JSON, XML and JSONP

Beego is also designed for the creation of API applications. When we build an API application, we often need to respond with JSON or XML. Beego provides a simple approach:

• Respond with JSON data:

  type mystruct struct {
    FieldOne string `json:"field_one"`
  }
  
  
  func (this *AddController) Get() {
      mystruct := { ... }
      this.Data["json"] = &mystruct
      this.ServeJSON()
  }
  

  ServeJson will set content-type to application/json and JSONify the data.

• Respond with XML data:

  func (this *AddController) Get() {
      mystruct := { ... }
      this.Data["xml"]=&mystruct
      this.ServeXML()
  }
  

  ServeXml will set content-type to application/xml and convert the data into XML.

• Respond with jsonp

  func (this *AddController) Get() {
      mystruct := { ... }
      this.Data["jsonp"] = &mystruct
      this.ServeJSONP()
  }
  

  ServeJsonp will set content-type to application/javascript , JSONify the data and respond to jsonp based on the request parameter callback.

In version 1.6 names of methods were changed, it is ServeJSON(), ServeXML(), ServeJSONP() from now on.