遇到的问题---python---pandas新建空的dataframe报错dataframe type object ‘object‘ has no attribute ‘dtype‘

墨蓝 2022-10-09 12:21 81阅读 0赞

情况

处理一些数据，需要新建一个dataframe，后续再新增数据进去，使用代码如下：

  1. df=pd.DataFrame(columns=['code', 'name'])
  2.     for row in results:
  3.         i= i+1
  4.         print(i)
  5.         print("总数%s, 当前%s 编码%s" % (str(cursor.rowcount), str(i), row[0]))
  6.         codeValue = row[0]
  7.         nameValue = row[1]
  8.         temp=[{'code':codeValue,'name':nameValue}]
  9.         df=df.append(temp)

报错AttributeError: type object ‘object’ has no attribute ‘dtype’如下：

  1. Traceback (most recent call last):
  2.  File "/Users/joe/workspace/stock/tianyan_py/tianyan_py/__init__.py", line 72, in <module>
  3.    init()
  4.  File "/Users/joe/workspace/stock/tianyan_py/tianyan_py/__init__.py", line 32, in init
  5.    get_today_by_xueqiu()
  6.  File "/Users/joe/workspace/stock/tianyan_py/tianyan_py/main.py", line 754, in get_today_by_xueqiu
  7.    df=pd.DataFrame(colu

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