{"id":60157,"date":"2024-10-13T00:31:19","date_gmt":"2024-10-12T16:31:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60157\/"},"modified":"2024-10-13T00:31:19","modified_gmt":"2024-10-12T16:31:19","slug":"c%e8%aa%9e%e8%a8%80%e5%af%a6%e7%8f%be%e6%89%93%e9%96%8b%e6%96%87%e4%bb%b6%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e6%9b%b4%e9%ab%98%e6%95%88-c%e6%89%93%e9%96%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60157\/","title":{"rendered":"C\u8a9e\u8a00\u5be6\u73fe\u6253\u958b\u6587\u4ef6\u6578\u64da\u5eab\uff0c\u6578\u64da\u64cd\u4f5c\u66f4\u9ad8\u6548 (c\u6253\u958b\u4e00\u500b\u6587\u4ef6\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e5%af%a6%e7%8f%be%e6%89%93%e9%96%8b%e6%96%87%e4%bb%b6%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e6%9b%b4%e9%ab%98%e6%95%88-izDrTfHYZY\">C\u8a9e\u8a00\u5be6\u73fe\u6253\u958b\u6587\u4ef6\u6578\u64da\u5eab\uff0c\u6578\u64da\u64cd\u4f5c\u66f4\u9ad8\u6548<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002C\u8a9e\u8a00\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u6587\u4ef6\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528C\u8a9e\u8a00\u6253\u958b\u6587\u4ef6\u6578\u64da\u5eab\uff0c\u4e26\u9032\u884c\u9ad8\u6548\u7684\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e6%96%87%e4%bb%b6%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%a6%82%e5%bf%b5-izDrTfHYZY\">\u6587\u4ef6\u6578\u64da\u5eab\u7684\u6982\u5ff5<\/h2>\n<p>\u6587\u4ef6\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u5c07\u6578\u64da\u5b58\u5132\u5728\u6587\u4ef6\u4e2d\u7684\u7c21\u55ae\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u8207\u50b3\u7d71\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u76f8\u6bd4\uff0c\u6587\u4ef6\u6578\u64da\u5eab\u7684\u7d50\u69cb\u66f4\u70ba\u7c21\u55ae\uff0c\u9069\u5408\u5c0f\u578b\u61c9\u7528\u6216\u5b78\u7fd2\u7528\u9014\u3002C\u8a9e\u8a00\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6578\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%89%93%e9%96%8b%e6%96%87%e4%bb%b6%e6%95%b8%e6%93%9a%e5%ba%ab-izDrTfHYZY\">\u6253\u958b\u6587\u4ef6\u6578\u64da\u5eab<\/h2>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u6253\u958b\u6587\u4ef6\u7684\u57fa\u672c\u51fd\u6578\u662f <code>fopen()<\/code>\u3002\u9019\u500b\u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u6253\u958b\u4e00\u500b\u6587\u4ef6\u4e26\u8fd4\u56de\u4e00\u500b\u6587\u4ef6\u6307\u91dd\uff0c\u8a72\u6307\u91dd\u53ef\u4ee5\u7528\u65bc\u5f8c\u7e8c\u7684\u8b80\u5beb\u64cd\u4f5c\u3002<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n\nint main() {\n    FILE *file;\n    file = fopen(\"database.txt\", \"r\"); \/\/ \u4ee5\u8b80\u53d6\u6a21\u5f0f\u6253\u958b\u6587\u4ef6\n\n    if (file == NULL) {\n        printf(\"\u7121\u6cd5\u6253\u958b\u6587\u4ef6\uff01n\");\n        return 1;\n    }\n\n    \/\/ \u9032\u884c\u6578\u64da\u64cd\u4f5c\n    fclose(file); \/\/ \u95dc\u9589\u6587\u4ef6\n    return 0;\n}\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>fopen()<\/code> \u51fd\u6578\u4ee5\u8b80\u53d6\u6a21\u5f0f\u6253\u958b\u540d\u70ba <code>database.txt<\/code> \u7684\u6587\u4ef6\u3002\u5982\u679c\u6587\u4ef6\u7121\u6cd5\u6253\u958b\uff0c\u5247\u8fd4\u56de <code>NULL<\/code>\uff0c\u4e26\u986f\u793a\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c-izDrTfHYZY\">\u6578\u64da\u64cd\u4f5c<\/h2>\n<p>\u4e00\u65e6\u6587\u4ef6\u6210\u529f\u6253\u958b\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u9032\u884c\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6578\uff1a<\/p>\n<ul>\n<li><code>fgets()<\/code>\uff1a\u5f9e\u6587\u4ef6\u4e2d\u8b80\u53d6\u4e00\u884c\u6578\u64da\u3002<\/li>\n<li><code>fprintf()<\/code>\uff1a\u5c07\u683c\u5f0f\u5316\u6578\u64da\u5beb\u5165\u6587\u4ef6\u3002<\/li>\n<li><code>fscanf()<\/code>\uff1a\u5f9e\u6587\u4ef6\u4e2d\u8b80\u53d6\u683c\u5f0f\u5316\u6578\u64da\u3002<\/li>\n<li><code>fwrite()<\/code>\uff1a\u5c07\u6578\u64da\u5beb\u5165\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h3 id=\"%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a%e7%a4%ba%e4%be%8b-izDrTfHYZY\">\u8b80\u53d6\u6578\u64da\u793a\u4f8b<\/h3>\n<pre><code>\n#include &lt;stdio.h&gt;\n\nint main() {\n    FILE *file;\n    char buffer[100];\n\n    file = fopen(\"database.txt\", \"r\");\n    if (file == NULL) {\n        printf(\"\u7121\u6cd5\u6253\u958b\u6587\u4ef6\uff01n\");\n        return 1;\n    }\n\n    while (fgets(buffer, sizeof(buffer), file) != NULL) {\n        printf(\"%s\", buffer); \/\/ \u8f38\u51fa\u8b80\u53d6\u7684\u6578\u64da\n    }\n\n    fclose(file);\n    return 0;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>fgets()<\/code> \u51fd\u6578\u9010\u884c\u8b80\u53d6\u6587\u4ef6\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u5c07\u5176\u8f38\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n<h3 id=\"%e5%af%ab%e5%85%a5%e6%95%b8%e6%93%9a%e7%a4%ba%e4%be%8b-izDrTfHYZY\">\u5beb\u5165\u6578\u64da\u793a\u4f8b<\/h3>\n<pre><code>\n#include &lt;stdio.h&gt;\n\nint main() {\n    FILE *file;\n\n    file = fopen(\"database.txt\", \"a\"); \/\/ \u4ee5\u9644\u52a0\u6a21\u5f0f\u6253\u958b\u6587\u4ef6\n    if (file == NULL) {\n        printf(\"\u7121\u6cd5\u6253\u958b\u6587\u4ef6\uff01n\");\n        return 1;\n    }\n\n    fprintf(file, \"\u65b0\u589e\u6578\u64da\u884cn\"); \/\/ \u5beb\u5165\u6578\u64da\n    fclose(file);\n    return 0;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>fprintf()<\/code> \u51fd\u6578\u5c07\u4e00\u884c\u65b0\u6578\u64da\u5beb\u5165\u6587\u4ef6\u3002\u6ce8\u610f\uff0c\u6211\u5011\u4ee5\u9644\u52a0\u6a21\u5f0f\u6253\u958b\u6587\u4ef6\uff0c\u4ee5\u4fbf\u4e0d\u8986\u84cb\u539f\u6709\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-izDrTfHYZY\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528C\u8a9e\u8a00\u5be6\u73fe\u6587\u4ef6\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u4e0d\u50c5\u7c21\u55ae\uff0c\u800c\u4e14\u9ad8\u6548\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528\u6587\u4ef6\u64cd\u4f5c\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u64cd\u4f5c\u7684\u6548\u7387\u3002\u7121\u8ad6\u662f\u5b78\u7fd2\u9084\u662f\u5be6\u969b\u61c9\u7528\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u7684\u6587\u4ef6\u64cd\u4f5c\u6280\u5de7\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u6709\u8208\u8da3\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u66f4\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u66f4\u9ad8\u7684\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22C\u8a9e\u8a00\u5982\u4f55\u9ad8\u6548\u6253\u958b\u548c\u64cd\u4f5c\u6587\u4ef6\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6027\u80fd\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60157","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60157"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60157\/revisions"}],"predecessor-version":[{"id":60158,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60157\/revisions\/60158"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}