{"id":156375,"date":"2020-09-17T16:14:51","date_gmt":"2020-09-17T08:14:51","guid":{"rendered":"http:\/\/4563.org\/?p=156375"},"modified":"2020-09-17T16:14:51","modified_gmt":"2020-09-17T08:14:51","slug":"%e7%9c%8b%e5%88%b0%e5%a5%bd%e5%a4%9a%e4%ba%ba%e5%90%90%e6%a7%bd-golang-%e7%9a%84%e9%94%99%e8%af%af%e5%a4%84%e7%90%86%ef%bc%8c%e4%bd%86%e6%88%91%e7%94%a8%e7%9a%84%e5%be%88%e7%88%bd%e5%95%8a","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=156375","title":{"rendered":"\u770b\u5230\u597d\u591a\u4eba\u5410\u69fd golang \u7684\u9519\u8bef\u5904\u7406\uff0c\u4f46\u6211\u7528\u7684\u5f88\u723d\u554a"},"content":{"rendered":"
\n
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\n

\u770b\u5230\u597d\u591a\u4eba\u5410\u69fd golang \u7684\u9519\u8bef\u5904\u7406\uff0c\u4f46\u6211\u7528\u7684\u5f88\u723d\u554a <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : dafsic <\/span> <\/i> 7<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

golang \u7684\u9519\u8bef\u5904\u7406\uff0c\u6211\u4e4b\u524d\u4e5f\u5410\u69fd\uff0c\u4f46\u4ece 1.13 \u5f00\u59cb\u5427\u5c31\u633a\u597d\u7528\u4e86\u3002 \u4e4b\u524d\u5410\u69fd\u70b9\uff1a<\/p>\n

    \n
  1. \u5982\u679c\u5e95\u5c42\u51fd\u6570\u51fa\u9519\uff0c\u53ea\u5728\u4e0a\u5c42\u6253\u5370\u9519\u8bef\u4fe1\u606f\uff0c\u4f1a\u4e22\u5931\u8c03\u7528\u6808\uff0c\u4e0d\u77e5\u9053\u6700\u5f00\u59cb\u7684\u9519\u8bef\u53d1\u751f\u5728\u54ea\u91cc\u3002<\/li>\n
  2. \u5982\u679c\u901a\u8fc7\u5b57\u7b26\u4e32\u8ffd\u52a0\u7684\u65b9\u5f0f\uff0c\u52a0\u5165\u8c03\u7528\u6808\u4fe1\u606f\uff0c\u90a3\u4e48\u9519\u8bef\u7c7b\u578b\u4f1a\u4e22\u5931\uff0c\u65e0\u6cd5\u50cf if err == io.EOF \u8fd9\u6837\u5224\u65ad\u662f\u4ec0\u4e48\u9519\u8bef\u3002<\/li>\n<\/ol>\n

    \u73b0\u5728\u5df2\u7ecf\u4e0d\u662f\u95ee\u9898\u4e86\u3002<\/p>\n

    \/\/ LineInfo \u8fd4\u56de\u8c03\u7528\u6b64\u51fd\u6570\u7684\u4ee3\u7801\u6240\u5728\u51fd\u6570\u3001\u6587\u4ef6\u3001\u884c\u53f7 \/\/ \u6b64\u51fd\u6570\u5e94\u8be5\u5728\u4e00\u4e2a\u5355\u72ec\u7684\u6587\u4ef6\u4e2d\uff0c\u6bd4\u5982\uff0cutils\/getlineinfo.go func LineInfo() string {  function := \"xxx\"  pc, file, line, ok := runtime.Caller(1)  if !ok {   file = \"???\"   line = 0  }  function = runtime.FuncForPC(pc).Name()  return fmt.Sprintf(\" -> %s():%s:%d\", function, file, line) }  var ErrAuth = errors.New(\"auth error\") var ErrAccount = fmt.Errorf(\"%w: account not exist\", ErrAuth) var ErrPassword = fmt.Errorf(\"%w: incorrect password\", ErrAuth)  func login(acc, pwd string) (string, error) {  if acc != \"libai\" {   return \"\", ErrAccount  }  if pwd != \"123456\" {   return \"\", ErrPassword  }   return fmt.Sprintf(\"key:AC34cvG-%d\", time.Now().Unix()), nil }  func getInfo(acc, pwd string) (string, error) {  key, err := login(acc, pwd)  if err != nil { \/\/ login \u7684\u9519\u8bef   return \"\", fmt.Errorf(\"%w%s\", err, LineInfo())  }   \/\/ \u6253\u5f00\u4e0b\u9762\u7684\u6ce8\u91ca\u5c31\u4f1a\u662f key \u8fc7\u671f  \/\/time.Sleep(time.Second)   msg, err := getIntro(key)  if err != nil { \/\/ key \u9519\u8bef   return \"\", fmt.Errorf(\"%w%s\", err, LineInfo())  }   return msg, nil }  var ErrKey = errors.New(\"invalid key\")  func getIntro(key string) (string, error) {  if key != fmt.Sprintf(\"key:AC34cvG-%d\", time.Now().Unix()) {   return \"\", ErrKey  }   return \"\u674e\u767d\uff0c\u53f7\u9752\u83b2\u5c45\u58eb\", nil }  func main() {  info, err := getInfo(\"libai\", \"123456\")  if err != nil && errors.Is(err, ErrAuth) { \/\/ \u65e0\u8bba\u8d26\u53f7\u9519\u8bef\u8fd8\u662f\u5bc6\u7801\u9519\u8bef\uff0c\u90fd\u662f\u8ba4\u8bc1\u9519\u8bef   fmt.Printf(\"[info]%sn\", err.Error())  } else if err != nil {   fmt.Printf(\"[error]:%sn\", err.Error())  }   fmt.Println(info) }  <\/code><\/pre>\n<\/p><\/div>\n
     \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (70<\/span>)        <\/div>\n
     <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
      \n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : ruanimal <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u4e0d\u53ef\u5426\u8ba4\uff0cif err != nil \u5bfc\u81f4\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u53d8\u5dee\uff0c\u5f02\u5e38\u5904\u7406\u7684\u903b\u8f91\u548c\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801\u6df7\u6742\u5728\u4e00\u8d77                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : z0wjqnxi <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u4f60\u8bf4\u7684\u4e24\u4e2a\u70b9\uff0c\u7b2c\u4e09\u65b9\u7684 errors \u5305\u90fd\u5df2\u7ecf\u8db3\u591f\u597d\u7528\uff0c\u73b0\u5728\u7684\u7248\u672c\uff0cgo \u81ea\u5e26\u7684 error.Is()\uff0c \u5224\u65ad\u9519\u8bef\u7c7b\u578b\u4e5f\u591f\u7528\u4e86\u3002<\/p>\n
      \u6211\u89c9\u5f97\u73b0\u5728\u6700\u5927\u7684\u75db\u70b9\u5e94\u8be5\u662f\u8981\u5199\u4e00\u5806\u2018 if err!= nil {}\u2019 \uff0c\u4ee3\u7801\u5757\u91cc\u53ef\u80fd\u6709\u5f88\u591a\u91cd\u590d\u7684\u9519\u8bef\u5904\u7406\u903b\u8f91\u8fd8\u4e0d\u597d\u62bd\u79bb\u5c01\u88c5\uff0c \u4e3a\u4e86\u5c11\u5199\u8fd9\u4e9b\u91cd\u590d\u903b\u8f91\uff0c\u793e\u533a\u8bb8\u591a\u4eba\u63a8\u8350\u7528 defer\uff0c\u73b0\u5728\u6211\u5076\u5c14\u7528 goto \u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : sryanyuan <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5199\u60ef c\/c++\u7684\u8868\u793a\u9519\u8bef\u7801\u5f88\u6b63\u5e38\uff0c\u666e\u901a\u9519\u8bef\uff0c\u6bd4\u5982\u6587\u4ef6\u627e\u4e0d\u7740\u8fd9\u79cd\uff0c\u4e0d\u7b97\u5f02\u5e38\uff0c\u5c31\u8fd4\u56de\u4e00\u4e2a errorcode \u4e0a\u5c42\u7ee7\u7eed\u5904\u7406\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u7ee7\u7eed\u6b63\u5e38\u8fd0\u884c
      \u78b0\u5230\u5404\u79cd\u5f02\u5e38\uff0c\u76f4\u63a5\u5d29\u6e83\u4e86\u5c31\u5f97\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : damngood <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @ruanimal \u611f\u89c9\u662f\u5404\u6709\u5404\u7684\u597d\u5904, \u5c31\u5730\u5904\u7406\u8fd8\u662f\u5728 catch \u5757\u5904\u7406.                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @z0wjqnxi \u6211\u89c9\u5f97\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u66f4\u91cd\u8981\uff0c\u6709\u65f6\u5019\u4e00\u4e2a\u529f\u80fd\u4f1a\u7528\u5230\u53e6\u4e00\u4e2a\u529f\u80fd\u7684\u90e8\u5206\u51fd\u6570\uff0c\u6211\u53ef\u80fd\u4f1a\u901a\u8fc7\u590d\u5236\u4ee3\u7801\u7684\u65b9\u5f0f\uff0c\u4f7f\u4e24\u4e2a\u529f\u80fd\u51cf\u5c11\u8054\u7cfb\u3002\u529f\u80fd\u5212\u5206\u7684\u5408\u7406\uff0c\u53ef\u80fd\u4e00\u4e2a\u51fd\u6570\u91cc\u53ea\u6709\u4e00\u4e24\u4e2a if err != nil{}\u7684\u5730\u65b9\uff0c\u4e00\u70b9\u4e0d\u5f71\u54cd\u9605\u8bfb\u548c\u7f8e\u611f\uff0c\u6bcf\u4e2a\u9519\u8bef\u5904\u7406\u903b\u8f91\u975e\u5e38\u6e05\u6670\uff0c\u53cd\u800c\u66f4\u4f18\u96c5\u3002\u800c\u4e14\u4e0d\u662f\u6240\u6709\u7684\u9519\u8bef\u90fd\u8981\u5904\u7406\uff0c\u4fe1\u4efb\u8fb9\u754c\u7684\u95ee\u9898\u3002\u603b\u4e4b\uff0c\u8fd9\u662f\u56e0\u4eba\u800c\u5f02\u7684\uff0c\u4e0d\u662f\u666e\u9002\u7684\uff0c\u53d7\u4eba\u751f\u89c2\u4ef7\u503c\u89c2\u7684\u54f2\u5b66\u8303\u7574\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : MadbookPro <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6ca1\u89c9\u5f97 if err != nil \u6709\u54ea\u91cc\u4e0d\u723d\u3002\u3002 \u4e00\u76f4\u5199 lua \u4e5f\u662f\u8fd9\u4e48\u5904\u7406\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : relic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   rust \u7684?\u624d\u662f\u771f\u9999                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : zsdroid <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u8fd9\u4e0d\u662f\u53cd\u4eba\u7c7b\u5417\uff1f\u8fd4\u56de\u9519\u8bef\u65f6\u9700\u8981\u540c\u65f6\u8fd4\u56de\u5176\u4ed6\u975e\u9519\u8bef\u7684\u8fd4\u56de\u503c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : zoffy <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u901a\u5e38\u6765\u8bf4\uff0c\u4ee3\u7801\u8868\u8fbe\u8981\u4fdd\u6301\u6b63\u5411\u8bed\u4e49\uff1aisXXX \u3001==<\/p>\n
      \u5c11\u6570\u8868\u8fbe\u53ef\u4ee5\u4f7f\u7528\u53cd\u5411\u8bed\u4e49\uff1adisabled \u3001prevent \u3001ignore                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : heiheidewo <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u633a\u597d\u7528\u7684\uff0c\u6709\u5fc5\u8981\u5f3a\u5236\u68c0\u67e5\u63a5\u53e3\u8fd4\u56de\u7684\u6b63\u786e\u6027                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : zhuangzhuang1988 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5f00\u5fc3\u5c31\u597d                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @zsdroid \u5144\u5f1f\uff0c\u4f60\u4ee3\u8868\u4e0d\u4e86\u5168\u4eba\u7c7b\uff0c\u5bf9 windows \u7528\u6237\u6765\u8bf4\uff0clinux \u53cd\u4eba\u7c7b\u5427\u3002\u56e0\u4eba\u800c\u5f02\u7684\u4e1c\u897f\u4e0d\u503c\u4e00\u63d0\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u4ffa\u5bfb\u601d\u8fd9\u548c .then(good, bad) \u4e00\u6837\u5427
      JavaScript \u5df2\u7ecf\u5feb\u8fdb\u5230\u4e0b\u4e00\u6b65\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : zjsxwc <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u8fd8\u4e0d\u5982\u76f4\u63a5\u6284 rust \u7684 Result<Ok, Err> \u914d\u5408 \uff1f\u5b8f \u6a21\u5f0f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : zsdroid <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic \u56e0\u4eba\u800c\u5f02\u7684\u4e1c\u897f\u4e0d\u503c\u4e00\u63d0\uff1f\u90a3\u4f60\u53d1\u5e16\u7684\u4e1c\u897f\u5c31\u4e0d\u662f\u56e0\u4eba\u800c\u5f02\u4e86\uff1f\u8fd9\u53cc\u6807\u771f\u725b\u903c\uff01\uff01\uff01\uff01\uff01                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : CosimoZi <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u8bf4\u4e86\u591a\u5c11\u6b21, \u5e94\u8be5\u5b9e\u73b0\u4e3a coproduct \u7684\u4e1c\u897f, \u6123\u662f\u5b9e\u73b0\u6210\u4e86 product. \u771f\u662f\u628a\u7c7b\u578b\u7cfb\u7edf\u5582\u4e86\u72d7\u4e86.                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : wysnylc <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @zsdroid #15 \u4ed6\u5373\u4e16\u754c\u4e2d\u5fc3                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : cmdOptionKana <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5f88\u723d\u5012\u4e0d\u81f3\u4e8e\uff0c\u591a\u6570\u4eba\u4f1a\u6709\u70b9\u5c0f\u70e6\uff0c\u4f46\u95ee\u9898\u4e0d\u662f\u5f88\u4e25\u91cd\uff0c\u4e3b\u8981\u662f golang \u69fd\u70b9\u592a\u5c11\uff0c\u624d\u7ecf\u5e38\u6709\u4eba\u63d0\u8d77\u8fd9\u4e2a\u5c0f\u7f3a\u70b9\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @zsdroid 1.\u6211\u8bf4\u7684\u4e0d\u662f if err != Nil \u7684\u95ee\u9898\u30022, \u4f60\u53ef\u4ee5\u8bf4\u4f60\u4e0d\u559c\u6b22\uff0c\u53cd\u4eba\u7c7b\uff1f\u4f60\u4e0d\u914d\u3002\u4e0d\u518d\u56de\u590d\u4f60\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @cmdOptionKana \u300a\u5c0f\u7f3a\u70b9\u300b
      https:\/\/twitter.com\/bitemyapp\/status\/832321765091205120                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u770b\u4e0a\u53bb\u662f\u7c7b\u4f3c\u53cd\u5c04\u7684\u673a\u5236\u5b9e\u73b0\uff1f
      \u751a\u81f3\u5199\u6cd5\u4e0a\u4e0d\u5982 C \u5b8f\u4f18\u96c5\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : ZSeptember <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5199\u5206\u5e03\u5f0f\u6216\u8005\u4e00\u81f4\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f\uff0cGolang \u7684\u8fd9\u79cd\u9519\u8bef\u5904\u7406\u662f\u5f88\u723d\u7684\u3002
      \u6bcf\u4e00\u6b65\uff0c\u90fd\u8981\u8003\u8651\u600e\u4e48\u5904\u7406\uff0c\u5982\u679c\u7528\u5f02\u5e38\uff0c\u624d\u662f\u771f\u6b63\u7684\u53cd\u4eba\u7c7b\u3002
      \u5f53\u7136\uff0c\u5199\u4e00\u822c\u7684\u4e1a\u52a1\u4ee3\u7801\uff0c\u81ea\u7136\u662f\u5f02\u5e38\u723d\uff0c\u76f4\u63a5\u629b\u51fa\u53bb\uff0c\u5728\u9876\u5c42\u6355\u83b7\u5904\u7406\u5c31\u53ef\u4ee5\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : lance6716 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u629b\u5f02\u5e38\u4e0d\u5c31\u662f panic \u5417                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : yamasa <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u8fd8\u662f\u89c9\u5f97 rust \u90a3\u6837\u7684\u6700\u4f18\u96c5                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : pmispig <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   if err \u6ca1\u4ec0\u4e48\u4e0d\u723d \uff0c\u4e0d\u723d\u7684\u662f\u9700\u8981\u9519\u8bef\u4fe1\u606f\u81ea\u5df1\u624b\u52a8\u62fc\u63a5\uff0c\u5c42\u5c42\u4e0a\u4f20\uff0c\u624d\u80fd\u4f20\u5230\u9876\u5c42                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : chengxiao <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u521a\u5f00\u59cb\u5199\u7684\u65f6\u5019\u89c9\u5f97\u5f88\u4e0d\u723d\uff0c\u4f46\u662f\u5199\u4e45\u4e86\u7a81\u7136\u4e0d\u5199\u4e86\u4f1a\u611f\u89c9\u5f88\u614c…..\u6015\u6f0f\u9519                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : kuro1 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6bcf\u4e00\u4e2a err \u90fd\u5904\u7406\uff0c\u5fc3\u667a\u8d1f\u62c5\u5f88\u5c0f~                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : HiShan <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u770b\u5230\u597d\u591a\u4eba\u5410\u69fd Java \u5570\u55e6\uff0c\u4f46\u6211\u7528\u7684\u723d\u554a.                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : virusdefender <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u540c\u6837\u5199\u7684\u5f88\u723d\uff0c\u89c9\u5f97\u867d\u7136 if err != nil \u786e\u5b9e\u6709\u4e9b\u7e41\u7410\uff0c\u4f46\u662f\u4e5f\u8fd8\u597d\u3002<\/p>\n
      \u6700\u8fd1\u5199 lua\uff0c\u56e0\u4e3a\u592a\u5bb9\u6613\u51fa bug \u4e86\uff0c\u73b0\u5728\u7528 https:\/\/github.com\/teal-language\/tl\/ \u52a0\u4e00\u4e9b\u81ea\u5b9a\u4e49\u7684\u7c7b\u578b\uff0c\u57fa\u672c\u4e0a\u548c\u5199 go \u6ca1\u5565\u533a\u522b\u4e86\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : buffzty <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   C \u8bed\u8a00\u4e0d\u4e5f\u662f\u8fd9\u6837\u5904\u7406\u7684\u5417? \u90a3\u4e9b\u5410\u69fd\u7684\u662f\u6ca1\u7528\u8fc7 c \u5417?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : monkeyWie <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5176\u5b9e\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u9519\u8bef\u5904\u7406\u90fd\u662f\u5411\u5916\u629b
      “`
      err := case1()
      if err!=nil{
       return nil,err
      }<\/p>\n
      err := case2()
      if err!=nil{
       return nil,err
      }<\/p>\n
      doSome()
      “`
      \u7528 try catch \u7684\u8bdd\u53ea\u7528\uff1a
      “`
      try{
       case1()
       case2()
       doSome()
      }catch(e){
       throw e
      }
      “`<\/p>\n
      \u8fd9\u4e0d\u662f\u9ad8\u4e0b\u7acb\u5224\u5417\uff1f                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : pisc <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u8fd9\u4e1c\u897f\u5c31\u5c5e\u4e8e taste \u7684\u95ee\u9898\uff0c\u800c taste \u7684\u95ee\u9898\u5f80\u5f80\u662f\u56e0\u4e3a\u89c1\u7684\u5c11\uff0c\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4e0d\u76f8\u4fe1\u4e00\u4e2a\u5199\u4e60\u60ef Haskell \uff08\u8fd8\u6709\u5176\u4ed6\u62bd\u8c61\u7a0b\u5ea6\u8db3\u591f\u9ad8\u7684\u8bed\u8a00\uff09\u7684\u4eba\uff0c\u4f1a\u5bf9 Go \u7684\u9519\u8bef\u5904\u7406\u611f\u5230\u6ee1\u610f\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : sagaxu <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @monkeyWie \u4f46\u662f\u5f02\u5e38\u5f15\u5165\u4e86\u5176\u5b83\u95ee\u9898<\/p>\n
      1. \u6784\u9020\u6790\u6784\u51fd\u6570\u91cc\u80fd\u4e0d\u80fd\u629b\uff0c\u600e\u4e48\u5904\u7406
      2. checked exception vs unchecked exception
      3. finally \u4e2d\u4fee\u6539\u4e86\u8fd4\u56de\u503c\uff0c\u4f1a\u4e0d\u4f1a\u751f\u6548
      4. \u6027\u80fd\u95ee\u9898\uff0c\u5f02\u5e38\u6bd4\u8fd4\u56de\u503c\u6162\u7684\u591a
      5. \u5fd8\u8bb0\u5904\u7406\u5f02\u5e38\uff0c\u6216\u8005\u5904\u7406\u4e0d\u5f53                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : blless <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @monkeyWie \u5728 Java \u91cc\u9762\u5176\u5b9e\u4e5f\u5f88\u5bb9\u6613\u65e0\u8111 catch \u5c24\u5176\u662f\u5bf9\u65b0\u624b\uff0c\u7ed9\u7a0b\u5e8f\u57cb\u4e0b\u66f4\u5927\u7684\u9690\u60a3                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @monkeyWie \u90a3\u6211\u95ee\u4e00\u4e2a\u95ee\u9898\uff0c\u4e00\u4e2a\u51fd\u6570\u91cc\u9700\u8981\u5b57\u7b26\u4e32\u8f6c\u6574\u578b\u7684\u529f\u80fd\uff0c\u5982\u679c\u5b57\u7b26\u4e32\u4e0d\u662f\u6574\u6570\u5b57\u7b26\u4e32\uff0c\u5c31\u5f53\u4f5c 0 \u6765\u5904\u7406\u600e\u4e48\u5b9e\u73b0\u3002\u73b0\u5b9e\u4e2d\u6211\u6709\u8bb8\u591a\u7c7b\u4f3c\u7684\u9700\u6c42\uff0cgolang \u5b9e\u73b0\u5982\u4e0b\uff1a
      “`
      func foo(index string) {
       i, _ := strconv.Atoi(index)
       \/\/ \u5ffd\u7565\u9519\u8bef\uff0c\u7ee7\u7eed\u5904\u7406\uff0c\u6bd4\u5982\u6570\u636e\u5e93\u67d0\u4e2a\u5b57\u6bb5\u9ed8\u8ba4\u662f 0
      }<\/p>\n
      “`
      \u7528\u629b\u51fa\u5f02\u5e38\u7684\u65b9\u5f0f\u600e\u4e48\u5b9e\u73b0\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : Nugine0 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   rust \u7528\u95ee\u53f7\u8fd0\u7b97\u7b26\u548c\u5f02\u5e38\u5dee\u4e0d\u591a\u723d\uff0c\u8981\u4e25\u683c\u5904\u7406\u9519\u8bef\u53ef\u4ee5\u5f53\u573a\u5224\u65ad\uff0c\u80fd\u786e\u4fdd\u9519\u8bef\u88ab\u5904\u7406\uff0c\u4e0a\u4e0b\u90fd\u6db5\u76d6\u4e86\u3002
      C \u8fd8\u80fd\u7528\u5b8f\uff0cgo \u600e\u4e48\u5077\u61d2\uff1f\u6ca1\u6cd5\u5077\u61d2\u4e0d\u5c31\u662f\u53cd\u4eba\u7c7b\u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @Nugine0 \u4e2d\u5bab\u98de\u51fa\u4e7e\uff0c\u6b21\u4e0e\u5151\u826e\u8fde\uff0c \u79bb\u574e\u63a5\u5764\u4f4d\uff0c\u9707\u5faa\u5dfd\u5165\u4e2d\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : Nugine0 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic \u00bf                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : sagaxu <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic <\/p>\n
      “123”.toIntOrNull() ?: 0                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : damngood <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @pisc go \u7684 taste \u6bd4\u8f83\u53e6\u7c7b\u70b9\u800c\u5df2, \u6216\u8005\u4f5c\u8005\u89c9\u5f97\u76f4\u767d\u591f simple \u4e5f\u662f\u4e00\u79cd good taste. <\/p>\n
      \u53e6\u5916, \u6487\u5f00 taste, \u6574\u4f53\u6765\u8bf4 go \u7528\u6765\u505a\u4e8b\u60c5\u6211\u4e2a\u4eba\u8fd8\u662f\u6bd4\u8f83\u6ee1\u610f\u7684.                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : crclz <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   golang \u9519\u8bef\u5904\u7406\u9002\u5408\u4e00\u822c\u7684\u56e2\u961f\uff0c\u56e2\u961f\u6210\u5458\u5c42\u6b21\u4e0d\u9f50\u7684\u60c5\u51b5\u4e0b\u4f9d\u7136\u4fdd\u8bc1\u4e0d\u4f1a\u5728\u9519\u8bef\u5904\u7406\u4e0a\u9762\u51fa\u91cd\u5927\u95ee\u9898\u3002
      java \u5f02\u5e38\u4f1a\u88ab\u53c2\u5dee\u4e0d\u9f50\u7684\u5f00\u53d1\u4eba\u5458\u6ee5\u7528\u3002\u6240\u4ee5\uff0c\u53ea\u6709\u90a3\u4e9b\u771f\u6b63\u7406\u89e3\u5f02\u5e38\u5e76\u6b63\u786e\u4f7f\u7528\u5f02\u5e38\u7684\u4eba\uff0c\u624d\u6709\u6743\u5229\u8bf4 java \u5f02\u5e38\u7528\u5f97\u723d\u3001go \u7684\u7e41\u7410\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : Jirajine <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @cmdOptionKana golang \u69fd\u70b9\u592a\u5c11\uff1f\u4f60\u600e\u4e48\u597d\u610f\u601d\u8bf4\u3002
      \u9519\u8bef\u5904\u7406\u3001\u6cdb\u578b\u3001duck typing \u3001\u7f16\u8bd1\u65f6\u4e0d\u4e25\u683c\u68c0\u67e5\u3001\u96f6\u503c\u521d\u59cb\u5316\u3001\u5173\u952e\u8bcd\u8fc7\u5ea6\u590d\u7528\u3001unused variable\/import \u8be5\u662f warning \u975e\u8981\u5f53 error\uff0c\u7b49\u7b49\u3002\u7f51\u7edc\u4e0a\u6210\u5343\u4e0a\u4e07\u5b57\u6279\u5224 go \u7684\u6587\u7ae0\u4e00\u5927\u5806\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : wamson <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5199\u8fc7\u4e00\u4e2a\u6708 go\uff0c\u8fd8\u662f\u6ca1 python \u5199\u5f97\u723d\uff0c\u5f03\u4e86\uff0c\u8981\u6027\u80fd\u7684\u8bdd\u6211\u5c31\u5199 cpp\uff0c\u518d\u7528 py \u8c03\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : pisc <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @damngood \u4f60\u8bf4\u4f60\u89c9\u5f97\u6ee1\u610f\u6ca1\u95ee\u9898\uff0c\u6bd5\u7adf\u4eba\u561b\u81ea\u5df1\u81ea\u5df1\u770b\u7740\u8212\u670d\u6700\u91cd\u8981\uff0c\u4f46\u5b83\u54ea\u91cc\u79f0\u5f97\u4e0a\u201c\u53e6\u7c7b\u201d\uff1f\u8fd9\u73a9\u610f\u513f\u9664\u4e86\u7a81\u51fa\u4e00\u4e2a\u7b80\u5355\u65e0\u8111\uff0c\u6211\u770b\u4e0d\u51fa\u6709\u53e6\u7c7b\u7684\u5730\u65b9\uff0c\u62ff product type \u6765\u8868\u73b0\u5929\u7136 union \u7ed3\u6784\u7684\u4e1c\u897f\uff0c\u5982\u679c\u8fd9\u4e5f\u7b97\u662f good taste \u7684\u8bdd\u3002\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : damngood <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @pisc \u6211\u610f\u601d\u662f\u4f5c\u8005\u4ece\u53e6\u5916\u4e00\u4e2a\u89d2\u5ea6\u53bb\u770b\u5f85\u4f60\u8bf4\u7684 taste, \u6216\u8bb8\u4ed6\u4eec\u8ba4\u4e3a\u8fd9\u79cd c \u7c7b\u4f3c\u7684\u65b9\u5f0f\u6bd4\u8f83\u7b80\u5355\u76f4\u767d\u6240\u4ee5\u7b97 good taste? \u6bd5\u7adf go \u7684\u53e3\u53f7\u4e4b\u4e00\u5c31\u662f simple and straight.<\/p>\n
      \u53e6\u5916 taste \u8fd9\u4e2a\u4e1c\u897f\u548c\u522b\u7684\u4e1c\u897f\u6743\u8861\u4e0b\u6765\u6216\u8bb8\u4e5f\u6ca1\u6709\u90a3\u4e48\u91cd\u8981? \u5f53\u7136\u5982\u679c\u6709\u79cd\u5b8c\u7f8e\u8bed\u8a00\u53c8\u6709 taste \u53c8\u5de5\u7a0b\u6027\u5f88\u9ad8\u6709\u7b80\u5355\u4e0a\u624b, \u90a3\u5f53\u7136\u662f\u6700\u597d\u4e0d\u8fc7\u4e86. \u4e0d\u8fc7\u76ee\u524d\u770b\u4e0b\u6765 swift \u4e2a\u5404\u65b9\u9762\u6743\u8861\u4e0d\u9519\u7684, \u53ea\u4e0d\u8fc7\u6846\u5728 apple \u7684\u751f\u6001\u4e86, \u5176\u4ed6\u9886\u57df\u8fd8\u8fdc\u7740…                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : chenqh <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic \u5982\u679c\u662f python
      try:
       v = int(param_str)
      except ValueError:
       v = 0
      return 0                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : nuk <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u9664\u4e86\u6ca1\u6709\u8c03\u7528\u6808\uff0c\u552f\u4e00\u7684\u7f3a\u70b9\u5c31\u662f\u6709\u70b9\u9ebb\u70e6
      \u4e00\u822c if err !=nil \u5728\u6211\u5199\u7684 go \u91cc\u9762\u8981\u5360\u4e00\u534a\u5de6\u53f3
      \u66fe\u7ecf\u6211\u4e5f\u89c9\u5f97\u6ca1\u6709\u8c03\u7528\u6808\u8c03\u8bd5\u4f1a\u6bd4\u8f83\u9ebb\u70e6
      \u4e0d\u8fc7\u4e8b\u5b9e\u8bc1\u660e\u53ea\u8981 error \u5199\u7684\u591f\u8be6\u7ec6
      \u57fa\u672c\u4e0a\u9519\u8bef\u6253\u5370\u51fa\u6765\u5c31\u80fd\u5927\u6982\u77e5\u9053\u600e\u4e48\u53d1\u751f\u7684\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : jiangzm <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u540c\u6837\u662f google \u5f00\u53d1\u7684\u7f16\u7a0b\u8bed\u8a00\uff0cdart \u6bd4 golang \u770b\u7740\u987a\u773c\u591a\u4e86
      \u56e0\u4e3a\u8981\u7ef4\u62a4\u4e00\u4e2a golang \u9879\u76ee\uff0c\u5b66\u4e86\u70b9\u76ae\u6bdb\uff0c\u7ed9\u6211\u7684\u611f\u89c9\u662f golang \u5728\u8bed\u8a00\u7279\u6027\u65b9\u9762\u4e3a\u4e86\u533a\u522b\u800c\u533a\u522b\uff0c\u770b\u7740\u4e0d\u4f26\u4e0d\u7c7b\u7684\u611f\u89c9\u3002
      \u4e0d\u8fc7\u5bf9\u4e8e go \u4e3b\u529b\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u770b\u591a\u4e86\u5e94\u8be5\u4e5f\u4e60\u60ef\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : YzSama <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @HiShan #28 \u6709\u4e00\u8bf4\u4e00\uff0c\u6211\u4e5f\u89c9\u5f97 Java \u5f02\u5e38\u5904\u7406\u4e5f\u5f88\u723d\u3002<\/p>\n
      \u4e0d\u8fc7\uff0c\u6211\u89c9\u5f97 Go \u7684\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u65e2\u7136\u73b0\u5728\u53ef\u4ee5\u5224\u65ad\u5f02\u5e38\u7c7b\u578b\u3002\u90a3\u4e3a\u5565\u4e0d\u80fd\u7edf\u4e00\u5904\u7406\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : kneep <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5b98\u65b9\u90ae\u4ef6\u5217\u8868\u91cc\u9762\u4e5f\u7ecf\u5e38\u6709\u4eba\u63d0\u8bae\u5404\u79cd\u7b80\u5316 if err != nil \u7b49\u6837\u677f\u4ee3\u7801\u7684\u65b9\u6848                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : darknoll <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6211\u4e5f\u4e0d\u559c\u6b22\u7528\u5f02\u5e38\u5565\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : linvaux <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u4e4b\u524d\u6211\u4e0d\u80fd\u7406\u89e3\u4e3a\u5565\u4e00\u5b9a\u8981\u8fd4\u56de err\uff0c\u540e\u6765\u5c31\u4e60\u60ef\u4e86\uff0c\u65e0\u6240\u8c13\u54af\uff0cgo \u4eba\u5bb6\u5c31\u8fd9\u4e48\u8bbe\u8ba1\u7684\uff0c\u7231\u7528\u4e0d\u7528                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : monkeyWie <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic #35 \u8fd9\u4e2a\u5f88\u7b80\u5355\u554a
      “`
      int i;
      try{
       i = Integer.valueof(index)
      }catch(NumberFormatException e){
       i = 0;
      }
      “`                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : monkeyWie <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic #35 \u800c\u4e14\u4f60\u7ed9\u7684\u8fd9\u4e2a\u4f8b\u5b50\u5c31\u5947\u602a\uff0c\u90fd\u6ca1\u505a\u9519\u8bef\u5904\u7406\uff0c\u6b63\u786e\u7684\u5199\u6cd5\u4e0d\u5e94\u8be5\u662f\u8fd9\u6837\u5417\uff1a
      “`
      func foo(index string) {
      i, err := strconv.Atoi(index)
      if err!=nil{
       i = 0
      }
      }<\/p>\n
      “`
      \u56e0\u4e3a\u4e0d\u80fd\u4fdd\u8bc1\u8fd9\u4e2a\u65b9\u6cd5\u5728\u6709 err \u8fd4\u56de\u7684\u65f6\u5019\uff0c\u7b2c\u4e00\u4e2a\u8fd4\u56de\u503c\u7684\u5c31\u4e00\u5b9a\u662f\u4f60\u60f3\u8981\u7684 0 \u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @monkeyWie \u53ea\u80fd\u8bf4\u4f60\u6839\u672c\u5c31\u4e0d\u4f1a\u7528 golang\uff0c\u54ea\u6015\u5199\u8fc7\u4e00\u4e2a\u6708\u7684 golang \u4e5f\u77e5\u9053\u6211\u5199\u7684\u5c31\u662f\u666e\u904d\u5199\u6cd5\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @chenqh golang \u53ea\u9700\u5ffd\u7565\u9519\u8bef\u5373\u53ef\uff0c\u8fd4\u56de\u503c\u9ed8\u8ba4\u662f\u96f6\u503c\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @Nugine0 \u5947\u95e8\u9041\u7532\u4e5d\u5bab\u98de\u6cca\u53e3\u8bc0                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @wamson \u5199\u8fc7\u534a\u5e74 Python\uff0c\u5199\u7684\u786e\u5b9e\u723d\uff0c\u8bfb\u8d77\u6765\uff0c\u7ef4\u62a4\u8d77\u6765\u80fd\u8981\u547d\uff0c\u5168\u9760\u6ce8\u91ca\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : Nugine0 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic \u8fd9\u548c\u7f16\u7a0b\u8bed\u8a00\u6709\u4ec0\u4e48\u5173\u7cfb\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : reus <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic \u9519\uff0c\u4f60\u770b\u770b strconv.ParseInt \u7684\u6587\u6863\u5c31\u77e5\u9053\u4e86\u3002\u6216\u8005\u8dd1\u4e0b\u8fd9\u4e2a\u7a0b\u5e8f\uff0c\u770b\u770b\u8fd4\u56de\u662f\u4e0d\u662f 0 \uff1f https:\/\/play.golang.org\/p\/0dLcyPJFt32                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : reus <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic \u6211\u770b\u4f60\u8fd9\u4e2a\u201c\u666e\u904d\u5199\u6cd5\u201d\u662f\u8981\u7206\u5927\u9505\uff0c\u4f60\u4ee5\u4e3a\u662f 0\uff0c\u5b9e\u9645\u8f93\u5165\u5982\u679c\u8d85\u51fa 64 \u4f4d\u6574\u6570\u80fd\u8868\u793a\u7684\u8303\u56f4\uff0c\u90a3\u5b83\u8fd4\u56de\u7684\u662f\u6700\u5927\u53ef\u4ee5\u8868\u793a\u7684\u6574\u6570\uff0c\u5982\u679c\u8fd9\u4e2a\u8fd4\u56de\u503c\u7528\u5728\u5faa\u73af\u91cc\uff0c\u4f60\u7684\u7a0b\u5e8f\u5c31\u8981\u8dd1\u5f88\u4e45\u5f88\u4e45\u4e86\u3002\u6240\u4ee5\u9519\u8bef\u6700\u597d\u4e0d\u8981\u5ffd\u7565\uff0c\u4e5f\u4e0d\u8981\u8ba4\u4e3a\u8fd4\u56de\u9519\u8bef\u65f6\uff0c\u5176\u4ed6\u8fd4\u56de\u503c\u5c31\u662f\u96f6\u503c\u3002\u5f88\u7b80\u5355\u7684\u4f8b\u5b50\uff0cio.Reader.Read\uff0c\u8fd4\u56de io.EOF \u65f6\uff0c\u53e6\u4e00\u4e2a\u8fd4\u56de\u503c\u4e5f\u53ef\u80fd\u975e\u96f6\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : suke971219 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5de5\u5177\u7c7b\u76f4\u63a5 panic\uff0c\u5728\u5916\u5c42\u903b\u8f91\u4f7f\u7528 defer recover
      \u6700\u8fd1\u5b66\u5230\u8fd9\u4e2a\u7528\u6cd5\uff0c\u770b\u8d77\u6765\u4f1a\u6bd4\u8f83\u5e72\u51c0                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : monkeyWie <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic #55                                                             <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : herozzm <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6bd4 try \u597d\u7528                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @monkeyWie \u884c\u5566\uff0c\u4e0d\u56de\u590d\u4f60\u4e86\uff0c\u6709\u65f6\u95f4\u591a\u5b66\u5b66\u4e60\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : monkeyWie <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic \u4e0d\u662f\uff0c60 61 \u6253\u8138\u4e86\u5c31\u4e0d\u56de\u4e86\uff1f\u8fd8\u6709\u5e0c\u671b\u4f60\u63d0\u9ad8\u70b9\u59ff\u52bf\u6c34\u5e73\uff0c\u8ddf\u4f60\u4e0d\u5728\u4e00\u5c42\u8ba8\u8bba\u7684\u6ca1\u610f\u4e49\uff0c\u540e\u9762\u6211\u4e5f\u4e0d\u4f1a\u56de\u590d\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : xcp3555 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u770b\u8d77\u6765\u4e0d\u592a\u723d                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dafsic <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @reus \u786e\u5b9e\u662f\uff0c\u6211\u8fd9\u6837\u5199\u4e86\u4e09\u5e74\u591a\uff0c\u8fd0\u6c14\u597d\u6ca1\u9047\u5230\u95ee\u9898\u3002\u81f3\u4e8e\u9519\u8bef\u5ffd\u7565\u4e0d\u5ffd\u7565\u770b\u4fe1\u4efb\u8fb9\u754c\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : gamexg <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u6ca1\u7528\u524d\u89c9\u5f97\u5230\u5904\u662f if err!=ni \u4e0d\u60f3\u7528\u3002
      \u771f\u7528\u4e86\u624d\u53d1\u73b0\u8fd9\u4e2a\u6bd4\u5f02\u5e38\u66f4\u53ef\u9760\uff0c\u4f7f\u7528\u5f02\u5e38\u65f6\u7ecf\u5e38\u5bf9\u4e00\u5927\u5757\u4ee3\u7801\u4e00\u4e2a try \u5b8c\u4e8b\uff1b\u4f46\u662f\u7528\u4e86 go \u7684 err \u540e\uff0c\u4f1a\u5bf9\u6bcf\u4e2a \u53ef\u80fd\u51fa\u9519\u7684\u5730\u65b9\u8fdb\u884c\u68c0\u67e5\uff0c\u66f4\u52a0\u4ed4\u7ec6\u4e86\u3002<\/p>\n
      \u6253\u8d77\u6765\u9ebb\u70e6\u53ca\u663e\u793a\u5360\u7a7a\u95f4\u7684\u95ee\u9898\uff0cgoland ide \u672c\u8eab\u4f1a\u8fdb\u884c\u5904\u7406\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : davichi2009 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @dafsic \u8f6c\u4e4b\u524d\u4e0d\u5148\u5224\u65ad\u53c2\u6570\u7c7b\u578b? \u7c7b\u578b\u8f6c\u6362\u7684\u64cd\u4f5c\u4efb\u4f55\u65f6\u5019\u90fd\u8981\u5148\u5224\u65ad\u7c7b\u578b\u7684\u5427? \u7c7b\u578b\u4e0d\u5339\u914d\u8fd4\u56de\u4e00\u4e2a\u6307\u5b9a\u7684\u9ed8\u8ba4\u503c\u4e0d\u5c31\u53ef\u4ee5\u4e86?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n","protected":false},"excerpt":{"rendered":"
      \u770b\u5230\u597d\u591a\u4eba\u5410\u69fd golang \u7684\u9519…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/156375"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=156375"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/156375\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=156375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=156375"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=156375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}