{"id":1671,"date":"2017-01-19T10:59:52","date_gmt":"2017-01-19T02:59:52","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=1671"},"modified":"2017-01-19T10:59:52","modified_gmt":"2017-01-19T02:59:52","slug":"%e6%b7%b1%e5%85%a5-linux-io-%e9%87%8d%e5%ae%9a%e5%90%91","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/%e6%b7%b1%e5%85%a5-linux-io-%e9%87%8d%e5%ae%9a%e5%90%91\/","title":{"rendered":"\u6df1\u5165 Linux I\/O \u91cd\u5b9a\u5411"},"content":{"rendered":"

\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u8bf4\u767d\u4e86\u5c31\u662f\u6587\u4ef6\u7cfb\u7edf\u4e3a\u4e86\u8ddf\u8e2a\u8fd9\u4e2a\u6253\u5f00\u7684\u6587\u4ef6\u800c\u5206\u914d\u7ed9\u5b83\u7684\u4e00\u4e2a\u6570\u5b57\uff0c\u4e5f\u53ef\u4ee5\u7684\u5c06\u5176\u7406\u89e3\u4e3a\u6587\u4ef6\u6307\u9488\u7684\u4e00\u4e2a\u7b80\u5355\u7248\u672c\uff0c\u4e0eC\u8bed\u8a00\u4e2d\u6587\u4ef6\u53e5\u67c4\u7684\u6982\u5ff5\u5f88\u76f8\u4f3c\u3002<\/p>\n

Linux \u4e2d\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u59cb\u7ec8\u6709 3 \u4e2a\u201c\u6587\u4ef6\u201d\u5904\u4e8e\u6253\u5f00\u72b6\u6001\uff0cstdin\uff08\u952e\u76d8\uff09\u3001 stdout\uff08\u5c4f\u5e55\uff09\u548c stderr\uff08\u9519\u8bef\u6d88\u606f\u8f93\u51fa\u5230\u5c4f\u5e55\u4e0a\uff09\u3002\u8fd9 3 \u4e2a\u6587\u4ef6\u548c\u5176\u4ed6\u6253\u5f00\u7684\u6587\u4ef6\u90fd\u53ef\u4ee5\u88ab\u91cd\u5b9a\u5411\u3002\u91cd\u5b9a\u5411\uff0c\u7b80\u5355\u7684\u8bf4\u5c31\u662f\u6355\u6349\u4e00\u4e2a\u6587\u4ef6\u3001\u547d\u4ee4\u3001\u7a0b\u5e8f\u3001\u811a\u672c\uff0c\u6216\u8005\u662f\u811a\u672c\u4e2d\u7684\u4ee3\u7801\u5757\u7684\u8f93\u51fa\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u8f93\u51fa\u4f5c\u4e3a\u8f93\u5165\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u6587\u4ef6\u3001\u547d\u4ee4\u3001\u7a0b\u5e8f\u6216\u811a\u672c\u4e2d\u3002<\/p>\n

\u6bcf\u4e2a\u6253\u5f00\u7684\u6587\u4ef6\u90fd\u4f1a\u88ab\u5206\u914d\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002stdin\u3001stdout \u548c stderr \u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5206\u522b\u662f 0\u30011 \u548c 2\u3002\u9664\u4e86\u8fd9 3 \u4e2a\u6587\u4ef6\uff0c\u5bf9\u4e8e\u5176\u5b83\u90a3\u4e9b\u9700\u8981\u6253\u5f00\u7684\u6587\u4ef6\uff0c\u4fdd\u7559\u4e86\u6587\u4ef6\u63cf\u8ff0\u7b26 3 \u5230 9\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5c06\u8fd9\u4e9b\u989d\u5916\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5206\u914d\u7ed9 stdin\u3001stdout \u6216 stderr \u4f5c\u4e3a\u4e34\u65f6\u7684\u526f\u672c\u94fe\u63a5\u662f\u975e\u5e38\u6709\u7528\u7684\u3002\u5728\u7ecf\u8fc7\u590d\u6742\u7684\u91cd\u5b9a\u5411\u548c\u5237\u65b0\u4e4b\u540e\u9700\u8981\u628a\u5b83\u4eec\u6062\u590d\u6210\u6b63\u5e38\u72b6\u6001\u3002<\/p>\n

\u91cd\u5b9a\u5411<\/h3>\n

> file<\/h4>\n

\u5c06 stdout \u91cd\u5b9a\u5411\u5230\u4e00\u4e2a\u6587\u4ef6\u3002\u5982\u679c\u8fd9\u4e2a\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u90a3\u5c31\u521b\u5efa\uff0c\u5426\u5219\u5c31\u8986\u76d6\u3002<\/p>\n

\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u76ee\u5f55\u6811\u5217\u8868\u7684\u6587\u4ef6\uff1a<\/p>\n

    \n
  1. ls<\/span> -<\/span>lR <\/span>><\/span>dir<\/span>-<\/span>tree<\/span>.<\/span>list<\/span><\/code><\/li>\n<\/ol>\n

    \u6e05\u7a7a\u6587\u4ef6\uff1a<\/p>\n

      \n
    1. :<\/span> ><\/span> file<\/span><\/code><\/li>\n<\/ol>\n

      \u8fd9\u662f\u4e00\u4e2a ><\/code> \u64cd\u4f5c\uff0c\u5c06\u4f1a\u628a\u6587\u4ef6 file \u53d8\u4e3a\u4e00\u4e2a\u7a7a\u6587\u4ef6\uff08\u5c31\u662f size \u4e3a 0\uff09\u3002\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u90a3\u4e48\u5c31\u521b\u5efa\u4e00\u4e2a 0 \u957f\u5ea6\u7684\u6587\u4ef6\uff08\u4e0etouch<\/code> \u7684\u6548\u679c\u76f8\u540c\uff09\u3002:<\/code> \u662f\u4e00\u4e2a\u5360\u4f4d\u7b26\uff0c\u4e0d\u4ea7\u751f\u4efb\u4f55\u8f93\u51fa\u3002<\/p>\n

      \u4e5f\u53ef\u4ee5\u7701\u7565\u00a0:<\/code>\u00a0\u5360\u4f4d\u7b26\uff1a<\/p>\n

        \n
      1. ><\/span> file<\/span><\/code><\/li>\n<\/ol>\n

        \u4e0e\u4e0a\u8fb9\u7684 : ><\/code> \u6548\u679c\u76f8\u540c, \u4f46\u662f\u67d0\u4e9b shell \uff08\u6bd4\u5982 bash\uff09\u53ef\u80fd\u4e0d\u652f\u6301\u8fd9\u79cd\u5f62\u5f0f\u3002<\/p>\n

        >> file<\/h4>\n

        \u5c06 stdout \u91cd\u5b9a\u5411\u5230\u4e00\u4e2a\u6587\u4ef6\u3002\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u90a3\u4e48\u5c31\u521b\u5efa\u5b83\uff0c\u5982\u679c\u5b58\u5728\uff0c\u90a3\u4e48\u5c31\u8ffd\u52a0\u5230\u6587\u4ef6\u540e\u8fb9\u3002<\/p>\n

          \n
        1. script<\/span>.<\/span>sh <\/span>1<\/span> ><\/span> filename<\/span><\/code><\/li>\n
        2. #<\/span> \u91cd\u5b9a\u5411<\/span> stdout <\/span>\u5230\u6587\u4ef6<\/span>\"filename\"<\/span>.<\/span><\/code><\/li>\n
        3. script<\/span>.<\/span>sh <\/span>1<\/span> >><\/span> filename<\/span><\/code><\/li>\n
        4. #<\/span> \u91cd\u5b9a\u5411\u5e76\u8ffd\u52a0<\/span> stdout <\/span>\u5230\u6587\u4ef6<\/span>\"filename\"<\/span>.<\/span><\/code><\/li>\n
        5. script<\/span>.<\/span>sh <\/span>2<\/span> ><\/span> filename<\/span><\/code><\/li>\n
        6. #<\/span> \u91cd\u5b9a\u5411<\/span> stderr <\/span>\u5230\u6587\u4ef6<\/span>\"filename\"<\/span>.<\/span><\/code><\/li>\n
        7. script<\/span>.<\/span>sh <\/span>2<\/span> >><\/span> filename<\/span><\/code><\/li>\n
        8. #<\/span> \u91cd\u5b9a\u5411\u5e76\u8ffd\u52a0<\/span> stderr <\/span>\u5230\u6587\u4ef6<\/span>\"filename\"<\/span>.<\/span><\/code><\/li>\n<\/ol>\n

          &> file<\/h4>\n

          \u5c06 stdout \u548c stderr \u90fd\u91cd\u5b9a\u5411\u5230\u6587\u4ef6\uff1a<\/p>\n

            \n
          1. script<\/span>.<\/span>sh <\/span>&><\/span> \/<\/span>dev<\/span>\/<\/span>null<\/span><\/code><\/li>\n<\/ol>\n

            m> file<\/h4>\n

            m\u00a0\u662f\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5982\u679c\u6ca1\u6709\u660e\u786e\u6307\u5b9a\u7684\u8bdd\u9ed8\u8ba4\u4e3a 1\u3002<\/p>\n

            file\u00a0\u662f\u4e00\u4e2a\u6587\u4ef6\u540d\u3002\u6587\u4ef6\u63cf\u8ff0\u7b26 m\u00a0\u88ab\u91cd\u5b9a\u5411\u5230\u6587\u4ef6 file\u3002<\/p>\n

              \n
            1. script<\/span>.<\/span>sh <\/span>2<\/span>><\/span> error<\/span>.<\/span>log<\/span><\/code><\/li>\n<\/ol>\n

              m>&n<\/h4>\n

              m\u00a0\u662f\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5982\u679c\u6ca1\u6709\u660e\u786e\u6307\u5b9a\u7684\u8bdd\u9ed8\u8ba4\u4e3a 1\u3002<\/p>\n

              n\u00a0\u662f\u53e6\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/p>\n

                \n
              1. script<\/span>.<\/span>sh <\/span>2<\/span>>&<\/span>1<\/span><\/code><\/li>\n<\/ol>\n

                \u91cd\u5b9a\u5411 stderr \u5230 stdout\u3002\u5c06\u9519\u8bef\u6d88\u606f\u7684\u8f93\u51fa\uff0c\u53d1\u9001\u5230\u4e0e\u6807\u51c6\u8f93\u51fa\u6240\u6307\u5411\u7684\u5730\u65b9\u3002<\/p>\n

                  \n
                1. exec<\/span> 6<\/span><><\/span>File<\/span>
                  \nscript<\/span>.<\/span>sh <\/span>>&<\/span>6<\/span><\/code><\/li>\n<\/ol>\n

                  \u9ed8\u8ba4\u7684\uff0c\u91cd\u5b9a\u5411\u6587\u4ef6\u63cf\u8ff0\u7b26 1\uff08stdout\uff09\u5230 6\u3002\u6240\u6709\u4f20\u9012\u5230 stdout \u7684\u8f93\u51fa\u90fd\u9001\u5230 6\u00a0\u4e2d\u53bb\u3002<\/p>\n

                  < file<\/h4>\n

                  \u4ece\u6587\u4ef6\u4e2d\u63a5\u53d7\u8f93\u5165\u3002\u4e0e ><\/code> \u662f\u6210\u5bf9\u547d\u4ee4\uff0c\u5e76\u4e14\u901a\u5e38\u90fd\u662f\u7ed3\u5408\u4f7f\u7528\u30020 < file<\/code>\u00a0\u6216\u00a0< file<\/code>\uff0c\u524d\u9762\u7684\u6807\u51c6\u8f93\u5165 stdin 0 \u53ef\u4ee5\u7701\u7565\u3002<\/p>\n

                    \n
                  1. grep<\/span> search<\/span>-<\/span>word <\/span><<\/span> filename<\/span><\/code><\/li>\n<\/ol>\n

                    j<>file<\/h4>\n

                    \u4e3a\u4e86\u8bfb\u5199 file\uff0c\u628a\u6587\u4ef6 file \u6253\u5f00\uff0c\u5e76\u4e14\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26 j \u5206\u914d\u7ed9\u5b83\u3002
                    \n\u5982\u679c\u6587\u4ef6 file \u4e0d\u5b58\u5728\uff0c\u90a3\u4e48\u5c31\u521b\u5efa\u5b83\u3002\u5982\u679c\u6587\u4ef6\u63cf\u8ff0\u7b26 j \u6ca1\u6307\u5b9a\uff0c\u90a3\u9ed8\u8ba4\u662f\u6807\u51c6\u8f93\u5165 stdin 0 \u3002<\/p>\n

                      \n
                    1. echo<\/span> 1234567890<\/span> ><\/span> File<\/span> ### \u5199\u5b57\u7b26\u4e32\u5230 File .<\/span><\/code><\/li>\n
                    2. exec<\/span> 3<\/span><><\/span>File<\/span> ### \u6253\u5f00 File \u5e76\u4e14\u5c06 fd 3 \u5206\u914d\u7ed9\u5b83.<\/span><\/code><\/li>\n
                    3. read <\/span>-<\/span>n <\/span>4<\/span> <&<\/span>3<\/span> ### \u53ea\u8bfb\u53d64\u4e2a\u5b57\u7b26.<\/span><\/code><\/li>\n
                    4. echo<\/span> -<\/span>n <\/span>.<\/span> >&<\/span>3<\/span> ### \u5199\u4e00\u4e2a\u5c0f\u6570\u70b9.<\/span><\/code><\/li>\n
                    5. exec<\/span> 3<\/span>>&-<\/span> ### \u5173\u95edfd 3.<\/span><\/code><\/li>\n
                    6. cat<\/span> File<\/span> ### ==> 1234.67890<\/span><\/code><\/li>\n<\/ol>\n

                      \uff08\u6ce8\uff1a\u4e0a\u8ff0\u547d\u4ee4\u7684\u8f93\u51fa\u7ed3\u679c\u548c\u539f\u6587\u4e0d\u540c\uff0c\u539f\u56e0\u672a\u77e5\u3002\uff09<\/p>\n

                      \u7ba1\u9053<\/h3>\n

                      \u7ba1\u9053\u4e0e ><\/code> \u5f88\u76f8\u4f3c\uff0c\u4f46\u662f\u5b9e\u9645\u4e0a\u66f4\u901a\u7528\u3002\u5bf9\u4e8e\u60f3\u5c06\u547d\u4ee4\u3001\u811a\u672c\u3001\u6587\u4ef6\u548c\u7a0b\u5e8f\u4e32\u8fde\u8d77\u6765\u7684\u65f6\u5019\u5f88\u6709\u7528\u3002<\/p>\n

                        \n
                      1. cat<\/span> *.<\/span>txt <\/span>|<\/span> sort<\/span> |<\/span> uniq<\/span> ><\/span> result<\/span>-<\/span>file<\/span><\/code><\/li>\n<\/ol>\n

                        \u4e0a\u8ff0\u547d\u4ee4\u5bf9\u6240\u6709 .txt \u6587\u4ef6\u7684\u8f93\u51fa\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u4e14\u5220\u9664\u91cd\u590d\u884c\u3002\u6700\u540e\u5c06\u7ed3\u679c\u4fdd\u5b58\u5230 result-file \u4e2d\u3002<\/p>\n

                        \u53ef\u4ee5\u5c06\u8f93\u5165\u8f93\u51fa\u91cd\u5b9a\u5411\u548c\/\u6216\u7ba1\u9053\u7684\u591a\u4e2a\u5b9e\u4f8b\u7ed3\u5408\u5230\u4e00\u8d77\u5199\u5728\u540c\u4e00\u884c\u4e0a\uff1a<\/p>\n

                        command < input-file > output-file\r\n<\/pre>\n
                        \u7b49\u4ef7\u4e8e\uff1a<\/p>\n
                          \n
                        1. < input-file command > output-file<\/span><\/code><\/li>\n<\/ol>\n
                          \u4f46\u662f\u8fd9\u79cd\u5199\u6cd5\u4e0d\u6807\u51c6\uff0c\u6709\u7684 shell \u53ef\u80fd\u4e0d\u652f\u6301\u3002<\/p>\n
                          \u53ef\u4ee5\u5c06\u591a\u4e2a\u8f93\u51fa\u6d41\u91cd\u5b9a\u5411\u5230\u4e00\u4e2a\u6587\u4ef6\u4e0a\uff1a<\/p>\n
                            \n
                          1. ls<\/span> -<\/span>yz <\/span>>><\/span> command<\/span>.<\/span>log <\/span>2<\/span>>&<\/span>1<\/span><\/code><\/li>\n<\/ol>\n
                            \u5c06\u9519\u8bef\u9009\u9879 yz \u7684\u7ed3\u679c\u653e\u5230\u6587\u4ef6 command.log \u4e2d\u3002\u56e0\u4e3a stderr \u88ab\u91cd\u5b9a\u5411\u5230\u8fd9\u4e2a\u6587\u4ef6\u4e2d\uff0c\u6240\u4ee5\u6240\u6709\u7684\u9519\u8bef\u6d88\u606f\u4e5f\u5c31\u90fd\u6307\u5411\u90a3\u91cc\u4e86\u3002
                            \n\u6ce8\u610f\uff0c\u4e0b\u8fb9\u8fd9\u4e2a\u4f8b\u5b50\u5c31\u4e0d\u4f1a\u7ed9\u51fa\u76f8\u540c\u7684\u7ed3\u679c\uff1a<\/p>\n
                              \n
                            1. ls<\/span> -<\/span>yz <\/span>2<\/span>>&<\/span>1<\/span> >><\/span> command<\/span>.<\/span>log<\/span><\/code><\/li>\n<\/ol>\n
                              \u8f93\u51fa\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\uff0c\u4f46\u662f\u5e76\u4e0d\u5199\u5230\u6587\u4ef6\u4e2d\u3002\u547d\u4ee4\u7684\u8f93\u51fa\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09\u5199\u5165\u5230\u6587\u4ef6 command.log\u3002<\/p>\n
                              \u5982\u679c\u540c\u65f6\u5c06 stdout \u548c stderr \u90fd\u91cd\u5b9a\u5411\uff0c\u547d\u4ee4\u7684\u987a\u5e8f\u4e0d\u540c\u4f1a\u5e26\u6765\u4e0d\u540c\u7684\u7ed3\u679c\u3002<\/p>\n
                              \u5173\u95ed\u6587\u4ef6\u63cf\u8ff0\u7b26<\/h3>\n
                              n<&-\u00a0<\/strong>\u5173\u95ed\u8f93\u5165\u6587\u4ef6\u63cf\u8ff0\u7b26 n\u3002<\/p>\n
                               0<&- \u6216 <&-\u00a0<\/strong>\u5173\u95ed stdin\u3002<\/p>\n
                              n>&-\u00a0<\/strong>\u5173\u95ed\u8f93\u51fa\u6587\u4ef6\u63cf\u8ff0\u7b26 n\u3002<\/p>\n
                              1>&- \u6216 >&-\u00a0<\/strong>\u5173\u95ed stdout\u3002<\/p>\n
                              \u5b50\u8fdb\u7a0b\u7ee7\u627f\u4e86\u6253\u5f00\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u7ba1\u9053\u53ef\u4ee5\u5de5\u4f5c\u7684\u539f\u56e0\u3002\u5982\u679c\u60f3\u963b\u6b62\u6587\u4ef6\u63cf\u8ff0\u7b26\u88ab\u7ee7\u627f\uff0c\u90a3\u4e48\u53ef\u4ee5\u5173\u6389\u5b83\u3002<\/p>\n
                              \u53ea\u5c06 stderr \u91cd\u5b9a\u5230\u4e00\u4e2a\u7ba1\u9053\u3002<\/p>\n
                                \n
                              1. exec<\/span> 3<\/span>>&<\/span>1<\/span> ### \u4fdd\u5b58\u5f53\u524d stdout \u7684\"\u503c\"\uff08\u5c06 fd3 \u6307\u5411 fd0 \u76f8\u540c\u76ee\u6807\uff09<\/span><\/code><\/li>\n
                              2. ls<\/span> -<\/span>l <\/span>2<\/span>>&<\/span>1<\/span> >&<\/span>3<\/span> 3<\/span>>&-<\/span> |<\/span> grep<\/span> bad <\/span>3<\/span>>&-<\/span> ### \u5bf9'grep'\u5173\u95ed fd 3<\/span><\/code><\/li>\n
                              3. ### ^^^^ ^^^^ ###\uff08\u4f46\u4e0d\u5173\u95ed'ls'\uff0c\u6b63\u5e38\u8f93\u51fa\u5185\u5bb9\u4e0d\u53d7grep\u5f71\u54cd\uff09<\/span><\/code><\/li>\n
                              4. ls<\/span> -<\/span>l <\/span>2<\/span>>&<\/span>1<\/span> >&<\/span>3<\/span> |<\/span> grep<\/span> bad <\/span>### \u8fd9\u6837\u8f93\u51fa\u5185\u5bb9\u88ab\u8f6c\u5230\u4e86 fd3\uff0c\u4e5f\u4e0d\u4f1a\u53d7 grep \u5f71\u54cd<\/span><\/code><\/li>\n
                              5. ls<\/span> badabc <\/span>-<\/span>l <\/span>2<\/span>>&<\/span>1<\/span> >&<\/span>3<\/span> |<\/span>grep<\/span> bad <\/span>### stderr \u901a\u8fc7 fd1 \u8f93\u51fa\uff0c\u4f1a\u53d7 grep \u5f71\u54cd<\/span><\/code><\/li>\n
                              6. exec<\/span> 3<\/span>>&-<\/span> ### \u5bf9\u4e8e\u5269\u4f59\u7684\u811a\u672c\u6765\u8bf4\uff0c\u5173\u95ed\u5b83<\/span><\/code><\/li>\n<\/ol>\n
                                \u4f7f\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26 5 \u53ef\u80fd\u4f1a\u5f15\u8d77\u95ee\u9898\u3002\u5f53 Bash \u4f7f\u7528 exec \u521b\u5efa\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u7684\u65f6\u5019\uff0c\u5b50\u8fdb\u7a0b\u4f1a\u7ee7\u627f\u6587\u4ef6\u63cf\u8ff0\u7b26 5<\/p>\n
                                \uff08\u53c2\u8003 Chet Ramey \u7684\u5f52\u6863 e-mail\uff1a RE: File descriptor 5 is held open<\/a>\uff09\u3002 \u6700\u597d\u8fd8\u662f\u4e0d\u8981\u53bb\u62db\u60f9\u8fd9\u4e2a\u7279\u5b9a\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26<\/p>\n","protected":false},"excerpt":{"rendered":"
                                \u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u8bf4\u767d\u4e86\u5c31\u662f\u6587\u4ef6\u7cfb\u7edf\u4e3a\u4e86\u8ddf\u8e2a\u8fd9\u4e2a\u6253\u5f00\u7684\u6587\u4ef6\u800c\u5206\u914d\u7ed9\u5b83\u7684\u4e00\u4e2a\u6570\u5b57\uff0c\u4e5f\u53ef\u4ee5\u7684\u5c06\u5176\u7406\u89e3\u4e3a\u6587\u4ef6\u6307\u9488\u7684\u4e00\u4e2a\u7b80 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[49],"tags":[531,38],"class_list":["post-1671","post","type-post","status-publish","format-standard","hentry","category-linux","tag-io","tag-linux"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=1671"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1671\/revisions"}],"predecessor-version":[{"id":1672,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/1671\/revisions\/1672"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=1671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=1671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=1671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}