1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
| #include "core/HttpServer.h"
#include <boost/json.hpp>
#include <iostream>
using namespace hical;
namespace json = boost::json;
int main()
{
HttpServer server(8080);
// ============ 中间件 ============
// 日志中间件:记录请求方法、路径和响应状态码
server.use([](HttpRequest& req, MiddlewareNext next)
-> Awaitable<HttpResponse>
{
auto start = std::chrono::steady_clock::now();
std::cout << httpMethodToString(req.method())
<< " " << req.path() << std::endl;
auto res = co_await next(req);
auto elapsed = std::chrono::duration_cast<std::chrono::microseconds>(
std::chrono::steady_clock::now() - start).count();
std::cout << " -> " << static_cast<int>(res.statusCode())
<< " (" << elapsed << "us)" << std::endl;
co_return res;
});
// 认证中间件(简化版)
server.use([](HttpRequest& req, MiddlewareNext next)
-> Awaitable<HttpResponse>
{
// 公开路由不需要认证
if (req.path() == "/" || req.path() == "/api/status")
{
co_return co_await next(req);
}
auto authHeader = req.header("Authorization");
if (authHeader.empty())
{
co_return HttpResponse::badRequest("Missing Authorization header");
}
co_return co_await next(req);
});
// ============ 路由 ============
// GET / — 首页
server.router().get("/",
[](const HttpRequest&) -> HttpResponse
{
return HttpResponse::ok("User Management API v1.0");
});
// GET /api/status — 状态查询
server.router().get("/api/status",
[](const HttpRequest&) -> HttpResponse
{
return HttpResponse::json({
{"status", "running"},
{"version", "0.2.0"},
{"framework", "hical"}
});
});
// GET /api/users — 用户列表
server.router().get("/api/users",
[](const HttpRequest& req) -> HttpResponse
{
// 查询参数示例
auto query = req.query();
json::array users;
users.push_back(json::object{
{"id", 1}, {"name", "Alice"}, {"email", "alice@example.com"}});
users.push_back(json::object{
{"id", 2}, {"name", "Bob"}, {"email", "bob@example.com"}});
return HttpResponse::json({{"users", users}, {"total", 2}});
});
// GET /users/{id} — 查询单个用户(路径参数)
server.router().get("/users/{id}",
[](const HttpRequest& req) -> HttpResponse
{
auto userId = req.param("id");
return HttpResponse::json({
{"id", userId},
{"name", "User " + userId},
{"email", userId + "@example.com"}
});
});
// POST /api/users — 创建用户(JSON 请求体)
server.router().post("/api/users",
[](const HttpRequest& req) -> HttpResponse
{
try
{
auto body = req.jsonBody();
auto& obj = body.as_object();
// 提取字段
auto name = std::string(obj.at("name").as_string());
auto email = std::string(obj.at("email").as_string());
return HttpResponse::json({
{"message", "User created"},
{"name", name},
{"email", email}
});
}
catch (const std::exception& e)
{
return HttpResponse::badRequest(
std::string("Invalid JSON: ") + e.what());
}
});
// PUT /users/{id} — 更新用户
server.router().put("/users/{id}",
[](const HttpRequest& req) -> HttpResponse
{
auto userId = req.param("id");
auto body = req.jsonBody();
return HttpResponse::json({
{"message", "User " + userId + " updated"},
{"data", body}
});
});
// DELETE /users/{id} — 删除用户
server.router().del("/users/{id}",
[](const HttpRequest& req) -> HttpResponse
{
auto userId = req.param("id");
return HttpResponse::json({
{"message", "User " + userId + " deleted"}
});
});
// ============ 启动 ============
std::cout << "hical User API Server listening on :8080" << std::endl;
server.start();
}
|