{"id":43990,"date":"2024-01-12T01:40:37","date_gmt":"2023-03-21T22:45:19","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%93%a5%e4%bc%a6%e6%af%94%e4%ba%9a%e5%a4%a7%e5%ad%a6%e7%9a%84%e5%a3%b0%e6%98%8e\/"},"modified":"2024-05-04T17:59:14","modified_gmt":"2024-05-04T09:59:14","slug":"%e5%93%a5%e4%bc%a6%e6%af%94%e4%ba%9a%e5%a4%a7%e5%ad%a6%e7%9a%84%e5%a3%b0%e6%98%8e","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%93%a5%e4%bc%a6%e6%af%94%e4%ba%9a%e5%a4%a7%e5%ad%a6%e7%9a%84%e5%a3%b0%e6%98%8e\/","title":{"rendered":"\u54e5\u4f26\u6bd4\u4e9a\u5927\u5b66\u7684\u58f0\u660e"},"content":{"rendered":"

\u6570\u7ec4\u3001\u6620\u5c04\u7684\u8303\u56f4<\/p>\n

\r\nfunc<\/span> main<\/span>(){<\/span>\r\n    l<\/span> :=<\/span> []<\/span>string<\/span>{<\/span>\"python\"<\/span>,<\/span> \"go\"<\/span>,<\/span> \"java\"<\/span>}<\/span>\r\n    for<\/span> i<\/span> :=<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> len<\/span>(<\/span>l<\/span>);<\/span> i<\/span>++<\/span>{<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>i<\/span>,<\/span> l<\/span>[<\/span>i<\/span>])<\/span>\r\n    }<\/span>\r\n\r\n    for<\/span> i<\/span>,<\/span> v<\/span> :=<\/span> range<\/span> l<\/span>{<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>i<\/span>,<\/span> v<\/span>)<\/span>\r\n    }<\/span>\r\n\r\n    for<\/span> _<\/span>,<\/span> v<\/span> :=<\/span> range<\/span> l<\/span>{<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>v<\/span>)<\/span>\r\n    }<\/span>\r\n\r\n    m<\/span> :=<\/span> map<\/span>[<\/span>string<\/span>]<\/span>int<\/span>{<\/span>\"apple\"<\/span>:<\/span> 100<\/span>,<\/span> \"banana\"<\/span>:<\/span> 200<\/span>,}<\/span>\r\n\r\n    for<\/span> k<\/span>,<\/span> v<\/span> :=<\/span> range<\/span> m<\/span>{<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>k<\/span>,<\/span> v<\/span>)<\/span>\r\n    }<\/span>\r\n\r\n    for<\/span> k<\/span> :=<\/span> range<\/span> m<\/span>{<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>k<\/span>)<\/span>\r\n    }<\/span>\r\n\r\n    for<\/span> _<\/span>,<\/span> v<\/span> :=<\/span> range<\/span> m<\/span>{<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>v<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u521b\u5efa\u548c\u5199\u5165\u65e5\u5fd7\u6587\u4ef6<\/p>\n
\r\nfunc<\/span> LoggingSettings<\/span>(<\/span>logFile<\/span> string<\/span>){<\/span>\r\n    logfile<\/span>,<\/span> _<\/span> :=<\/span> os<\/span>.<\/span>OpenFile<\/span>(<\/span>logFile<\/span>,<\/span> os<\/span>.<\/span>O_RDWR<\/span>|<\/span>os<\/span>.<\/span>O_CREATE<\/span>|<\/span>os<\/span>.<\/span>O_APPEND<\/span>,<\/span> 0666<\/span>)<\/span>\r\n    multilogFile<\/span> :=<\/span> io<\/span>.<\/span>MultiWriter<\/span>(<\/span>os<\/span>.<\/span>Stdout<\/span>,<\/span> logfile<\/span>)<\/span>\r\n    log<\/span>.<\/span>SetFlags<\/span>(<\/span>log<\/span>.<\/span>Ldate<\/span> |<\/span> log<\/span>.<\/span>Ltime<\/span> |<\/span> log<\/span>.<\/span>Lshortfile<\/span>)<\/span>\r\n    log<\/span>.<\/span>SetOutput<\/span>(<\/span>multilogFile<\/span>)<\/span>\r\n}<\/span>\r\n\r\n\r\nfunc<\/span> main<\/span>(){<\/span>\r\n    LoggingSettings<\/span>(<\/span>\"test.log\"<\/span>)<\/span>\r\n    _<\/span>,<\/span> err<\/span> :=<\/span> os<\/span>.<\/span>Open<\/span>(<\/span>\"abc.log\"<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span>{<\/span>\r\n        log<\/span>.<\/span>Fatalln<\/span>(<\/span>\"abc.log\u306a\u3093\u3066\u306a\u3044\u3067\u307b\u3093\u307e\u306b\"<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u60ca\u614c<\/p>\n
func<\/span> main<\/span>(){<\/span>\r\n    file<\/span>,<\/span> err<\/span> :=<\/span> os<\/span>.<\/span>Open<\/span>(<\/span>\".\/lesson.go\"<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatalln<\/span>(<\/span>\"Error\"<\/span>)<\/span>\r\n    }<\/span>\r\n    defer<\/span> file<\/span>.<\/span>Close<\/span>()<\/span>\r\n    data<\/span> :=<\/span> make<\/span>([]<\/span>byte<\/span>,<\/span> 100<\/span>)<\/span>\r\n    count<\/span>,<\/span> err<\/span> :=<\/span> file<\/span>.<\/span>Read<\/span>(<\/span>data<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatalln<\/span>(<\/span>\"Error\"<\/span>)<\/span>\r\n    }<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>count<\/span>,<\/span> string<\/span>(<\/span>data<\/span>))<\/span>\r\n\r\n    err<\/span> =<\/span> os<\/span>.<\/span>Chdir<\/span>(<\/span>\"hello\"<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span>{<\/span>\r\n        log<\/span>.<\/span>Fatalln<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span> else<\/span> {<\/span>\r\n        file<\/span>,<\/span> err<\/span> :=<\/span> os<\/span>.<\/span>Open<\/span>(<\/span>\".\/abc.go\"<\/span>)<\/span>\r\n        if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n            log<\/span>.<\/span>Fatalln<\/span>(<\/span>\"Error\"<\/span>)<\/span>\r\n        }<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>file<\/span>)<\/span>\r\n        defer<\/span> file<\/span>.<\/span>Close<\/span>()<\/span>\r\n        data<\/span> :=<\/span> make<\/span>([]<\/span>byte<\/span>,<\/span> 100<\/span>)<\/span>\r\n        count<\/span>,<\/span> err<\/span> :=<\/span> file<\/span>.<\/span>Read<\/span>(<\/span>data<\/span>)<\/span>\r\n        if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n            log<\/span>.<\/span>Fatalln<\/span>(<\/span>\"Error\"<\/span>)<\/span>\r\n        }<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>count<\/span>,<\/span> string<\/span>(<\/span>data<\/span>))<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5c06\u6587\u4ef6\u52a0\u8f7d\u5e76\u5728\u7ec8\u7aef\u4e2d\u663e\u793a<\/p>\n
func<\/span> thirdPartyConnectDB<\/span>(){<\/span>\r\n    panic<\/span>(<\/span>\"unable to connect DB!!\"<\/span>)<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> save<\/span>(){<\/span>\r\n    defer<\/span> func<\/span>(){<\/span>\r\n        s<\/span> :=<\/span> recover<\/span>()<\/span>\r\n        fmt<\/span>.<\/span>Println<\/span>(<\/span>s<\/span>)<\/span>\r\n    }()<\/span>\r\n    thirdPartyConnectDB<\/span>()<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> main<\/span>(){<\/span>\r\n    save<\/span>()<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>\"OK?\"<\/span>)<\/span>\r\n\r\n}<\/span>\r\n\u2018\u2018\u2018<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6570\u7ec4\u3001\u6620\u5c04\u7684\u8303\u56f4 func main(){ l := []string{“python”, “go”, “ja […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43990","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u54e5\u4f26\u6bd4\u4e9a\u5927\u5b66\u7684\u58f0\u660e - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u54e5\u4f26\u6bd4\u4e9a\u5927\u5b66\u7684\u58f0\u660e\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u54e5\u4f26\u6bd4\u4e9a\u5927\u5b66\u7684\u58f0\u660e\" \/>\n<meta property=\"og:description\" content=\"\u6570\u7ec4\u3001\u6620\u5c04\u7684\u8303\u56f4 func main(){ l := []string{"python", "go", "ja […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u54e5\u4f26\u6bd4\u4e9a\u5927\u5b66\u7684\u58f0\u660e\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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