Copyright (C) menxindiaolong, FlyTour Framework Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0（http://www.amjmh.com/v/）
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原文：https://www.cnblogs.com/liyanyan665/p/11369972.html