Try to fix the xml things.

rest/dav_model.go

@@ -0,0 +1,33 @@
+package rest
+
+import (
+	"encoding/xml"
+)
+
+/**
+ *
+ * WebDav协议文档
+ * https://tools.ietf.org/html/rfc4918
+ * http://www.webdav.org/specs/rfc4918.html
+ *
+ */
+
+const (
+	//有多少层展示多少层
+	INFINITE_DEPTH = -1
+)
+
+// http://www.webdav.org/specs/rfc4918.html#ELEMENT_propfind
+//PROPFIND方法请求时POST BODY入参
+type Propfind struct {
+	XMLName xml.Name `xml:"D:propfind"`
+	XmlNS   string   `xml:"xmlns:D,attr"`
+
+	Allprop  *struct{}     `xml:"D:allprop"`
+	Propname *struct{}     `xml:"D:propname"`
+	Prop     PropfindProps `xml:"D:prop"`
+	Include  PropfindProps `xml:"D:include"`
+}
+
+// http://www.webdav.org/specs/rfc4918.html#ELEMENT_prop (for propfind)
+type PropfindProps []xml.Name