迁移 Flutter 端与训练脚本,模型/训练产物移出 git(遵循纯代码约定)
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package common
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import (
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"github.com/gogf/gf/v2/net/ghttp"
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)
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// SpaFallback 单页应用 history 路由回退中间件:prefix 路径下请求对应的静态文件不存在
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// (即前端路由,如 /admin/orders)时回退 index.html;真实静态文件交给后续静态服务处理。
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// root 为前端构建产物目录,prefix 为托管路径前缀(如 "/admin")。
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func SpaFallback(root, prefix string) ghttp.HandlerFunc {
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root = filepath.Clean(root)
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index := filepath.Join(root, "index.html")
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return func(r *ghttp.Request) {
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path := r.URL.Path
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if r.Method == http.MethodGet && (path == prefix || strings.HasPrefix(path, prefix+"/")) {
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rel := strings.TrimPrefix(path, prefix)
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candidate := filepath.Clean(filepath.Join(root, rel))
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if !strings.HasPrefix(candidate, root) {
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r.Middleware.Next()
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return
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}
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if _, err := os.Stat(candidate); err != nil {
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r.Response.ServeFile(index)
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return
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}
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}
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r.Middleware.Next()
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}
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}
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