for(String key : mapConnectToOracle.keySet()) {
ConnToOracle.closeConn(mapConnectToOracle.get(key));
//ConnToOracle conn = (ConnToOracle) mapConnectToOracle.get(key);
}
学习播客:
https://blog.youkuaiyun.com/weixin_39974223/article/details/114113189
https://blog.youkuaiyun.com/gm371200587/article/details/82108372
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