{"id":59683,"date":"2024-10-12T23:57:31","date_gmt":"2024-10-12T15:57:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59683\/"},"modified":"2024-10-12T23:57:31","modified_gmt":"2024-10-12T15:57:31","slug":"c%e8%aa%9e%e8%a8%80%e7%b7%a8%e5%af%ab%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bb%a3%e7%a2%bc%ef%bc%8c%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2-c%e5%89%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59683\/","title":{"rendered":"C\u8a9e\u8a00\u7de8\u5beb\u5275\u5efa\u6578\u64da\u5eab\u4ee3\u78bc\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5b58\u5132 (c\u5275\u5efa\u6578\u64da\u5eab\u4ee3\u78bc)"},"content":{"rendered":"<h1 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\u5b9a\u7fa9\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5b9a\u7fa9\u4e00\u500b\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5b9a\u7fa9\u4e86\u4e00\u500b\u7528\u65bc\u5b58\u5132\u7528\u6236\u4fe1\u606f\u7684\u7d50\u69cb\uff1a<\/p>\n<pre><code>\ntypedef struct {\n    int id;\n    char name[50];\n    char email[100];\n} User;\n<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e7%8f%becrud%e6%93%8d%e4%bd%9c-jOvnzOziNj\">2. \u5be6\u73feCRUD\u64cd\u4f5c<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5be6\u73fe\u6578\u64da\u7684\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u7528\u6236\u4fe1\u606f\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nvoid insertUser(User *users, int *count, int id, const char *name, const char *email) {\n    users[*count].id = id;\n    strcpy(users[*count].name, name);\n    strcpy(users[*count].email, email);\n    (*count)++;\n}\n<\/code><\/pre>\n<p>\u67e5\u8a62\u7528\u6236\u4fe1\u606f\u7684\u793a\u4f8b\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n<pre><code>\nvoid queryUser(User *users, int count, int id) {\n    for (int i = 0; i &lt; count; i++) {\n        if (users[i].id == id) {\n            printf(&quot;ID: %d, Name: %s, Email: %sn&quot;, users[i].id, users[i].name, users[i].email);\n            return;\n        }\n    }\n    printf(&quot;User not found.n&quot;);\n}\n<\/code><\/pre>\n<h3 id=\"3-%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e7%9a%84%e6%8c%81%e4%b9%85%e5%8c%96%e5%ad%98%e5%84%b2-jOvnzOziNj\">3. \u5be6\u73fe\u6578\u64da\u7684\u6301\u4e45\u5316\u5b58\u5132<\/h3>\n<p>\u70ba\u4e86\u5be6\u73fe\u6578\u64da\u7684\u6301\u4e45\u5316\u5b58\u5132\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u6578\u64da\u5beb\u5165\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u5c07\u7528\u6236\u4fe1\u606f\u5beb\u5165\u6587\u4ef6\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nvoid saveToFile(User *users, int count) {\n    FILE *file = fopen(\"users.dat\", \"wb\");\n    fwrite(users, sizeof(User), count, file);\n    fclose(file);\n}\n<\/code><\/pre>\n<h2 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