database-mysql/Simple_Clang_HTTP_Server
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database-mysql
2026-08-14 04:57:34 +08:00
commit 1824d1b4d3
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50
.gitignore vendored Normal file
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target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
.kotlin
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store
### Other ###
/target
/.idea
/.mvn
/build_release
/upload/
### Build Release ###
/cmake-build-debug
./cmake-build-debug

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CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.29)
project(main C)
set(CMAKE_C_STANDARD 23)
# 静态链接
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
# 或者使用以下方式（更推荐）
add_executable(main main.c)
if(WIN32)
target_link_libraries(main ws2_32)
# 静态链接所有库
target_link_options(main PRIVATE -static)
endif()

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index.html Normal file
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>最小HTTP服务器</title>
<style>
body {
font-family: Arial, sans-serif;
max-width: 800px;
margin: 50px auto;
padding: 20px;
background-color: #f5f5f5;
}
h1 {
color: #333;
text-align: center;
}
.info {
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
</style>
</head>
<body>
<div class="info">
<h1>🎉 Hello from C HTTP Server!</h1>
<p>这是一个用C语言编写的最小HTTP服务器</p>
<p><strong>特性：</strong></p>
<ul>
<li>使用原生Socket API</li>
<li>支持Windows、Linux平台</li>
<li>从文件读取HTML内容</li>
<li>正确处理UTF-8编码</li>
</ul>
</div>
</body>
</html>

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main.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
#else
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#define PORT 8080
#define BUFFER_SIZE 1024
#define HTML_FILE "index.html"
int main() {
#ifdef _WIN32
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
perror("WSAStartup failed");
exit(EXIT_FAILURE);
}
SetConsoleOutputCP(CP_UTF8);
#endif
int server_fd, new_socket;
struct sockaddr_in address;
int addrlen = sizeof(address);
char buffer[BUFFER_SIZE] = {0};
printf("Hello World!\n");
// 创建socket文件描述符
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
perror("socket failed");
exit(EXIT_FAILURE);
}
// 设置socket选项，允许地址重用
int opt = 1;
if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR,
(const char *)&opt, sizeof(opt))) {
perror("setsockopt");
exit(EXIT_FAILURE);
}
// 配置服务器地址结构
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(PORT);
// 绑定socket到指定地址和端口
if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
perror("bind failed");
exit(EXIT_FAILURE);
}
// 开始监听连接
if (listen(server_fd, 3) < 0) {
perror("listen");
exit(EXIT_FAILURE);
}
printf("HTTP服务器正在监听 %d 端口...\n", PORT);
while(1) {
if ((new_socket = accept(server_fd, (struct sockaddr *)&address,
&addrlen)) < 0) {
perror("accept");
exit(EXIT_FAILURE);
}
int valread = recv(new_socket, buffer, BUFFER_SIZE, 0);
printf("收到请求:\n%s\n", buffer);
FILE *html_file = fopen(HTML_FILE, "rb");
if (!html_file) {
const char *error_response =
"HTTP/1.1 404 Not Found\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"Connection: close\r\n"
"\r\n"
"<html><body><h1>404 - 文件未找到</h1></body></html>";
send(new_socket, error_response, strlen(error_response), 0);
#ifdef _WIN32
closesocket(new_socket);
#else
close(new_socket);
#endif
continue;
}
fseek(html_file, 0, SEEK_END);
long file_size = ftell(html_file);
fseek(html_file, 0, SEEK_SET);
char *html_content = (char *)malloc(file_size + 1);
if (!html_content) {
fclose(html_file);
const char *error_response =
"HTTP/1.1 500 Internal Server Error\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"Connection: close\r\n"
"\r\n"
"<html><body><h1>500 - 服务器错误</h1></body></html>";
send(new_socket, error_response, strlen(error_response), 0);
#ifdef _WIN32
closesocket(new_socket);
#else
close(new_socket);
#endif
continue;
}
fread(html_content, 1, file_size, html_file);
html_content[file_size] = '\0';
fclose(html_file);
char header[512];
sprintf(header,
"HTTP/1.1 200 OK\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"Content-Length: %ld\r\n"
"Connection: close\r\n"
"\r\n", file_size);
send(new_socket, header, strlen(header), 0);
send(new_socket, html_content, file_size, 0);
free(html_content);
printf("响应已发送\n");
#ifdef _WIN32
closesocket(new_socket);
#else
close(new_socket);
#endif
}
#ifdef _WIN32
WSACleanup();
#endif
return 0;
}

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main_back.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#include <winsock2.h>
#include <windows.h>
#else
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#define PORT 8080
#define BUFFER_SIZE 1024
#define HTML_FILE "index.html"
int main() {
#ifdef _WIN32
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
perror("WSAStartup failed");
exit(EXIT_FAILURE);
}
SetConsoleOutputCP(CP_UTF8);
#endif
int server_fd, new_socket;
struct sockaddr_in address;
int addrlen = sizeof(address);
char buffer[BUFFER_SIZE] = {0};
printf("Hello World!\n");
// 创建socket文件描述符
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
perror("socket failed");
exit(EXIT_FAILURE);
}
// 设置socket选项，允许地址重用
int opt = 1;
if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR,
(const char *)&opt, sizeof(opt))) {
perror("setsockopt");
exit(EXIT_FAILURE);
}
// 配置服务器地址结构
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(PORT);
// 绑定socket到指定地址和端口
if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
perror("bind failed");
exit(EXIT_FAILURE);
}
// 开始监听连接
if (listen(server_fd, 3) < 0) {
perror("listen");
exit(EXIT_FAILURE);
}
printf("HTTP服务器正在监听 %d 端口...\n", PORT);
while(1) {
if ((new_socket = accept(server_fd, (struct sockaddr *)&address,
&addrlen)) < 0) {
perror("accept");
exit(EXIT_FAILURE);
}
int valread = recv(new_socket, buffer, BUFFER_SIZE, 0);
printf("收到请求:\n%s\n", buffer);
FILE *html_file = fopen(HTML_FILE, "rb");
if (!html_file) {
const char *error_response =
"HTTP/1.1 404 Not Found\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"Connection: close\r\n"
"\r\n"
"<html><body><h1>404 - 文件未找到</h1></body></html>";
send(new_socket, error_response, strlen(error_response), 0);
closesocket(new_socket);
continue;
}
fseek(html_file, 0, SEEK_END);
long file_size = ftell(html_file);
fseek(html_file, 0, SEEK_SET);
char *html_content = (char *)malloc(file_size + 1);
if (!html_content) {
fclose(html_file);
const char *error_response =
"HTTP/1.1 500 Internal Server Error\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"Connection: close\r\n"
"\r\n"
"<html><body><h1>500 - 服务器错误</h1></body></html>";
send(new_socket, error_response, strlen(error_response), 0);
closesocket(new_socket);
continue;
}
fread(html_content, 1, file_size, html_file);
html_content[file_size] = '\0';
fclose(html_file);
char header[512];
sprintf(header,
"HTTP/1.1 200 OK\r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"Content-Length: %ld\r\n"
"Connection: close\r\n"
"\r\n", file_size);
send(new_socket, header, strlen(header), 0);
send(new_socket, html_content, file_size, 0);
free(html_content);
printf("响应已发送\n");
#ifdef _WIN32
closesocket(new_socket);
#else
close(new_socket);
#endif
}
#ifdef _WIN32
WSACleanup();
#endif
return 0;
}