［已解决］swift中float转换为int：Cannot convert value of type Int to specified type Float

折腾：

<code>                let timeIntervalInSecFloat:Float = Float(updateTime.timeIntervalSince1970)
                let timeIntervalInMsFloat:Float = timeIntervalInSecFloat * 1000
                let timeIntervalInMsInt:Float = Int(timeIntervalInMsFloat)
</code>

结果出错：

ConversationViewController.swift:69:49: Cannot convert value of type ‘Int’ to specified type ‘Float’

swift float to int

Convert Float to Int in Swift – Stack Overflow

原来本来就是可以的，只是自己忘了把变量写成init：

<code>let timeIntervalInMsInt:Int = Int(timeIntervalInMsFloat)
</code>

即可。

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