06avalon - vm计算属性 ($computed)

//函数形式的只读计算属性
avalon.define({
    $id: 'test',
    firstName: '333',
    lastName: 'xxx',
    $computed: {
        //fullName依赖于firstName与lastName
        fullName: function(){
            return this.firstName+' '+this.lastName
        },
        //xxx只依赖于firstNaem
        xxx: function(){
            return this.firstName+'!!'
        }
    }
})

//对象形式的可读写计算属性
avalon.define({
    $id: 'test',
    firstName: '333',
    lastName: 'xxx',
    $computed: {
        //fullName依赖于firstName与lastName
        fullName: {
            get: function(){
                return this.firstName+' '+this.lastName
            },
            set: function(val){
                var arr = val.split(' ')
                this.firstName = arr[0]
                this.lastName = arr[1]
            }
        }
    }
})