关键词搜索（字符串匹配）

[{"title":"（ 6 个子文件 20KB ） 关键词搜索（字符串匹配）","children":[{"title":"语义搜索简易版","children":[{"title":"read.txt <span style='color:#111;'> 465B </span>","children":null,"spread":false},{"title":"关键代码.txt <span style='color:#111;'> 3.79KB </span>","children":null,"spread":false},{"title":"Locked By KeyWords.exe <span style='color:#111;'> 11.00KB </span>","children":null,"spread":false},{"title":"WDApplication.exe <span style='color:#111;'> 13.99KB </span>","children":null,"spread":false},{"title":"ps.txt <span style='color:#111;'> 3.35KB </span>","children":null,"spread":false},{"title":"DATA.pdb <span style='color:#111;'> 29.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]