使用zig语言制作简单博客网站（一）项目搭建

卢莹洁 · 前天 13:50

zig环境搭建

创建zigblog项目

桌面新建一个空文件夹zigblog，打开该文件夹右键打开cmd（没有的请自行cd到该目录），cmd执行命令zig init初始化项目，结果如下图

添加项目依赖

我们使用zig开源项目 httpz 写博客后端api，用vscode打开项目，我们把httpz依赖添加到项目依赖管理文件build.zig.zon中，添加后如下，httpz的url和hash我是从 jetzig 项目抄过来的（jetzig项目是一个全栈开发项目，它基于httpz）。

.{
.name = "zigblog",
.version = "0.0.1",
.dependencies = .{
.httpz = .{
.url = "https://github.com/karlseguin/http.zig/archive/fbca868592dc83ee3ee3cad414c62afa266f4866.tar.gz",
.hash = "122089946af5ba1cdfae3f515f0fa1c96327f42a462515fbcecc719fe94fab38d9b8",
}
},
.paths = .{
"build.zig",
"build.zig.zon",
"src",
// For example...
//"LICENSE",
//"README.md",
},
}

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const exe = b.addExecutable(.{
.name = "zigblog",
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
});
// 添加httpz模块
const httpz_module = b.dependency("httpz", .{ .target = target, .optimize = optimize }).module("httpz");
exe.root_module.addImport("httpz", httpz_module);
b.installArtifact(exe);

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const std = @import("std");
const httpz = @import("httpz");
pub fn main() !void {
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
const allocator = gpa.allocator();
var server = try httpz.Server().init(allocator, .{ .port = 5882 });
server.notFound(notFound);
server.errorHandler(errorHandler);
var router = server.router();
router.get("/api/user/:id", &getUser);
std.log.info("Listening on http://127.0.0.1:5882/", .{});
try server.listen();
}
fn getUser(req: *httpz.Request, res: *httpz.Response) !void {
// status code 200 is implicit.
// The json helper will automatically set the res.content_type = httpz.ContentType.JSON;
// Here we're passing an inferred anonymous structure, but you can pass anytype
// (so long as it can be serialized using std.json.stringify)
try res.json(.{ .id = req.param("id").?, .name = "Teg" }, .{});
}
fn notFound(_: *httpz.Request, res: *httpz.Response) !void {
res.status = 404;
// you can set the body directly to a []u8, but note that the memory
// must be valid beyond your handler. Use the res.arena if you need to allocate
// memory for the body.
res.body = "Not Found";
}
// note that the error handler return `void` and not `!void`
fn errorHandler(req: *httpz.Request, res: *httpz.Response, err: anyerror) void {
res.status = 500;
res.body = "Internal Server Error";
std.log.warn("httpz: unhandled exception for request: {s}\nErr: {}", .{ req.url.raw, err });
}

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之后我们在项目根目录下打开cmd执行命令 zig build run 进行依赖下载（从github下载，可能需要科学.上网）、编译、运行，如图，我们打开浏览器访问 http://127.0.0.1:5882/api/user/123456可查看到api访问成功了。

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