{"id":183660,"date":"2024-11-10T06:40:16","date_gmt":"2024-11-09T22:40:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183660\/"},"modified":"2024-11-10T06:40:17","modified_gmt":"2024-11-09T22:40:17","slug":"%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e6%a8%a1%e6%93%ac%e7%b6%b2%e9%a0%81%e7%99%bb%e9%8c%84%e4%b8%8b%e8%bc%89%e6%95%b8%e6%93%9a%e5%ba%ab-c-%e6%a8%a1%e6%93%ac%e7%b6%b2%e9%a0%81%e7%99%bb%e9%8c%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183660\/","title":{"rendered":"\u4f7f\u7528C\u8a9e\u8a00\u6a21\u64ec\u7db2\u9801\u767b\u9304\u4e0b\u8f09\u6578\u64da\u5eab (c \u6a21\u64ec\u7db2\u9801\u767b\u9304\u4e0b\u8f09\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-iaadDoQhpz\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684C\u8a9e\u8a00\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u6a21\u64ec\u7db2\u9801\u767b\u9304\u4e26\u4e0b\u8f09\u6578\u64da\u3002\u9019\u500b\u793a\u4f8b\u4f7f\u7528\u4e86libcurl\u5eab\u4f86\u8655\u7406HTTP\u8acb\u6c42\u3002<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;curl\/curl.h&gt;\n\nsize_t write_callback(void *ptr, size_t size, size_t nmemb, void *userdata) {\n    \/\/ \u5c07\u4e0b\u8f09\u7684\u6578\u64da\u5beb\u5165\u6587\u4ef6\u6216\u7de9\u885d\u5340\n    FILE *fp = (FILE *)userdata;\n    return fwrite(ptr, size, nmemb, fp);\n}\n\nint main() {\n    CURL *curl;\n    CURLcode res;\n    FILE *fp;\n\n    \/\/ \u521d\u59cb\u5316libcurl\n    curl_global_init(CURL_GLOBAL_DEFAULT);\n    curl = curl_easy_init();\n\n    if(curl) {\n        \/\/ \u8a2d\u7f6e\u767b\u9304URL\n        curl_easy_setopt(curl, CURLOPT_URL, \"https:\/\/example.com\/login\");\n\n        \/\/ \u8a2d\u7f6ePOST\u6578\u64da\n        curl_easy_setopt(curl, CURLOPT_POSTFIELDS, \"username=myuser&amp;password=mypassword\");\n\n        \/\/ \u8a2d\u7f6e\u56de\u8abf\u51fd\u6578\u4ee5\u8655\u7406\u97ff\u61c9\n        fp = fopen(\"response.html\", \"wb\");\n        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);\n        curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);\n\n        \/\/ \u57f7\u884c\u767b\u9304\u8acb\u6c42\n        res = curl_easy_perform(curl);\n        fclose(fp);\n\n        \/\/ \u6aa2\u67e5\u8acb\u6c42\u662f\u5426\u6210\u529f\n        if(res != CURLE_OK) {\n            fprintf(stderr, \"curl_easy_perform() failed: %sn\", curl_easy_strerror(res));\n        }\n\n        \/\/ \u6e05\u7406\n        curl_easy_cleanup(curl);\n    }\n\n    curl_global_cleanup();\n    return 0;\n}\n<\/code><\/pre>\n<h2 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