#coding=utf-8
import requests

class RequestUtil:
    """
    请求工具封装类
    """
    def __init__(self):
        pass


    def request(self,url,method,params=None,contentType=None,headers=None):
        try:
            if method=="get":
                result=requests.get(url=url,params=params,headers=headers).json()
                return result
            elif method=="post":
                if contentType=="application/json":
                    result=requests.post(url=url,json=params,headers=headers).json()   #Response响应结果类可以调用json()方法转成字典格式
                else:
                    result=requests.post(url=url,data=params,headers=headers).json()   #转成dict字典，后面才可以执行result["key"]
                return result
            else:
                print("method is not alowd")

        except Exception as e:
            print("请求异常：{0}".format(e))


if __name__ == '__main__':
    req=RequestUtil()
    url="https://api.xdclass.net/pub/api/v1/web/all_category"
    result=req.request(url,"get")
    print(result)   #结果请求成功


    req=RequestUtil()
    url="https://api.xdclass.net/pub/api/v1/web/web_login"
    data={"phone":"13045890834","pwd":"hdc@328216"}
    result=req.request(url,"post",params=data,contentType="application/x-www-form-urlencoded")
    print(result)   #结果请求成功