requests 的post和get的params

1. post
   http://cishan.chinanpo.gov.cn/biz/ma/csmh/a/csmhaDoSort.html?aaee0102_03=&field=aaex0131&sort=desc&flag=0

def charity_organization():
    """
    慈善中国-慈善组织查询
    http://cishan.chinanpo.gov.cn/biz/ma/csmh/a/csmhaindex.html
    :return: 慈善中国-慈善组织查询
    :rtype: pandas.DataFrame
    """
    page_num = _get_page_num_charity_organization()
    url = "http://cishan.chinanpo.gov.cn/biz/ma/csmh/a/csmhaDoSort.html"
    params = {
        "field": "aaex0131",
        "sort": "desc",
        "flag": "0",
    }
    outer_df = pd.DataFrame()
    for page in tqdm(range(1, page_num+1)):
    # for page in tqdm(range(1, 100)):
        # page = 1
        params["pageNo"] = str(page)

        r = requests.post(url, params=params)
        inner_df = pd.read_html(r.text)[0]
        outer_df = outer_df.append(inner_df, ignore_index=True)
    return outer_df