function getRequest(url, params) {
 return new Promise((resolve, reject) => {
  Vue.http.get(
   url,
   {
    params: params
   },
   {emulateJSON: true}
  )
  .then((res) => {
   resolve(res);
  })
  .catch((res) => {
   reject(res);
  });
 });
}

function postRequest(url, params) {
 return new Promise((resolve, reject) => {
  Vue.http.post(
   url,
   {
    params
   },
   {emulateJSON: true}
  )
  .then((res) => {
   resolve(res.body);
  })
  .catch((res) => {
   reject(res.body);
  });
 });
}

var params = new Object(); //创建params对象
var params.id = id; //传递参数
var url = url; //url地址
postRequest(url, params)
.then((message) => {
 //这里处理成功回调
})
.catch((message) => {
 //这里处理失败回调
});