wx.request({

url: env.BASE_API + url,

method: 'POST',

responseType: "text",

enableChunked: true,

data: {

...params

},

success: (res) => {

console.log('onSuccess', res)

onSuccess(res)

},

fail: (err) => {

console.log('onFail', err)

onFail(res)

},

});