{"id":121,"date":"2024-08-07T18:08:38","date_gmt":"2024-08-07T10:08:38","guid":{"rendered":"https:\/\/note.ui11.cc\/?p=121"},"modified":"2024-08-07T18:08:39","modified_gmt":"2024-08-07T10:08:39","slug":"%e5%85%a8%e5%b1%80%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/note.ui11.cc\/index.php\/2024\/08\/07\/%e5%85%a8%e5%b1%80%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86\/","title":{"rendered":"\u5168\u5c40\u5f02\u5e38\u5904\u7406"},"content":{"rendered":"\n

\u5982\u679c\u7528\u6237\u767b\u5f55\u4e4b\u540e\uff0c\u8d26\u6237\u540d\u76f8\u540c\uff0c\u5c31\u4f1a\u63d0\u793a\u201c\u8d26\u53f7\u5df2\u5b58\u5728\u201d\u5426\u5219\u63d0\u793a\u201c\u672a\u77e5\u9519\u8bef\u201d\uff0c\u5728\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\u4e0a\u5b9e\u73b0<\/p>\n\n\n\n

 @ExceptionHandler\n    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex) {\n        String message = ex.getMessage();\n\/\/\u5176message\u662fDuplicate entry \u2018zhangsan\u2019 for key 'employee.idx_username'  \n        if (message.contains(\"Duplicate entry\")){\n            String[] split = message.split(\" \");\n            String username=split[2];\n            String msg=username+ MessageConstant.ALREADY_EXIST;\n            return Result.error(msg);\n\n        }else {\n            return Result.error(MessageConstant.UNKNOWN_ERROR);\n        }\n<\/code><\/pre>\n\n\n\n
\u00a0split<\/code><\/summary>\n
\u5728\u60a8\u63d0\u4f9b\u7684\u4ee3\u7801\u7247\u6bb5\u4e2d\uff0cmessage.split(\" \")<\/code>\u00a0\u662f\u4e00\u4e2a\u4f7f\u7528Java\u7684\u00a0String<\/code>\u00a0\u7c7b\u7684\u00a0split<\/code>\u00a0\u65b9\u6cd5\u7684\u8c03\u7528\u3002\u8fd9\u4e2a\u65b9\u6cd5\u7528\u4e8e\u6839\u636e\u6307\u5b9a\u7684\u5206\u9694\u7b26\u5c06\u5b57\u7b26\u4e32\u5206\u5272\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n\n\n\n
\u5177\u4f53\u6765\u8bf4\uff0cmessage.split(\" \")<\/code> \u4f1a\u6839\u636e\u7a7a\u683c\u5b57\u7b26\u5c06 message<\/code> \u5b57\u7b26\u4e32\u5206\u5272\u6210\u591a\u4e2a\u90e8\u5206\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u8fd9\u4e9b\u90e8\u5206\u7684\u6570\u7ec4\u3002\u6bcf\u4e2a\u6570\u7ec4\u5143\u7d20\u4ee3\u8868\u539f\u5b57\u7b26\u4e32\u4e2d\u7531\u7a7a\u683c\u5206\u9694\u7684\u4e00\u4e2a\u90e8\u5206\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff0c\u5982\u679c\u00a0message<\/code>\u00a0\u7684\u503c\u662f\u00a0\"Duplicate entry 'username' for key 'PRIMARY'\"<\/code>\uff0c\u90a3\u4e48\u6267\u884c\u00a0message.split(\" \")<\/code>\u00a0\u540e\uff0csplit<\/code>\u00a0\u6570\u7ec4\u5c06\u5305\u542b\u4ee5\u4e0b\u5143\u7d20\uff1asplit[0]<\/code>\u00a0= “Duplicate”<\/p>\n\n\n\n
split[1]<\/code>\u00a0= “entry”<\/p>\n\n\n\n
split[2]<\/code>\u00a0= “‘username'”<\/p>\n\n\n\n
split[3]<\/code>\u00a0= “for”<\/p>\n\n\n\n
split[4]<\/code>\u00a0= “key”<\/p>\n\n\n\n
split[5]<\/code>\u00a0= “‘PRIMARY'”<\/p>\n\n\n\n
\u8fd9\u79cd\u5206\u5272\u64cd\u4f5c\u5728\u5904\u7406\u5f02\u5e38\u6d88\u606f\u65f6\u7279\u522b\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u4f60\u6839\u636e\u6d88\u606f\u7684\u7ed3\u6784\u63d0\u53d6\u7279\u5b9a\u7684\u4fe1\u606f\u3002\u5728\u60a8\u7684\u5f02\u5e38\u5904\u7406\u65b9\u6cd5\u4e2d\uff0c\u901a\u8fc7\u5206\u5272\u5f02\u5e38\u6d88\u606f\uff0c\u60a8\u53ef\u4ee5\u627e\u5230\u7279\u5b9a\u7684\u9519\u8bef\u4fe1\u606f\uff0c\u5982\u5c1d\u8bd5\u63d2\u5165\u91cd\u590d\u7684\u7528\u6237\u540d\u3002<\/p>\n\n\n\n
<\/p>\n<\/details>\n\n\n\n
@ExceptionHandler<\/summary>\n
@ExceptionHandler(SQLIntegrityConstraintViolationException.class)<\/code>\uff1a\u8fd9\u4e2a\u6ce8\u89e3\u6307\u660e\u4e86\u8fd9\u4e2a\u65b9\u6cd5\u7528\u4e8e\u5904\u7406\u00a0SQLIntegrityConstraintViolationException<\/code>\u00a0\u7c7b\u578b\u7684\u5f02\u5e38<\/p>\n<\/details>\n\n\n\n
SQLIntegrityConstraintViolationException\u662f\u4e00\u4e2a\u5f02\u5e38\u7c7b\uff0c\u5176message\u662fDuplicate entry \u2018zhangsan\u2019 for key ’employee.idx_username’    \u8fd9\u91cc\u8bf4\u660eemployee.idx_usename \u89e6\u53d1\u4e86\u6570\u636e\u5e93\u7684\u552f\u4e00\u7ea6\u675f\uff0c\u4e5f\u5c31\u662f\u8d26\u53f7\u662f\u552f\u4e00\u7684\u4e0d\u53ef\u91cd\u590d\uff0c <\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u679c\u7528\u6237\u767b\u5f55\u4e4b\u540e\uff0c\u8d26\u6237\u540d\u76f8\u540c\uff0c\u5c31\u4f1a\u63d0\u793a\u201c\u8d26\u53f7\u5df2\u5b58\u5728\u201d\u5426\u5219\u63d0\u793a\u201c\u672a\u77e5\u9519\u8bef\u201d\uff0c\u5728\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\u4e0a\u5b9e\u73b0 SQLInt […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[],"class_list":["post-121","post","type-post","status-publish","format-standard","hentry","category-javase","category-4"],"_links":{"self":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/comments?post=121"}],"version-history":[{"count":1,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/121\/revisions"}],"predecessor-version":[{"id":122,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/121\/revisions\/122"}],"wp:attachment":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/media?parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/categories?post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/tags?post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}