在Python中,读取txt文件可以通过以下几种方法:
1. 使用`open()`函数和`read()`方法:
```python
with open('file.txt', 'r', encoding='utf-8') as file:
content = file.read()
print(content)
```
2. 使用`with`语句和`read()`方法:
```python
with open('file.txt', 'r', encoding='utf-8') as file:
content = file.read()
print(content)
```
3. 使用`with`语句和`readlines()`方法:
```python
with open('file.txt', 'r', encoding='utf-8') as file:
lines = file.readlines()
for line in lines:
print(line.strip())
```
4. 使用`with`语句和逐行读取:
```python
with open('file.txt', 'r', encoding='utf-8') as file:
for line in file:
print(line.strip())
```
请确保在打开文件时指定正确的文件路径和编码方式,如`encoding='utf-8'`。如果文件不存在或无法读取,程序将抛出异常。使用`with`语句可以确保文件在使用完毕后自动关闭,无需手动调用`close()`方法