issue content ajax preview

routers/preview.go

@@ -0,0 +1,17 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package routers
+
+import "github.com/gogits/gogs/modules/middleware"
+
+func Preview(ctx *middleware.Context) {
+	content := ctx.Query("content")
+	// todo : gfm render content
+	// content = Markdown(content)
+	ctx.Render.JSON(200, map[string]interface{}{
+		"ok":      true,
+		"content": "preview : " + content,
+	})
+}