{"id":36297,"date":"2025-05-09T08:31:01","date_gmt":"2025-05-09T00:31:01","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/36297.html"},"modified":"2025-05-09T08:31:01","modified_gmt":"2025-05-09T00:31:01","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e8%ae%a8-udp-%e5%8d%8f%e8%ae%ae%e4%b8%8e%e5%a4%9a%e7%ba%bf%e7%a8%8b-http-%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/36297.html","title":{"rendered":"\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668"},"content":{"rendered":"<h2>\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668<\/h2>\n<h3>\u4e00\u3001UDP \u534f\u8bae&#xff1a;\u9ad8\u6548\u4f46\u201c\u4e0d\u7f81\u201d\u7684\u4f20\u8f93\u4f7f\u8005<\/h3>\n<p>UDP \u534f\u8bae\u4ee5\u5176\u72ec\u7279\u7684\u7279\u6027\u5728\u7f51\u7edc\u4f20\u8f93\u4e2d\u5360\u636e\u4e00\u5e2d\u4e4b\u5730&#xff0c;\u9002\u7528\u4e8e\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u3001\u80fd\u5bb9\u5fcd\u5c11\u91cf\u6570\u636e\u4e22\u5931\u7684\u573a\u666f\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250509003058-681d4cc231d99.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>1. UDP \u7684\u7279\u70b9\u89e3\u6790<\/h4>\n<ul>\n<li>\u65e0\u8fde\u63a5&#xff1a;\u65e0\u9700\u63d0\u524d\u5efa\u7acb\u8fde\u63a5&#xff0c;\u5982\u540c\u201c\u4e0d\u6253\u7535\u8bdd\u76f4\u63a5\u5bc4\u5feb\u9012\u201d&#xff0c;\u51cf\u5c11\u4e86\u8fde\u63a5\u5efa\u7acb\u7684\u65f6\u95f4\u5f00\u9500&#xff0c;\u60f3\u53d1\u5c31\u53d1\u3002<\/li>\n<li>\u4e0d\u53ef\u9760&#xff1a;\u4e0d\u4fdd\u8bc1\u6570\u636e\u4e00\u5b9a\u5230\u8fbe\u3001\u4e0d\u68c0\u6d4b\u9519\u8bef\u3001\u4e0d\u6392\u5e8f\u3002\u4f46\u8fd9\u4e5f\u8ba9\u5b83\u7701\u53bb\u4e86\u590d\u6742\u7684\u786e\u8ba4\u673a\u5236&#xff0c;\u9002\u5408\u89c6\u9891\u901a\u8bdd\u3001\u5728\u7ebf\u6e38\u620f\u7b49\u573a\u666f&#xff0c;\u5076\u5c14\u5361\u987f\u6216\u4e22\u5305\u53ef\u63a5\u53d7\u3002<\/li>\n<li>\u6570\u636e\u62a5\u4f20\u8f93&#xff1a;\u4ee5\u201c\u5757\u201d\u4e3a\u5355\u4f4d\u4f20\u8f93&#xff08;\u6570\u636e\u62a5&#xff09;&#xff0c;\u53d1\u9001\u7aef\u53d1\u591a\u5c11&#xff0c;\u63a5\u6536\u7aef\u6536\u591a\u5c11&#xff0c;\u4fdd\u6301\u539f\u59cb\u8fb9\u754c\u3002\u4f8b\u5982\u53d1\u9001\u201cabc\u201d\u548c\u201cdef\u201d&#xff0c;\u63a5\u6536\u7aef\u4e0d\u4f1a\u5408\u5e76\u4e3a\u201cabcdef\u201d\u3002<\/li>\n<li>\u901f\u5ea6\u5feb\u3001\u5f00\u9500\u5c0f&#xff1a;\u5934\u90e8\u4ec5 8 \u5b57\u8282&#xff08;TCP \u4e3a 20 \u5b57\u8282&#xff09;&#xff0c;\u989d\u5916\u8d1f\u62c5\u5c11&#xff0c;\u4f20\u8f93\u6548\u7387\u9ad8&#xff0c;\u9002\u5408\u76f4\u64ad\u3001DNS \u67e5\u8be2\u7b49\u201c\u62a2\u65f6\u95f4\u201d\u573a\u666f\u3002<\/li>\n<li>\u4e0d\u9002\u5e94\u7f51\u7edc\u62e5\u585e\u63a7\u5236&#xff1a;\u65e0\u201c\u51cf\u901f\u201d\u673a\u5236&#xff0c;\u7f51\u7edc\u62e5\u5835\u65f6\u53ef\u80fd\u4e22\u5305\u66f4\u591a&#xff0c;\u4f46\u80fd\u4fdd\u6301\u5feb\u901f\u53d1\u9001&#xff0c;\u4e0e TCP \u7684\u81ea\u9002\u5e94\u51cf\u901f\u5f62\u6210\u5bf9\u6bd4\u3002<\/li>\n<li>\u652f\u6301\u591a\u79cd\u901a\u4fe1\u65b9\u5f0f&#xff1a;\u53ef\u5355\u64ad&#xff08;\u4e00\u5bf9\u4e00&#xff09;\u3001\u5e7f\u64ad\/\u7ec4\u64ad&#xff08;\u4e00\u5bf9\u591a&#xff09;&#xff0c;\u5982\u7f51\u8bfe\u76f4\u64ad\u5411\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u53d1\u9001\u6570\u636e\u3002<\/li>\n<\/ul>\n<p>\u4e00\u53e5\u8bdd\u603b\u7ed3&#xff1a;UDP \u5982\u540c\u201c\u5feb\u9012\u6025\u4ef6\u201d&#xff0c;\u901f\u5ea6\u5feb\u4f46\u4e0d\u786e\u4fdd\u7b7e\u6536&#xff0c;\u9002\u5408\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u6216\u7b80\u5355\u4f20\u8f93\u7684\u573a\u666f\u3002<\/p>\n<h4>2. UDP \u7f51\u7edc\u7f16\u7a0b\u4ee3\u7801\u89e3\u6790<\/h4>\n<h5>\u670d\u52a1\u5668\u7aef&#xff08;ser.c&#xff09;<\/h5>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span>  <\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa UDP \u5957\u63a5\u5b57&#xff0c;AF_INET \u8868\u793a IPv4&#xff0c;SOCK_DGRAM \u8868\u793a UDP \u7c7b\u578b&#xff0c;0 \u8868\u793a\u9ed8\u8ba4\u534f\u8bae  <\/span><br \/>\n    <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;socket err&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span>  <\/p>\n<p>    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> saddr<span class=\"token punctuation\">,<\/span> caddr<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>saddr<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>saddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">6000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7aef\u53e3\u53f7\u8f6c\u7f51\u7edc\u5b57\u8282\u5e8f  <\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ed1\u5b9a\u672c\u5730\u56de\u73af\u5730\u5740  <\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u7ed1\u5b9a\u5957\u63a5\u5b57\u5230\u6307\u5b9a\u5730\u5740\u548c\u7aef\u53e3  <\/span><br \/>\n    <span class=\"token keyword\">int<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>saddr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>saddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>res <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;bind err\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span>  <\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>caddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u63a5\u6536\u6570\u636e&#xff0c;recvfrom \u7528\u4e8e UDP&#xff0c;\u53ef\u83b7\u53d6\u53d1\u9001\u65b9\u5730\u5740  <\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token number\">128<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>caddr<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recvfrom(%s) buff:%s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>caddr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5411\u53d1\u9001\u65b9\u56de\u590d\u201cok\u201d  <\/span><br \/>\n        <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;ok&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>caddr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>caddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>  <\/p>\n<h5>\u5ba2\u6237\u7aef&#xff08;cli.c&#xff09;<\/h5>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span>  <\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_DGRAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;socket err&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span>  <\/p>\n<p>    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> saddr<span class=\"token punctuation\">;<\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">6000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;input:\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">fgets<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> <span class=\"token number\">128<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">stdin<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">strncmp<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;end&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5411\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e  <\/span><br \/>\n        <span class=\"token function\">sendto<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>saddr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>saddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">memset<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">128<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> len <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>saddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u63a5\u6536\u670d\u52a1\u5668\u54cd\u5e94  <\/span><br \/>\n        <span class=\"token function\">recvfrom<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token number\">128<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>saddr<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;buff(%s):%s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">inet_ntoa<\/span><span class=\"token punctuation\">(<\/span>saddr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>  <\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u7aef&#xff1a;\u521b\u5efa UDP \u5957\u63a5\u5b57&#xff0c;\u7ed1\u5b9a\u5230 127.0.0.1:6000&#xff0c;\u5faa\u73af\u63a5\u6536\u5ba2\u6237\u7aef\u6570\u636e&#xff0c;\u6253\u5370\u53d1\u9001\u65b9 IP \u548c\u6570\u636e&#xff0c;\u56de\u590d\u201cok\u201d\u3002<\/li>\n<li>\u5ba2\u6237\u7aef&#xff1a;\u521b\u5efa UDP \u5957\u63a5\u5b57&#xff0c;\u5faa\u73af\u8bfb\u53d6\u7528\u6237\u8f93\u5165&#xff0c;\u53d1\u9001\u7ed9\u670d\u52a1\u5668&#xff0c;\u63a5\u6536\u5e76\u6253\u5370\u670d\u52a1\u5668\u54cd\u5e94&#xff0c;\u8f93\u5165\u201cend\u201d\u65f6\u9000\u51fa\u3002<\/li>\n<\/ul>\n<h3>\u4e8c\u3001\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668&#xff1a;\u6784\u5efa Web \u901a\u4fe1\u67a2\u7ebd<\/h3>\n<p>HTTP \u534f\u8bae&#xff08;\u7aef\u53e3 80&#xff0c;HTTPS \u4e3a 443&#xff09;\u662f\u5e94\u7528\u5c42\u7684\u6838\u5fc3\u534f\u8bae&#xff0c;\u57fa\u4e8e TCP \u534f\u8bae&#xff0c;\u5177\u6709\u65e0\u72b6\u6001\u3001\u7b80\u5355\u7075\u6d3b\u7b49\u7279\u70b9&#xff0c;\u5e7f\u6cdb\u7528\u4e8e Web \u901a\u4fe1\u3002\u591a\u7ebf\u7a0b\u8bbe\u8ba1\u4f7f\u5176\u80fd\u5e76\u53d1\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42&#xff0c;\u63d0\u5347\u6027\u80fd\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250509003058-681d4cc28d73c.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>1. HTTP \u534f\u8bae\u6df1\u5ea6\u89e3\u6790<\/h4>\n<ul>\n<li>\n<p>\u8bf7\u6c42\u65b9\u6cd5&#xff1a;\u5e38\u89c1\u7684\u6709 GET&#xff08;\u83b7\u53d6\u8d44\u6e90&#xff09;\u3001POST&#xff08;\u63d0\u4ea4\u6570\u636e&#xff09;\u3001PUT&#xff08;\u66f4\u65b0\u8d44\u6e90&#xff09;\u3001DELETE&#xff08;\u5220\u9664\u8d44\u6e90&#xff09;\u7b49\u3002\u4f8b\u5982&#xff0c;\u6d4f\u89c8\u5668\u8bbf\u95ee\u7f51\u9875\u4f7f\u7528 GET \u8bf7\u6c42\u83b7\u53d6\u9875\u9762\u5185\u5bb9\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250509003059-681d4cc396a36.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>\u72b6\u6001\u7801&#xff1a;<\/p>\n<ul>\n<li>2xx&#xff08;\u5982 200 OK&#xff09;&#xff1a;\u8868\u793a\u8bf7\u6c42\u6210\u529f\u3002<\/li>\n<li>4xx&#xff08;\u5982 404 NOT FOUND&#xff09;&#xff1a;\u5ba2\u6237\u7aef\u9519\u8bef&#xff0c;\u8d44\u6e90\u4e0d\u5b58\u5728\u3002<\/li>\n<li>5xx&#xff08;\u5982 500 Internal Server Error&#xff09;&#xff1a;\u670d\u52a1\u5668\u5185\u90e8\u9519\u8bef\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250509003059-681d4cc3e09ad.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u957f\u8fde\u63a5\u4e0e\u77ed\u8fde\u63a5&#xff1a;<\/p>\n<ul>\n<li>\u77ed\u8fde\u63a5&#xff1a;\u6bcf\u6b21\u8bf7\u6c42\u90fd\u65b0\u5efa TCP \u8fde\u63a5&#xff0c;\u5b8c\u6210\u540e\u5173\u95ed\u3002\u9002\u7528\u4e8e\u8bf7\u6c42\u4e0d\u9891\u7e41\u7684\u573a\u666f&#xff0c;\u5982\u666e\u901a\u7f51\u9875\u6d4f\u89c8\u3002<\/li>\n<li>\u957f\u8fde\u63a5&#xff08;Keep-Alive&#xff09;&#xff1a;\u591a\u4e2a\u8bf7\u6c42\u590d\u7528\u4e00\u4e2a TCP \u8fde\u63a5&#xff0c;\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u5f00\u9500&#xff0c;\u63d0\u5347\u6548\u7387&#xff0c;\u9002\u7528\u4e8e\u9891\u7e41\u4ea4\u4e92\u7684\u573a\u666f&#xff0c;\u5982\u5355\u9875\u5e94\u7528&#xff08;SPA&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u65e0\u72b6\u6001\u7279\u6027&#xff1a;HTTP \u534f\u8bae\u672c\u8eab\u4e0d\u8bb0\u5f55\u5ba2\u6237\u7aef\u72b6\u6001&#xff0c;\u901a\u8fc7 Cookie\u3001Session \u7b49\u673a\u5236\u5b9e\u73b0\u4f1a\u8bdd\u8ddf\u8e2a\u3002\u4f8b\u5982&#xff0c;\u7528\u6237\u767b\u5f55\u540e&#xff0c;\u670d\u52a1\u5668\u901a\u8fc7 Cookie \u8bc6\u522b\u7528\u6237\u540e\u7eed\u8bf7\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p>http\u8bf7\u6c42\u62a5\u6587\u5982\u4e0b\u56fe &#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250509003100-681d4cc45194b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<li>\n<p>http\u5e94\u7b54\u62a5\u6587\u5982\u4e0b\u56fe <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250509003100-681d4cc47bce0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<\/li>\n<\/ul>\n<h4>2. \u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668\u4ee3\u7801\u8be6\u89e3<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/socket.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;netinet\/in.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;arpa\/inet.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;pthread.h&gt;<\/span>  <\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;fcntl.h&gt;<\/span>  <\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">PATH<\/span> <span class=\"token string\">&#034;\/home\/stu\/0101\/http&#034;<\/span>  <\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">socket_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">strtok_fun<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span> buff<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>saveptr<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u89e3\u6790\u8bf7\u6c42\u5934\u7b2c\u4e00\u884c&#xff0c;\u83b7\u53d6\u8bf7\u6c42\u7684\u6587\u4ef6\u540d\u3002\u4f8b\u5982&#xff0c;\u5bf9\u4e8e\u201cGET \/index.html HTTP\/1.1\u201d&#xff0c;\u63d0\u53d6\u201c\/index.html\u201d  <\/span><br \/>\n    <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>p <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">strtok_r<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>saveptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">!&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        p <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">strtok_r<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>saveptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> p<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>  <\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token function\">thread_fun<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> c <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>arg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>arg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buff<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">,<\/span> buff<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef\u5173\u95ed\u8fde\u63a5&#xff0c;recv \u8fd4\u56de 0  <\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;recv err&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>filename <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">strtok_fun<\/span><span class=\"token punctuation\">(<\/span>buff<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>filename <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">strcmp<\/span><span class=\"token punctuation\">(<\/span>filename<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            filename <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\/index.html&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u82e5\u8bf7\u6c42\u6839\u8def\u5f84&#xff0c;\u9ed8\u8ba4\u8fd4\u56de index.html  <\/span><br \/>\n        <span class=\"token punctuation\">}<\/span>  <\/p>\n<p>        <span class=\"token keyword\">char<\/span> path<span class=\"token punctuation\">[<\/span><span class=\"token number\">256<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">strcpy<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">,<\/span> PATH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">strcat<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">,<\/span> filename<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;path:%s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> path<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <\/p>\n<p>        <span class=\"token keyword\">int<\/span> file_id <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">,<\/span> O_RDONLY<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>file_id <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/\/ \u6587\u4ef6\u4e0d\u5b58\u5728&#xff0c;\u6784\u9020 404 \u54cd\u5e94\u5934  <\/span><br \/>\n            <span class=\"token keyword\">char<\/span> head<span class=\"token punctuation\">[<\/span><span class=\"token number\">256<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;HTTP\/1.1 404 NOT FOUND\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">strcat<\/span><span class=\"token punctuation\">(<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Server: myhttp\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>head <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>head<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Content-Length: 0\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">strcat<\/span><span class=\"token punctuation\">(<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">,<\/span> head<span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>head<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span>  <\/p>\n<p>        <span class=\"token keyword\">int<\/span> filesize <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">lseek<\/span><span class=\"token punctuation\">(<\/span>file_id<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">SEEK_END<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">lseek<\/span><span class=\"token punctuation\">(<\/span>file_id<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">SEEK_SET<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <\/p>\n<p>        <span class=\"token keyword\">char<\/span> head<span class=\"token punctuation\">[<\/span><span class=\"token number\">256<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;HTTP\/1.1 200 OK\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">strcat<\/span><span class=\"token punctuation\">(<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Server: myhttp\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">sprintf<\/span><span class=\"token punctuation\">(<\/span>head <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>head<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Content-Length: %d\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> filesize<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">strcat<\/span><span class=\"token punctuation\">(<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\\\\r\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">,<\/span> head<span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>head<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u53d1\u9001 200 \u54cd\u5e94\u5934&#xff0c;\u5305\u542b\u670d\u52a1\u5668\u4fe1\u606f\u3001\u5185\u5bb9\u957f\u5ea6\u7b49  <\/span><\/p>\n<p>        <span class=\"token keyword\">char<\/span> data<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>num <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>file_id<span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1024<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">,<\/span> num<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5206\u5757\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef  <\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>file_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;cli close&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">pthread_exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>  <\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> c <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>c <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;accept err&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token class-name\">pthread_t<\/span> id<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> <span class=\"token operator\">*<\/span>p <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token operator\">*<\/span>p <span class=\"token operator\">&#061;<\/span> c<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">pthread_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>id<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> thread_fun<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>p<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;pthread_create err&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>p<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">pthread_detach<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5206\u79bb\u7ebf\u7a0b&#xff0c;\u4f7f\u5176\u7ed3\u675f\u540e\u81ea\u52a8\u91ca\u653e\u8d44\u6e90&#xff0c;\u907f\u514d\u5185\u5b58\u6cc4\u6f0f  <\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>  <\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">socket_init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> sockfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">socket<\/span><span class=\"token punctuation\">(<\/span>AF_INET<span class=\"token punctuation\">,<\/span> SOCK_STREAM<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa TCP \u5957\u63a5\u5b57&#xff0c;SOCK_STREAM \u8868\u793a\u9762\u5411\u8fde\u63a5\u7684 TCP  <\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sockfd <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;socket err&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr_in<\/span> saddr<span class=\"token punctuation\">;<\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_family <span class=\"token operator\">&#061;<\/span> AF_INET<span class=\"token punctuation\">;<\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_port <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">htons<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">80<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7ed1\u5b9a 80 \u7aef\u53e3&#xff0c;HTTP \u534f\u8bae\u9ed8\u8ba4\u7aef\u53e3  <\/span><br \/>\n    saddr<span class=\"token punctuation\">.<\/span>sin_addr<span class=\"token punctuation\">.<\/span>s_addr <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">inet_addr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <\/p>\n<p>    <span class=\"token keyword\">int<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">sockaddr<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span>saddr<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>saddr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>res <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;bind err&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span>sockfd<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;listen err&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> sockfd<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>  <\/p>\n<ul>\n<li>socket_init \u51fd\u6570&#xff1a;\u521d\u59cb\u5316 TCP \u5957\u63a5\u5b57&#xff0c;\u7ed1\u5b9a\u5230 127.0.0.1:80&#xff0c;\u901a\u8fc7 listen \u5f00\u59cb\u76d1\u542c&#xff0c;\u4f7f\u670d\u52a1\u5668\u5904\u4e8e\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5\u72b6\u6001\u3002<\/li>\n<li>main \u51fd\u6570&#xff1a;\u5faa\u73af\u8c03\u7528 accept \u63a5\u6536\u5ba2\u6237\u7aef\u8fde\u63a5\u3002\u6bcf\u6536\u5230\u4e00\u4e2a\u8fde\u63a5&#xff0c;\u521b\u5efa\u65b0\u7ebf\u7a0b\u5904\u7406&#xff08;thread_fun&#xff09;&#xff0c;\u901a\u8fc7 pthread_detach \u5206\u79bb\u7ebf\u7a0b&#xff0c;\u786e\u4fdd\u7ebf\u7a0b\u7ed3\u675f\u540e\u8d44\u6e90\u81ea\u52a8\u91ca\u653e&#xff0c;\u907f\u514d\u670d\u52a1\u5668\u8d44\u6e90\u6cc4\u6f0f\u3002<\/li>\n<li>thread_fun \u51fd\u6570&#xff1a;\n<ul>\n<li>\u8bfb\u53d6\u5ba2\u6237\u7aef\u8bf7\u6c42\u6570\u636e&#xff0c;\u89e3\u6790\u8bf7\u6c42\u5934\u83b7\u53d6\u6587\u4ef6\u540d\u3002<\/li>\n<li>\u6839\u636e\u6587\u4ef6\u540d\u6784\u9020\u6587\u4ef6\u8def\u5f84&#xff0c;\u5c1d\u8bd5\u6253\u5f00\u6587\u4ef6\u3002\u82e5\u6587\u4ef6\u4e0d\u5b58\u5728&#xff0c;\u53d1\u9001 404 \u54cd\u5e94\u5934&#xff1b;\u82e5\u5b58\u5728&#xff0c;\u53d1\u9001 200 \u54cd\u5e94\u5934&#xff08;\u5305\u542b HTTP \u534f\u8bae\u7248\u672c\u3001\u72b6\u6001\u7801\u3001\u670d\u52a1\u5668\u540d\u79f0\u3001\u5185\u5bb9\u957f\u5ea6\u7b49&#xff09;&#xff0c;\u7136\u540e\u5206\u5757\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u5904\u7406\u5b8c\u4e00\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42\u540e&#xff0c;\u5173\u95ed\u8fde\u63a5\u5957\u63a5\u5b57&#xff0c;\u7ebf\u7a0b\u9000\u51fa\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>3. \u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668\u7684\u4f18\u52bf<\/h4>\n<ul>\n<li>\u5e76\u53d1\u5904\u7406&#xff1a;\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\u72ec\u7acb\u5206\u914d\u7ebf\u7a0b&#xff0c;\u591a\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42\u53ef\u540c\u65f6\u5904\u7406&#xff0c;\u63d0\u5347\u670d\u52a1\u5668\u541e\u5410\u91cf&#xff0c;\u907f\u514d\u5355\u4e2a\u8bf7\u6c42\u963b\u585e\u5f71\u54cd\u6574\u4f53\u670d\u52a1\u3002<\/li>\n<li>\u8d44\u6e90\u5229\u7528&#xff1a;\u5145\u5206\u5229\u7528\u591a\u6838 CPU \u8d44\u6e90&#xff0c;\u7ebf\u7a0b\u95f4\u76f8\u4e92\u72ec\u7acb&#xff0c;\u63d0\u9ad8\u7cfb\u7edf\u8d44\u6e90\u5229\u7528\u7387\u3002<\/li>\n<li>\u54cd\u5e94\u901f\u5ea6&#xff1a;\u53ca\u65f6\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42&#xff0c;\u51cf\u5c11\u7b49\u5f85\u65f6\u95f4&#xff0c;\u63d0\u5347\u7528\u6237\u4f53\u9a8c&#xff0c;\u5c24\u5176\u9002\u5408\u9ad8\u5e76\u53d1\u573a\u666f&#xff0c;\u5982\u7535\u5546\u7f51\u7ad9\u3001\u65b0\u95fb\u95e8\u6237\u7b49\u3002<\/li>\n<\/ul>\n<p>UDP \u534f\u8bae\u4ee5\u5176\u9ad8\u6548\u7b80\u6d01\u9002\u7528\u4e8e\u7279\u5b9a\u573a\u666f&#xff0c;\u800c\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668\u901a\u8fc7\u5e76\u53d1\u5904\u7406\u4e0e HTTP \u534f\u8bae\u7279\u6027\u7ed3\u5408&#xff0c;\u6210\u4e3a Web \u901a\u4fe1\u7684\u91cd\u8981\u652f\u67f1\u3002\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u6280\u672f&#xff0c;\u80fd\u66f4\u597d\u5730\u5e94\u5bf9\u7f51\u7edc\u7f16\u7a0b\u6311\u6218&#xff0c;\u6784\u5efa\u5f3a\u5927\u7a33\u5b9a\u7684\u7f51\u7edc\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e16\u6b21\uff0c\u6536\u85cf16\u6b21\u3002UDP \u534f\u8bae\u4ee5\u5176\u9ad8\u6548\u7b80\u6d01\u9002\u7528\u4e8e\u7279\u5b9a\u573a\u666f\uff0c\u800c\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668\u901a\u8fc7\u5e76\u53d1\u5904\u7406\u4e0e HTTP \u534f\u8bae\u7279\u6027\u7ed3\u5408\uff0c\u6210\u4e3a Web \u901a\u4fe1\u7684\u91cd\u8981\u652f\u67f1\u3002\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u6280\u672f\uff0c\u80fd\u66f4\u597d\u5730\u5e94\u5bf9\u7f51\u7edc\u7f16\u7a0b\u6311\u6218\uff0c\u6784\u5efa\u5f3a\u5927\u7a33\u5b9a\u7684\u7f51\u7edc\u5e94\u7528\u3002<\/p>\n","protected":false},"author":2,"featured_media":36291,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[151,58,205,103,193,43,191],"topic":[],"class_list":["post-36297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-http","tag-linux","tag-tcp-ip","tag-ubuntu","tag-udp","tag-43","tag-191"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/36297.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e16\u6b21\uff0c\u6536\u85cf16\u6b21\u3002UDP \u534f\u8bae\u4ee5\u5176\u9ad8\u6548\u7b80\u6d01\u9002\u7528\u4e8e\u7279\u5b9a\u573a\u666f\uff0c\u800c\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668\u901a\u8fc7\u5e76\u53d1\u5904\u7406\u4e0e HTTP \u534f\u8bae\u7279\u6027\u7ed3\u5408\uff0c\u6210\u4e3a Web \u901a\u4fe1\u7684\u91cd\u8981\u652f\u67f1\u3002\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u6280\u672f\uff0c\u80fd\u66f4\u597d\u5730\u5e94\u5bf9\u7f51\u7edc\u7f16\u7a0b\u6311\u6218\uff0c\u6784\u5efa\u5f3a\u5927\u7a33\u5b9a\u7684\u7f51\u7edc\u5e94\u7528\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/36297.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-09T00:31:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250509003058-681d4cc231d99.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/36297.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/36297.html\",\"name\":\"\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-05-09T00:31:01+00:00\",\"dateModified\":\"2025-05-09T00:31:01+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/36297.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/36297.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/36297.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/36297.html","og_locale":"zh_CN","og_type":"article","og_title":"\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e16\u6b21\uff0c\u6536\u85cf16\u6b21\u3002UDP \u534f\u8bae\u4ee5\u5176\u9ad8\u6548\u7b80\u6d01\u9002\u7528\u4e8e\u7279\u5b9a\u573a\u666f\uff0c\u800c\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668\u901a\u8fc7\u5e76\u53d1\u5904\u7406\u4e0e HTTP \u534f\u8bae\u7279\u6027\u7ed3\u5408\uff0c\u6210\u4e3a Web \u901a\u4fe1\u7684\u91cd\u8981\u652f\u67f1\u3002\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u6280\u672f\uff0c\u80fd\u66f4\u597d\u5730\u5e94\u5bf9\u7f51\u7edc\u7f16\u7a0b\u6311\u6218\uff0c\u6784\u5efa\u5f3a\u5927\u7a33\u5b9a\u7684\u7f51\u7edc\u5e94\u7528\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/36297.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-05-09T00:31:01+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250509003058-681d4cc231d99.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"5 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/36297.html","url":"https:\/\/www.wsisp.com\/helps\/36297.html","name":"\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-05-09T00:31:01+00:00","dateModified":"2025-05-09T00:31:01+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/36297.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/36297.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/36297.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u6df1\u5165\u63a2\u8ba8 UDP \u534f\u8bae\u4e0e\u591a\u7ebf\u7a0b HTTP \u670d\u52a1\u5668"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/36297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=36297"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/36297\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/36291"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=36297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=36297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=36297"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=36297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}