把Post 改为默认Form 需要不默认则调用参数TypeContentEmpty

base.go

@@ -15,7 +15,6 @@ func buildBodyRequest(ver, rawurl string, body *Body) *http.Request {
 	if body.IOBody == nil {
 		req, err = http.NewRequest(ver, rawurl, nil)
 	} else {
-		contentType = TypeURLENCODED
 		var bodybuf *bytes.Buffer
 		switch body.IOBody.(type) {
 		case []byte:
@@ -33,8 +32,18 @@ func buildBodyRequest(ver, rawurl string, body *Body) *http.Request {
 	}
 
 	if body.ContentType != "" {
+		if body.ContentType == TypeContentEmpty {
+			contentType = ""
+		} else {
 			contentType = body.ContentType
 		}
+	} else {
+		if contentType == "" {
+			if ver == "POST" || ver == "PUT" || ver == "Patch" {
+				contentType = TypeURLENCODED
+			}
+		}
+	}
 
 	if contentType != "" {
 		req.Header.Set(HeaderKeyContentType, contentType)

session.go

@@ -50,6 +50,8 @@ const (
 	TypeURLENCODED = "application/x-www-form-urlencoded"
 	// TypeForm PostForm类型
 	TypeForm = TypeURLENCODED
+	// TypeContentEmpty 没有Form的类型 Content
+	TypeContentEmpty = "ContentEmpty"
 	// TypeFormData 类型
 	TypeFormData = "multipart/form-data"
 	// HeaderKeyHost Host