Added RequestCtx.WriteString

http.go

@@ -201,6 +201,12 @@ func (resp *Response) AppendBody(p []byte) {
 	resp.body = append(resp.body, p...)
 }
 
+// AppendBodyString appends s to response body.
+func (resp *Response) AppendBodyString(s string) {
+	resp.closeBodyStream()
+	resp.body = append(resp.body, s...)
+}
+
 // SetBody sets response body.
 func (resp *Response) SetBody(body []byte) {
 	resp.closeBodyStream()
@@ -229,6 +235,11 @@ func (req *Request) AppendBody(p []byte) {
 	req.body = append(req.body, p...)
 }
 
+// AppendBodyString appends s to request body.
+func (req *Request) AppendBodyString(s string) {
+	req.body = append(req.body, s...)
+}
+
 // SetBody sets request body.
 func (req *Request) SetBody(body []byte) {
 	req.body = append(req.body[:0], body...)

http_test.go

@@ -9,6 +9,17 @@ import (
 	"testing"
 )
 
+func TestRequestCtxWriteString(t *testing.T) {
+	var ctx RequestCtx
+	ctx.WriteString("foo")
+	ctx.WriteString("bar")
+
+	s := ctx.Response.Body()
+	if string(s) != "foobar" {
+		t.Fatalf("unexpected response body %q. Expecting %q", s, "foobar")
+	}
+}
+
 func TestRequestMultipartForm(t *testing.T) {
 	var w bytes.Buffer
 	mw := multipart.NewWriter(&w)

server.go

@@ -730,6 +730,12 @@ func (ctx *RequestCtx) Write(p []byte) (int, error) {
 	return len(p), nil
 }
 
+// WriteString appends s to response body.
+func (ctx *RequestCtx) WriteString(s string) (int, error) {
+	ctx.Response.AppendBodyString(s)
+	return len(s), nil
+}
+
 // PostBody returns POST request body.
 //
 // The returned value is valid until RequestHandler return.