{"id":45299,"date":"2024-12-01T10:39:22","date_gmt":"2024-12-01T02:39:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/45299\/"},"modified":"2024-12-01T10:39:22","modified_gmt":"2024-12-01T02:39:22","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-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/45299\/","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":"<p><b><\/b> <\/p>\n<h1>\u5728 MyBatis \u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u7684\u5904\u7406\u5305\u542b\u7279\u6b8a\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\uff1f<\/h1>\n<p>\u4eca\u5929\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241109\/1731123402672ed8ca8649f.jpg\" class=\"aligncenter\" title=\"\u5728 MyBatis \u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u7684\u5904\u7406\u5305\u542b\u7279\u6b8a\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\uff1f\u63d2\u56fe\" alt=\"\u5728 MyBatis \u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u7684\u5904\u7406\u5305\u542b\u7279\u6b8a\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5728 mybatis \u4e2d\u5904\u7406\u7279\u6b8a\u7b26\u53f7\u5b57\u7b26\u4e32<\/strong><\/p>\n<p>\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<p><strong>\u539f\u56e0\u5206\u6790<\/strong><\/p>\n<p>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<p><strong>\u89e3\u51b3\u529e\u6cd5<\/strong><\/p>\n<p>\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<pre>    &lt;update id=\"update\"&gt;\n        UPDATE d_table SET\n        `separator` = #{separator, jdbcType=VARCHAR}\n        WHERE id = #{id, jdbcType=BIGINT}\n    &lt;\/update&gt;<\/pre>\n<p>\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<p>\u4eca\u5929\u5173\u4e8e\u300a\u5728 MyBatis \u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u7684\u5904\u7406\u5305\u542b\u7279\u6b8a\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 MyBatis \u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u7684\u5904\u7406\u5305\u542b\u7279\u6b8a\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\uff1f 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\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 &lt;update id=&#8221;update&#8221;&gt; UPDATE d_table SET `separator` = #{separator, jdbcType=VARCHAR} WHERE id = #{id, jdbcType=BIGINT} &lt;\/update&gt; \u901a\u8fc7\u5728\u7279\u6b8a\u7b26\u53f7\u524d\u6dfb\u52a0\u53cd\u5f15\u53f7\uff08`\uff09\uff09\uff0c\u53ef\u4ee5\u544a\u8bc9 mybatis 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