{"id":14271,"date":"2025-04-18T21:02:46","date_gmt":"2025-04-18T13:02:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/14271.html"},"modified":"2025-04-18T21:02:46","modified_gmt":"2025-04-18T13:02:46","slug":"cpp-httplib%e5%ba%93%e7%9a%84%e6%8e%a5%e5%8f%a3%e4%bb%8b%e7%bb%8d%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8e%a5%e5%8f%a3-server%e7%b1%bbrequest%e7%b1%bbresponse%e7%b1%bb%e7%9a%84%e9%83%a8%e5%88%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/14271.html","title":{"rendered":"cpp-httplib\u5e93\u7684\u63a5\u53e3\u4ecb\u7ecd(\u670d\u52a1\u5668\u63a5\u53e3 -- server\u7c7b,request\u7c7b,Response\u7c7b\u7684\u90e8\u5206\u5b57\u6bb5\u548c\u63a5\u53e3)"},"content":{"rendered":"<p id=\"main-toc\">\u76ee\u5f55<\/p>\n<p id=\"cpp-httplib-toc\" style=\"margin-left:0px\">cpp-httplib<\/p>\n<p id=\"%E4%BB%8B%E7%BB%8D-toc\" style=\"margin-left:40px\">\u4ecb\u7ecd<\/p>\n<p id=\"%E4%B8%8B%E8%BD%BD-toc\" style=\"margin-left:80px\">\u4e0b\u8f7d<\/p>\n<p id=\"%E6%9C%8D%E5%8A%A1%E5%99%A8%E6%8E%A5%E5%8F%A3-toc\" style=\"margin-left:40px\">\u670d\u52a1\u5668\u63a5\u53e3<\/p>\n<p id=\"Server-toc\" style=\"margin-left:80px\">Server<\/p>\n<p id=\"Server%E7%B1%BB-toc\" style=\"margin-left:120px\">Server\u7c7b<\/p>\n<p id=\"Get()-toc\" style=\"margin-left:120px\">Get()<\/p>\n<p id=\"pattern-toc\" style=\"margin-left:160px\">pattern<\/p>\n<p id=\"handler-toc\" style=\"margin-left:160px\">handler<\/p>\n<p id=\"Post()-toc\" style=\"margin-left:120px\">Post()<\/p>\n<p id=\"listen()-toc\" style=\"margin-left:120px\">listen()<\/p>\n<p id=\"host-toc\" style=\"margin-left:160px\">host<\/p>\n<p id=\"stop()-toc\" style=\"margin-left:120px\">stop()<\/p>\n<p id=\"Request%E7%B1%BB-toc\" style=\"margin-left:80px\">Request\u7c7b<\/p>\n<p id=\"%E5%AD%97%E6%AE%B5-toc\" style=\"margin-left:120px\">\u5b57\u6bb5<\/p>\n<p id=\"-toc\" style=\"margin-left:120px\">\n<p id=\"get_file_value()-toc\" style=\"margin-left:120px\">get_file_value()<\/p>\n<p id=\"key-toc\" style=\"margin-left:160px\">key<\/p>\n<p id=\"%E8%BF%94%E5%9B%9E%E5%80%BC-toc\" style=\"margin-left:160px\">\u8fd4\u56de\u503c<\/p>\n<p id=\"has_param()-toc\" style=\"margin-left:120px\">has_param()<\/p>\n<p id=\"key-toc\" style=\"margin-left:160px\">key<\/p>\n<p id=\"get_param_value()-toc\" style=\"margin-left:120px\">get_param_value()<\/p>\n<p id=\"key-toc\" style=\"margin-left:160px\">key<\/p>\n<p id=\"Response%E7%B1%BB-toc\" style=\"margin-left:80px\">Response\u7c7b<\/p>\n<p id=\"%E5%AD%97%E6%AE%B5-toc\" style=\"margin-left:120px\">\u5b57\u6bb5<\/p>\n<p id=\"set_content()-toc\" style=\"margin-left:120px\">set_content()<\/p>\n<p id=\"content-toc\" style=\"margin-left:160px\">content<\/p>\n<p id=\"content-type-toc\" style=\"margin-left:160px\">content-type<\/p>\n<p id=\"set_header()-toc\" style=\"margin-left:120px\">set_header()<\/p>\n<p id=\"get_header_value()-toc\" style=\"margin-left:120px\">get_header_value()<\/p>\n<p id=\"name-toc\" style=\"margin-left:160px\">name<\/p>\n<hr id=\"hr-toc\" \/>\n<h2 id=\"cpp-httplib\"><span style=\"color:#79c6cd\">cpp-httplib<\/span><\/h2>\n<h3 id=\"%E4%BB%8B%E7%BB%8D\"><span style=\"color:#6eaad7\">\u4ecb\u7ecd<\/span><\/h3>\n<p>cpp-httplib\u662f\u4e00\u4e2a\u975e\u5e38\u8f7b\u91cf\u7ea7\u7684 C&#043;&#043; HTTP \u5e93&#xff0c;\u63d0\u4f9b\u4e86\u7b80\u5355\u4e14\u529f\u80fd\u5f3a\u5927\u7684 HTTP\/HTTPS \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5b9e\u73b0<\/p>\n<ul>\n<li>\u8be5\u5e93\u7684\u6700\u5927\u7279\u70b9\u662f<span style=\"background-color:#ffd7b9\">\u6ca1\u6709\u4f9d\u8d56\u5176\u4ed6\u7b2c\u4e09\u65b9\u5e93,<\/span>\u4f7f\u5176\u975e\u5e38\u5bb9\u6613\u96c6\u6210\u548c\u4f7f\u7528 &#8212;\u00a0<span style=\"color:#0d0016\">\u5728\u4ee3\u7801\u4e2d\u53ea\u9700\u8981\u5305\u542b<\/span><span style=\"color:#ed7976\">\u5934\u6587\u4ef6&#034;httplib.h\u6240\u5728\u8def\u5f84&#034;<\/span><span style=\"color:#0d0016\">\u548c<\/span><span style=\"color:#ed7976\">\u7cfb\u7edfpthread\u5e93\u7684\u5934\u6587\u4ef6<\/span><span style=\"color:#0d0016\">\u5373\u53ef,\u4e0d\u9700\u8981\u5728\u7f16\u8bd1\u8bed\u53e5\u4e2d\u6307\u660ecpp-httplib<\/span><\/li>\n<li>\u9664\u4e86\u652f\u6301 HTTPS \u65f6\u9700\u8981 OpenSSL \u6216 mbedTLS<\/li>\n<\/ul>\n<h4 id=\"%E4%B8%8B%E8%BD%BD\"><span style=\"color:#9c8ec1\">\u4e0b\u8f7d<\/span><\/h4>\n<p><span style=\"color:#494949\"><span style=\"background-color:#ffd7b9\">git clone https:\/\/github.com\/yhirose\/cpp-httplib.git<\/span> \u6ce8\u610f\u4e8b\u9879<\/span><\/p>\n<ul>\n<li><span style=\"color:#494949\">\u9700\u8981\u4f7f\u7528\u8f83\u65b0\u7248\u672c\u7684gcc 7\u4ee5\u4e0a<\/span><\/li>\n<\/ul>\n<p><span style=\"color:#494949\">\u5982\u679cgcc\u57287\u4ee5\u4e0a,\u4f46\u4e0d\u662f\u7279\u522b\u65b0\u7684\u8bdd<\/span><\/p>\n<ul>\n<li><span style=\"color:#494949\">\u4e0d\u80fd\u4f7f\u7528\u6700\u65b0\u7684cpp-httplib,\u63a8\u8350\u4f7f\u75280.7.15<\/span><\/li>\n<li><span style=\"color:#494949\">\u5728\u6807\u7b7e\u4e2d\u53ef\u4ee5\u9009\u62e9\u4e0b\u8f7d\u7248\u672c<\/span><\/li>\n<\/ul>\n<h3 id=\"%E6%9C%8D%E5%8A%A1%E5%99%A8%E6%8E%A5%E5%8F%A3\"><span style=\"color:#6eaad7\">\u670d\u52a1\u5668\u63a5\u53e3<\/span><\/h3>\n<h4 id=\"Server\"><span style=\"color:#9c8ec1\">Server<\/span><\/h4>\n<h5 id=\"Server%E7%B1%BB\">Server\u7c7b<\/h5>\n<p>Server\u5c31\u662f\u670d\u52a1\u5668\u4e2d\u7684\u6838\u5fc3\u7c7b,\u6784\u9020\u65f6\u4e0d\u9700\u8981\u4f20\u53c2<\/p>\n<ul>\n<li>\u7528\u4e8e\u6784\u5efahttp\u670d\u52a1\u5668<\/li>\n<li> httplib::Server server;\n <\/li>\n<\/ul>\n<h5 id=\"Get()\"><span style=\"color:#494949\">Get()<\/span><\/h5>\n<p>\u7528\u4e8e\u53d1\u8d77http\u8bf7\u6c42<\/p>\n<ul>\n<li>get\u8bf7\u6c42\u4f1a\u4ece\u670d\u52a1\u5668\u8bf7\u6c42\u6307\u5b9a\u8def\u5f84\u7684\u8d44\u6e90<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"198\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130243-68024d73db190.png\" width=\"840\" \/><\/li>\n<\/ul>\n<p>\u5c06\u53c2\u6570\u9644\u52a0\u5728 URL \u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u4e2d<\/p>\n<ul>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"46\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d7402bd6.png\" width=\"585\" \/><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"58\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d74110a0.png\" width=\"745\" \/><\/p>\n<h6 id=\"pattern\">pattern<\/h6>\n<p>\u6807\u8bc6\u8bf7\u6c42\u7684url\u8def\u5f84\u6a21\u5f0f<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u4f1a\u6839\u636e\u8fd9\u4e2a\u6a21\u5f0f\u5339\u914d\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u8bf7\u6c42&#xff0c;\u5e76\u5c06\u5339\u914d\u7684\u8bf7\u6c42\u8def\u7531\u5230\u5bf9\u5e94\u7684\u5904\u7406\u51fd\u6570<\/li>\n<\/ul>\n<h6 id=\"handler\">handler<\/h6>\n<p>\u5904\u7406\u51fd\u6570<\/p>\n<ul>\n<li>\u4e00\u822c\u4f20\u5165lambda\u8868\u8fbe\u5f0f<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"126\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d741fa9b.png\" width=\"815\" \/><\/li>\n<li>\u5e76\u4e14\u53ef\u4ee5\u83b7\u53d6\u5230\u8bf7\u6c42\u548c\u54cd\u5e94\u5bf9\u8c61,\u4f9b\u540e\u7eed\u5904\u7406<\/li>\n<\/ul>\n<h5 id=\"Post()\"><span style=\"color:#494949\">Post()<\/span><\/h5>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"262\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d74346f2.png\" width=\"849\" \/><\/p>\n<p>\u5c06\u6570\u636e\u5305\u542b\u5728\u8bf7\u6c42\u7684\u4e3b\u4f53\u4e2d&#xff08;Request Body&#xff09;<\/p>\n<ul>\n<li>\u6240\u4ee5\u63d0\u53d6\u6570\u636e\u65f6,\u901a\u8fc7body\u83b7\u53d6<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"37\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d745290e.png\" width=\"626\" \/><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"63\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d7460c6c.png\" width=\"725\" \/><\/p>\n<ul>\n<li>\u548cget\u7c7b\u4f3c<\/li>\n<\/ul>\n<h5 id=\"listen()\"><span style=\"color:#494949\">listen()<\/span><\/h5>\n<p>\u542f\u52a8 HTTP \u670d\u52a1\u5668&#xff0c;\u5728\u6307\u5b9a\u4e3b\u673a\u548c\u7aef\u53e3\u4e0a\u76d1\u542c<\/p>\n<ul>\n<li>\u8c03\u7528\u8be5\u51fd\u6570\u540e,\u670d\u52a1\u5668\u4f1a\u6301\u7eed\u8fd0\u884c,\u76f4\u5230\u624b\u52a8\u505c\u6b62\u6216\u670d\u52a1\u5668\u8fdb\u7a0b\u5d29\u6e83<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"66\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d746f6e8.png\" width=\"658\" \/><\/p>\n<h6 id=\"host\">host<\/h6>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"294\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d747ead5.png\" width=\"796\" \/><\/p>\n<h5 id=\"stop()\"><span style=\"color:#494949\">stop()<\/span><\/h5>\n<p>\u505c\u6b62\u670d\u52a1\u5668\u8fd0\u884c<\/p>\n<ul>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"53\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d74a01ff.png\" width=\"272\" \/><\/li>\n<\/ul>\n<p>\u5728\u51fd\u6570\u4f53\u5185,\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e24\u4e2a\u5bf9\u8c61\u6765\u83b7\u53d6\u8bf7\u6c42\u5185\u5bb9\u548c\u6784\u5efa\u54cd\u5e94<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"126\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d741fa9b.png\" width=\"815\" \/><\/p>\n<\/p>\n<h4 id=\"Request%E7%B1%BB\"><span style=\"color:#9c8ec1\">Request\u7c7b<\/span><\/h4>\n<h5 id=\"%E5%AD%97%E6%AE%B5\">\u5b57\u6bb5<\/h5>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"443\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d74ad842.png\" width=\"976\" \/><\/p>\n<h5><\/h5>\n<h5 id=\"get_file_value()\">get_file_value()<\/h5>\n<p>\u83b7\u53d6\u8868\u5355\u4e0a\u4f20\u7684\u6587\u4ef6\u4fe1\u606f<\/p>\n<ul>\n<li>\u5f53\u5ba2\u6237\u7aef\u4ee5 multipart\/form-data \u683c\u5f0f\u4e0a\u4f20\u6587\u4ef6\u65f6&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u6b64\u65b9\u6cd5\u6765\u83b7\u53d6\u4e0a\u4f20\u7684\u6587\u4ef6<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"64\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d74d5f69.png\" width=\"738\" \/><\/p>\n<h6 id=\"key\">key<\/h6>\n<p>\u8981\u83b7\u53d6\u7684\u6587\u4ef6\u5b57\u6bb5\u7684\u540d\u79f0<\/p>\n<h6 id=\"%E8%BF%94%E5%9B%9E%E5%80%BC\">\u8fd4\u56de\u503c<\/h6>\n<p>\u8fd4\u56de\u4e0ekey\u76f8\u5173\u7684\u6587\u4ef6\u4fe1\u606f<\/p>\n<ul>\n<li>\u7c7b\u578b\u4e3aFile<\/li>\n<\/ul>\n<p> svr.Post(&#034;\/upload&#034;, [](const httplib::Request&amp; req, httplib::Response&amp; res) {<br \/>\n    \/\/ \u83b7\u53d6\u6587\u4ef6<br \/>\n    if (req.has_file(&#034;file&#034;)) {<br \/>\n        const httplib::File&amp; file &#061; req.get_file_value(&#034;file&#034;);<br \/>\n        \/\/ \u5904\u7406\u6587\u4ef6&#xff0c;\u6bd4\u5982\u4fdd\u5b58\u6587\u4ef6\u5230\u670d\u52a1\u5668<br \/>\n        std::ofstream ofs(file.filename, std::ios::binary);<br \/>\n        ofs &lt;&lt; file.content;<br \/>\n        ofs.close();<\/p>\n<p>        res.set_content(&#034;File uploaded successfully&#034;, &#034;text\/plain&#034;);<br \/>\n    } else {<br \/>\n        res.set_content(&#034;No file uploaded&#034;, &#034;text\/plain&#034;);<br \/>\n    }<br \/>\n});<\/p>\n<h5 id=\"has_param()\">has_param()<\/h5>\n<p>\u68c0\u67e5\u8bf7\u6c42\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u4e2d<span style=\"background-color:#f9eda6\">\u662f\u5426\u5305\u542b\u7279\u5b9a\u7684\u53c2\u6570<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"75\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130244-68024d74e5428.png\" width=\"605\" \/><\/p>\n<h6>key<\/h6>\n<p>\u67e5\u8be2\u53c2\u6570\u7684\u540d\u79f0<\/p>\n<h5 id=\"get_param_value()\">get_param_value()<\/h5>\n<p>\u83b7\u53d6\u8bf7\u6c42\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\u4e2d\u6307\u5b9a\u53c2\u6570\u7684\u503c<\/p>\n<ul>\n<li>\u5982\u679c\u8be5\u53c2\u6570\u4e0d\u5b58\u5728&#xff0c;\u5219\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32<\/li>\n<li>\u4e00\u822c\u4e0ehas_param()\u7ed3\u5408\u4f7f\u7528<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"68\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130245-68024d7500887.png\" width=\"795\" \/><\/p>\n<h6>key<\/h6>\n<p>\u67e5\u8be2\u53c2\u6570\u7684\u540d\u79f0<\/p>\n<p> svr.Post(&#034;\/submit&#034;, [](const httplib::Request&amp; req, httplib::Response&amp; res) {<br \/>\n    std::string name &#061; req.get_param_value(&#034;name&#034;);<br \/>\n    if (!name.empty()) {<br \/>\n        res.set_content(&#034;Received name: &#034; &#043; name, &#034;text\/plain&#034;);<br \/>\n    } else {<br \/>\n        res.set_content(&#034;No name provided&#034;, &#034;text\/plain&#034;);<br \/>\n    }<br \/>\n});<\/p>\n<h4 id=\"Response%E7%B1%BB\"><span style=\"color:#9c8ec1\">Response\u7c7b<\/span><\/h4>\n<h5>\u5b57\u6bb5<\/h5>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"390\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130245-68024d7512e5f.png\" width=\"882\" \/><\/p>\n<\/p>\n<h5 id=\"set_content()\">set_content()<\/h5>\n<p>\u8bbe\u7f6e\u54cd\u5e94\u5185\u5bb9<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"70\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130245-68024d7537aa0.png\" width=\"846\" \/><\/p>\n<h6 id=\"content\">content<\/h6>\n<p>\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u7684\u5b9e\u9645\u6570\u636e\u5185\u5bb9<\/p>\n<h6 id=\"content-type\">content-type<\/h6>\n<p>\u6307\u5b9a\u54cd\u5e94\u5185\u5bb9\u7684\u7c7b\u578b,\u544a\u8bc9\u5ba2\u6237\u7aef\u5982\u4f55\u89e3\u6790\u548c\u5904\u7406\u8fd4\u56de\u7684\u6570\u636e<\/p>\n<ul>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"228\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130245-68024d754ad1b.png\" width=\"445\" \/><\/li>\n<\/ul>\n<h5 id=\"set_header()\">set_header()<\/h5>\n<p>\u8bbe\u7f6e\u54cd\u5e94\u5934sehzhi<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"58\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130245-68024d755e376.png\" width=\"840\" \/><\/p>\n<ul>\n<li><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"103\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418130245-68024d756f64e.png\" width=\"300\" \/><\/li>\n<\/ul>\n<p> #include &lt;httplib.h&gt;<\/p>\n<p>int main() {<br \/>\n    httplib::Server svr;<\/p>\n<p>    svr.Get(&#034;\/api&#034;, [](const httplib::Request&amp; req, httplib::Response&amp; res) {<br \/>\n        res.set_header(&#034;Content-Type&#034;, &#034;application\/json&#034;);<br \/>\n        res.set_header(&#034;Cache-Control&#034;, &#034;no-store&#034;);<br \/>\n        res.set_header(&#034;X-Custom-Header&#034;, &#034;CustomValue&#034;);<\/p>\n<p>        std::string jsonResponse &#061; R&#034;({&#034;message&#034;: &#034;Hello, API!&#034;})&#034;;<br \/>\n        res.set_content(jsonResponse, &#034;application\/json&#034;);<br \/>\n    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