微信小程序开发（request请求后台获取不到data）

/**
***对微信小程序的request进行二次封装
***注:兼容java接口的form请求
 **/ 
/**
***create by jianchep 2016/11/26
 **/ 
var config = require(‘../config.js‘)
module.exports = function (obj) {
    if (!obj.url) {
        console.warn(‘请输入url接口‘)
        return
    }
    let url = config.javaHost + obj.url + ‘?format=json‘
    let data = obj.data || {}
    let formData = obj.formData || {}
    let formDataString = ‘‘
    for(var key in formData){
        formDataString += ‘&‘ + key + ‘=‘ + formData[key]
    }
    // console.log(‘formDataString--->>‘, formDataString)
    if (formDataString) {
        url += formDataString
    }
    console.log(url, 1231231231)
    let requestList = {
        url: url,
        data: data,
        header: {
            ‘Content-Type‘: ‘application/json‘
        },
        success: function(res){
            if (obj.success) {
                obj.success(res)
            } else {
                let str = ‘\"‘ + obj.url + ‘\"接口请求成功，请用success回调函数来得到返回值‘
                console.warn(str)
            }
        },
        fail: function(res) {
            if (obj.fail) {
                obj.fail(res)
            } else {
                let str = ‘\"‘ + obj.url + ‘\"接口请失败功，请用fail回调函数来得到返回值‘
                console.warn(str)
            }
        },
        complete: function (res) {
            if (obj.complete) {
                obj.complete(res)
            }
        }
    }
    if (obj.method) {
        requestList.method = obj.method.toUpperCase()
    }
    // console.log(‘api----->>‘, requestList)
    wx.request(requestList)
}