first commit

app/main/api/internal/handler/query/downloadreportpdfhandler.go

@@ -0,0 +1,38 @@
+package query
+
+import (
+	"net/http"
+
+	"in-server/app/main/api/internal/logic/query"
+	"in-server/app/main/api/internal/svc"
+	"in-server/app/main/api/internal/types"
+	"in-server/common/result"
+	"in-server/pkg/lzkit/validator"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func DownloadReportPdfHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.DownloadReportPdfReq
+		if err := httpx.Parse(r, &req); err != nil {
+			result.ParamErrorResult(r, w, err)
+			return
+		}
+		if err := validator.Validate(req); err != nil {
+			result.ParamValidateErrorResult(r, w, err)
+			return
+		}
+		l := query.NewDownloadReportPdfLogic(r.Context(), svcCtx)
+		resp, err := l.DownloadReportPdf(&req)
+		if err != nil {
+			result.HttpResult(r, w, nil, err)
+			return
+		}
+
+		// 直接以 PDF 文件流返回
+		w.Header().Set("Content-Type", "application/pdf")
+		w.Header().Set("Content-Disposition", "attachment; filename=\""+resp.FileName+"\"")
+		_, _ = w.Write(resp.Content)
+	}
+}