add example for api application

+appname = beeapi
+httpport = 8080
+runmode = dev
+autorender = false
+copyrequestbody = true

+package controllers
+
+import (
+	"encoding/json"
+	"github.com/astaxie/beego"
+	"github.com/astaxie/beego/example/beeapi/models"
+)
+
+type ResponseInfo struct {
+}
+
+type ObejctController struct {
+	beego.Controller
+}
+
+func (this *ObejctController) Post() {
+	var ob models.Object
+	json.Unmarshal(this.Ctx.RequestBody, &ob)
+	objectid := models.AddOne(ob)
+	this.Data["json"] = "{\"ObjectId\":\"" + objectid + "\"}"
+	this.ServeJson()
+}
+
+func (this *ObejctController) Get() {
+	objectId := this.Ctx.Params[":objectId"]
+	if objectId != "" {
+		ob, err := models.GetOne(objectId)
+		if err != nil {
+			this.Data["json"] = err
+		} else {
+			this.Data["json"] = ob
+		}
+	} else {
+		obs := models.GetAll()
+		this.Data["json"] = obs
+	}
+	this.ServeJson()
+}
+
+func (this *ObejctController) Put() {
+	objectId := this.Ctx.Params[":objectId"]
+	var ob models.Object
+	json.Unmarshal(this.Ctx.RequestBody, &ob)
+
+	err := models.Update(objectId, ob.Score)
+	if err != nil {
+		this.Data["json"] = err
+	} else {
+		this.Data["json"] = "update success!"
+	}
+	this.ServeJson()
+}
+
+func (this *ObejctController) Delete() {
+	objectId := this.Ctx.Params[":objectId"]
+	models.Delete(objectId)
+	this.Data["json"] = "delete success!"
+	this.ServeJson()
+}

+package main
+
+import (
+	"github.com/astaxie/beego"
+	"github.com/astaxie/beego/example/beeapi/controllers"
+)
+
+//		Objects
+
+//	URL					HTTP Verb				Functionality
+//	/object				POST					Creating Objects
+//	/object/<objectId>	GET						Retrieving Objects
+//	/object/<objectId>	PUT						Updating Objects
+//	/object				GET						Queries
+//	/object/<objectId>	DELETE					Deleting Objects
+
+func main() {
+	beego.RESTRouter("/object", &controllers.ObejctController{})
+	beego.Run()
+}

+package models
+
+import (
+	"errors"
+	"strconv"
+	"time"
+)
+
+var (
+	Objects map[string]*Object
+)
+
+type Object struct {
+	ObjectId   string
+	Score      int64
+	PlayerName string
+}
+
+func init() {
+	Objects = make(map[string]*Object)
+	Objects["hjkhsbnmn123"] = &Object{"hjkhsbnmn123", 100, "astaxie"}
+	Objects["mjjkxsxsaa23"] = &Object{"mjjkxsxsaa23", 101, "someone"}
+}
+
+func AddOne(object Object) (ObjectId string) {
+	object.ObjectId = "astaxie" + strconv.FormatInt(time.Now().UnixNano(), 10)
+	Objects[object.ObjectId] = &object
+	return object.ObjectId
+}
+
+func GetOne(ObjectId string) (object *Object, err error) {
+	if v, ok := Objects[ObjectId]; ok {
+		return v, nil
+	}
+	return nil, errors.New("ObjectId Not Exist")
+}
+
+func GetAll() map[string]*Object {
+	return Objects
+}
+
+func Update(ObjectId string, Score int64) (err error) {
+	if v, ok := Objects[ObjectId]; ok {
+		v.Score = Score
+		return nil
+	}
+	return errors.New("ObjectId Not Exist")
+}
+
+func Delete(ObjectId string) {
+	delete(Objects, ObjectId)
+}