for (AppServerInfo appServerInfo : serverInfoList) {
String envIp = appServerInfo.getEnvIp();
if (serverMap.keySet().contains(envIp)) {
serverMap.get(envIp).add(appServerInfo);
}else {
List<AppServerInfo> tempServerList = new ArrayList<>();
tempServerList.add(appServerInfo);
serverMap.put(envIp, tempServerList);
}
}
遍历list集合按照其中一个属性分类放入Map中
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转载自blog.csdn.net/sayoko06/article/details/81099632
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