1.try…except…else
try: fn = open("aa.txt","r") fn.write("这是一个测试文件") except Exception as e: print "错误提示",e.message else: print "写入内容成功" fn.close()
2.try…finally
try: fn = open("aa.txt","r") fn.write("这是一个测试文件") except Exception as e: print "错误提示",e.message finally: print "我都会执行" fn.close()