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【DM版本】:–03134283890-20220525-161267-10045 Pack7
【操作系统】：
【CPU】:
【问题描述】*：

在使用dmPython需要把包含大字段的表导出形成Excel，目前表含有text类型，异常抛出如下：

Traceback (most recent call last):
  File "/opt/python_code/code_demo/dm_cluster.py", line 131, in <module>
    read_mysql_to_xlsx(sql, 'log_commit')
  File "/opt/python_code/code_demo/dm_cluster.py", line 121, in read_mysql_to_xlsx
    ws1.cell(row=i, column=j + 1, value=jb_date_list[i - 2][j])
  File "/opt/anaconda3/lib/python3.7/site-packages/openpyxl/worksheet/worksheet.py", line 241, in cell
    cell.value = value
  File "/opt/anaconda3/lib/python3.7/site-packages/openpyxl/cell/cell.py", line 252, in value
    self._bind_value(value)
  File "/opt/anaconda3/lib/python3.7/site-packages/openpyxl/cell/cell.py", line 218, in _bind_value
    raise ValueError("Cannot convert {0!r} to Excel".format(value))
ValueError: Cannot convert <dmPython.LOB object at 0x7f7d46a301d0> to Excel