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两个都是 Key,再也不用快照版了!!!!
public Header addAll(Map<String, String> map) {
if (null != map) {
for (Map.Entry<String, String> en : map.entrySet()) {
if (en.getValue() != null) // 如果值不是String,就立马报错咯
this.items.put(en.getKey(), en.getKey());
}
}
return this;
}