mirror of
https://gitee.com/dromara/mayfly-go
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22 lines
374 B
Go
22 lines
374 B
Go
package utils
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import "net"
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// GetAvailablePort 获取可用端口
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func GetAvailablePort() (int, error) {
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addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
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if err != nil {
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return 0, err
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}
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l, err := net.ListenTCP("tcp", addr)
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if err != nil {
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return 0, err
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}
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defer func(l *net.TCPListener) {
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_ = l.Close()
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}(l)
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return l.Addr().(*net.TCPAddr).Port, nil
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}
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