flask_restful.abort = api_abort
def api_abort( httpcode=400, errcode=None, message=None, key=""):
    res = BaseResponse()
    res.errcode = errcode or 4011
    if message:
        res.errmsg = message
    else:
        res.errmsg = key + codetype.get(res.errcode)
    res.dict.pop('data')
    if httpcode == 200:
        print(123456, res.dict)
        return jsonify(res.dict), httpcode
    return abort( httpcode, **res.dict)

@app.after_request
    def after_request(response):
        # 允许跨域
        response.headers.add('Access-Control-Allow-Origin', '*')
        if request.method == 'OPTIONS':
            response.headers['Access-Control-Allow-Methods'] = 'POST, DELETE, PUT, GET'
            headers = request.headers.get('Access-Control-Request-Headers')
            if headers:
                response.headers['Access-Control-Allow-Headers'] = headers
        return response

当 return abort( httpcode, **res.dict) 状态码 400 提示跨域