{"id":466,"date":"2022-10-26T18:17:33","date_gmt":"2022-10-26T10:17:33","guid":{"rendered":"https:\/\/www.db2go.net\/?p=466"},"modified":"2022-10-26T18:17:33","modified_gmt":"2022-10-26T10:17:33","slug":"%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e7%9a%84%e7%bb%bc%e5%90%88%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.db2go.net\/?p=466","title":{"rendered":"\u5f02\u5e38\u5904\u7406\u7684\u7efc\u5408\u793a\u4f8b"},"content":{"rendered":"

\u770b\u4e00\u4e2a\u7efc\u5408\u793a\u4f8b\uff0c\u5173\u952e\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

defer func() {\n    r := recover()\n    if r == nil {\n        fmt.Println(\"\u6ca1\u6709\u5f02\u5e38\uff0c\u4ec0\u4e48\u90fd\u4e0d\u9700\u8981\u505a\uff0c\u8f93\u51fa\u8fd9\u4e2a\u539f\u56e0\u662f\u56e0\u4e3a\u51fd\u6570\u7ed3\u675f\u524d\u8c03\u7528\u4e86defer\uff01 \")\n        return\n    }\n\n    if err, ok := r.(error); ok {\n        log.Println(\"\u8bb0\u5f55\u9519\u8bef\u53d1\u751f\uff0c\u9519\u8bef\u5185\u5bb9\u4e3a\uff1a\", err)\n        \/\/\u8fd9\u91cc\u5c31\u53ef\u4ee5\u6a21\u62df\u5c06\u9519\u8bef\u4fe1\u606f\u53d1\u9001\u7ed9\u7ba1\u7406\u5458\n    \/\/sendEmail2Admin(err)\n    } else {\n        panic(fmt.Sprintf(\"\u4e0d\u662f\u9519\u8bef\uff0crecover\u7684\u7c7b\u578b\u662f\uff1a %v\", r))\n    }\n}()\n<\/code><\/pre>\n
\u5728defer\u4ee3\u7801\u5757\u4e2d\uff0c\u4f7f\u7528\u533f\u540d\u51fd\u6570\u6765\u5904\u7406\u76f8\u5e94\u7684\u903b\u8f91\u3002\u9996\u5148\u83b7\u53d6recover()<\/code>\uff0c\u5982\u679c\u83b7\u53d6\u5230\u7684recover()<\/code>\u4e3anil\uff0c\u8bf4\u660e\u6ca1\u6709\u5f02\u5e38\uff0c\u4ec5\u4ec5\u662f\u51fd\u6570\u7ed3\u675f\u524d\u8c03\u7528\u4e86defer\u6808\u4e2d\u7684\u4ee3\u7801\u3002 \u56e0\u4e3arecover()<\/code>\u662f\u63a5\u53e3\u7c7b\u578b\uff0c\u5bf9\u5b83\u505a\u63a5\u53e3\u7c7b\u578b\u65ad\u8a00r.(error)<\/code>\uff0c\u5f53\u5b83\u7684\u7c7b\u578b\u4e3aerror\u65f6\uff0c\u8f93\u51fa\u8fd9\u4e2a\u9519\u8bef\u7684\u4fe1\u606f\uff0c\u5e76\u6a21\u62df\u53d1\u9001\u90ae\u4ef6\u7ed9\u7ba1\u7406\u5458\u3002\u5982\u679c\u4e0derror\u7c7b\u578b\u65f6\uff0c\u5219\u8f93\u51fa\u8fd9\u4e2arecover()<\/code>\u7684\u771f\u6b63\u7c7b\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u770b\u4e00\u4e2a\u7efc\u5408\u793a\u4f8b\uff0c\u5173\u952e\u4ee3\u7801\u5982\u4e0b\uff1a defer func() { r := recover() if r == n…<\/p>\n Read More<\/span> \u5f02\u5e38\u5904\u7406\u7684\u7efc\u5408\u793a\u4f8b<\/span><\/a>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"Layout":"","footnotes":""},"categories":[12],"tags":[],"class_list":["entry","author-suredandan","post-466","post","type-post","status-publish","format-standard","category-golang"],"views":1614,"_links":{"self":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=466"}],"version-history":[{"count":1,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/466\/revisions"}],"predecessor-version":[{"id":467,"href":"https:\/\/www.db2go.net\/index.php?rest_route=\/wp\/v2\/posts\/466\/revisions\/467"}],"wp:attachment":[{"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.db2go.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}