python 制作Shell下面的进度条
制作Shell下面的进度条来源地址:http://snipperize.todayclose.com/snippet/py/%E5%88%B6%E4%BD%9CShell%E4%B8%8B%E9%9D%A2%E7%9A%84%E8%BF%9B%E5%BA%A6%E6%9D%A1--33351/
[*]def _flushWid2info(self):
[*] self._sql = "select count(*) as total from test"
[*] total = self._mysql.findOne(self._sql)['total'] #找到总数
[*]
[*] self._mysql.freeResult()
[*] self._sql = "select * from test"
[*] self._mysql.query(self._sql)
[*] _tmp = self._mysql.findNext()
[*] i = 0.0
[*] while _tmp:
[*] sys.stdout.write("%4d%% %d" % ((i / total) * 100, i) + "\b" * (6 + len(str(int(i))))) #相除得出进度 \b 就是退格
[*] _tmp = self._mysql.findNext()
[*] i += 1
[*] _tmp = None
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