:sparkles: 导出为长图 https://github.com/siyuan-note/siyuan/issues/2919

kernel/api/export.go

@@ -25,6 +25,7 @@ import (
 	"strings"
 
 	"github.com/88250/gulu"
+	"github.com/88250/lute/ast"
 	"github.com/gin-gonic/gin"
 	"github.com/siyuan-note/logging"
 	"github.com/siyuan-note/siyuan/kernel/model"
@@ -311,7 +312,6 @@ func exportAsFile(c *gin.Context) {
 		return
 	}
 
-	typ := form.Value["type"][0]
 	file := form.File["file"][0]
 	reader, err := file.Open()
 	if nil != err {
@@ -330,5 +330,27 @@ func exportAsFile(c *gin.Context) {
 		return
 	}
 
-	c.Data(http.StatusOK, typ, data)
+	ext := filepath.Ext(file.Filename)
+	name := "save-as-file-" + ast.NewNodeID() + ext
+	tmpDir := filepath.Join(util.TempDir, "export")
+	if err = os.MkdirAll(tmpDir, 0755); nil != err {
+		logging.LogErrorf("export as file failed: %s", err)
+		ret.Code = -1
+		ret.Msg = err.Error()
+		return
+	}
+
+	tmp := filepath.Join(tmpDir, name)
+	err = os.WriteFile(tmp, data, 0644)
+	if nil != err {
+		logging.LogErrorf("export as file failed: %s", err)
+		ret.Code = -1
+		ret.Msg = err.Error()
+		return
+	}
+
+	ret.Data = map[string]interface{}{
+		"name": name,
+		"file": path.Join("/export/", name),
+	}
 }