ThreadLocal ：
参考：https://blog.csdn.net/u010746364/article/details/50607236/
https://blog.csdn.net/yuanchangliang/article/details/107747545
>>Swing组件之间怎么传值？
标签：java,blog,匿名,csdn,details,https,net,全局变量 From： https://www.cnblogs.com/2008nmj/p/17554068.html