擅长:python、mysql、java
<p>我假设您要求使用拆分和联接将数字从字符串转换为int。这里有一种方法:</p>
<pre><code>numbers = "123,456,789"
numbers.split(",") # numbers is now a list -> ["123", "456", "789"]
"".join(numbers) # converts numbers back into a string -> "123456789"
print(int(numbers))
# >>> 123456789
</code></pre>