Vue.js 动态为img的src赋值方法

{
 "code": "200",
 "data": {
  "SumAmount": 200,
  "List": [{
   "amount": 100,
   "sex": "male",
   "fee": 1,
   "id": 98,
   "status": 2,
   "time": "2015-08-11"
  }, {
   "amount": 100,
   "sex": "female",
   "fee": 0,
   "id": 8,
   "status": 2,
   "time": "2015-06-12"
  }]
 },
 "msg": "suess"
}

<img v-attr="src: sex=='male'?'images/male.png':'images/female.png'">
<img v-attr="src: sex | isM">

filters: {
   isM: function (val) {
     return val == 'male' ? 'images/male.png' : 'images/female.pn'
   }
  }

<span class={{sex}}></span>