sample set of reduce functions using on commutative test

[{"title":"（ 144 个子文件 66KB ） sample set of reduce functions using on commutative test","children":[{"title":"t131.txt <span style='color:#111;'> 990B </span>","children":null,"spread":false},{"title":"t47.txt <span style='color:#111;'> 296B </span>","children":null,"spread":false},{"title":"t94.txt <span style='color:#111;'> 661B </span>","children":null,"spread":false},{"title":"t122.txt <span style='color:#111;'> 1.21KB </span>","children":null,"spread":false},{"title":"t17.txt <span style='color:#111;'> 505B </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}]