[已解决]为什么老是说我字符串阅读不了

1378805302

def sb(s1,n):
    f=open(s1)
    for i in range(n):
        print(s1.readline())
    s1.close()


s1=input('you want to open the file is :(please add txt and so on）')
n=int(input('input you want to show the line front:'))
sb(s1,n)



you want to open the file is :(please add txt and so on）C:/Users/ASUS/Desktop/sb3.txt
input you want to show the line front:2
Traceback (most recent call last):
  File "C:\Users\ASUS\Desktop\sb.py", line 10, in <module>
    sb(s1,n)
  File "C:\Users\ASUS\Desktop\sb.py", line 4, in sb
    print(s1.readline())
AttributeError: 'str' object has no attribute 'readline'
>>>

最佳答案

月排行榜 / 总排行榜

永恒的蓝色梦想

2019-8-1 16:05:17

1. def sb(s1,n):
   
2.      f=open(s1)
   
3.      for i in range(n):
   
4.          print(f.readline())
   
5.      f.close()

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跳转到最佳答案楼层

zltzlt

1. def sb(s1,n):
   
2.     f=open(s1)
   
3.     for i in range(n):
   
4.         print(f.readline())
   
5.     f.close()

复制代码

jackz007

把这两句：
        print(s1.readline())
. . . . . .
    s1.close()

改成这样：
        print(f.readline())
. . . . . .
    f.close()

永恒的蓝色梦想

1. def sb(s1,n):
   
2.      f=open(s1)
   
3.      for i in range(n):
   
4.          print(f.readline())
   
5.      f.close()

复制代码