{"id":41946,"date":"2024-12-01T09:22:26","date_gmt":"2024-12-01T01:22:26","guid":{"rendered":"https:\/\/fwq.ai\/blog\/41946\/"},"modified":"2024-12-01T09:22:26","modified_gmt":"2024-12-01T01:22:26","slug":"go-mysql-gin-%e6%8a%a5%e9%94%99%ef%bc%9aruntime-error-invalid-memory-address-or-nil-pointer-dereference-%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/41946\/","title":{"rendered":"Go MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p>\u600e\u4e48\u5165\u95e8Golang\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762golang\u5b66\u4e60\u7f51\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aGo MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241117\/1731815135673966df9a92f.jpg\" class=\"aligncenter\" title=\"Go MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u63d2\u56fe\" alt=\"Go MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u63d2\u56fe\" \/>,<br \/>\n<strong>go mysql gin \u62a5\u9519\u95ee\u9898<\/strong>,\u5728 go \u4e2d\u4f7f\u7528 mysql \u548c gin \u65f6\uff0c\u5728\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\u53ef\u80fd\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u62a5\u9519\uff1a,<br \/>\n<strong>\u5206\u6790\uff1a<\/strong>,\u95ee\u9898\u53ef\u80fd\u662f\u7531\u4e8e\u5728\u4f7f\u7528\u4e86 stmt.exec \u4e4b\u540e\uff0c\u53c8\u5bf9\u51c6\u5907\u597d\u7684\u8bed\u53e5 stmt \u6267\u884c\u4e86\u5173\u95ed\u64cd\u4f5c\uff0c\u5bfc\u81f4\u8bed\u53e5\u53e5\u67c4\u5931\u6548\u3002,<br \/>\n<strong>\u89e3\u51b3\u529e\u6cd5\uff1a<\/strong>,\u786e\u4fdd\u5728\u4f7f\u7528 stmt \u8fdb\u884c\u67e5\u8be2\u4e4b\u524d\uff0c\u6ca1\u6709\u5bf9\u5176\u6267\u884c\u5173\u95ed\u64cd\u4f5c\u3002\u4f7f\u7528 stmt.execcontext \u800c\u4e0d\u662f stmt.exec \u6765\u6267\u884c\u67e5\u8be2\uff0cstmt.execcontext \u4f1a\u81ea\u52a8\u5904\u7406\u8bed\u53e5\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u3002,<br \/>\n<strong>\u5177\u4f53\u4fee\u6539\u5efa\u8bae\uff1a<\/strong>,\u5176\u4e2d ctx \u4e3a context.context\uff0c\u7528\u4e8e\u53d6\u6d88\u67e5\u8be2\u6216\u7ba1\u7406\u8d85\u65f6\u3002,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGo MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,go mysql gin \u62a5\u9519\u95ee\u9898,\u600e\u4e48\u5165\u95e8Golang\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762golang\u5b66\u4e60\u7f51\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aGo MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f<\/span><\/p>\n<h1>Go MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n<p><span>2024-11-17 11:45:51<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u600e\u4e48\u5165\u95e8Golang\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762golang\u5b66\u4e60\u7f51\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aGo MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241117\/1731815135673966df9a92f.jpg\" class=\"aligncenter\" title=\"Go MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u63d2\u56fe\" alt=\"Go MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>go mysql gin \u62a5\u9519\u95ee\u9898<\/strong><\/p>\n<p>\u5728 go \u4e2d\u4f7f\u7528 mysql \u548c gin \u65f6\uff0c\u5728\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\u53ef\u80fd\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u62a5\u9519\uff1a<\/p>\n<pre>runtime error: invalid memory address or nil pointer dereference<\/pre>\n<p><strong>\u5206\u6790\uff1a<\/strong><\/p>\n<p>\u95ee\u9898\u53ef\u80fd\u662f\u7531\u4e8e\u5728\u4f7f\u7528\u4e86 stmt.exec \u4e4b\u540e\uff0c\u53c8\u5bf9\u51c6\u5907\u597d\u7684\u8bed\u53e5 stmt \u6267\u884c\u4e86\u5173\u95ed\u64cd\u4f5c\uff0c\u5bfc\u81f4\u8bed\u53e5\u53e5\u67c4\u5931\u6548\u3002<\/p>\n<p><strong>\u89e3\u51b3\u529e\u6cd5\uff1a<\/strong><\/p>\n<p>\u786e\u4fdd\u5728\u4f7f\u7528 stmt \u8fdb\u884c\u67e5\u8be2\u4e4b\u524d\uff0c\u6ca1\u6709\u5bf9\u5176\u6267\u884c\u5173\u95ed\u64cd\u4f5c\u3002\u4f7f\u7528 stmt.execcontext \u800c\u4e0d\u662f stmt.exec \u6765\u6267\u884c\u67e5\u8be2\uff0cstmt.execcontext \u4f1a\u81ea\u52a8\u5904\u7406\u8bed\u53e5\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u3002<\/p>\n<p><strong>\u5177\u4f53\u4fee\u6539\u5efa\u8bae\uff1a<\/strong><\/p>\n<pre>_, err = stmt.ExecContext(ctx, req.IdCode, c.Request.RemoteAddr)<\/pre>\n<p>\u5176\u4e2d ctx \u4e3a context.context\uff0c\u7528\u4e8e\u53d6\u6d88\u67e5\u8be2\u6216\u7ba1\u7406\u8d85\u65f6\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGo MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5c0f\u7a0b\u5e8f\u5d4c\u5165 H5 \u9875\u9762\u5b57\u4f53\u5931\u6548\u600e\u4e48\u529e\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u5728 CSS3 \u4e2d\u5b9e\u73b0\u7f51\u9875\u89c6\u9891\u81ea\u52a8\u64ad\u653e\u5e76\u542f\u7528\u58f0\u97f3?\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u600e\u4e48\u5165\u95e8Golang\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762golang\u5b66\u4e60\u7f51\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aGo MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b, , go mysql gin \u62a5\u9519\u95ee\u9898,\u5728 go \u4e2d\u4f7f\u7528 mysql \u548c gin \u65f6\uff0c\u5728\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\u53ef\u80fd\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u62a5\u9519\uff1a, \u5206\u6790\uff1a,\u95ee\u9898\u53ef\u80fd\u662f\u7531\u4e8e\u5728\u4f7f\u7528\u4e86 stmt.exec \u4e4b\u540e\uff0c\u53c8\u5bf9\u51c6\u5907\u597d\u7684\u8bed\u53e5 stmt \u6267\u884c\u4e86\u5173\u95ed\u64cd\u4f5c\uff0c\u5bfc\u81f4\u8bed\u53e5\u53e5\u67c4\u5931\u6548\u3002, \u89e3\u51b3\u529e\u6cd5\uff1a,\u786e\u4fdd\u5728\u4f7f\u7528 stmt \u8fdb\u884c\u67e5\u8be2\u4e4b\u524d\uff0c\u6ca1\u6709\u5bf9\u5176\u6267\u884c\u5173\u95ed\u64cd\u4f5c\u3002\u4f7f\u7528 stmt.execcontext \u800c\u4e0d\u662f stmt.exec \u6765\u6267\u884c\u67e5\u8be2\uff0cstmt.execcontext \u4f1a\u81ea\u52a8\u5904\u7406\u8bed\u53e5\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u3002, \u5177\u4f53\u4fee\u6539\u5efa\u8bae\uff1a,\u5176\u4e2d ctx \u4e3a context.context\uff0c\u7528\u4e8e\u53d6\u6d88\u67e5\u8be2\u6216\u7ba1\u7406\u8d85\u65f6\u3002,\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGo MySQL Gin \u62a5\u9519\uff1aruntime error: invalid memory address or nil pointer dereference \u5982\u4f55\u89e3\u51b3\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,go mysql gin [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-41946","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/41946","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=41946"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/41946\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=41946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=41946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=41946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}