[{"title":"( 2 个子文件 207KB ) 23种设计模式详细介绍与区别","children":[{"title":"设计模式.docx <span style='color:#111;'> 114.21KB </span>","children":null,"spread":false},{"title":"设计模式.vsdx <span style='color:#111;'> 109.00KB </span>","children":null,"spread":false}],"spread":true}]