对于SQLite来说，目前查看还是比较麻烦，所以就像把SQLite中的数据直接转成Excel中能查看的数据，这样也好在Excel中做进一步分数据处理或分析，如上篇文章中介绍的IP抓取的IP数据。从网上找到了一个将SQLite转成CVS的方法，贴在博客里，供需要的朋友使用：

import sqlite3
import csv, codecs, cStringIO
class UnicodeWriter:
    """
    A CSV writer which will write rows to CSV file "f",
    which is encoded in the given encoding.
    """

    def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
        # Redirect output to a queue
        self.queue = cStringIO.StringIO()
        self.writer = csv.writer(self.queue, dialect=dialect, **kwds)
        self.stream = f
        self.encoder = codecs.getincrementalencoder(encoding)()

    def writerow(self, row):
        self.writer.writerow([unicode(s).encode("utf-8") for s in row])
        # Fetch UTF-8 output from the queue ...
        data = self.queue.getvalue()
        data = data.decode("utf-8")
        # ... and reencode it into the target encoding
        data = self.encoder.encode(data)
        # write to the target stream
        self.stream.write(data)
        # empty queue
        self.queue.truncate(0)

    def writerows(self, rows):
        for row in rows:
            self.writerow(row)

conn = sqlite3.connect(\'ipaddress.sqlite3.db\')
c = conn.cursor()
c.execute(\'select * from ipdata\')
writer = UnicodeWriter(open("export_data.csv", "wb"))
writer.writerows(c)

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