pyflink 读取excel

import argparse
import logging
import sys

from pyflink.common import WatermarkStrategy, Encoder, Types
from pyflink.datastream import StreamExecutionEnvironment, RuntimeExecutionMode
from pyflink.datastream.connectors.file_system import FileSource, StreamFormat, FileSink, OutputFileConfig, RollingPolicy

env = StreamExecutionEnvironment.get_execution_environment()
env.set_runtime_mode(RuntimeExecutionMode.BATCH)
# write all the data to one file
env.set_parallelism(1)


ds = env.from_source(
    source=FileSource.for_record_stream_format(StreamFormat.text_line_format(),
                                               './test.csv')
                     .process_static_file_set().build(),
    watermark_strategy=WatermarkStrategy.for_monotonous_timestamps(),
    source_name="aaaa"
)
ds.print()
env.execute()