topk查询\.classpath
........\.project
........\1.txt
........\2.txt
........\clinet.class
........\clinet.java
........\import java.lang.reflect.Array;
........\KB.class
........\KB.java
........\mserver.class
........\mserver.java
........\netclinet.class
........\netclinet.java
........\num.class
........\num.java
........\text.umr
........\text.umr~
........\txt.1
topk查询