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python类型强制转换long to int的代码

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Release： 2016-06-16 08:46:49
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python2.4版本以后，如果int的值超出范围不会溢出，而是内部转换为long，在网上没有找到从long型强制转换成int的代码，这里所说的int取值范围是和java里一致，即用四个字节表示。
自己写了一个函数，勉强可以用，供大家参考。

复制代码 代码如下:

import sys
def LongToInt(value):
    assert isinstance(value, (int, long))
    return int(value & sys.maxint)

经过测试，在32位和64位上运算结果一致。

Related labels：
int long cast
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