{"id":117659,"date":"2019-05-22T12:04:11","date_gmt":"2019-05-22T04:04:11","guid":{"rendered":"http:\/\/www.fagao.me\/?p=117659"},"modified":"2019-05-22T12:04:11","modified_gmt":"2019-05-22T04:04:11","slug":"go%e8%af%ad%e8%a8%80%e7%9a%84%e6%8e%92%e5%ba%8f%e5%92%8c%e6%90%9c%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/www.fagao.me\/p\/117659.htm","title":{"rendered":"go\u8bed\u8a00\u7684\u6392\u5e8f\u548c\u641c\u7d22"},"content":{"rendered":"

\"\"<\/p>\n

\u665a\u4e0a\u51c6\u5907\u52a8\u624b\u5199\u70b9 go \u7684\u7a0b\u5e8f\u7684\u65f6\u5019\uff0c\u60f3\u8d77 go \u5982\u4f55\u6392\u5e8f\u7684\u95ee\u9898\u3002\u6392\u5e8f sort \u662f\u4e2a\u57fa\u672c\u7684\u64cd\u4f5c\uff0c\u5f53\u7136\u641c\u7d22 search \u4e5f\u662f\u3002c \u63d0\u4f9b\u4e00\u4e2a qsort \u548c bsearch\uff0c\u4e00\u4e2a\u5feb\u6392\u4e00\u4e2a\u4e8c\u5206\u67e5\u627e\uff0c\u4e0d\u8fc7\u662f\u4f7f\u7528\u8d77\u6765\u90fd\u4e0d\u65b9\u4fbf\uff1b c++ \u4e2d\u7684 sort \u8c8c\u4f3c\u5f88\u4e0d\u9519\uff0c\u56e0\u4e3a c++ \u652f\u6301\u6cdb\u578b(\u6216\u662f\u8bf4\u6a21\u677f)\uff0c\u6240\u4ee5\u5f88\u591a\u4e1c\u897f\u4f7f\u7528\u8d77\u6765\u5f88\u65b9\u4fbf\u3002go \u662f\u901a\u8fc7 sort \u5305\u63d0\u4f9b\u6392\u5e8f\u548c\u641c\u7d22\uff0c\u56e0\u4e3a go \u6682\u65f6\u4e0d\u652f\u6301\u6cdb\u578b\uff08\u5c06\u6765\u4e5f\u4e0d\u597d\u8bf4\u652f\u4e0d\u652f\u6301\uff09\uff0c\u6240\u4ee5\uff0cgo \u7684 sort \u548c search \u4f7f\u7528\u8d77\u6765\u8ddf\u7c7b\u578b\u662f\u6709\u5173\u7684\uff0c\u6216\u662f\u9700\u8981\u50cf c \u4e00\u6837\u5199\u6bd4\u8f83\u51fd\u6570\u7b49\uff0c\u7a0d\u5fae\u663e\u5f97\u4e5f\u4e0d\u662f\u5f88\u65b9\u4fbf\u3002<\/p>\n

\u8865\u6ce8\uff1a \u8fd1\u6765\u53c8\u770b go \u7684\u6392\u5e8f\uff0c \u53d1\u73b0\u4ee5\u524d\u5bf9 go \u7684\u6392\u5e8f\u7406\u89e3\u7684\u6709\u70b9\u6d45\u4e86\u3002 go \u7684\u6392\u5e8f\u601d\u8def\u548c c \u548c c++ \u6709\u4e9b\u5dee\u522b\u3002 c \u9ed8\u8ba4\u662f\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c c++ \u662f\u5bf9\u4e00\u4e2a\u5e8f\u5217\u8fdb\u884c\u6392\u5e8f\uff0c go \u5219\u66f4\u5bbd\u6cdb\u4e00\u4e9b\uff0c\u5f85\u6392\u5e8f\u7684\u53ef\u4ee5\u662f\u4efb\u4f55\u5bf9\u8c61\uff0c \u867d\u7136\u5f88\u591a\u60c5\u51b5\u4e0b\u662f\u4e00\u4e2a slice (\u5206\u7247\uff0c \u7c7b\u4f3c\u4e8e\u6570\u7ec4)\uff0c\u6216\u662f\u5305\u542b slice \u7684\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n

\u6392\u5e8f(\u63a5\u53e3)\u7684\u4e09\u4e2a\u8981\u7d20\uff1a<\/p>\n

    \n
  1. \n

    \u5f85\u6392\u5e8f\u5143\u7d20\u4e2a\u6570 n \uff1b<\/p>\n<\/li>\n

  2. \n

    \u7b2c i \u548c\u7b2c j \u4e2a\u5143\u7d20\u7684\u6bd4\u8f83\u51fd\u6570 cmp \uff1b<\/p>\n<\/li>\n

  3. \n

    \u7b2c i \u548c \u7b2c j \u4e2a\u5143\u7d20\u7684\u4ea4\u6362 swap \uff1b<\/p>\n<\/li>\n<\/ol>\n

    \u4e4d\u4e00\u770b\u6761\u4ef6 3 \u662f\u591a\u4f59\u7684\uff0c c \u548c c++ \u90fd\u4e0d\u63d0\u4f9b swap \u3002 c \u7684 qsort \u7684\u7528\u6cd5\uff1a qsort(data, n, sizeof(int), cmp_int); data \u662f\u8d77\u59cb\u5730\u5740\uff0c n \u662f\u5143\u7d20\u4e2a\u6570\uff0c sizeof(int) \u662f\u6bcf\u4e2a\u5143\u7d20\u7684\u5927\u5c0f\uff0c cmp_int \u662f\u4e00\u4e2a\u6bd4\u8f83\u4e24\u4e2a int \u7684\u51fd\u6570\u3002c++ \u7684 sort \u7684\u7528\u6cd5\uff1a sort(data, data+n, cmp_int); data \u662f\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u4f4d\u7f6e\uff0c data+n \u662f\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\uff0c cmp_int \u662f\u6bd4\u8f83\u51fd\u6570\u3002<\/p>\n

    \u4e0b\u9762\u8fd8\u662f\u8fdb\u5165\u6b63\u9898\u3002<\/p>\n

    \u57fa\u672c\u7c7b\u578b int \u3001 float64 \u548c string \u7684\u6392\u5e8f \u5347\u5e8f\u6392\u5e8f<\/p>\n

    \u5bf9\u4e8e int \u3001 float64 \u548c string \u6570\u7ec4\u6216\u662f\u5206\u7247\u7684\u6392\u5e8f\uff0c go \u5206\u522b\u63d0\u4f9b\u4e86 sort.Ints() \u3001 sort.Float64s() \u548c sort.Strings() \u51fd\u6570\uff0c \u9ed8\u8ba4\u90fd\u662f\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u3002(\u6ca1\u6709 sort.Float32s() \u51fd\u6570\uff0c me \u9887\u6709\u70b9\u5947\u602a\u3002)<\/p>\n

      \n
    1. \n

      package<\/span>main<\/p>\n<\/li>\n

    2. <\/li>\n
    3. \n

      import<\/span>(<\/span><\/p>\n<\/li>\n

    4. \n

      “fmt”<\/span><\/p>\n<\/li>\n

    5. \n

      “sort”<\/span><\/p>\n<\/li>\n

    6. \n

      )<\/span><\/p>\n<\/li>\n

    7. <\/li>\n
    8. \n

      func<\/span>main()<\/span>{<\/span><\/p>\n<\/li>\n

    9. \n

      intList :=<\/span>[]<\/span>int<\/span>{<\/span>2<\/span>,<\/span>4<\/span>,<\/span>3<\/span>,<\/span>5<\/span>,<\/span>7<\/span>,<\/span>6<\/span>,<\/span>9<\/span>,<\/span>8<\/span>,<\/span>1<\/span>,<\/span>0<\/span>}<\/span><\/p>\n<\/li>\n

    10. \n

      float8List :=<\/span>[]<\/span>float64<\/span>{<\/span>4<\/span>.<\/span>2<\/span>,<\/span>5<\/span>.<\/span>9<\/span>,<\/span>12<\/span>.<\/span>3<\/span>,<\/span>10<\/span>.<\/span>0<\/span>,<\/span>50<\/span>.<\/span>4<\/span>,<\/span>99<\/span>.<\/span>9<\/span>,<\/span>31<\/span>.<\/span>4<\/span>,<\/span>27<\/span>.<\/span>81828<\/span>,<\/span>3<\/span>.<\/span>14<\/span>}<\/span><\/p>\n<\/li>\n

    11. \n

      \/\/ float4List := [] float32 {4.2, 5.9, 12.3, 10.0, 50.4, 99.9, 31.4, 27.81828, 3.14} \/\/ no function : sort.Float32s<\/span><\/p>\n<\/li>\n

    12. \n

      stringList :=<\/span>[]<\/span>string<\/span>{<\/span>“a”<\/span>,<\/span>“c”<\/span>,<\/span>“b”<\/span>,<\/span>“d”<\/span>,<\/span>“f”<\/span>,<\/span>“i”<\/span>,<\/span>“z”<\/span>,<\/span>“x”<\/span>,<\/span>“w”<\/span>,<\/span>“y”<\/span>}<\/span><\/p>\n<\/li>\n

    13. <\/li>\n
    14. \n

      sort.<\/span>Ints(<\/span>intList)<\/span><\/p>\n<\/li>\n

    15. \n

      sort.<\/span>Float64s(<\/span>float8List)<\/span><\/p>\n<\/li>\n

    16. \n

      sort.<\/span>Strings(<\/span>stringList)<\/span><\/p>\n<\/li>\n

    17. <\/li>\n
    18. \n

      fmt.<\/span>Printf(<\/span>“%vn<\/span>%vn<\/span>%vn<\/span>“<\/span>,<\/span>intList,<\/span>float8List,<\/span>stringList)<\/span><\/p>\n<\/li>\n

    19. <\/li>\n
    20. \n

      }<\/span><\/p>\n<\/li>\n<\/ol>\n

      \u964d\u5e8f\u6392\u5e8f <\/p>\n

      int \u3001 float64 \u548c string \u90fd\u6709\u9ed8\u8ba4\u7684\u5347\u5e8f\u6392\u5e8f\u51fd\u6570\uff0c \u73b0\u5728\u95ee\u9898\u662f\u5982\u679c\u964d\u5e8f\u5982\u4f55 \uff1f \u6709\u5176\u4ed6\u8bed\u8a00\u7f16\u7a0b\u7ecf\u9a8c\u7684\u4eba\u90fd\u77e5\u9053\uff0c\u53ea\u9700\u8981\u4ea4\u6362 cmp \u7684\u6bd4\u8f83\u6cd5\u5219\u5c31\u53ef\u4ee5\u4e86\uff0c go \u7684\u5b9e\u73b0\u662f\u7c7b\u4f3c\u7684\uff0c\u7136\u800c\u53c8\u6709\u6240\u4e0d\u540c\u3002 go \u4e2d\u5bf9\u67d0\u4e2a Type \u7684\u5bf9\u8c61 obj \u6392\u5e8f\uff0c \u53ef\u4ee5\u4f7f\u7528 sort.Sort(obj) \u5373\u53ef\uff0c\u5c31\u662f\u9700\u8981\u5bf9 Type \u7c7b\u578b\u7ed1\u5b9a\u4e09\u4e2a\u65b9\u6cd5 \uff1a Len() \u6c42\u957f\u5ea6\u3001 Less(i,j) \u6bd4\u8f83\u7b2c i \u548c \u7b2c j \u4e2a\u5143\u7d20\u5927\u5c0f\u7684\u51fd\u6570\u3001 Swap(i,j) \u4ea4\u6362\u7b2c i \u548c\u7b2c j \u4e2a\u5143\u7d20\u7684\u51fd\u6570\u3002sort \u5305\u4e0b\u7684\u4e09\u4e2a\u7c7b\u578b IntSlice \u3001 Float64Slice \u3001 StringSlice \u5206\u522b\u5b9e\u73b0\u4e86\u8fd9\u4e09\u4e2a\u65b9\u6cd5\uff0c \u5bf9\u5e94\u6392\u5e8f\u7684\u662f [] int \u3001 [] float64 \u548c [] string \u3002\u5982\u679c\u671f\u671b\u9006\u5e8f\u6392\u5e8f\uff0c \u53ea\u9700\u8981\u5c06\u5bf9\u5e94\u7684 Less \u51fd\u6570\u7b80\u5355\u4fee\u6539\u4e00\u4e0b\u5373\u53ef\u3002<\/p>\n

      go \u7684 sort \u5305\u53ef\u4ee5\u4f7f\u7528 sort.Reverse(slice) \u6765\u8c03\u6362 slice.Interface.Less \uff0c\u4e5f\u5c31\u662f\u6bd4\u8f83\u51fd\u6570\uff0c\u6240\u4ee5\uff0c int \u3001 float64 \u548c string \u7684\u9006\u5e8f\u6392\u5e8f\u51fd\u6570\u53ef\u4ee5\u8fd9\u4e48\u5199\uff1a<\/p>\n

        \n
      1. \n

        package<\/span>main<\/p>\n<\/li>\n

      2. <\/li>\n
      3. \n

        import<\/span>(<\/span><\/p>\n<\/li>\n

      4. \n

        “fmt”<\/span><\/p>\n<\/li>\n

      5. \n

        “sort”<\/span><\/p>\n<\/li>\n

      6. \n

        )<\/span><\/p>\n<\/li>\n

      7. <\/li>\n
      8. \n

        func<\/span>main()<\/span>{<\/span><\/p>\n<\/li>\n

      9. \n

        intList :=<\/span>[]<\/span>int<\/span>{<\/span>2<\/span>,<\/span>4<\/span>,<\/span>3<\/span>,<\/span>5<\/span>,<\/span>7<\/span>,<\/span>6<\/span>,<\/span>9<\/span>,<\/span>8<\/span>,<\/span>1<\/span>,<\/span>0<\/span>}<\/span><\/p>\n<\/li>\n

      10. \n

        float8List :=<\/span>[]<\/span>float64<\/span>{<\/span>4<\/span>.<\/span>2<\/span>,<\/span>5<\/span>.<\/span>9<\/span>,<\/span>12<\/span>.<\/span>3<\/span>,<\/span>10<\/span>.<\/span>0<\/span>,<\/span>50<\/span>.<\/span>4<\/span>,<\/span>99<\/span>.<\/span>9<\/span>,<\/span>31<\/span>.<\/span>4<\/span>,<\/span>27<\/span>.<\/span>81828<\/span>,<\/span>3<\/span>.<\/span>14<\/span>}<\/span><\/p>\n<\/li>\n

      11. \n

        stringList :=<\/span>[]<\/span>string<\/span>{<\/span>“a”<\/span>,<\/span>“c”<\/span>,<\/span>“b”<\/span>,<\/span>“d”<\/span>,<\/span>“f”<\/span>,<\/span>“i”<\/span>,<\/span>“z”<\/span>,<\/span>“x”<\/span>,<\/span>“w”<\/span>,<\/span>“y”<\/span>}<\/span><\/p>\n<\/li>\n

      12. <\/li>\n
      13. \n

        sort.<\/span>Sort(<\/span>sort.<\/span>Reverse(<\/span>sort.<\/span>IntSlice(<\/span>intList)))<\/span><\/p>\n<\/li>\n

      14. \n

        sort.<\/span>Sort(<\/span>sort.<\/span>Reverse(<\/span>sort.<\/span>Float64Slice(<\/span>float8List)))<\/span><\/p>\n<\/li>\n

      15. \n

        sort.<\/span>Sort(<\/span>sort.<\/span>Reverse(<\/span>sort.<\/span>StringSlice(<\/span>stringList)))<\/span><\/p>\n<\/li>\n

      16. <\/li>\n
      17. \n

        fmt.<\/span>Printf(<\/span>“%vn<\/span>%vn<\/span>%vn<\/span>“<\/span>,<\/span>intList,<\/span>float8List,<\/span>stringList)<\/span><\/p>\n<\/li>\n

      18. \n

        }<\/span><\/p>\n<\/li>\n<\/ol>\n

        \u6df1\u5165\u7406\u89e3\u6392\u5e8f <\/p>\n

        sort \u5305\u4e2d\u6709\u4e00\u4e2a sort.Interface \u63a5\u53e3\uff0c\u8be5\u63a5\u53e3\u6709\u4e09\u4e2a\u65b9\u6cd5 Len() \u3001 Less(i,j) \u548c Swap(i,j) \u3002 \u901a\u7528\u6392\u5e8f\u51fd\u6570 sort.Sort \u53ef\u4ee5\u6392\u5e8f\u4efb\u4f55\u5b9e\u73b0\u4e86 sort.Inferface \u63a5\u53e3\u7684\u5bf9\u8c61(\u53d8\u91cf)\u3002\u5bf9\u4e8e [] int \u3001[] float64 \u548c [] string \u9664\u4e86\u4f7f\u7528\u7279\u6b8a\u6307\u5b9a\u7684\u51fd\u6570\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6539\u88c5\u8fc7\u7684\u7c7b\u578b IntSclice \u3001 Float64Slice \u548c StringSlice \uff0c \u7136\u540e\u76f4\u63a5\u8c03\u7528\u5b83\u4eec\u5bf9\u5e94\u7684 Sort() \u65b9\u6cd5\uff1b\u56e0\u4e3a\u8fd9\u4e09\u79cd\u7c7b\u578b\u4e5f\u5b9e\u73b0\u4e86 sort.Interface \u63a5\u53e3\uff0c \u6240\u4ee5\u53ef\u4ee5\u901a\u8fc7 sort.Reverse \u6765\u8f6c\u6362\u8fd9\u4e09\u79cd\u7c7b\u578b\u7684 Interface.Less \u65b9\u6cd5\u6765\u5b9e\u73b0\u9006\u5411\u6392\u5e8f\uff0c \u8fd9\u5c31\u662f\u524d\u9762\u6700\u540e\u4e00\u4e2a\u6392\u5e8f\u7684\u4f7f\u7528\u3002<\/p>\n

        \u4e0b\u9762\u4f7f\u7528\u4e86\u4e00\u4e2a\u81ea\u5b9a\u4e49(\u7528\u6237\u5b9a\u4e49)\u7684 Reverse \u7ed3\u6784\u4f53\uff0c \u800c\u4e0d\u662f sort.Reverse \u51fd\u6570\uff0c \u6765\u5b9e\u73b0\u9006\u5411\u6392\u5e8f\u3002<\/p>\n

          \n
        1. \n

          package<\/span>main<\/p>\n<\/li>\n

        2. <\/li>\n
        3. \n

          import<\/span>(<\/span><\/p>\n<\/li>\n

        4. \n

          “fmt”<\/span><\/p>\n<\/li>\n

        5. \n

          “sort”<\/span><\/p>\n<\/li>\n

        6. \n

          )<\/span><\/p>\n<\/li>\n

        7. <\/li>\n
        8. \n

          \/\/ \u81ea\u5b9a\u4e49\u7684 Reverse \u7c7b\u578b<\/span><\/p>\n<\/li>\n

        9. \n

          type<\/span>Reverse struct<\/span>{<\/span><\/p>\n<\/li>\n

        10. \n

          sort.Interface \/\/ \u8fd9\u6837\uff0c Reverse \u53ef\u4ee5\u63a5\u7eb3\u4efb\u4f55\u5b9e\u73b0\u4e86 sort.Interface (\u5305\u62ec Len, Less, Swap \u4e09\u4e2a\u65b9\u6cd5) \u7684\u5bf9\u8c61<\/span><\/p>\n<\/li>\n

        11. \n

          }<\/span><\/p>\n<\/li>\n

        12. <\/li>\n
        13. \n

          \/\/ Reverse \u53ea\u662f\u5c06\u5176\u4e2d\u7684 Inferface.Less \u7684\u987a\u5e8f\u5bf9\u8c03\u4e86\u4e00\u4e0b<\/span><\/p>\n<\/li>\n

        14. \n

          func<\/span>(<\/span>r Reverse)<\/span>Less(<\/span>i<\/span>,<\/span>j int<\/span>)<\/span>bool<\/span>{<\/span><\/p>\n<\/li>\n

        15. \n

          return<\/span>r.<\/span>Interface.<\/span>Less(<\/span>j,<\/span>i<\/span>)<\/span><\/p>\n<\/li>\n

        16. \n

          }<\/span><\/p>\n<\/li>\n

        17. <\/li>\n
        18. \n

          func<\/span>main()<\/span>{<\/span><\/p>\n<\/li>\n

        19. \n

          ints :=<\/span>[]<\/span>int<\/span>{<\/span>5<\/span>,<\/span>2<\/span>,<\/span>6<\/span>,<\/span>3<\/span>,<\/span>1<\/span>,<\/span>4<\/span>}<\/span>\/\/ \u672a\u6392\u5e8f<\/span><\/p>\n<\/li>\n

        20. <\/li>\n
        21. \n

          sort.<\/span>Ints<\/span>(<\/span>ints)<\/span>\/\/ \u7279\u6b8a\u6392\u5e8f\u51fd\u6570\uff0c \u5347\u5e8f<\/span><\/p>\n<\/li>\n

        22. \n

          fmt.<\/span>Println<\/span>(<\/span>“after sort by Ints:t<\/span>“<\/span>,<\/span>ints)<\/span>\/\/ [1 2 3 4 5 6]<\/span><\/p>\n<\/li>\n

        23. <\/li>\n
        24. \n

          doubles :=<\/span>[]<\/span>float64<\/span>{<\/span>2<\/span>.<\/span>3<\/span>,<\/span>3<\/span>.<\/span>2<\/span>,<\/span>6<\/span>.<\/span>7<\/span>,<\/span>10<\/span>.<\/span>9<\/span>,<\/span>5<\/span>.<\/span>4<\/span>,<\/span>1<\/span>.<\/span>8<\/span>}<\/span><\/p>\n<\/li>\n

        25. <\/li>\n
        26. \n

          sort.<\/span>Float64s(<\/span>doubles)<\/span>\/\/ float64 \u6392\u5e8f\u7248\u672c 1<\/span><\/p>\n<\/li>\n

        27. \n

          fmt.<\/span>Println<\/span>(<\/span>“after sort by Float64s:t<\/span>“<\/span>,<\/span>doubles)<\/span>\/\/ [1.8 2.3 3.2 5.4 6.7 10.9]<\/span><\/p>\n<\/li>\n

        28. <\/li>\n
        29. \n

          strings :=<\/span>[]<\/span>string<\/span>{<\/span>“hello”<\/span>,<\/span>“good”<\/span>,<\/span>“students”<\/span>,<\/span>“morning”<\/span>,<\/span>“people”<\/span>,<\/span>“world”<\/span>}<\/span><\/p>\n<\/li>\n

        30. \n

          sort.<\/span>Strings<\/span>(<\/span>strings)<\/span><\/p>\n<\/li>\n

        31. \n

          fmt.<\/span>Println<\/span>(<\/span>“after sort by Strings:t<\/span>“<\/span>,<\/span>strings)<\/span>\/\/ [good hello mornig people students world]<\/span><\/p>\n<\/li>\n

        32. <\/li>\n
        33. \n

          ipos :=<\/span>sort.<\/span>SearchInts(<\/span>ints,<\/span>–<\/span>1<\/span>)<\/span>\/\/ int \u641c\u7d22<\/span><\/p>\n<\/li>\n

        34. \n

          fmt.<\/span>Printf<\/span>(<\/span>“pos of 5 is %d thn<\/span>“<\/span>,<\/span>ipos)<\/span>\/\/ \u5e76\u4e0d\u603b\u662f\u6b63\u786e\u5440 ! (\u641c\u7d22\u4e0d\u662f\u91cd\u70b9)<\/span><\/p>\n<\/li>\n

        35. <\/li>\n
        36. \n

          dpos :=<\/span>sort.<\/span>SearchFloat64s(<\/span>doubles,<\/span>20<\/span>.<\/span>1<\/span>)<\/span>\/\/ float64 \u641c\u7d22<\/span><\/p>\n<\/li>\n

        37. \n

          fmt.<\/span>Printf<\/span>(<\/span>“pos of 5.0 is %d thn<\/span>“<\/span>,<\/span>dpos)<\/span>\/\/ \u5e76\u4e0d\u603b\u662f\u6b63\u786e\u5440 !<\/span><\/p>\n<\/li>\n

        38. <\/li>\n
        39. \n

          fmt.<\/span>Printf<\/span>(<\/span>“doubles is asc ? %vn<\/span>“<\/span>,<\/span>sort.<\/span>Float64sAreSorted(<\/span>doubles))<\/span><\/p>\n<\/li>\n

        40. <\/li>\n
        41. \n

          doubles =<\/span>[]<\/span>float64<\/span>{<\/span>3<\/span>.<\/span>5<\/span>,<\/span>4<\/span>.<\/span>2<\/span>,<\/span>8<\/span>.<\/span>9<\/span>,<\/span>100<\/span>.<\/span>98<\/span>,<\/span>20<\/span>.<\/span>14<\/span>,<\/span>79<\/span>.<\/span>32<\/span>}<\/span><\/p>\n<\/li>\n

        42. \n

          \/\/ sort.Sort(sort.Float64Slice(doubles)) \/\/ float64 \u6392\u5e8f\u65b9\u6cd5 2<\/span><\/p>\n<\/li>\n

        43. \n

          \/\/ fmt.Println(“after sort by Sort:t”, doubles) \/\/ [3.5 4.2 8.9 20.14 79.32 100.98]<\/span><\/p>\n<\/li>\n

        44. \n

          (<\/span>sort.<\/span>Float64Slice(<\/span>doubles))<\/span>.<\/span>Sort()<\/span>\/\/ float64 \u6392\u5e8f\u65b9\u6cd5 3<\/span><\/p>\n<\/li>\n

        45. \n

          fmt.<\/span>Println<\/span>(<\/span>“after sort by Sort:t<\/span>“<\/span>,<\/span>doubles)<\/span>\/\/ [3.5 4.2 8.9 20.14 79.32 100.98]<\/span><\/p>\n<\/li>\n

        46. <\/li>\n
        47. \n

          sort.<\/span>Sort(<\/span>Reverse{<\/span>sort.<\/span>Float64Slice(<\/span>doubles)})<\/span>\/\/ float64 \u9006\u5e8f\u6392\u5e8f<\/span><\/p>\n<\/li>\n

        48. \n

          fmt.<\/span>Println<\/span>(<\/span>“after sort by Reversed Sort:t<\/span>“<\/span>,<\/span>doubles)<\/span>\/\/ [100.98 79.32 20.14 8.9 4.2 3.5]<\/span><\/p>\n<\/li>\n

        49. \n

          }<\/span><\/p>\n<\/li>\n<\/ol>\n

          sort.Ints \/ sort.Float64s \/ sort.Strings \u5206\u522b\u6765\u5bf9\u6574\u578b\/\u6d6e\u70b9\u578b\/\u5b57\u7b26\u4e32\u578b\u5206\u7247\u6216\u662f\u53eb\u505a\u7247\u6bb5\uff0c\u6216\u662f\u4e0d\u4e25\u683c\u6ef4\u8bf4\u662f\u6570\u7ec4\uff0c\u8fdb\u884c\u6392\u5e8f\u3002\u7136\u540e\u662f\u6709\u4e2a\u6d4b\u8bd5\u662f\u5426\u6709\u5e8f\u7684\u51fd\u6570\u3002\u8fd8\u6709\u5206\u522b\u5bf9\u5e94\u7684 search \u51fd\u6570\uff0c\u4e0d\u8fc7\uff0c\u53d1\u73b0\u641c\u7d22\u51fd\u6570\u53ea\u80fd\u5b9a\u4f4d\u5230\u5982\u679c\u5b58\u5728\u7684\u8bdd\u7684\u4f4d\u7f6e\uff0c\u4e0d\u5b58\u5728\u7684\u8bdd\uff0c\u4f4d\u7f6e\u5c31\u662f\u4e0d\u5bf9\u7684\u3002<\/p>\n

          \u5173\u4e8e\u4e00\u822c\u7684\u6570\u7ec4\u6392\u5e8f\uff0c\u7a0b\u5e8f\u4e2d\u663e\u793a\u4e86\uff0c\u6709 3 \u79cd\u65b9\u6cd5\uff01\u76ee\u524d\u63d0\u4f9b\u7684\u4e09\u79cd\u7c7b\u578b int\uff0cfloat64 \u548c string \u5448\u73b0\u5bf9\u79f0\u7684\uff0c\u4e5f\u5c31\u662f\u4f60\u6709\u7684\uff0c\u5bf9\u5e94\u7684\u6211\u4e5f\u6709\u3002<\/p>\n

          \u5173\u4e8e\u7ffb\u8f6c\u6392\u5e8f\u6216\u662f\u9006\u5411\u6392\u5e8f\uff0c\u5c31\u662f\u7528\u4e2a\u7ffb\u8f6c\u7ed3\u6784\u4f53\uff0c\u91cd\u5199 Less \u51fd\u6570\u5373\u53ef\u3002\u4e0a\u9762\u7684 Reverse \u662f\u4e2a\u901a\u7528\u7684\u7ed3\u6784\u4f53\u3002<\/p>\n

          \u4e0a\u9762\u8bf4\u4e86\u90a3\u4e48\u591a\uff0c \u53ea\u662f\u5bf9\u57fa\u672c\u7c7b\u578b\u8fdb\u884c\u6392\u5e8f\uff0c \u8be5\u5230\u8bf4\u8bf4 struct \u7ed3\u6784\u4f53\u7c7b\u578b\u7684\u6392\u5e8f\u7684\u65f6\u5019\u4e86\uff0c \u5b9e\u9645\u4e2d\u8fd9\u4e2a\u7528\u5f97\u5230\u7684\u4f1a\u66f4\u591a\u3002<\/p>\n

          \u7ed3\u6784\u4f53\u7c7b\u578b\u7684\u6392\u5e8f<\/p>\n

          \u7ed3\u6784\u4f53\u7c7b\u578b\u7684\u6392\u5e8f\u662f\u901a\u8fc7\u4f7f\u7528 sort.Sort(slice) \u5b9e\u73b0\u7684\uff0c \u53ea\u8981 slice \u5b9e\u73b0\u4e86 sort.Interface \u7684\u4e09\u4e2a\u65b9\u6cd5\u5c31\u53ef\u4ee5\u3002 \u867d\u7136\u8fd9\u4e48\u8bf4\uff0c\u4f46\u662f\u6392\u5e8f\u7684\u65b9\u6cd5\u5374\u6709\u90a3\u4e48\u597d\u51e0\u79cd\u3002\u9996\u5148\u4e00\u79cd\u5c31\u662f\u6a21\u62df\u6392\u5e8f [] int \u6784\u9020\u5bf9\u5e94\u7684 IntSlice \u7c7b\u578b\uff0c\u7136\u540e\u5bf9 IntSlice \u7c7b\u578b\u5b9e\u73b0 Interface \u7684\u4e09\u4e2a\u65b9\u6cd5\u3002<\/p>\n

          \"\"<\/p>\n

          \u7ed3\u6784\u4f53\u6392\u5e8f\u65b9\u6cd5 1<\/p>\n

            \n
          1. \n

            package<\/span>main<\/p>\n<\/li>\n

          2. <\/li>\n
          3. \n

            import<\/span>(<\/span><\/p>\n<\/li>\n

          4. \n

            “fmt”<\/span><\/p>\n<\/li>\n

          5. \n

            “sort”<\/span><\/p>\n<\/li>\n

          6. \n

            )<\/span><\/p>\n<\/li>\n

          7. <\/li>\n
          8. \n

            type<\/span>Person struct<\/span>{<\/span><\/p>\n<\/li>\n

          9. \n

            Name string<\/span>\/\/ \u59d3\u540d<\/span><\/p>\n<\/li>\n

          10. \n

            Age int<\/span>\/\/ \u5e74\u7eaa<\/span><\/p>\n<\/li>\n

          11. \n

            }<\/span><\/p>\n<\/li>\n

          12. <\/li>\n
          13. \n

            \/\/ \u6309\u7167 Person.Age \u4ece\u5927\u5230\u5c0f\u6392\u5e8f<\/span><\/p>\n<\/li>\n

          14. \n

            type<\/span>PersonSlice []<\/span>Person<\/p>\n<\/li>\n

          15. <\/li>\n
          16. \n

            func<\/span>(<\/span>a PersonSlice)<\/span>Len()<\/span>int<\/span>{<\/span>\/\/ \u91cd\u5199 Len() \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

          17. \n

            return<\/span>len<\/span>(<\/span>a)<\/span><\/p>\n<\/li>\n

          18. \n

            }<\/span><\/p>\n<\/li>\n

          19. \n

            func<\/span>(<\/span>a PersonSlice)<\/span>Swap(<\/span>i<\/span>,<\/span>j int<\/span>){<\/span>\/\/ \u91cd\u5199 Swap() \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

          20. \n

            a[<\/span>i<\/span>],<\/span>a[<\/span>j]<\/span>=<\/span>a[<\/span>j],<\/span>a[<\/span>i<\/span>]<\/span><\/p>\n<\/li>\n

          21. \n

            }<\/span><\/p>\n<\/li>\n

          22. \n

            func<\/span>(<\/span>a PersonSlice)<\/span>Less(<\/span>i<\/span>,<\/span>j int<\/span>)<\/span>bool<\/span>{<\/span>\/\/ \u91cd\u5199 Less() \u65b9\u6cd5\uff0c \u4ece\u5927\u5230\u5c0f\u6392\u5e8f<\/span><\/p>\n<\/li>\n

          23. \n

            return<\/span>a[<\/span>j]<\/span>.<\/span>Age < a[<\/span>i<\/span>]<\/span>.<\/span>Age<\/p>\n<\/li>\n

          24. \n

            }<\/span><\/p>\n<\/li>\n

          25. <\/li>\n
          26. \n

            func<\/span>main()<\/span>{<\/span><\/p>\n<\/li>\n

          27. \n

            people :=<\/span>[]<\/span>Person{<\/span><\/p>\n<\/li>\n

          28. \n

            {<\/span>“zhang san”<\/span>,<\/span>12<\/span>},<\/span><\/p>\n<\/li>\n

          29. \n

            {<\/span>“li si”<\/span>,<\/span>30<\/span>},<\/span><\/p>\n<\/li>\n

          30. \n

            {<\/span>“wang wu”<\/span>,<\/span>52<\/span>},<\/span><\/p>\n<\/li>\n

          31. \n

            {<\/span>“zhao liu”<\/span>,<\/span>26<\/span>},<\/span><\/p>\n<\/li>\n

          32. \n

            }<\/span><\/p>\n<\/li>\n

          33. <\/li>\n
          34. \n

            fmt.<\/span>Println(<\/span>people)<\/span><\/p>\n<\/li>\n

          35. <\/li>\n
          36. \n

            sort.<\/span>Sort(<\/span>PersonSlice(<\/span>people))<\/span>\/\/ \u6309\u7167 Age \u7684\u9006\u5e8f\u6392\u5e8f<\/span><\/p>\n<\/li>\n

          37. \n

            fmt.<\/span>Println<\/span>(<\/span>people)<\/span><\/p>\n<\/li>\n

          38. <\/li>\n
          39. \n

            sort.<\/span>Sort<\/span>(<\/span>sort.<\/span>Reverse<\/span>(<\/span>PersonSlice(<\/span>people)))<\/span>\/\/ \u6309\u7167 Age \u7684\u5347\u5e8f\u6392\u5e8f<\/span><\/p>\n<\/li>\n

          40. \n

            fmt.<\/span>Println<\/span>(<\/span>people)<\/span><\/p>\n<\/li>\n

          41. <\/li>\n
          42. \n

            }<\/span><\/p>\n<\/li>\n<\/ol>\n

            \u8fd9\u5b8c\u5168\u662f\u4e00\u79cd\u6a21\u62df\u7684\u65b9\u5f0f\uff0c\u6240\u4ee5\u5982\u679c\u61c2\u4e86 IntSlice \u81ea\u7136\u5c31\u7406\u89e3\u8fd9\u91cc\u4e86\uff0c\u53cd\u8fc7\u6765\uff0c\u7406\u89e3\u4e86\u8fd9\u91cc\u90a3\u4e48 IntSlice \u90a3\u91cc\u4e5f\u5c31\u61c2\u4e86\u3002<\/p>\n

            \u7ed3\u6784\u4f53\u6392\u5e8f\u65b9\u6cd5 2<\/p>\n

            \u65b9\u6cd5 1 \u7684\u7f3a\u70b9\u662f \uff1a \u6839\u636e Age \u6392\u5e8f\u9700\u8981\u91cd\u65b0\u5b9a\u4e49 PersonSlice \u65b9\u6cd5\uff0c\u7ed1\u5b9a Len \u3001 Less \u548c Swap \u65b9\u6cd5\uff0c \u5982\u679c\u9700\u8981\u6839\u636e Name \u6392\u5e8f\uff0c \u53c8\u9700\u8981\u91cd\u65b0\u5199\u4e09\u4e2a\u51fd\u6570\uff1b \u5982\u679c\u7ed3\u6784\u4f53\u6709 4 \u4e2a\u5b57\u6bb5\uff0c\u6709\u56db\u79cd\u7c7b\u578b\u7684\u6392\u5e8f\uff0c\u90a3\u4e48\u5c31\u8981\u5199 3 \u00d7 4 = 12 \u4e2a\u65b9\u6cd5\uff0c \u5373\u4f7f\u6709\u4e00\u4e9b\u5b8c\u5168\u662f\u591a\u4f59\u7684\uff0c O__O”\u2026 \u4ed4\u7ec6\u601d\u91cf\u4e00\u4e0b\uff0c\u6839\u636e\u4e0d\u540c\u7684\u6807\u51c6 Age \u6216\u662f Name\uff0c \u771f\u6b63\u4e0d\u540c\u7684\u4f53\u73b0\u5728 Less \u65b9\u6cd5\u4e0a\uff0c\u6240\u4ee5\uff0c me \u4eec\u5c06 Less \u62bd\u8c61\u51fa\u6765\uff0c \u6bcf\u79cd\u6392\u5e8f\u7684 Less \u8ba9\u5176\u53d8\u6210\u52a8\u6001\u7684\uff0c\u6bd4\u5982\u4e0b\u9762\u4e00\u79cd\u65b9\u6cd5\u3002<\/p>\n

              \n
            1. \n

              package<\/span>main<\/p>\n<\/li>\n

            2. <\/li>\n
            3. \n

              import<\/span>(<\/span><\/p>\n<\/li>\n

            4. \n

              “fmt”<\/span><\/p>\n<\/li>\n

            5. \n

              “sort”<\/span><\/p>\n<\/li>\n

            6. \n

              )<\/span><\/p>\n<\/li>\n

            7. <\/li>\n
            8. \n

              type<\/span>Person struct<\/span>{<\/span><\/p>\n<\/li>\n

            9. \n

              Name string<\/span>\/\/ \u59d3\u540d<\/span><\/p>\n<\/li>\n

            10. \n

              Age int<\/span>\/\/ \u5e74\u7eaa<\/span><\/p>\n<\/li>\n

            11. \n

              }<\/span><\/p>\n<\/li>\n

            12. <\/li>\n
            13. \n

              type<\/span>PersonWrapper struct<\/span>{<\/span><\/p>\n<\/li>\n

            14. \n

              people []<\/span>Person<\/p>\n<\/li>\n

            15. \n

              by func<\/span>(<\/span>p,<\/span>q *<\/span>Person)<\/span>bool<\/span><\/p>\n<\/li>\n

            16. \n

              }<\/span><\/p>\n<\/li>\n

            17. <\/li>\n
            18. \n

              func<\/span>(<\/span>pw PersonWrapper)<\/span>Len()<\/span>int<\/span>{<\/span>\/\/ \u91cd\u5199 Len() \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

            19. \n

              return<\/span>len<\/span>(<\/span>pw.<\/span>people)<\/span><\/p>\n<\/li>\n

            20. \n

              }<\/span><\/p>\n<\/li>\n

            21. \n

              func<\/span>(<\/span>pw PersonWrapper)<\/span>Swap(<\/span>i<\/span>,<\/span>j int<\/span>){<\/span>\/\/ \u91cd\u5199 Swap() \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

            22. \n

              pw.<\/span>people[<\/span>i<\/span>],<\/span>pw.<\/span>people[<\/span>j]<\/span>=<\/span>pw.<\/span>people[<\/span>j],<\/span>pw.<\/span>people[<\/span>i<\/span>]<\/span><\/p>\n<\/li>\n

            23. \n

              }<\/span><\/p>\n<\/li>\n

            24. \n

              func<\/span>(<\/span>pw PersonWrapper)<\/span>Less(<\/span>i<\/span>,<\/span>j int<\/span>)<\/span>bool<\/span>{<\/span>\/\/ \u91cd\u5199 Less() \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

            25. \n

              return<\/span>pw.<\/span>by(<\/span>&pw.<\/span>people[<\/span>i<\/span>],<\/span>&pw.<\/span>people[<\/span>j])<\/span><\/p>\n<\/li>\n

            26. \n

              }<\/span><\/p>\n<\/li>\n

            27. <\/li>\n
            28. \n

              func<\/span>main()<\/span>{<\/span><\/p>\n<\/li>\n

            29. \n

              people :=<\/span>[]<\/span>Person{<\/span><\/p>\n<\/li>\n

            30. \n

              {<\/span>“zhang san”<\/span>,<\/span>12<\/span>},<\/span><\/p>\n<\/li>\n

            31. \n

              {<\/span>“li si”<\/span>,<\/span>30<\/span>},<\/span><\/p>\n<\/li>\n

            32. \n

              {<\/span>“wang wu”<\/span>,<\/span>52<\/span>},<\/span><\/p>\n<\/li>\n

            33. \n

              {<\/span>“zhao liu”<\/span>,<\/span>26<\/span>},<\/span><\/p>\n<\/li>\n

            34. \n

              }<\/span><\/p>\n<\/li>\n

            35. <\/li>\n
            36. \n

              fmt.<\/span>Println(<\/span>people)<\/span><\/p>\n<\/li>\n

            37. <\/li>\n
            38. \n

              sort.<\/span>Sort(<\/span>PersonWrapper{<\/span>people,<\/span>func<\/span>(<\/span>p,<\/span>q *<\/span>Person)<\/span>bool<\/span>{<\/span><\/p>\n<\/li>\n

            39. \n

              return<\/span>q.<\/span>Age < p.<\/span>Age \/\/ Age \u9012\u51cf\u6392\u5e8f<\/span><\/p>\n<\/li>\n

            40. \n

              }})<\/span><\/p>\n<\/li>\n

            41. <\/li>\n
            42. \n

              fmt.<\/span>Println(<\/span>people)<\/span><\/p>\n<\/li>\n

            43. \n

              sort.<\/span>Sort(<\/span>PersonWrapper{<\/span>people,<\/span>func<\/span>(<\/span>p,<\/span>q *<\/span>Person)<\/span>bool<\/span>{<\/span><\/p>\n<\/li>\n

            44. \n

              return<\/span>p.<\/span>Name < q.<\/span>Name \/\/ Name \u9012\u589e\u6392\u5e8f<\/span><\/p>\n<\/li>\n

            45. \n

              }})<\/span><\/p>\n<\/li>\n

            46. <\/li>\n
            47. \n

              fmt.<\/span>Println<\/span>(<\/span>people)<\/span><\/p>\n<\/li>\n

            48. <\/li>\n
            49. \n

              }<\/span><\/p>\n<\/li>\n<\/ol>\n

              \u65b9\u6cd5 2 \u5c06 [] Person \u548c\u6bd4\u8f83\u7684\u51c6\u5219 cmp \u5c01\u88c5\u5728\u4e86\u4e00\u8d77\uff0c\u5f62\u6210\u4e86 PersonWrapper \u51fd\u6570\uff0c\u7136\u540e\u5728\u5176\u4e0a\u7ed1\u5b9a Len \u3001 Less \u548c Swap \u65b9\u6cd5\u3002 \u5b9e\u9645\u4e0a sort.Sort(pw) \u6392\u5e8f\u7684\u662f pw \u4e2d\u7684 people\uff0c \u8fd9\u5c31\u662f\u524d\u9762\u8bf4\u7684\uff0cgo \u7684\u6392\u5e8f\u672a\u5fc5\u5c31\u662f\u9488\u5bf9\u7684\u4e00\u4e2a\u6570\u7ec4\u6216\u662f slice\uff0c \u800c\u53ef\u4ee5\u662f\u4e00\u4e2a\u5bf9\u8c61\u4e2d\u7684\u6570\u7ec4\u6216\u662f slice <\/span>\u3002<\/p>\n

              \u7ed3\u6784\u4f53\u6392\u5e8f\u65b9\u6cd5 3<\/p>\n

              me \u8d76\u811a\u65b9\u6cd5 2 \u5df2\u7ecf\u5f88\u4e0d\u9519\u4e86\uff0c \u552f\u4e00\u4e00\u4e2a\u7f3a\u70b9\u662f\uff0c\u5728 main \u4e2d\u4f7f\u7528\u7684\u65f6\u5019\u66b4\u9732\u4e86 sort.Sort \u7684\u4f7f\u7528\uff0c\u8fd8\u6709\u5c31\u662f PersonWrapper \u7684\u6784\u9020\u3002 \u4e3a\u4e86\u8ba9 main \u4e2d\u4f7f\u7528\u8d77\u6765\u66f4\u4e3a\u65b9\u4fbf\uff0c me \u4eec\u53ef\u4ee5\u518d\u7b80\u5355\u7684\u5c01\u88c5\u4e00\u4e0b\uff0c \u6784\u9020\u4e00\u4e2a SortPerson \u65b9\u6cd5\uff0c \u5982\u4e0b\uff1a<\/p>\n

                \n
              1. \n

                package<\/span>main<\/p>\n<\/li>\n

              2. <\/li>\n
              3. \n

                import<\/span>(<\/span><\/p>\n<\/li>\n

              4. \n

                “fmt”<\/span><\/p>\n<\/li>\n

              5. \n

                “sort”<\/span><\/p>\n<\/li>\n

              6. \n

                )<\/span><\/p>\n<\/li>\n

              7. <\/li>\n
              8. \n

                type<\/span>Person struct<\/span>{<\/span><\/p>\n<\/li>\n

              9. \n

                Name string<\/span>\/\/ \u59d3\u540d<\/span><\/p>\n<\/li>\n

              10. \n

                Age int<\/span>\/\/ \u5e74\u7eaa<\/span><\/p>\n<\/li>\n

              11. \n

                }<\/span><\/p>\n<\/li>\n

              12. <\/li>\n
              13. \n

                type<\/span>PersonWrapper struct<\/span>{<\/span><\/p>\n<\/li>\n

              14. \n

                people []<\/span>Person<\/p>\n<\/li>\n

              15. \n

                by func<\/span>(<\/span>p,<\/span>q *<\/span>Person)<\/span>bool<\/span><\/p>\n<\/li>\n

              16. \n

                }<\/span><\/p>\n<\/li>\n

              17. <\/li>\n
              18. \n

                type<\/span>SortBy func<\/span>(<\/span>p,<\/span>q *<\/span>Person)<\/span>bool<\/span><\/p>\n<\/li>\n

              19. <\/li>\n
              20. \n

                func<\/span>(<\/span>pw PersonWrapper)<\/span>Len()<\/span>int<\/span>{<\/span>\/\/ \u91cd\u5199 Len() \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

              21. \n

                return<\/span>len<\/span>(<\/span>pw.<\/span>people)<\/span><\/p>\n<\/li>\n

              22. \n

                }<\/span><\/p>\n<\/li>\n

              23. \n

                func<\/span>(<\/span>pw PersonWrapper)<\/span>Swap(<\/span>i<\/span>,<\/span>j int<\/span>){<\/span>\/\/ \u91cd\u5199 Swap() \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

              24. \n

                pw.<\/span>people[<\/span>i<\/span>],<\/span>pw.<\/span>people[<\/span>j]<\/span>=<\/span>pw.<\/span>people[<\/span>j],<\/span>pw.<\/span>people[<\/span>i<\/span>]<\/span><\/p>\n<\/li>\n

              25. \n

                }<\/span><\/p>\n<\/li>\n

              26. \n

                func<\/span>(<\/span>pw PersonWrapper)<\/span>Less(<\/span>i<\/span>,<\/span>j int<\/span>)<\/span>bool<\/span>{<\/span>\/\/ \u91cd\u5199 Less() \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

              27. \n

                return<\/span>pw.<\/span>by(<\/span>&pw.<\/span>people[<\/span>i<\/span>],<\/span>&pw.<\/span>people[<\/span>j])<\/span><\/p>\n<\/li>\n

              28. \n

                }<\/span><\/p>\n<\/li>\n

              29. <\/li>\n
              30. <\/li>\n
              31. \n

                func<\/span>SortPerson(<\/span>people []<\/span>Person,<\/span>by SortBy){<\/span>\/\/ SortPerson \u65b9\u6cd5<\/span><\/p>\n<\/li>\n

              32. \n

                sort.<\/span>Sort(<\/span>PersonWrapper{<\/span>people,<\/span>by})<\/span><\/p>\n<\/li>\n

              33. \n

                }<\/span><\/p>\n<\/li>\n

              34. <\/li>\n
              35. \n

                func<\/span>main()<\/span>{<\/span><\/p>\n<\/li>\n

              36. \n

                people :=<\/span>[]<\/span>Person{<\/span><\/p>\n<\/li>\n

              37. \n

                {<\/span>“zhang san”<\/span>,<\/span>12<\/span>},<\/span><\/p>\n<\/li>\n

              38. \n

                {<\/span>“li si”<\/span>,<\/span>30<\/span>},<\/span><\/p>\n<\/li>\n

              39. \n

                {<\/span>“wang wu”<\/span>,<\/span>52<\/span>},<\/span><\/p>\n<\/li>\n

              40. \n

                {<\/span>“zhao liu”<\/span>,<\/span>26<\/span>},<\/span><\/p>\n<\/li>\n

              41. \n

                }<\/span><\/p>\n<\/li>\n

              42. <\/li>\n
              43. \n

                fmt.<\/span>Println(<\/span>people)<\/span><\/p>\n<\/li>\n

              44. <\/li>\n
              45. \n

                sort.<\/span>Sort(<\/span>PersonWrapper{<\/span>people,<\/span>func<\/span>(<\/span>p,<\/span>q *<\/span>Person)<\/span>bool<\/span>{<\/span><\/p>\n<\/li>\n

              46. \n

                return<\/span>q.<\/span>Age < p.<\/span>Age \/\/ Age \u9012\u51cf\u6392\u5e8f<\/span><\/p>\n<\/li>\n

              47. \n

                }})<\/span><\/p>\n<\/li>\n

              48. <\/li>\n
              49. \n

                fmt.<\/span>Println(<\/span>people)<\/span><\/p>\n<\/li>\n

              50. <\/li>\n
              51. \n

                SortPerson(<\/span>people,<\/span>func<\/span>(<\/span>p,<\/span>q *<\/span>Person)<\/span>bool<\/span>{<\/span><\/p>\n<\/li>\n

              52. \n

                return<\/span>p.<\/span>Name < q.<\/span>Name \/\/ Name \u9012\u589e\u6392\u5e8f<\/span><\/p>\n<\/li>\n

              53. \n

                })<\/span><\/p>\n<\/li>\n

              54. <\/li>\n
              55. \n

                fmt.<\/span>Println<\/span>(<\/span>people)<\/span><\/p>\n<\/li>\n

              56. <\/li>\n
              57. \n

                }<\/span><\/p>\n<\/li>\n<\/ol>\n

                \u5728\u65b9\u6cd5 2 \u7684\u57fa\u7840\u4e0a\u6784\u9020\u4e86 SortPerson \u51fd\u6570\uff0c\u4f7f\u7528\u7684\u65f6\u5019\u4f20\u8fc7\u53bb\u4e00\u4e2a [] Person \u548c\u4e00\u4e2a cmp \u51fd\u6570\u3002<\/p>\n

                \u7ed3\u6784\u4f53\u6392\u5e8f\u65b9\u6cd5 4<\/p>\n

                \u4e0b\u9762\u662f\u53e6\u5916\u4e00\u4e2a\u5b9e\u73b0\u601d\u8def\uff0c \u53ef\u4ee5\u8bf4\u662f\u65b9\u6cd5 1\u3001 2 \u7684\u53d8\u4f53\u3002<\/p>\n

                  \n
                1. \n

                  package<\/span>main<\/p>\n<\/li>\n

                2. <\/li>\n
                3. \n

                  import<\/span>(<\/span><\/p>\n<\/li>\n

                4. \n

                  “fmt”<\/span><\/p>\n<\/li>\n

                5. \n

                  “sort”<\/span><\/p>\n<\/li>\n

                6. \n

                  )<\/span><\/p>\n<\/li>\n

                7. <\/li>\n
                8. \n

                  type<\/span>Person struct<\/span>{<\/span><\/p>\n<\/li>\n

                9. \n

                  Name string<\/span><\/p>\n<\/li>\n

                10. \n

                  Weight int<\/span><\/p>\n<\/li>\n

                11. \n

                  }<\/span><\/p>\n<\/li>\n

                12. <\/li>\n
                13. \n

                  type<\/span>PersonSlice []<\/span>Person<\/p>\n<\/li>\n

                14. <\/li>\n
                15. \n

                  func<\/span>(<\/span>s PersonSlice)<\/span>Len()<\/span>int<\/span>{<\/span>return<\/span>len<\/span>(<\/span>s)<\/span>}<\/span><\/p>\n<\/li>\n

                16. \n

                  func<\/span>(<\/span>s PersonSlice)<\/span>Swap(<\/span>i<\/span>,<\/span>j int<\/span>)<\/span>{<\/span>s[<\/span>i<\/span>],<\/span>s[<\/span>j]<\/span>=<\/span>s[<\/span>j],<\/span>s[<\/span>i<\/span>]<\/span>}<\/span><\/p>\n<\/li>\n

                17. <\/li>\n
                18. \n

                  type<\/span>ByName struct<\/span>{<\/span>PersonSlice }<\/span>\/\/ \u5c06 PersonSlice \u5305\u88c5\u8d77\u6765\u5230 ByName \u4e2d<\/span><\/p>\n<\/li>\n

                19. <\/li>\n
                20. \n

                  func<\/span>(<\/span>s ByName)<\/span>Less(<\/span>i<\/span>,<\/span>j int<\/span>)<\/span>bool<\/span>{<\/span>return<\/span>s.<\/span>PersonSlice[<\/span>i<\/span>]<\/span>.<\/span>Name < s.<\/span>PersonSlice[<\/span>j]<\/span>.<\/span>Name }<\/span>\/\/ \u5c06 Less \u7ed1\u5b9a\u5230 ByName \u4e0a<\/span><\/p>\n<\/li>\n

                21. <\/li>\n
                22. <\/li>\n
                23. \n

                  type<\/span>ByWeight struct<\/span>{<\/span>PersonSlice }<\/span>\/\/ \u5c06 PersonSlice \u5305\u88c5\u8d77\u6765\u5230 ByWeight \u4e2d<\/span><\/p>\n<\/li>\n

                24. \n

                  func<\/span>(<\/span>s ByWeight)<\/span>Less(<\/span>i<\/span>,<\/span>j int<\/span>)<\/span>bool<\/span>{<\/span>return<\/span>s.<\/span>PersonSlice[<\/span>i<\/span>]<\/span>.<\/span>Weight < s.<\/span>PersonSlice[<\/span>j]<\/span>.<\/span>Weight}<\/span>\/\/ \u5c06 Less \u7ed1\u5b9a\u5230 ByWeight \u4e0a<\/span><\/p>\n<\/li>\n

                25. <\/li>\n
                26. \n

                  func<\/span>main()<\/span>{<\/span><\/p>\n<\/li>\n

                27. \n

                  s :=<\/span>[]<\/span>Person{<\/span><\/p>\n<\/li>\n

                28. \n

                  {<\/span>“apple”<\/span>,<\/span>12<\/span>},<\/span><\/p>\n<\/li>\n

                29. \n

                  {<\/span>“pear”<\/span>,<\/span>20<\/span>},<\/span><\/p>\n<\/li>\n

                30. \n

                  {<\/span>“banana”<\/span>,<\/span>50<\/span>},<\/span><\/p>\n<\/li>\n

                31. \n

                  {<\/span>“orange”<\/span>,<\/span>87<\/span>},<\/span><\/p>\n<\/li>\n

                32. \n

                  {<\/span>“hello”<\/span>,<\/span>34<\/span>},<\/span><\/p>\n<\/li>\n

                33. \n

                  {<\/span>“world”<\/span>,<\/span>43<\/span>},<\/span><\/p>\n<\/li>\n

                34. \n

                  }<\/span><\/p>\n<\/li>\n

                35. <\/li>\n
                36. \n

                  sort.<\/span>Sort(<\/span>ByWeight{<\/span>s})<\/span><\/p>\n<\/li>\n

                37. \n

                  fmt.<\/span>Println(<\/span>“People by weight:”<\/span>)<\/span><\/p>\n<\/li>\n

                38. \n

                  printPeople(<\/span>s)<\/span><\/p>\n<\/li>\n

                39. <\/li>\n
                40. \n

                  sort.<\/span>Sort<\/span>(<\/span>ByName{<\/span>s})<\/span><\/p>\n<\/li>\n

                41. \n

                  fmt.<\/span>Println<\/span>(<\/span>“n<\/span>People by name:”<\/span>)<\/span><\/p>\n<\/li>\n

                42. \n

                  printPeople(<\/span>s)<\/span><\/p>\n<\/li>\n

                43. <\/li>\n
                44. \n

                  }<\/span><\/p>\n<\/li>\n

                45. <\/li>\n
                46. \n

                  func<\/span>printPeople(<\/span>s []<\/span>Person)<\/span>{<\/span><\/p>\n<\/li>\n

                47. \n

                  for<\/span>_,<\/span>o :=<\/span>range<\/span>s {<\/span><\/p>\n<\/li>\n

                48. \n

                  fmt.<\/span>Printf(<\/span>“%-8s (%v)n<\/span>“<\/span>,<\/span>o.<\/span>Name<\/span>,<\/span>o.<\/span>Weight<\/span>)<\/span><\/p>\n<\/li>\n

                49. \n

                  }<\/span><\/p>\n<\/li>\n

                50. \n

                  }<\/span><\/p>\n<\/li>\n<\/ol>\n

                  \u5bf9\u7ed3\u6784\u4f53\u7684\u6392\u5e8f\uff0c \u6682\u65f6\u5c31\u5230\u8fd9\u91cc\u3002 \u7b2c\u4e00\u79cd\u6392\u5e8f\u5bf9\u53ea\u6839\u636e\u4e00\u4e2a\u5b57\u6bb5\u7684\u6bd4\u8f83\u5408\u9002\uff0c \u53e6\u5916\u4e09\u4e2a\u662f\u9488\u5bf9\u53ef\u80fd\u6839\u636e\u591a\u4e2a\u5b57\u6bb5\u6392\u5e8f\u7684\u3002\u65b9\u6cd5 4 me \u8ba4\u4e3a\u6bcf\u6b21\u90fd\u8981\u591a\u6784\u9020\u4e00\u4e2a ByXXX \uff0c \u9887\u4e3a\u4e0d\u4fbf\uff0c \u8fd9\u6837\u591a\u9ebb\u70e6\uff0c\u4e0d\u5982\u65b9\u6cd5 2 \u548c\u65b9\u6cd5 3 \u6765\u7684\u65b9\u4fbf\uff0c\u76f4\u63a5\u4f20\u8fdb\u53bb\u4e00\u4e2a cmp \uff0c\u7136\u540e okay \u3002 2\u3001 3 \u6ca1\u6709\u592a\u5927\u7684\u5dee\u522b\uff0c 3 \u53ea\u662f\u7b80\u5355\u5c01\u88c5\u4e86\u4e00\u4e0b\u800c\u5df2\uff0c \u5bf9\u4e8e\u4f7f\u7528\u8005\u6765\u8bf4\uff0c \u53ef\u80fd\u4f1a\u66f4\u65b9\u4fbf\u4e00\u4e9b\uff0c\u800c\u4e14\u4e5f\u4f1a\u66f4\u5c11\u7684\u51fa\u9519\u3002<\/p>\n

                  \u5173\u4e8e go \u7684\u6392\u5e8f\u8fd8\u6ca1\u6709\u7ed3\u675f\uff0c \u5982\u679c u \u5df2\u7ecf\u7d2f\u4e86\uff0c \u5c31\u6b47\u6b47\u53bb\u5427\uff0c =_=<\/p>\n

                  \u672c\u6587\u6765\u81ea\uff1a\u9646\u4ec1\u8d3e\u4e2a\u4eba\u7ad9\u70b9<\/p>\n

                  \u611f\u8c22\u4f5c\u8005\uff1a\u9646\u4ec1\u8d3e<\/p>\n

                  \u67e5\u770b\u539f\u6587\uff1ago\u8bed\u8a00\u7684\u6392\u5e8f\u548c\u641c\u7d22<\/p>\n

                  <\/div>\n","protected":false},"excerpt":{"rendered":"

                  \u665a\u4e0a\u51c6\u5907\u52a8\u624b\u5199\u70b9 go \u7684\u7a0b\u5e8f\u7684\u65f6\u5019\uff0c\u60f3\u8d77 go \u5982\u4f55\u6392\u5e8f\u7684\u95ee\u9898\u3002\u6392\u5e8f sort \u662f\u4e2a\u57fa\u672c\u7684\u64cd\u4f5c\uff0c\u5f53\u7136\u641c\u7d22 s […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[183],"class_list":["post-117659","post","type-post","status-publish","format-standard","hentry","category-news","tag-183"],"_links":{"self":[{"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/posts\/117659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/comments?post=117659"}],"version-history":[{"count":0,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/posts\/117659\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/media?parent=117659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/categories?post=117659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/tags?post=117659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}