public static void main(String[] args) { // 定义所有的组合对象 Composite root = new Composite("服装"); Composite c1 = new Composite("男装"); Composite c2 = new Composite("女装"); // 定义所有的叶子对象 Leaf leaf1 = new Leaf("衬衣"); Leaf leaf2 = new Leaf("夹克"); Leaf leaf3 = new Leaf("裙子"); Leaf leaf4 = new Leaf("套装"); // 按照树的结构来组合组合对象和叶子对象 root.addComposite(c1); root.addComposite(c2); c1.addLeaf(leaf1); c1.addLeaf(leaf2); c2.addLeaf(leaf3); c2.addLeaf(leaf4); // 调用根对象的输出功能来输出整个树 root.printStruct(""); }