[{"title":"( 673 个子文件 9.25MB ) 胡广书 数字信号处理","children":[{"title":"000544.pdg <span style='color:#111;'> 18.60KB </span>","children":null,"spread":false},{"title":"000637.pdg <span style='color:#111;'> 11.69KB </span>","children":null,"spread":false},{"title":"000256.pdg <span style='color:#111;'> 11.49KB </span>","children":null,"spread":false},{"title":"000420.pdg <span style='color:#111;'> 9.54KB </span>","children":null,"spread":false},{"title":"000597.pdg <span style='color:#111;'> 14.17KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多,未全部展示</span>","children":null,"spread":false}],"spread":true}]