{"id":110,"date":"2026-09-24T17:05:13","date_gmt":"2026-09-24T08:05:13","guid":{"rendered":"https:\/\/decagrammaton.xyz\/?p=110"},"modified":"2026-09-24T17:05:14","modified_gmt":"2026-09-24T08:05:14","slug":"16-c%e8%af%ad%e8%a8%80%e7%bb%bc%e5%90%88%e9%a1%b9%e7%9b%ae","status":"publish","type":"post","link":"https:\/\/decagrammaton.xyz\/?p=110","title":{"rendered":"16-C\u8bed\u8a00\u7efc\u5408\u9879\u76ee"},"content":{"rendered":"\n
\n\n\n\n

\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u5b66\u4e60\u4e86\uff1a<\/p>\n\n\n\n

\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b\n\u8f93\u5165\u8f93\u51fa\n\u8fd0\u7b97\u7b26\n\u5224\u65ad\n\u5faa\u73af\n\u51fd\u6570\n\u6570\u7ec4\n...<\/code><\/pre>\n\n\n\n
\u5230\u8fd9\u91cc\uff0c\u771f\u6b63\u7f3a\u5c11\u7684\u4e0d\u662f\u65b0\u7684\u8bed\u6cd5\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n
\u628a\u8fd9\u4e9b\u77e5\u8bc6\u7ec4\u5408\u8d77\u6765\u3002<\/strong><\/p>\n\n\n\n
\u6240\u4ee5\u8fd9\u4e00\u7ae0\u4e0d\u518d\u4ee5\u201c\u5b66\u4e60\u4e00\u4e2a\u65b0\u8bed\u6cd5\u201d\u4e3a\u4e3b\uff0c\u800c\u662f\u901a\u8fc7\u51e0\u4e2a\u5b9e\u9645\u9879\u76ee\uff1a<\/p>\n\n\n\n
\u9700\u6c42\n\u2193\n\u8bbe\u8ba1\u6570\u636e\n\u2193\n\u5199\u51fd\u6570\n\u2193\n\u62c6\u5206\u6a21\u5757\n\u2193\n\u4fdd\u5b58\u6587\u4ef6\n\u2193\n\u7f16\u8bd1\n\u2193\n\u8c03\u8bd5<\/code><\/pre>\n\n\n\n
\u5b8c\u6210\u4e00\u4e2a\u771f\u6b63\u53ef\u4ee5\u8fd0\u884c\u7684 C \u7a0b\u5e8f\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e00\u3001\u672c\u7ae0\u9879\u76ee\u8def\u7ebf<\/h1>\n\n\n\n
\u5efa\u8bae\u6309\u7167\u96be\u5ea6\u9010\u6e10\u589e\u52a0\uff1a<\/p>\n\n\n\n
\u9879\u76ee 1\uff1a\u731c\u6570\u5b57\n        \u2193\n\u9879\u76ee 2\uff1a\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\n        \u2193\n\u9879\u76ee 3\uff1a\u8bfe\u7a0b\u8868\u7ba1\u7406\u7cfb\u7edf<\/code><\/pre>\n\n\n\n
\u4e09\u4e2a\u9879\u76ee\u5206\u522b\u953b\u70bc\uff1a<\/p>\n\n\n\n
\u731c\u6570\u5b57\n\u2193\n\u57fa\u7840\u8bed\u6cd5 + \u51fd\u6570 + \u5faa\u73af\n\n\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\n\u2193\n\u6570\u7ec4 + \u5b57\u7b26\u4e32 + \u7ed3\u6784\u4f53 + \u6587\u4ef6\n\n\u8bfe\u7a0b\u8868\u7ba1\u7406\u7cfb\u7edf\n\u2193\n\u7ed3\u6784\u4f53 + \u52a8\u6001\u5185\u5b58 + \u6587\u4ef6\n+ \u591a\u6587\u4ef6 + Makefile\n+ \u5b8c\u6574\u9879\u76ee\u8bbe\u8ba1<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u3001\u9879\u76ee 1\uff1a\u731c\u6570\u5b57<\/h1>\n\n\n\n
\u8fd9\u662f\u6700\u7b80\u5355\u7684\u7efc\u5408\u9879\u76ee\u3002<\/p>\n\n\n\n
\u9879\u76ee\u9700\u6c42<\/h2>\n\n\n\n
\u7a0b\u5e8f\u968f\u673a\u751f\u6210\u4e00\u4e2a\u6570\u5b57\uff1a<\/p>\n\n\n\n
1 ~ 100<\/code><\/pre>\n\n\n\n
\u7136\u540e\u7528\u6237\u4e0d\u65ad\u8f93\u5165\uff1a<\/p>\n\n\n\n
\u4f60\u731c\u4e00\u4e2a\u6570\u5b57<\/code><\/pre>\n\n\n\n
\u7a0b\u5e8f\u544a\u8bc9\u7528\u6237\uff1a<\/p>\n\n\n\n
\u592a\u5927\n\u592a\u5c0f\n\u731c\u5bf9\u4e86<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
\u8bf7\u8f93\u5165\u6570\u5b57\uff1a50\n\u592a\u5c0f\n\n\u8bf7\u8f93\u5165\u6570\u5b57\uff1a75\n\u592a\u5927\n\n\u8bf7\u8f93\u5165\u6570\u5b57\uff1a63\n\u731c\u5bf9\u4e86\uff01<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e09\u3001\u731c\u6570\u5b57\u9700\u8981\u54ea\u4e9b\u77e5\u8bc6<\/h1>\n\n\n\n
\u53d8\u91cf\n\u2193\nscanf\n\u2193\nif\n\u2193\nwhile\n\u2193\n\u51fd\u6570\n\u2193\n\u968f\u673a\u6570<\/code><\/pre>\n\n\n\n
\u53ef\u4ee5\u8fdb\u4e00\u6b65\u7ec3\u4e60\uff1a<\/p>\n\n\n\n
\u7edf\u8ba1\u731c\u4e86\u591a\u5c11\u6b21<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u56db\u3001\u731c\u6570\u5b57\u57fa\u7840\u4ee3\u7801<\/h1>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a>#include <\/span><stdlib.h><\/span><\/span>\n<\/a>#include <\/span><time.h><\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a><\/span>\n<\/a>    srand((<\/span>unsigned<\/span> int<\/span>)<\/span>time(<\/span>NULL));<\/span><\/span>\n<\/a><\/span>\n<\/a>    int<\/span> target =<\/span> rand()<\/span> %<\/span> 100<\/span> +<\/span> 1<\/span>;<\/span><\/span>\n<\/a>    int<\/span> guess;<\/span><\/span>\n<\/a>    int<\/span> count =<\/span> 0<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>    while<\/span> (<\/span>1<\/span>)<\/span> {<\/span><\/span>\n<\/a><\/span>\n<\/a>        printf(<\/span>\"\u8bf7\u8f93\u5165\u6570\u5b57: \"<\/span>);<\/span><\/span>\n<\/a>        scanf(<\/span>\"<\/span>%d<\/span>\"<\/span>,<\/span> &<\/span>guess);<\/span><\/span>\n<\/a><\/span>\n<\/a>        count++;<\/span><\/span>\n<\/a><\/span>\n<\/a>        if<\/span> (<\/span>guess ><\/span> target)<\/span> {<\/span><\/span>\n<\/a>            printf(<\/span>\"\u592a\u5927\u4e86<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        }<\/span><\/span>\n<\/a>        else<\/span> if<\/span> (<\/span>guess <<\/span> target)<\/span> {<\/span><\/span>\n<\/a>            printf(<\/span>\"\u592a\u5c0f\u4e86<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        }<\/span><\/span>\n<\/a>        else<\/span> {<\/span><\/span>\n<\/a>            printf(<\/span>\"\u731c\u5bf9\u4e86\uff01<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>            printf(<\/span>\"\u4f60\u4e00\u5171\u731c\u4e86 <\/span>%d<\/span> \u6b21<\/span>\\n<\/span>\"<\/span>,<\/span> count);<\/span><\/span>\n<\/a>            break<\/span>;<\/span><\/span>\n<\/a>        }<\/span><\/span>\n<\/a>    }<\/span><\/span>\n<\/a><\/span>\n<\/a>    return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u4e94\u3001\u731c\u6570\u5b57\u5347\u7ea7<\/h1>\n\n\n\n
\u53ef\u4ee5\u52a0\u5165\uff1a<\/p>\n\n\n\n
\u96be\u5ea6\n\u251c\u2500 \u7b80\u5355\uff1a1 ~ 50\n\u251c\u2500 \u666e\u901a\uff1a1 ~ 100\n\u2514\u2500 \u56f0\u96be\uff1a1 ~ 1000<\/code><\/pre>\n\n\n\n
\u8fd8\u53ef\u4ee5\uff1a<\/p>\n\n\n\n
\u9650\u5236\u731c\u6d4b\u6b21\u6570<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
\u6700\u591a 10 \u6b21<\/code><\/pre>\n\n\n\n
\u4e5f\u53ef\u4ee5\u589e\u52a0\uff1a<\/p>\n\n\n\n
\u91cd\u65b0\u5f00\u59cb\n\u9000\u51fa<\/code><\/pre>\n\n\n\n
\u8fd9\u5c31\u5f00\u59cb\u6709\u201c\u5c0f\u7a0b\u5e8f\u201d\u7684\u611f\u89c9\u4e86\u3002<\/p>\n\n\n\n
\n\n\n\n
\u516d\u3001\u9879\u76ee 2\uff1a\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf<\/h1>\n\n\n\n
\u8fd9\u662f\u672c\u7ae0\u7b2c\u4e00\u4e2a\u771f\u6b63\u91cd\u8981\u7684\u9879\u76ee\u3002<\/p>\n\n\n\n
\u9879\u76ee\u76ee\u6807\uff1a<\/p>\n\n\n\n
\u6dfb\u52a0\u5b66\u751f\n\u5220\u9664\u5b66\u751f\n\u4fee\u6539\u5b66\u751f\n\u67e5\u8be2\u5b66\u751f\n\u663e\u793a\u6240\u6709\u5b66\u751f\n\u4fdd\u5b58\u5b66\u751f\n\u8bfb\u53d6\u5b66\u751f\n\u9000\u51fa\u7a0b\u5e8f<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e03\u3001\u5b66\u751f\u7684\u6570\u636e\u7ed3\u6784<\/h1>\n\n\n\n
\u524d\u9762\u5df2\u7ecf\u5b66\u8fc7\u7ed3\u6784\u4f53\u3002<\/p>\n\n\n\n
\u53ef\u4ee5\u5b9a\u4e49\uff1a<\/p>\n\n\n\n
<\/a>typedef<\/span> struct<\/span> {<\/span><\/span>\n<\/a>    int<\/span> id;<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>}<\/span> Student;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4e00\u4e2a\u5b66\u751f\uff1a<\/p>\n\n\n\n
Student\n\u251c\u2500 id\n\u251c\u2500 name\n\u251c\u2500 age\n\u2514\u2500 score<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u516b\u3001\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\u7684\u6570\u636e<\/h1>\n\n\n\n
\u6700\u7b80\u5355\u7248\u672c\u53ef\u4ee5\uff1a<\/p>\n\n\n\n
<\/a>Student students[<\/span>100<\/span>];<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f46\u662f\uff1a<\/p>\n\n\n\n
\u6700\u591a\u53ea\u80fd 100 \u4eba<\/code><\/pre>\n\n\n\n
\u4e3a\u4e86\u7ec3\u4e60\u52a8\u6001\u5185\u5b58\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\uff1a<\/p>\n\n\n\n
<\/a>Student *<\/span>students;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u7136\u540e\uff1a<\/p>\n\n\n\n
<\/a>students =<\/span> malloc(<\/span>sizeof<\/span>(<\/span>Student)<\/span> *<\/span> capacity);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u6837\u5c31\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u51b3\u5b9a\u5bb9\u91cf\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e5d\u3001\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\u7684\u529f\u80fd<\/h1>\n\n\n\n
\u63a8\u8350\u8bbe\u8ba1\uff1a<\/p>\n\n\n\n
1. \u6dfb\u52a0\u5b66\u751f\n2. \u5220\u9664\u5b66\u751f\n3. \u4fee\u6539\u5b66\u751f\n4. \u67e5\u8be2\u5b66\u751f\n5. \u663e\u793a\u5168\u90e8\n6. \u4fdd\u5b58\u6570\u636e\n7. \u8bfb\u53d6\u6570\u636e\n0. \u9000\u51fa<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5341\u3001\u83dc\u5355<\/h1>\n\n\n\n
\u7a0b\u5e8f\u542f\u52a8\uff1a<\/p>\n\n\n\n
========== \u5b66\u751f\u7ba1\u7406\u7cfb\u7edf ==========\n\n1. \u6dfb\u52a0\u5b66\u751f\n2. \u5220\u9664\u5b66\u751f\n3. \u4fee\u6539\u5b66\u751f\n4. \u67e5\u8be2\u5b66\u751f\n5. \u663e\u793a\u5168\u90e8\n6. \u4fdd\u5b58\u6570\u636e\n7. \u8bfb\u53d6\u6570\u636e\n0. \u9000\u51fa\n\n\u8bf7\u8f93\u5165\u9009\u62e9\uff1a<\/code><\/pre>\n\n\n\n
\u8fd9\u91cc\u4e3b\u8981\u4f7f\u7528\uff1a<\/p>\n\n\n\n
printf\nscanf\nswitch\nwhile<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5341\u4e00\u3001\u6dfb\u52a0\u5b66\u751f<\/h1>\n\n\n\n
\u51fd\u6570\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> add_student(<\/span>Student *<\/span>students,<\/span> int<\/span> *<\/span>count);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u57fa\u672c\u903b\u8f91\uff1a<\/p>\n\n\n\n
\u5224\u65ad\u662f\u5426\u8fd8\u6709\u7a7a\u95f4\n\u2193\n\u8f93\u5165 id\n\u2193\n\u8f93\u5165 name\n\u2193\n\u8f93\u5165 age\n\u2193\n\u8f93\u5165 score\n\u2193\ncount++<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5341\u4e8c\u3001\u4e3a\u4ec0\u4e48 count \u8981\u4f20\u6307\u9488<\/h1>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>int<\/span> count =<\/span> 0<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u51fd\u6570\uff1a<\/p>\n\n\n\n
<\/a>void<\/span> add_student(<\/span>Student *<\/span>students,<\/span> int<\/span> *<\/span>count)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u7136\u540e\uff1a<\/p>\n\n\n\n
<\/a>(*<\/span>count)++;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u56e0\u4e3a\u6211\u4eec\u8981\u4fee\u6539\uff1a<\/p>\n\n\n\n
main \u4e2d\u7684 count<\/code><\/pre>\n\n\n\n
\u8fd9\u6b63\u597d\u5e94\u7528\u4e86\u4e4b\u524d\u5b66\u7684\uff1a<\/p>\n\n\n\n
\u6307\u9488\n+\n\u51fd\u6570\u53c2\u6570<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5341\u4e09\u3001\u663e\u793a\u5b66\u751f<\/h1>\n\n\n\n
<\/a>void<\/span> print_students(<\/span>Student *<\/span>students,<\/span> int<\/span> count)<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f7f\u7528\uff1a<\/p>\n\n\n\n
<\/a>for<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u904d\u5386\uff1a<\/p>\n\n\n\n
<\/a>students[<\/span>0<\/span>]<\/span><\/span>\n<\/a>students[<\/span>1<\/span>]<\/span><\/span>\n<\/a>students[<\/span>2<\/span>]<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8f93\u51fa\uff1a<\/p>\n\n\n\n
ID    \u59d3\u540d    \u5e74\u9f84    \u6210\u7ee9\n1     Alice   18      95.5\n2     Bob     19      88.0<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5341\u56db\u3001\u67e5\u8be2\u5b66\u751f<\/h1>\n\n\n\n
\u53ef\u4ee5\u6309\u7167\uff1a<\/p>\n\n\n\n
ID<\/code><\/pre>\n\n\n\n
\u67e5\u8be2\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>Student *<\/span>find_student(<\/span><\/span>\n<\/a>    Student *<\/span>students,<\/span><\/span>\n<\/a>    int<\/span> count,<\/span><\/span>\n<\/a>    int<\/span> id<\/span>\n<\/a>);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u627e\u5230\u540e\uff1a<\/p>\n\n\n\n
<\/a>return<\/span> &<\/span>students[<\/span>i];<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u627e\u4e0d\u5230\uff1a<\/p>\n\n\n\n
<\/a>return<\/span> NULL;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u53c8\u540c\u65f6\u4f7f\u7528\u4e86\uff1a<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\u6307\u9488\n+\n\u51fd\u6570\u8fd4\u56de\u503c\n+\nNULL<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5341\u4e94\u3001\u4fee\u6539\u5b66\u751f<\/h1>\n\n\n\n
\u5148\uff1a<\/p>\n\n\n\n
\u8f93\u5165 ID<\/code><\/pre>\n\n\n\n
\u7136\u540e\uff1a<\/p>\n\n\n\n
find_student()<\/code><\/pre>\n\n\n\n
\u627e\u5230\uff1a<\/p>\n\n\n\n
Student *<\/code><\/pre>\n\n\n\n
\u7136\u540e\u4fee\u6539\uff1a<\/p>\n\n\n\n
<\/a>student-><\/span>name<\/span>\n<\/a>student-><\/span>age<\/span>\n<\/a>student-><\/span>score<\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u5341\u516d\u3001\u5220\u9664\u5b66\u751f<\/h1>\n\n\n\n
\u5220\u9664\u4e00\u4e2a\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n\n\n\n
\u627e\u5230\u76ee\u6807\n\u2193\n\u540e\u9762\u7684\u5143\u7d20\u5168\u90e8\u5411\u524d\u79fb\u52a8\n\u2193\ncount--<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
A B C D<\/code><\/pre>\n\n\n\n
\u5220\u9664\uff1a<\/p>\n\n\n\n
B<\/code><\/pre>\n\n\n\n
\u53d8\u6210\uff1a<\/p>\n\n\n\n
A C D<\/code><\/pre>\n\n\n\n
\u4ee3\u7801\u601d\u60f3\uff1a<\/p>\n\n\n\n
<\/a>for<\/span> (<\/span>int<\/span> i =<\/span> index;<\/span> i <<\/span> count -<\/span> 1<\/span>;<\/span> i++)<\/span> {<\/span><\/span>\n<\/a>    students[<\/span>i]<\/span> =<\/span> students[<\/span>i +<\/span> 1<\/span>];<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u4f1a\u518d\u6b21\u7528\u5230\uff1a<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\n+\n\u6570\u7ec4\n+\nfor<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5341\u4e03\u3001\u4fdd\u5b58\u6587\u4ef6<\/h1>\n\n\n\n
\u5b66\u751f\u6570\u636e\u4e0d\u80fd\u53ea\u5b58\u5728\u5185\u5b58\u3002<\/p>\n\n\n\n
\u7a0b\u5e8f\u9000\u51fa\u4ee5\u540e\uff1a<\/p>\n\n\n\n
students\n\u2193\n\u6d88\u5931<\/code><\/pre>\n\n\n\n
\u6240\u4ee5\u9700\u8981\uff1a<\/p>\n\n\n\n
\u4fdd\u5b58\n\u2193\nstudents.dat<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>fwrite(<\/span><\/span>\n<\/a>    students,<\/span><\/span>\n<\/a>    sizeof<\/span>(<\/span>Student),<\/span><\/span>\n<\/a>    count,<\/span><\/span>\n<\/a>    fp<\/span>\n<\/a>);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u5341\u516b\u3001\u8bfb\u53d6\u6587\u4ef6<\/h1>\n\n\n\n
\u7a0b\u5e8f\u542f\u52a8\u65f6\uff1a<\/p>\n\n\n\n
students.dat\n\u2193\nfread\n\u2193\nstudents<\/code><\/pre>\n\n\n\n
\u4e8e\u662f\uff1a<\/p>\n\n\n\n
\u4e0a\u6b21\u7684\u6570\u636e\n\u2193\n\u672c\u6b21\u542f\u52a8\u7ee7\u7eed\u4f7f\u7528<\/code><\/pre>\n\n\n\n
\u8fd9\u5c31\u662f\uff1a<\/p>\n\n\n\n
\u6570\u636e\u6301\u4e45\u5316\u3002<\/strong><\/p>\n\n\n\n
\n\n\n\n
\u5341\u4e5d\u3001\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\u6587\u4ef6\u7ed3\u6784<\/h1>\n\n\n\n
\u5230\u8fd9\u91cc\u5c31\u4e0d\u80fd\u518d\u628a\u6240\u6709\u4ee3\u7801\u5168\u90e8\u5806\u5728 main.c<\/code>\u3002<\/p>\n\n\n\n
\u63a8\u8350\uff1a<\/p>\n\n\n\n
student_manager\/\n\u2502\n\u251c\u2500 main.c\n\u2502\n\u251c\u2500 student.c\n\u251c\u2500 student.h\n\u2502\n\u251c\u2500 file.c\n\u251c\u2500 file.h\n\u2502\n\u251c\u2500 config.h\n\u2502\n\u2514\u2500 Makefile<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u3001student.h<\/h1>\n\n\n\n
<\/a>#ifndef STUDENT_H<\/span><\/span>\n<\/a>#define STUDENT_H<\/span><\/span>\n<\/a><\/span>\n<\/a>typedef<\/span> struct<\/span> {<\/span><\/span>\n<\/a>    int<\/span> id;<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>50<\/span>];<\/span><\/span>\n<\/a>    int<\/span> age;<\/span><\/span>\n<\/a>    double<\/span> score;<\/span><\/span>\n<\/a>}<\/span> Student;<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> add_student(<\/span><\/span>\n<\/a>    Student *<\/span>students,<\/span><\/span>\n<\/a>    int<\/span> *<\/span>count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> print_students(<\/span><\/span>\n<\/a>    Student *<\/span>students,<\/span><\/span>\n<\/a>    int<\/span> count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>Student *<\/span>find_student(<\/span><\/span>\n<\/a>    Student *<\/span>students,<\/span><\/span>\n<\/a>    int<\/span> count,<\/span><\/span>\n<\/a>    int<\/span> id<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> delete_student(<\/span><\/span>\n<\/a>    Student *<\/span>students,<\/span><\/span>\n<\/a>    int<\/span> *<\/span>count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> modify_student(<\/span><\/span>\n<\/a>    Student *<\/span>students,<\/span><\/span>\n<\/a>    int<\/span> count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>#endif<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\u653e\uff1a<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\n+\n\u51fd\u6570\u58f0\u660e<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u4e00\u3001file.h<\/h1>\n\n\n\n
<\/a>#ifndef FILE_H<\/span><\/span>\n<\/a>#define FILE_H<\/span><\/span>\n<\/a><\/span>\n<\/a>#include <\/span>\"student.h\"<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> save_students(<\/span><\/span>\n<\/a>    const<\/span> char<\/span> *<\/span>filename,<\/span><\/span>\n<\/a>    Student *<\/span>students,<\/span><\/span>\n<\/a>    int<\/span> count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> load_students(<\/span><\/span>\n<\/a>    const<\/span> char<\/span> *<\/span>filename,<\/span><\/span>\n<\/a>    Student *<\/span>students,<\/span><\/span>\n<\/a>    int<\/span> *<\/span>count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>#endif<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u4e8c\u3001main.c<\/h1>\n\n\n\n
main.c<\/code> \u4e3b\u8981\u8d1f\u8d23\uff1a<\/p>\n\n\n\n
\u83dc\u5355\n\u6d41\u7a0b\u63a7\u5236\n\u8c03\u7528\u6a21\u5757<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>#include <\/span><stdio.h><\/span><\/span>\n<\/a>#include <\/span>\"student.h\"<\/span><\/span>\n<\/a>#include <\/span>\"file.h\"<\/span><\/span>\n<\/a><\/span>\n<\/a>int<\/span> main()<\/span> {<\/span><\/span>\n<\/a><\/span>\n<\/a>    Student students[<\/span>100<\/span>];<\/span><\/span>\n<\/a>    int<\/span> count =<\/span> 0<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>    while<\/span> (<\/span>1<\/span>)<\/span> {<\/span><\/span>\n<\/a><\/span>\n<\/a>        printf(<\/span>\"<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        printf(<\/span>\"1. \u6dfb\u52a0\u5b66\u751f<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        printf(<\/span>\"2. \u5220\u9664\u5b66\u751f<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        printf(<\/span>\"3. \u4fee\u6539\u5b66\u751f<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        printf(<\/span>\"4. \u67e5\u8be2\u5b66\u751f<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        printf(<\/span>\"5. \u663e\u793a\u5168\u90e8<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        printf(<\/span>\"6. \u4fdd\u5b58<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        printf(<\/span>\"7. \u8bfb\u53d6<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a>        printf(<\/span>\"0. \u9000\u51fa<\/span>\\n<\/span>\"<\/span>);<\/span><\/span>\n<\/a><\/span>\n<\/a>        int<\/span> choice;<\/span><\/span>\n<\/a>        scanf(<\/span>\"<\/span>%d<\/span>\"<\/span>,<\/span> &<\/span>choice);<\/span><\/span>\n<\/a><\/span>\n<\/a>        switch<\/span> (<\/span>choice)<\/span> {<\/span><\/span>\n<\/a><\/span>\n<\/a>            case<\/span> 1<\/span>:<\/span><\/span>\n<\/a>                add_student(<\/span>students,<\/span> &<\/span>count);<\/span><\/span>\n<\/a>                break<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>            case<\/span> 2<\/span>:<\/span><\/span>\n<\/a>                delete_student(<\/span>students,<\/span> &<\/span>count);<\/span><\/span>\n<\/a>                break<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>            case<\/span> 3<\/span>:<\/span><\/span>\n<\/a>                modify_student(<\/span>students,<\/span> count);<\/span><\/span>\n<\/a>                break<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>            case<\/span> 5<\/span>:<\/span><\/span>\n<\/a>                print_students(<\/span>students,<\/span> count);<\/span><\/span>\n<\/a>                break<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>            case<\/span> 6<\/span>:<\/span><\/span>\n<\/a>                save_students(<\/span><\/span>\n<\/a>                    \"students.dat\"<\/span>,<\/span><\/span>\n<\/a>                    students,<\/span><\/span>\n<\/a>                    count<\/span>\n<\/a>                );<\/span><\/span>\n<\/a>                break<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>            case<\/span> 7<\/span>:<\/span><\/span>\n<\/a>                load_students(<\/span><\/span>\n<\/a>                    \"students.dat\"<\/span>,<\/span><\/span>\n<\/a>                    students,<\/span><\/span>\n<\/a>                    &<\/span>count<\/span>\n<\/a>                );<\/span><\/span>\n<\/a>                break<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>            case<\/span> 0<\/span>:<\/span><\/span>\n<\/a>                return<\/span> 0<\/span>;<\/span><\/span>\n<\/a>        }<\/span><\/span>\n<\/a>    }<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\u6ca1\u6709\u5b9e\u73b0\u5177\u4f53\u529f\u80fd\u3002<\/p>\n\n\n\n
\u8fd9\u6b63\u662f\u591a\u6587\u4ef6\u7f16\u7a0b\u7684\u610f\u4e49\uff1a<\/p>\n\n\n\n
main.c\n\u2193\n\u8d1f\u8d23\u201c\u8c03\u7528\u8c01\u201d<\/code><\/pre>\n\n\n\n
\u800c\uff1a<\/p>\n\n\n\n
student.c\n\u2193\n\u8d1f\u8d23\u201c\u5b66\u751f\u529f\u80fd\u600e\u4e48\u5b9e\u73b0\u201d<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u4e09\u3001\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\u5347\u7ea7\uff1a\u52a8\u6001\u5185\u5b58<\/h1>\n\n\n\n
\u628a\uff1a<\/p>\n\n\n\n
<\/a>Student students[<\/span>100<\/span>];<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5347\u7ea7\u4e3a\uff1a<\/p>\n\n\n\n
<\/a>Student *<\/span>students;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u7136\u540e\uff1a<\/p>\n\n\n\n
<\/a>int<\/span> capacity =<\/span> 10<\/span>;<\/span><\/span>\n<\/a>int<\/span> count =<\/span> 0<\/span>;<\/span><\/span>\n<\/a><\/span>\n<\/a>students =<\/span> malloc(<\/span><\/span>\n<\/a>    sizeof<\/span>(<\/span>Student)<\/span> *<\/span> capacity<\/span>\n<\/a>);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u5982\u679c\u6ee1\u4e86\uff1a<\/p>\n\n\n\n
count == capacity\n\u2193\nrealloc\n\u2193\n\u6269\u5927\u7a7a\u95f4<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>Student *<\/span>temp =<\/span> realloc(<\/span><\/span>\n<\/a>    students,<\/span><\/span>\n<\/a>    sizeof<\/span>(<\/span>Student)<\/span> *<\/span> capacity *<\/span> 2<\/span><\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>if<\/span> (<\/span>temp !=<\/span> NULL)<\/span> {<\/span><\/span>\n<\/a>    students =<\/span> temp;<\/span><\/span>\n<\/a>    capacity *=<\/span> 2<\/span>;<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u6837\u5c31\u5f62\u6210\u4e86\uff1a<\/p>\n\n\n\n
\u7ed3\u6784\u4f53\n+\n\u6307\u9488\n+\nmalloc\n+\nrealloc\n+\nfree<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u56db\u3001\u9879\u76ee 3\uff1a\u8bfe\u7a0b\u8868\u7ba1\u7406\u7cfb\u7edf<\/h1>\n\n\n\n
\u8fd9\u4e2a\u9879\u76ee\u975e\u5e38\u9002\u5408\u62ff\u6765\u4f5c\u4e3a\u6700\u7ec8\u9879\u76ee\u3002<\/p>\n\n\n\n
\u56e0\u4e3a\u4f60\u4e4b\u524d\u5df2\u7ecf\u5b9e\u9645\u505a\u8fc7\u8bfe\u7a0b\u8868\u3002<\/p>\n\n\n\n
\u76ee\u6807\uff1a<\/p>\n\n\n\n
\u8bfe\u7a0b\u6dfb\u52a0\n\u8bfe\u7a0b\u5220\u9664\n\u8bfe\u7a0b\u4fee\u6539\n\u67e5\u8be2\u8bfe\u7a0b\n\u663e\u793a\u8bfe\u7a0b\u8868\n\u4fdd\u5b58\u8bfe\u7a0b\u8868\n\u8bfb\u53d6\u8bfe\u7a0b\u8868<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u4e94\u3001\u8bfe\u7a0b\u6570\u636e\u7ed3\u6784<\/h1>\n\n\n\n
\u53ef\u4ee5\u8bbe\u8ba1\uff1a<\/p>\n\n\n\n
<\/a>typedef<\/span> struct<\/span> {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>100<\/span>];<\/span><\/span>\n<\/a>    char<\/span> teacher[<\/span>100<\/span>];<\/span><\/span>\n<\/a>    char<\/span> room[<\/span>100<\/span>];<\/span><\/span>\n<\/a>    int<\/span> day;<\/span><\/span>\n<\/a>    int<\/span> period;<\/span><\/span>\n<\/a>}<\/span> Course;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4ee3\u8868\uff1a<\/p>\n\n\n\n
\u8bfe\u7a0b\u540d\u79f0\n\u6559\u5e08\n\u6559\u5ba4\n\u661f\u671f\n\u7b2c\u51e0\u8282<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
C\u8bed\u8a00\n\u5f20\u8001\u5e08\nA101\n\u661f\u671f\u4e00\n\u7b2c1\u8282<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u516d\u3001\u8bfe\u7a0b\u8868\u7684\u6570\u636e<\/h1>\n\n\n\n
\u5982\u679c\u56fa\u5b9a\uff1a<\/p>\n\n\n\n
7 \u5929\n6 \u8282<\/code><\/pre>\n\n\n\n
\u53ef\u4ee5\uff1a<\/p>\n\n\n\n
<\/a>Course courses[<\/span>7<\/span>][<\/span>6<\/span>];<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4f46\u662f\u5982\u679c\u8bfe\u7a0b\u6570\u91cf\u4e0d\u56fa\u5b9a\uff1a<\/p>\n\n\n\n
Course *courses;<\/code><\/pre>\n\n\n\n
\u518d\u914d\u5408\uff1a<\/p>\n\n\n\n
malloc\nrealloc\nfree<\/code><\/pre>\n\n\n\n
\u5c31\u53ef\u4ee5\u505a\u52a8\u6001\u8bfe\u7a0b\u5217\u8868\u3002<\/p>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u4e03\u3001\u8bfe\u7a0b\u8868\u83dc\u5355<\/h1>\n\n\n\n
========== \u8bfe\u7a0b\u8868\u7ba1\u7406 =========\n\n1. \u6dfb\u52a0\u8bfe\u7a0b\n2. \u5220\u9664\u8bfe\u7a0b\n3. \u4fee\u6539\u8bfe\u7a0b\n4. \u67e5\u8be2\u8bfe\u7a0b\n5. \u663e\u793a\u8bfe\u7a0b\u8868\n6. \u4fdd\u5b58\u8bfe\u7a0b\u8868\n7. \u8bfb\u53d6\u8bfe\u7a0b\u8868\n0. \u9000\u51fa<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u516b\u3001\u663e\u793a\u8bfe\u7a0b\u8868<\/h1>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
          \u7b2c1\u8282       \u7b2c2\u8282       \u7b2c3\u8282\n\u661f\u671f\u4e00    C\u8bed\u8a00       \u6570\u5b66         \u82f1\u8bed\n\u661f\u671f\u4e8c    \u7269\u7406        \u8ba1\u7b97\u673a       \u4f53\u80b2\n\u661f\u671f\u4e09    ...<\/code><\/pre>\n\n\n\n
\u8fd9\u91cc\u4e3b\u8981\u4f7f\u7528\uff1a<\/p>\n\n\n\n
\u4e8c\u7ef4\u6570\u7ec4\nfor\n\u7ed3\u6784\u4f53\n\u5b57\u7b26\u4e32<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e8c\u5341\u4e5d\u3001\u8bfe\u7a0b\u51b2\u7a81\u68c0\u67e5<\/h1>\n\n\n\n
\u8fd9\u662f\u4e00\u4e2a\u5f88\u6709\u610f\u601d\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
\u661f\u671f\u4e00\n\u7b2c1\u8282<\/code><\/pre>\n\n\n\n
\u5df2\u7ecf\u6709\uff1a<\/p>\n\n\n\n
C\u8bed\u8a00<\/code><\/pre>\n\n\n\n
\u90a3\u4e48\u518d\u6b21\u6dfb\u52a0\uff1a<\/p>\n\n\n\n
\u6570\u5b66\n\u661f\u671f\u4e00\n\u7b2c1\u8282<\/code><\/pre>\n\n\n\n
\u5c31\u5e94\u8be5\u63d0\u793a\uff1a<\/p>\n\n\n\n
\u8bfe\u7a0b\u65f6\u95f4\u51b2\u7a81\uff01<\/code><\/pre>\n\n\n\n
\u903b\u8f91\uff1a<\/p>\n\n\n\n
\u904d\u5386\u73b0\u6709\u8bfe\u7a0b\n\u2193\n\u6bd4\u8f83 day\n\u2193\n\u6bd4\u8f83 period\n\u2193\n\u76f8\u540c\uff1f\n\u2193\n\u51b2\u7a81<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e09\u5341\u3001\u8bfe\u7a0b\u8868\u6587\u4ef6\u4fdd\u5b58<\/h1>\n\n\n\n
\u53ef\u4ee5\u4f7f\u7528\u4e8c\u8fdb\u5236\uff1a<\/p>\n\n\n\n
<\/a>fwrite(<\/span><\/span>\n<\/a>    courses,<\/span><\/span>\n<\/a>    sizeof<\/span>(<\/span>Course),<\/span><\/span>\n<\/a>    count,<\/span><\/span>\n<\/a>    fp<\/span>\n<\/a>);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4e5f\u53ef\u4ee5\u4fdd\u5b58\u6210\u6587\u672c\u3002<\/p>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
C\u8bed\u8a00|\u5f20\u8001\u5e08|A101|1|1\n\u6570\u5b66|\u674e\u8001\u5e08|B202|1|2<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u4e09\u5341\u4e00\u3001\u8fdb\u4e00\u6b65\uff1aJSON<\/h1>\n\n\n\n
\u5982\u679c\u4ee5\u540e\u5e0c\u671b\uff1a<\/p>\n\n\n\n
C \u7a0b\u5e8f\n\u2193\n\u751f\u6210 JSON\n\u2193\n\u7f51\u9875\n\u2193\n\u624b\u673a App<\/code><\/pre>\n\n\n\n
\u90a3\u4e48\u53ef\u4ee5\u8bbe\u8ba1\uff1a<\/p>\n\n\n\n
<\/a>{<\/span><\/span>\n<\/a>    \"name\"<\/span>:<\/span> \"C\u8bed\u8a00\"<\/span>,<\/span><\/span>\n<\/a>    \"teacher\"<\/span>:<\/span> \"\u5f20\u8001\u5e08\"<\/span>,<\/span><\/span>\n<\/a>    \"room\"<\/span>:<\/span> \"A101\"<\/span>,<\/span><\/span>\n<\/a>    \"day\"<\/span>:<\/span> 1<\/span>,<\/span><\/span>\n<\/a>    \"period\"<\/span>:<\/span> 1<\/span><\/span>\n<\/a>}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u4e0d\u8fc7\uff1a<\/p>\n\n\n\n
JSON \u5e76\u4e0d\u662f C \u6807\u51c6\u5e93\u81ea\u5e26\u7684\u6587\u4ef6\u683c\u5f0f\u3002<\/strong><\/p>\n\n\n\n
\u9700\u8981\u81ea\u5df1\u5199 JSON \u751f\u6210\/\u89e3\u6790\u4ee3\u7801\uff0c\u6216\u8005\u4f7f\u7528\u7b2c\u4e09\u65b9 JSON \u5e93\u3002<\/p>\n\n\n\n
\u5f53\u524d\u57fa\u7840\u8bfe\u7a0b\u4e0d\u5fc5\u9a6c\u4e0a\u6df1\u5165\u3002<\/p>\n\n\n\n
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\u4e09\u5341\u4e8c\u3001\u6700\u7ec8\u9879\u76ee\u67b6\u6784<\/h1>\n\n\n\n
\u5982\u679c\u628a\u8bfe\u7a0b\u8868\u505a\u5230\u6bd4\u8f83\u5b8c\u6574\uff0c\u53ef\u4ee5\uff1a<\/p>\n\n\n\n
course_manager\/\n\u2502\n\u251c\u2500 main.c\n\u2502\n\u251c\u2500 course.c\n\u251c\u2500 course.h\n\u2502\n\u251c\u2500 file.c\n\u251c\u2500 file.h\n\u2502\n\u251c\u2500 config.h\n\u2502\n\u251c\u2500 Makefile\n\u2502\n\u2514\u2500 data\/\n   \u2514\u2500 courses.dat<\/code><\/pre>\n\n\n\n
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\u4e09\u5341\u4e09\u3001course.h<\/h1>\n\n\n\n
<\/a>#ifndef COURSE_H<\/span><\/span>\n<\/a>#define COURSE_H<\/span><\/span>\n<\/a><\/span>\n<\/a>typedef<\/span> struct<\/span> {<\/span><\/span>\n<\/a>    char<\/span> name[<\/span>100<\/span>];<\/span><\/span>\n<\/a>    char<\/span> teacher[<\/span>100<\/span>];<\/span><\/span>\n<\/a>    char<\/span> room[<\/span>100<\/span>];<\/span><\/span>\n<\/a>    int<\/span> day;<\/span><\/span>\n<\/a>    int<\/span> period;<\/span><\/span>\n<\/a>}<\/span> Course;<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> add_course(<\/span><\/span>\n<\/a>    Course **<\/span>courses,<\/span><\/span>\n<\/a>    int<\/span> *<\/span>count,<\/span><\/span>\n<\/a>    int<\/span> *<\/span>capacity<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> delete_course(<\/span><\/span>\n<\/a>    Course *<\/span>courses,<\/span><\/span>\n<\/a>    int<\/span> *<\/span>count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> modify_course(<\/span><\/span>\n<\/a>    Course *<\/span>courses,<\/span><\/span>\n<\/a>    int<\/span> count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>void<\/span> print_courses(<\/span><\/span>\n<\/a>    Course *<\/span>courses,<\/span><\/span>\n<\/a>    int<\/span> count<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>Course *<\/span>find_course(<\/span><\/span>\n<\/a>    Course *<\/span>courses,<\/span><\/span>\n<\/a>    int<\/span> count,<\/span><\/span>\n<\/a>    int<\/span> day,<\/span><\/span>\n<\/a>    int<\/span> period<\/span>\n<\/a>);<\/span><\/span>\n<\/a><\/span>\n<\/a>#endif<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u91cc\u5df2\u7ecf\u7528\u5230\u4e86\uff1a<\/p>\n\n\n\n
\u4e8c\u7ea7\u6307\u9488<\/code><\/pre>\n\n\n\n
\u56e0\u4e3a\uff1a<\/p>\n\n\n\n
<\/a>Course **<\/span>courses<\/span><\/code><\/pre><\/div>\n\n\n\n
\u53ef\u80fd\u9700\u8981\u4fee\u6539\uff1a<\/p>\n\n\n\n
courses<\/code><\/pre>\n\n\n\n
\u672c\u8eab\u6307\u5411\u7684\u5730\u5740\uff0c\u4f8b\u5982 realloc()<\/code> \u540e\u6307\u9488\u53ef\u80fd\u53d1\u751f\u53d8\u5316\u3002<\/p>\n\n\n\n
\u8fd9\u6b63\u597d\u662f\u4e4b\u524d\u6307\u9488\u5b66\u4e60\u6210\u679c\u7684\u6700\u7ec8\u5e94\u7528\u4e4b\u4e00\u3002<\/p>\n\n\n\n
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\u4e09\u5341\u56db\u3001\u6587\u4ef6\u6a21\u5757<\/h1>\n\n\n\n
\u53ef\u4ee5\uff1a<\/p>\n\n\n\n
file.h\n\u2193\nsave_courses()\nload_courses()\n\nfile.c\n\u2193\n\u771f\u6b63\u5b9e\u73b0\u6587\u4ef6\u64cd\u4f5c<\/code><\/pre>\n\n\n\n
\u8fd9\u6837\u4e3b\u7a0b\u5e8f\u5b8c\u5168\u4e0d\u7528\u5173\u5fc3\uff1a<\/p>\n\n\n\n
fopen\nfread\nfwrite\nfclose<\/code><\/pre>\n\n\n\n
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\u4e09\u5341\u4e94\u3001\u914d\u7f6e\u6a21\u5757<\/h1>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>#ifndef CONFIG_H<\/span><\/span>\n<\/a>#define CONFIG_H<\/span><\/span>\n<\/a><\/span>\n<\/a>#define DEFAULT_CAPACITY <\/span>16<\/span><\/span>\n<\/a>#define COURSE_NAME_SIZE <\/span>100<\/span><\/span>\n<\/a>#define TEACHER_NAME_SIZE <\/span>100<\/span><\/span>\n<\/a>#define ROOM_NAME_SIZE <\/span>100<\/span><\/span>\n<\/a><\/span>\n<\/a>#endif<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u8fd9\u6837\u4fee\u6539\u914d\u7f6e\u7684\u65f6\u5019\uff1a<\/p>\n\n\n\n
\u53ea\u6539 config.h<\/code><\/pre>\n\n\n\n
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\u4e09\u5341\u516d\u3001Makefile<\/h1>\n\n\n\n
\u6700\u7ec8\u9879\u76ee\u5c31\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n
CC = gcc\nCFLAGS = -Wall -Wextra -g\n\nTARGET = course_manager\n\nOBJS = main.o course.o file.o\n\n$(TARGET): $(OBJS)\n    $(CC) $(CFLAGS) $^ -o $@\n\n%.o: %.c\n    $(CC) $(CFLAGS) -c $< -o $@\n\n.PHONY: clean\n\nclean:\n    rm -f $(TARGET) $(OBJS)<\/code><\/pre>\n\n\n\n
\u7f16\u8bd1\uff1a<\/p>\n\n\n\n
<\/a>make<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u6e05\u7406\uff1a<\/p>\n\n\n\n
<\/a>make<\/span> clean<\/span><\/code><\/pre><\/div>\n\n\n\n
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\u4e09\u5341\u4e03\u3001\u8c03\u8bd5\u6700\u7ec8\u9879\u76ee<\/h1>\n\n\n\n
\u9879\u76ee\u8d8a\u5927\uff0c\u8d8a\u5bb9\u6613\u4ea7\u751f Bug\u3002<\/p>\n\n\n\n
\u5efa\u8bae\uff1a<\/p>\n\n\n\n
\u666e\u901a\u95ee\u9898\n\u2193\nprintf\n\n\u7f16\u8bd1\u95ee\u9898\n\u2193\n-Wall -Wextra\n\n\u5185\u5b58\u95ee\u9898\n\u2193\nAddressSanitizer\n\n\u5d29\u6e83\n\u2193\nGDB\n\nLinux \u5185\u5b58\u68c0\u67e5\n\u2193\nValgrind<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
<\/a>gcc<\/span> -Wall<\/span> -Wextra<\/span> -g<\/span> \\<\/span><\/span>\n<\/a>    -fsanitize<\/span>=<\/span>address,undefined \\<\/span><\/span>\n<\/a>    main.c course.c file.c \\<\/span><\/span>\n<\/a>    -o<\/span> course_manager<\/span><\/code><\/pre><\/div>\n\n\n\n
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\u4e09\u5341\u516b\u3001\u9879\u76ee\u5f00\u53d1\u6d41\u7a0b<\/h1>\n\n\n\n
\u4ee5\u540e\u4e0d\u8981\u4e00\u4e0a\u6765\u5c31\u5199\u51e0\u5343\u884c\u4ee3\u7801\u3002<\/p>\n\n\n\n
\u63a8\u8350\uff1a<\/p>\n\n\n\n
\u2460 \u786e\u5b9a\u9700\u6c42\n      \u2193\n\u2461 \u8bbe\u8ba1\u6570\u636e\u7ed3\u6784\n      \u2193\n\u2462 \u8bbe\u8ba1\u51fd\u6570\n      \u2193\n\u2463 \u5148\u5b9e\u73b0\u6700\u7b80\u5355\u529f\u80fd\n      \u2193\n\u2464 \u6d4b\u8bd5\n      \u2193\n\u2465 \u62c6\u6210 .h \/ .c\n      \u2193\n\u2466 \u52a0\u5165\u6587\u4ef6\u4fdd\u5b58\n      \u2193\n\u2467 \u52a0\u5165\u52a8\u6001\u5185\u5b58\n      \u2193\n\u2468 \u52a0\u5165\u9519\u8bef\u5904\u7406\n      \u2193\n\u2469 Makefile\n      \u2193\n\u246a \u8c03\u8bd5<\/code><\/pre>\n\n\n\n
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\u4e09\u5341\u4e5d\u3001\u4e0d\u8981\u4e00\u6b21\u5199\u5b8c\u6574\u9879\u76ee<\/h1>\n\n\n\n
\u4f8b\u5982\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\u3002<\/p>\n\n\n\n
\u4e0d\u8981\uff1a<\/p>\n\n\n\n
\u4e00\u5929\u5199\u5b8c 2000 \u884c<\/code><\/pre>\n\n\n\n
\u63a8\u8350\uff1a<\/p>\n\n\n\n
\u7b2c\u4e00\u9636\u6bb5\n\u2193\n\u663e\u793a\u83dc\u5355\n\n\u7b2c\u4e8c\u9636\u6bb5\n\u2193\n\u6dfb\u52a0\u5b66\u751f\n\n\u7b2c\u4e09\u9636\u6bb5\n\u2193\n\u663e\u793a\u5b66\u751f\n\n\u7b2c\u56db\u9636\u6bb5\n\u2193\n\u67e5\u8be2\n\n\u7b2c\u4e94\u9636\u6bb5\n\u2193\n\u4fee\u6539 \/ \u5220\u9664\n\n\u7b2c\u516d\u9636\u6bb5\n\u2193\n\u6587\u4ef6\u4fdd\u5b58\n\n\u7b2c\u4e03\u9636\u6bb5\n\u2193\n\u52a8\u6001\u5185\u5b58\n\n\u7b2c\u516b\u9636\u6bb5\n\u2193\n\u62c6\u5206\u591a\u6587\u4ef6<\/code><\/pre>\n\n\n\n
\u6bcf\u4e00\u6b65\u90fd\u5148\u8fd0\u884c\u3002<\/p>\n\n\n\n
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\u56db\u5341\u3001\u6d4b\u8bd5<\/h1>\n\n\n\n
\u4e00\u4e2a\u7a0b\u5e8f\u4e0d\u662f\uff1a<\/p>\n\n\n\n
\u80fd\u8fd0\u884c<\/code><\/pre>\n\n\n\n
\u5c31\u7b97\u5b8c\u6210\u3002<\/p>\n\n\n\n
\u9700\u8981\u6d4b\u8bd5\uff1a<\/p>\n\n\n\n
\u6b63\u5e38\u8f93\u5165\n\u2193\n\u8fb9\u754c\u8f93\u5165\n\u2193\n\u9519\u8bef\u8f93\u5165\n\u2193\n\u6781\u7aef\u8f93\u5165\n\u2193\n\u91cd\u590d\u64cd\u4f5c\n\u2193\n\u7a7a\u6570\u636e\n\u2193\n\u6587\u4ef6\u4e0d\u5b58\u5728\n\u2193\n\u6587\u4ef6\u635f\u574f<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\uff1a<\/p>\n\n\n\n
0 \u4e2a\u5b66\u751f\n1 \u4e2a\u5b66\u751f\n100 \u4e2a\u5b66\u751f\n\u8d85\u8fc7\u5bb9\u91cf\n\u91cd\u590d ID\n\u4e0d\u5b58\u5728\u7684 ID\n\u7a7a\u6587\u4ef6\n\u4e0d\u5b58\u5728\u7684\u6587\u4ef6<\/code><\/pre>\n\n\n\n
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\u56db\u5341\u4e00\u3001\u6700\u7ec8\u9879\u76ee\u5e94\u8be5\u5177\u5907\u4ec0\u4e48<\/h1>\n\n\n\n
\u4e00\u4e2a\u5408\u683c\u7684\u7efc\u5408\u9879\u76ee\u81f3\u5c11\u5e94\u8be5\uff1a<\/p>\n\n\n\n
\u2713 \u80fd\u6b63\u5e38\u8fd0\u884c\n\u2713 \u6709\u6e05\u6670\u7684\u6570\u636e\u7ed3\u6784\n\u2713 \u4f7f\u7528\u51fd\u6570\u62c6\u5206\u529f\u80fd\n\u2713 \u4f7f\u7528\u7ed3\u6784\u4f53\u7ec4\u7ec7\u6570\u636e\n\u2713 \u6b63\u786e\u4f7f\u7528\u6307\u9488\n\u2713 \u6b63\u786e\u7ba1\u7406\u52a8\u6001\u5185\u5b58\n\u2713 \u80fd\u4fdd\u5b58\u6570\u636e\n\u2713 \u80fd\u8bfb\u53d6\u6570\u636e\n\u2713 \u4f7f\u7528 .h \/ .c \u6a21\u5757\u5316\n\u2713 \u4f7f\u7528 Makefile \u6784\u5efa\n\u2713 \u80fd\u5904\u7406\u57fa\u672c\u9519\u8bef\n\u2713 \u80fd\u8c03\u8bd5<\/code><\/pre>\n\n\n\n
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\u56db\u5341\u4e8c\u3001\u7efc\u5408\u9879\u76ee\u80fd\u529b\u5bf9\u5e94\u8868<\/h1>\n\n\n\n
\u5b66\u4e60\u5185\u5bb9                    \u9879\u76ee\u4e2d\u7684\u5e94\u7528\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\u53d8\u91cf                        \u4fdd\u5b58\u72b6\u6001\nprintf \/ scanf              \u8f93\u5165\u8f93\u51fa\nif \/ switch                 \u83dc\u5355\u5224\u65ad\nfor \/ while                 \u904d\u5386\u548c\u83dc\u5355\u5faa\u73af\n\u51fd\u6570                        \u529f\u80fd\u62c6\u5206\n\u6570\u7ec4                        \u4fdd\u5b58\u591a\u4e2a\u5bf9\u8c61\n\u5b57\u7b26\u4e32                      \u59d3\u540d\u3001\u8bfe\u7a0b\u540d\u7b49\n\u6307\u9488                        \u4fee\u6539\u6570\u636e\u3001\u4f20\u9012\u5730\u5740\n\u4e8c\u7ea7\u6307\u9488                    realloc \u7b49\u573a\u666f\n\u7ed3\u6784\u4f53                      Student \/ Course\nmalloc                      \u52a8\u6001\u6570\u636e\nrealloc                     \u6269\u5bb9\nfree                        \u91ca\u653e\u5185\u5b58\n\u6587\u4ef6\u64cd\u4f5c                    \u6570\u636e\u6301\u4e45\u5316\n#define                     \u914d\u7f6e\n.h \/ .c                     \u6a21\u5757\u5316\nextern \/ static             \u6a21\u5757\u7ba1\u7406\nMakefile                    \u81ea\u52a8\u6784\u5efa\nGDB                         \u8c03\u8bd5\nSanitizer                   \u5185\u5b58\u9519\u8bef\u68c0\u67e5<\/code><\/pre>\n\n\n\n
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\u56db\u5341\u4e09\u3001\u672c\u7ae0\u63a8\u8350\u7684\u4e09\u4e2a\u9879\u76ee\u96be\u5ea6<\/h1>\n\n\n\n
Level 1\n\u2514\u2500 \u731c\u6570\u5b57\n\nLevel 2\n\u2514\u2500 \u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\n   \u251c\u2500 \u6dfb\u52a0\n   \u251c\u2500 \u5220\u9664\n   \u251c\u2500 \u4fee\u6539\n   \u251c\u2500 \u67e5\u8be2\n   \u251c\u2500 \u6587\u4ef6\u4fdd\u5b58\n   \u2514\u2500 \u6587\u4ef6\u8bfb\u53d6\n\nLevel 3\n\u2514\u2500 \u8bfe\u7a0b\u8868\u7ba1\u7406\u7cfb\u7edf\n   \u251c\u2500 \u7ed3\u6784\u4f53\n   \u251c\u2500 \u52a8\u6001\u5185\u5b58\n   \u251c\u2500 \u65f6\u95f4\u51b2\u7a81\n   \u251c\u2500 \u6587\u4ef6\u6301\u4e45\u5316\n   \u251c\u2500 \u591a\u6587\u4ef6\n   \u251c\u2500 Makefile\n   \u2514\u2500 \u8c03\u8bd5<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u56db\u5341\u56db\u3001\u6700\u7ec8\u7ec3\u4e60\uff1a\u4ece\u96f6\u5b8c\u6210\u8bfe\u7a0b\u8868\u7cfb\u7edf<\/h1>\n\n\n\n
\u4e0d\u8981\u76f4\u63a5\u590d\u5236\u73b0\u6210\u4ee3\u7801\u3002<\/p>\n\n\n\n
\u81ea\u5df1\u5b8c\u6210\uff1a<\/p>\n\n\n\n
Step 1\n\u8bbe\u8ba1 Course \u7ed3\u6784\u4f53\n\nStep 2\n\u8bbe\u8ba1\u83dc\u5355\n\nStep 3\n\u6dfb\u52a0\u8bfe\u7a0b\n\nStep 4\n\u663e\u793a\u8bfe\u7a0b\n\nStep 5\n\u67e5\u8be2\u8bfe\u7a0b\n\nStep 6\n\u4fee\u6539\u8bfe\u7a0b\n\nStep 7\n\u5220\u9664\u8bfe\u7a0b\n\nStep 8\n\u68c0\u67e5\u65f6\u95f4\u51b2\u7a81\n\nStep 9\n\u4fdd\u5b58\u6587\u4ef6\n\nStep 10\n\u8bfb\u53d6\u6587\u4ef6\n\nStep 11\n\u4f7f\u7528 malloc\n\nStep 12\n\u4f7f\u7528 realloc\n\nStep 13\n\u4f7f\u7528 free\n\nStep 14\n\u62c6\u6210 .h \/ .c\n\nStep 15\n\u5199 Makefile\n\nStep 16\n\u4f7f\u7528 Sanitizer \/ GDB \u8c03\u8bd5<\/code><\/pre>\n\n\n\n
\u6700\u7ec8\u8fbe\u5230\uff1a<\/p>\n\n\n\n
\u8fd0\u884c\u7a0b\u5e8f\n\u2193\n\u64cd\u4f5c\u8bfe\u7a0b\u8868\n\u2193\n\u5173\u95ed\u7a0b\u5e8f\n\u2193\n\u91cd\u65b0\u6253\u5f00\n\u2193\n\u8bfe\u7a0b\u4ecd\u7136\u5b58\u5728<\/code><\/pre>\n\n\n\n
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\u4e00\u4e2a\u5b8c\u6574\u7684 C \u8bed\u8a00\u9879\u76ee\u3002<\/strong><\/p>\n\n\n\n
\n\n\n\n
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