{"id":42668,"date":"2024-12-01T10:17:40","date_gmt":"2024-12-01T02:17:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/42668\/"},"modified":"2024-12-01T10:17:40","modified_gmt":"2024-12-01T02:17:40","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88golang%e6%97%a0%e6%b3%95%e4%bb%8edefer%e5%87%bd%e6%95%b0%e8%b0%83%e7%94%a8%e7%9a%84%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84panic%e4%b8%ad%e6%81%a2%e5%a4%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/42668\/","title":{"rendered":"\u4e3a\u4ec0\u4e48golang\u65e0\u6cd5\u4ecedefer\u51fd\u6570\u8c03\u7528\u7684\u51fd\u6570\u4e2d\u7684panic\u4e2d\u6062\u590d"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u4e3a\u4ec0\u4e48golang\u65e0\u6cd5\u4ecedefer\u51fd\u6570\u8c03\u7528\u7684\u51fd\u6570\u4e2d\u7684panic\u4e2d\u6062\u590d<\/span><\/p>\n

\u4e3a\u4ec0\u4e48golang\u65e0\u6cd5\u4ecedefer\u51fd\u6570\u8c03\u7528\u7684\u51fd\u6570\u4e2d\u7684panic\u4e2d\u6062\u590d<\/h1>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-25 09:24:42<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u4e3a\u4ec0\u4e48golang\u65e0\u6cd5\u4ecedefer\u51fd\u6570\u8c03\u7528\u7684\u51fd\u6570\u4e2d\u7684panic\u4e2d\u6062\u590d\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9Golang<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60Golang<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

package main\n\nimport \"fmt\"\n\nfunc myrecover() {\n    if r := recover(); r != nil {\n        fmt.println(r)\n    }\n}\n\nfunc main() {\n    defer func() {\n        myrecover()\n    }()\n    panic(\"the gas price is skyrocketing!\")\n}\n<\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u65e0\u6cd5\u4ece\u6050\u614c\u4e2d\u6062\u590d\uff0c\u4f46\u4e0b\u9762\u7684\u4ee3\u7801\u5374\u53ef\u4ee5\u3002<\/p>\n
package main\n\nimport \"fmt\"\n\nfunc main() {\n    defer func() {\n        if r := recover(); r != nil {\n            fmt.Println(r)\n        }\n    }()\n    panic(\"The gas price is skyrocketing!\")\n}\n<\/pre>\n
\u8fd9\u592a\u4ee4\u4eba\u56f0\u60d1\u4e86\u3002\u6211\u60f3\u77e5\u9053\u4e3a\u4ec0\u4e48\u3002<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\uff1a<\/p>\n
\u5982\u679c\u6ee1\u8db3\u4ee5\u4e0b\u4efb\u4e00\u6761\u4ef6\uff0crecover \u7684\u8fd4\u56de\u503c\u4e3a nil\uff1a<\/p>\n
    \n
  • …<\/li>\n
  • recover \u672a\u7531\u5ef6\u8fdf\u51fd\u6570\u76f4\u63a5\u8c03\u7528\u3002<\/li>\n<\/ul>\n
    \u5728\u7b2c\u4e00\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5ef6\u8fdf\u51fd\u6570\u4e0d\u76f4\u63a5\u8c03\u7528 recover<\/code>\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0crecover<\/code> \u51fd\u6570\u59cb\u7ec8\u8fd4\u56de nil<\/code>\u3002<\/p>\n
    \u60a8\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u5ef6\u8fdf\u51fd\u6570\u6765\u4f7f\u7528myrecover<\/code>\u3002<\/p>\n
    func main() {\n    defer myRecover()\n    panic(\"The gas price is skyrocketing!\")\n}<\/pre>\n
    \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\u300a\u4e3a\u4ec0\u4e48golang\u65e0\u6cd5\u4ecedefer\u51fd\u6570\u8c03\u7528\u7684\u51fd\u6570\u4e2d\u7684panic\u4e2d\u6062\u590d\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5f53\u524d\u4f4d\u7f6e\uff1a > > > > \u4e3a\u4ec0\u4e48golang\u65e0\u6cd5\u4ecedefer\u51fd\u6570\u8c03\u7528\u7684\u51fd\u6570\u4e2d\u7684panic\u4e2d\u6062\u590d \u4e3a\u4ec0\u4e48golang\u65e0\u6cd5\u4ecedefer\u51fd\u6570\u8c03\u7528\u7684\u51fd\u6570\u4e2d\u7684panic\u4e2d\u6062\u590d \u6765\u6e90\uff1astackoverflow 2024-04-25 09:24:42 0\u6d4f\u89c8 \u6536\u85cf \u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u4e3a\u4ec0\u4e48golang\u65e0\u6cd5\u4ecedefer\u51fd\u6570\u8c03\u7528\u7684\u51fd\u6570\u4e2d\u7684panic\u4e2d\u6062\u590d\u300b\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9Golang\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60Golang\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01 \u95ee\u9898\u5185\u5bb9 package main import “fmt” func myrecover() { if r := recover(); r != nil { fmt.println(r) } } func main() { defer func() { myrecover() }() panic(“the gas price is skyrocketing!”) } \u4e0a\u9762\u7684\u4ee3\u7801\u65e0\u6cd5\u4ece\u6050\u614c\u4e2d\u6062\u590d\uff0c\u4f46\u4e0b\u9762\u7684\u4ee3\u7801\u5374\u53ef\u4ee5\u3002 package main import “fmt” func main() { defer […]<\/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-42668","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/42668","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=42668"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/42668\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=42668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=42668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=42668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}