feat(bj_power_mes): 嵌入前端静态资源并配置SPA路由回退
实现将前端构建产物打包进二进制文件,同时配置兜底路由支持Vue Router的history模式,让8888端口可以同时提供API服务和前端页面访问
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@@ -4,9 +4,13 @@ import (
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"bufio"
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"context"
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"crypto/subtle"
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"embed"
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"flag"
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"fmt"
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"io/fs"
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"net/http"
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"os"
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"path"
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"strings"
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"bj_power_mes/common/logx"
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@@ -22,6 +26,12 @@ import (
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"github.com/zeromicro/go-zero/rest"
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)
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// 前端静态资源(Vue 构建产物:frontend/ npm run build 输出到 public/)。
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// 8888 一个端口同时提供管理后台页面与 API。
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//
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//go:embed all:public
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var webFS embed.FS
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var configFile = flag.String("f", "etc/bj_power_mes-api.yaml", "the config file")
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// promptPassword 从终端读取一行输入(不隐藏回显,用于运维终端操作)
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@@ -116,6 +126,30 @@ func runResetAll(c config.Config) {
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fmt.Println("reset-all: 已清空并重建全部表,写入基础数据(管理员 admin/123456)。")
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}
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// newStaticHandler 嵌入式静态文件:命中则直接返回;未命中的非 /api 路径
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// 回退到 index.html(SPA history 路由),由浏览器端 Vue Router 接管。
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func newStaticHandler(fsys embed.FS) http.Handler {
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sub, err := fs.Sub(fsys, "public")
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if err != nil {
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panic(fmt.Sprintf("嵌入静态目录不可用: %v", err))
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}
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fileServer := http.FileServer(http.FS(sub))
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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name := strings.TrimPrefix(path.Clean(r.URL.Path), "/")
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if name == "" {
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name = "index.html"
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}
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if f, openErr := sub.Open(name); openErr == nil {
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f.Close()
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fileServer.ServeHTTP(w, r)
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return
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}
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r2 := r.Clone(r.Context())
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r2.URL.Path = "/"
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fileServer.ServeHTTP(w, r2)
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})
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}
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func main() {
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flag.Parse()
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@@ -158,7 +192,19 @@ func main() {
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os.Exit(1)
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}
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server := rest.MustNewServer(c.RestConf)
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staticHandler := newStaticHandler(webFS)
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// 兜底路由:已注册的 /api/* 走正常匹配;未注册的非 /api 路径走嵌入式静态资源
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//(/api 下未注册的路径仍返回 404,不回退页面)
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notFound := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if strings.HasPrefix(r.URL.Path, "/api/") || r.URL.Path == "/api" {
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http.NotFound(w, r)
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return
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}
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staticHandler.ServeHTTP(w, r)
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})
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server := rest.MustNewServer(c.RestConf, rest.WithNotFoundHandler(notFound))
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defer server.Stop()
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ctx := svc.NewServiceContext(c)
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