练习读取StingIO和BytesIO

Author: SergioJune

test29.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+'练习读取StingIO和BytesIO'
+
+__author__ = 'sergiojune'
+from io import StringIO, BytesIO
+
+# StingIO和BytesIO 和在内存中读取数据，不是在文件中读取数据
+s = StringIO('hello\nhi\ngood!\nheadsome boy')  # 创建
+# 进行读取,与文件读取差不多
+for x in s.readlines():
+    print(x)
+# 也可以这样创建
+s = StringIO()
+s.write('hello')
+s.write(' ')
+s.write('world')
+print(s.getvalue())
+
+
+# 这时BytesIO的练习,bytesIO是写入字节码，而SrtingIO是写入str
+b = BytesIO('中文'.encode('utf-8'))
+# print(b.getvalue())
+print(b.read())