{"id":3167,"date":"2025-03-25T23:43:05","date_gmt":"2025-03-25T15:43:05","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3167"},"modified":"2025-03-25T23:43:05","modified_gmt":"2025-03-25T15:43:05","slug":"go-%e8%af%ad%e8%a8%80%e8%bf%90%e7%ae%97%e7%ac%a6%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/25\/go-%e8%af%ad%e8%a8%80%e8%bf%90%e7%ae%97%e7%ac%a6%e8%af%a6%e8%a7%a3\/","title":{"rendered":"Go \u8bed\u8a00\u8fd0\u7b97\u7b26\u8be6\u89e3"},"content":{"rendered":"\n

Go \u8bed\u8a00\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u8fd0\u7b97\u7b26\uff08Operator\uff09<\/strong>\uff0c\u7528\u4e8e\u6267\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u5982\u7b97\u672f\u3001\u903b\u8f91\u3001\u4f4d\u8fd0\u7b97\u7b49\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd Go \u8bed\u8a00\u7684\u8fd0\u7b97\u7b26\u53ca\u5176\u7528\u6cd5\u3002<\/p>\n\n\n\n

\n\n\n\n

1. Go \u8bed\u8a00\u8fd0\u7b97\u7b26\u5206\u7c7b<\/strong><\/h2>\n\n\n\n

Go \u8bed\u8a00\u7684\u8fd0\u7b97\u7b26\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u7c7b\uff1a<\/p>\n\n\n\n

\u8fd0\u7b97\u7b26\u7c7b\u522b<\/strong><\/th>\u8fd0\u7b97\u7b26<\/strong><\/th>\u63cf\u8ff0<\/strong><\/th><\/tr><\/thead>
\u7b97\u672f\u8fd0\u7b97\u7b26<\/strong><\/td>+<\/code> -<\/code> *<\/code> \/<\/code> %<\/code> ++<\/code> --<\/code><\/td>\u57fa\u672c\u6570\u5b66\u8fd0\u7b97<\/td><\/tr>
\u5173\u7cfb\u8fd0\u7b97\u7b26<\/strong><\/td>==<\/code> !=<\/code> ><\/code> <<\/code> >=<\/code> <=<\/code><\/td>\u6bd4\u8f83\u4e24\u4e2a\u503c<\/td><\/tr>
\u903b\u8f91\u8fd0\u7b97\u7b26<\/strong><\/td>&&<\/code> ||<\/code> !<\/code><\/td>\u903b\u8f91\u5224\u65ad<\/td><\/tr>
\u4f4d\u8fd0\u7b97\u7b26<\/strong><\/td>&<\/code> |<\/code> ^<\/code> <<<\/code> >><\/code><\/td>\u6309\u4f4d\u8ba1\u7b97<\/td><\/tr>
\u8d4b\u503c\u8fd0\u7b97\u7b26<\/strong><\/td>=<\/code> +=<\/code> -=<\/code> *=<\/code> \/=<\/code> %=<\/code> &=<\/code> |=<\/code> ^=<\/code> <<=<\/code> >>=<\/code><\/td>\u8d4b\u503c\u64cd\u4f5c<\/td><\/tr>
\u6307\u9488\u8fd0\u7b97\u7b26<\/strong><\/td>&<\/code> *<\/code><\/td>\u53d6\u5730\u5740\u3001\u89e3\u5f15\u7528<\/td><\/tr>
\u5176\u5b83\u8fd0\u7b97\u7b26<\/strong><\/td>,<\/code> .<\/code> ()<\/code> []<\/code><\/td>\u9017\u53f7\u3001\u7ed3\u6784\u4f53\u8bbf\u95ee\u3001\u51fd\u6570\u8c03\u7528\u3001\u6570\u7ec4\u7d22\u5f15<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

2. \u7b97\u672f\u8fd0\u7b97\u7b26<\/strong><\/h2>\n\n\n\n

Go \u8bed\u8a00\u652f\u6301\u5e38\u89c1\u7684\u7b97\u672f\u8fd0\u7b97\uff1a<\/p>\n\n\n\n

a, b := 10, 3\n\nfmt.Println(a + b)  \/\/ \u52a0\u6cd5\uff1a13\nfmt.Println(a - b)  \/\/ \u51cf\u6cd5\uff1a7\nfmt.Println(a * b)  \/\/ \u4e58\u6cd5\uff1a30\nfmt.Println(a \/ b)  \/\/ \u9664\u6cd5\uff08\u6574\u6570\uff09\uff1a3\nfmt.Println(a % b)  \/\/ \u53d6\u6a21\uff08\u4f59\u6570\uff09\uff1a1<\/code><\/pre>\n\n\n\n
\u6ce8\u610f\uff1a<\/strong><\/p>\n\n\n\n
    \n
  • \/<\/code> \u5bf9\u6574\u6570\u53d6\u6574<\/strong>\uff0c\u4e0d\u4f1a\u4fdd\u7559\u5c0f\u6570\u3002<\/li>\n\n\n\n
  • \u81ea\u589e\uff08++<\/code>\uff09\u548c\u81ea\u51cf\uff08--<\/code>\uff09\u4e0d\u80fd\u4f5c\u4e3a\u8868\u8fbe\u5f0f\uff0c\u53ea\u80fd\u72ec\u7acb\u4f7f\u7528<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n
    a := 5\na++  \/\/ \u6b63\u786e \u2705\nb := a++  \/\/ \u274c \u9519\u8bef\uff0cGo \u4e0d\u5141\u8bb8 `b = a++`<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    3. \u5173\u7cfb\u8fd0\u7b97\u7b26<\/strong><\/h2>\n\n\n\n
    \u5173\u7cfb\u8fd0\u7b97\u7b26\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u503c\uff0c\u8fd4\u56de\u5e03\u5c14\u503c true<\/code> \u6216 false<\/code>\uff1a<\/p>\n\n\n\n
    x, y := 5, 10\n\nfmt.Println(x == y)  \/\/ false\nfmt.Println(x != y)  \/\/ true\nfmt.Println(x > y)   \/\/ false\nfmt.Println(x < y)   \/\/ true\nfmt.Println(x >= y)  \/\/ false\nfmt.Println(x <= y)  \/\/ true<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    4. \u903b\u8f91\u8fd0\u7b97\u7b26<\/strong><\/h2>\n\n\n\n
    \u903b\u8f91\u8fd0\u7b97\u7b26\u7528\u4e8e\u5e03\u5c14\u7c7b\u578b\u7684\u903b\u8f91\u8fd0\u7b97\uff1a<\/p>\n\n\n\n
    p, q := true, false\n\nfmt.Println(p && q)  \/\/ false\uff08\u903b\u8f91\u4e0e\uff09\nfmt.Println(p || q)  \/\/ true\uff08\u903b\u8f91\u6216\uff09\nfmt.Println(!p)      \/\/ false\uff08\u903b\u8f91\u975e\uff09<\/code><\/pre>\n\n\n\n
    \u77ed\u8def\u7279\u6027\uff08Short-circuiting\uff09<\/strong><\/p>\n\n\n\n
      \n
    • &&<\/code>\uff1a\u82e5\u5de6\u4fa7\u4e3a false<\/code><\/strong>\uff0c\u53f3\u4fa7\u4e0d\u4f1a\u6267\u884c\u3002<\/li>\n\n\n\n
    • ||<\/code>\uff1a\u82e5\u5de6\u4fa7\u4e3a true<\/code><\/strong>\uff0c\u53f3\u4fa7\u4e0d\u4f1a\u6267\u884c\u3002<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      5. \u4f4d\u8fd0\u7b97\u7b26<\/strong><\/h2>\n\n\n\n
      \u4f4d\u8fd0\u7b97\u7b26\u7528\u4e8e\u6309\u4f4d\u64cd\u4f5c\u6574\u6570\uff1a<\/p>\n\n\n\n
      a, b := 5, 3 \/\/ 5: 101, 3: 011\n\nfmt.Println(a & b)  \/\/ 1  \uff08\u6309\u4f4d\u4e0e\uff09\nfmt.Println(a | b)  \/\/ 7  \uff08\u6309\u4f4d\u6216\uff09\nfmt.Println(a ^ b)  \/\/ 6  \uff08\u6309\u4f4d\u5f02\u6216\uff09\nfmt.Println(a << 1) \/\/ 10 \uff08\u5de6\u79fb\u4e00\u4f4d\uff0c\u76f8\u5f53\u4e8e\u4e58 2\uff09\nfmt.Println(a >> 1) \/\/ 2  \uff08\u53f3\u79fb\u4e00\u4f4d\uff0c\u76f8\u5f53\u4e8e\u9664 2\uff09<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      6. \u8d4b\u503c\u8fd0\u7b97\u7b26<\/strong><\/h2>\n\n\n\n
      \u8fd0\u7b97\u7b26<\/th>\u4f5c\u7528<\/th><\/tr><\/thead>
      =<\/code><\/td>\u8d4b\u503c<\/td><\/tr>
      +=<\/code> -=<\/code> *=<\/code> \/=<\/code> %=<\/code><\/td>\u590d\u5408\u8d4b\u503c<\/td><\/tr>
      &=<\/code> |=<\/code> ^=<\/code> <<=<\/code> >>=<\/code><\/td>\u4f4d\u8fd0\u7b97\u8d4b\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \u793a\u4f8b\uff1a<\/p>\n\n\n\n
      a := 10\na += 5  \/\/ \u7b49\u4ef7\u4e8e a = a + 5\nfmt.Println(a) \/\/ 15<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      7. \u6307\u9488\u8fd0\u7b97\u7b26<\/strong><\/h2>\n\n\n\n
      \u8fd0\u7b97\u7b26<\/th>\u4f5c\u7528<\/th><\/tr><\/thead>
      &<\/code><\/td>\u53d6\u5730\u5740<\/td><\/tr>
      *<\/code><\/td>\u53d6\u503c\uff08\u89e3\u5f15\u7528\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \u793a\u4f8b\uff1a<\/p>\n\n\n\n
      var num int = 42\nvar ptr *int = &num  \/\/ \u53d6 num \u7684\u5730\u5740\n\nfmt.Println(ptr)   \/\/ \u5730\u5740\u503c\nfmt.Println(*ptr)  \/\/ 42\uff08\u89e3\u5f15\u7528\uff09<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      8. \u9017\u53f7\uff08,<\/code>\uff09\u8fd0\u7b97\u7b26<\/strong><\/h2>\n\n\n\n
      \u5728\u591a\u53d8\u91cf\u8d4b\u503c\u65f6\u4f7f\u7528\uff1a<\/p>\n\n\n\n
      a, b := 1, 2\na, b = b, a  \/\/ \u4ea4\u6362\u53d8\u91cf\nfmt.Println(a, b) \/\/ 2 1<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      9. \u7279\u6b8a\u8fd0\u7b97\u7b26<\/strong><\/h2>\n\n\n\n
      \uff081\uff09\u70b9\u8fd0\u7b97\u7b26 .<\/code><\/strong><\/h3>\n\n\n\n
      \u7528\u4e8e\u8bbf\u95ee\u7ed3\u6784\u4f53\u5b57\u6bb5<\/strong>\uff1a<\/p>\n\n\n\n
      type Person struct {\n    Name string\n    Age  int\n}\np := Person{Name: \"Alice\", Age: 25}\nfmt.Println(p.Name) \/\/ \u8bbf\u95ee Name \u5b57\u6bb5<\/code><\/pre>\n\n\n\n
      \uff082\uff09\u51fd\u6570\u8c03\u7528 ()<\/code><\/strong><\/h3>\n\n\n\n
      \u7528\u4e8e\u8c03\u7528\u51fd\u6570<\/strong>\uff1a<\/p>\n\n\n\n
      func greet() {\n    fmt.Println(\"Hello, Go!\")\n}\ngreet()  \/\/ \u8c03\u7528\u51fd\u6570<\/code><\/pre>\n\n\n\n
      \uff083\uff09\u7d22\u5f15\u8fd0\u7b97\u7b26 []<\/code><\/strong><\/h3>\n\n\n\n
      \u7528\u4e8e\u8bbf\u95ee\u6570\u7ec4\u3001\u5207\u7247\u3001\u6620\u5c04<\/strong>\uff1a<\/p>\n\n\n\n
      arr := []int{10, 20, 30}\nfmt.Println(arr[1]) \/\/ 20<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      10. \u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7<\/strong><\/h2>\n\n\n\n
      \u4f18\u5148\u7ea7<\/th>\u8fd0\u7b97\u7b26<\/th><\/tr><\/thead>
      1\uff08\u6700\u9ad8\uff09<\/td>*<\/code> \/<\/code> %<\/code> <<<\/code> >><\/code> &<\/code> &^<\/code><\/td><\/tr>
      2<\/td>+<\/code> -<\/code> |<\/code> ^<\/code><\/td><\/tr>
      3<\/td>==<\/code> !=<\/code> <<\/code> <=<\/code> ><\/code> >=<\/code><\/td><\/tr>
      4<\/td>&&<\/code><\/td><\/tr>
      5\uff08\u6700\u4f4e\uff09<\/td>||<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n
      result := 10 + 2 * 5 \/\/ \u5148\u8ba1\u7b97 `2*5`\uff0c\u7136\u540e\u52a0 `10`\nfmt.Println(result)   \/\/ 20<\/code><\/pre>\n\n\n\n
      \u62ec\u53f7 ()<\/code> \u6700\u9ad8\u4f18\u5148\u7ea7<\/strong><\/p>\n\n\n\n
      result := (10 + 2) * 5 \/\/ \u5148\u8ba1\u7b97 `10+2`\uff0c\u518d\u4e58\u4ee5 `5`\nfmt.Println(result)   \/\/ 60<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      \u603b\u7ed3<\/strong><\/h2>\n\n\n\n
      \u8fd0\u7b97\u7b26\u7c7b\u522b<\/strong><\/th>\u8fd0\u7b97\u7b26<\/strong><\/th>\u793a\u4f8b<\/strong><\/th><\/tr><\/thead>
      \u7b97\u672f\u8fd0\u7b97<\/td>+<\/code> -<\/code> *<\/code> \/<\/code> %<\/code> ++<\/code> --<\/code><\/td>a + b<\/code><\/td><\/tr>
      \u5173\u7cfb\u8fd0\u7b97<\/td>==<\/code> !=<\/code> ><\/code> <<\/code> >=<\/code> <=<\/code><\/td>a > b<\/code><\/td><\/tr>
      \u903b\u8f91\u8fd0\u7b97<\/td>&&<\/code> ||<\/code> !<\/code><\/td>a && b<\/code><\/td><\/tr>
      \u4f4d\u8fd0\u7b97<\/td>&<\/code> |<\/code> ^<\/code> <<<\/code> >><\/code><\/td>a & b<\/code><\/td><\/tr>
      \u8d4b\u503c\u8fd0\u7b97<\/td>=<\/code> +=<\/code> -=<\/code> *=<\/code> \/=<\/code> %=<\/code> &=<\/code> |=<\/code> ^=<\/code> <<=<\/code> >>=<\/code><\/td>a += 1<\/code><\/td><\/tr>
      \u6307\u9488\u8fd0\u7b97<\/td>&<\/code> *<\/code><\/td>ptr = &a<\/code><\/td><\/tr>
      \u5176\u5b83\u8fd0\u7b97<\/td>,<\/code> .<\/code> ()<\/code> []<\/code><\/td>a, b = b, a<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      \n","protected":false},"excerpt":{"rendered":"
      Go \u8bed\u8a00\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u8fd0\u7b97\u7b26\uff08Operator\uff09\uff0c\u7528\u4e8e\u6267\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u5982\u7b97\u672f\u3001\u903b\u8f91\u3001\u4f4d\u8fd0\u7b97\u7b49\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd G […]<\/p>\n","protected":false},"author":1,"featured_media":3168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-3167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-golang"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3167"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3167\/revisions"}],"predecessor-version":[{"id":3169,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3167\/revisions\/3169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3168"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}