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发表于 2018-10-10 09:37:42
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本帖最后由 wwhywhy 于 2018-10-10 09:57 编辑
////////// 1)文件如果是一行一条数据:
import os
//FILE_WITH_PATH = .....
if os.path.exists(FILE_WITH_PATH):
try:
f = open(FILE_WITH_PATH, encoding="utf-8", mode="a")
while True:
line = f.readline()
if not line:
break
print(line)
f.close()
except IOError, msg:
print '*** Cannot open', fullname, ':', msg
return 0
else:
print("文件:<", FILE_WITH_PATH, ">不存在。")
/////////// 2)如果文件就是一条数据:
import os
//FILE_WITH_PATH = .....
if os.path.exists(FILE_WITH_PATH):
try:
f = open(FILE_WITH_PATH, encoding="utf-8", mode="a")
while True:
block = f.read(1024)
if not block:
break
print(block)
f.close()
except IOError, msg:
print '*** Cannot open', fullname, ':', msg
return 0
else:
print("文件:<", FILE_WITH_PATH, ">不存在。") |
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