base.py 文件源码

def get_query_string(self, new_params=None, remove=None):
        if new_params is None:
            new_params = {}
        if remove is None:
            remove = []
        p = dict(list(self.request.GET.items())).copy()
        for r in remove:
            for k in list(p.keys()):
                if k.startswith(r):
                    del p[k]
        for k, v in list(new_params.items()):
            if v is None:
                if k in p:
                    del p[k]
            else:
                p[k] = v
        return '?%s' % urlencode(p)