src/org/nutz/lang/Xmls.java
public static void eachChildren(Element ele, Each<Element> callback) {
        eachChildren(ele, null, callback);
    }
public static void eachChildren(Element ele, Each<Element> callback) {
        eachChildren(ele, null, callback);
    }
迭代 XML 元素内所有子元素

@param ele
XML 元素
@param callback
回调