53f7\uff08\uff01\uff09\u8868\u793a\u5426\u5b9a\uff0c\u95ee\u53f7\uff08\uff1f\uff09\u8868\u793a\u5360\u4f4d\u7b26\u3002 \u89e3\u51b3\u529e\u6cd5 \u627e\u5230\u95ee\u9898\u4e86\uff0c\u539f\u6765 separator \u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u5173\u952e\u8bcd\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528\u7279\u6b8a\u7b26\u53f7\u5b57\u7b26\u4e32\u65f6\uff0c\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u8f6c\u4e49\u3002\u65b9\u6cd5\u5982\u4e0b\uff1a <update id=”update”> UPDATE d_table SET `separator` = #{separator, jdbcType=VARCHAR} WHERE id = #{id, jdbcType=BIGINT} <\/update> \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u5728\u7279\u6b8a\u7b26\u53f7\u524d\u6dfb\u52a0\u53cd\u5f15\u53f7\uff08`\uff09\uff09\uff0c\u53ef\u4ee5\u544a\u8bc9 mybatis \u5c06\u5176\u4f5c\u4e3a\u4e00\u4e2a\u666e\u901a\u5b57\u7b26\uff0c\u800c\u4e0d\u662f sql \u5173\u952e\u5b57\u3002\u8fd9\u6837\uff0cmybatis \u5c31\u4f1a\u6b63\u786e\u5730\u5c06\u7279\u6b8a\u7b26\u53f7\u5b57\u7b26\u4e32\u4f20\u9012\u7ed9\u6570\u636e\u5e93\u3002 \u4ee5\u4e0a\u5c31\u662f\u5728 MyBatis \u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u7684\u5904\u7406\u5305\u542b\u7279\u6b8a\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-7357","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=7357"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7357\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}