解决跨域HttpResponseJsonCORS, HttpResponseCORS 返回字典数据

Posted 2021-02-10 Apollo

#!/usr/bin/python
# -*- coding: UTF-8 -*-
import json
from django.http import HttpResponse

def HttpResponseJsonCORS(request,s):
    response = HttpResponse(s,content_type="application/json")
    try:
        origin = request.META['HTTP_ORIGIN']
    except:
        origin = 'http://127.0.0.1'

    if origin.find("192.168") >0 :
        pass
    elif origin.find("127.0.0.1") >0 :
        pass
    # else:
    #     origin = front_url
    print origin
    response["Access-Control-Allow-Origin"] = "%s"%(origin)
    response["Access-Control-Allow-Credentials"] = "true"
    response["Access-Control-Allow-Methods"] = "POST, GET, OPTIONS"
    response["Access-Control-Max-Age"] = "1000"
    response["Access-Control-Allow-Headers"] = "*"
    return response


def HttpResponseCORS(request, s):
    response = HttpResponse(s)
    try:
        origin = request.META['HTTP_ORIGIN']
    except:
        origin = 'http://127.0.0.1'
    if origin.find("192.168") > 0:
        pass
    elif origin.find("127.0.0.1") > 0:
        pass
    # else:
    #     origin = front_url

    # sql = "insert into sql_log (`sql`) values ('%s')"%(origin)
    # print sql
    # db.executesql(sql)

    response["Access-Control-Allow-Origin"] = "%s" % (origin)
    response["Access-Control-Allow-Credentials"] = "true"
    response["Access-Control-Allow-Methods"] = "POST, GET, OPTIONS"
    response["Access-Control-Max-Age"] = "1000"
    response["Access-Control-Allow-Headers"] = "*"
    return response


def index(request):
    # 原始数据
    rows = (('apollo', 'male', '164.jpeg'), ('apollo', 'male', ''))
    # 表头
    names = 'username gender pic'.split()
    # URL公共部分
    fs_url = 'http://www.baidu.com/'

    # 新数据列表
    L = []
    for e in rows:
        L1 = list(e)
        pic = e[2]
        if pic == '':
            L1[2] = "%suser_pic/default.jpg" % (fs_url)
        else:
            L1[2] = "%suser_pic/small_%s" % (fs_url, pic)
        L.append(L1)
    print L
    # 用zip组合列表套字典
    """
    [{'username': 'apollo', 'gender': 'male', 'pic': 'http://www.baidu.com/user_pic/small_164.jpeg'}, 
    {'username': 'apollo', 'gender': 'male', 'pic': 'http://www.baidu.com/user_pic/default.jpg'}]
    """
    data = [dict(zip(names, d)) for d in L]
    print data
    # 对上面结果Json序列化
    """
    [{"username": "apollo", "gender": "male", "pic": "http://www.baidu.com/user_pic/small_164.jpeg"}, 
     {"username": "apollo", "gender": "male", "pic": "http://www.baidu.com/user_pic/default.jpg"}]
     """
    info = json.dumps(data, ensure_ascii=False)
    print info
    # 组合返回结果,返给前端
    """
    response = {
            "errcode": 0,
            "errmsg": "获取用户列表成功",
            "readLog":[{"username": "apollo", "gender": "male", "pic": "http://www.baidu.com/user_pic/small_164.jpeg"},
                       {"username": "apollo", "gender": "male", "pic": "http://www.baidu.com/user_pic/default.jpg"}]
            }
    """
    s = """
        {
        "errcode": 0,
        "errmsg": "获取用户列表成功",
        "readLog":%s
        }
        """ % (info)

    print s
    return HttpResponseJsonCORS(request,s)