在Tomcat中我們?cè)贗E地址欄中輸入的URL是一個(gè)目錄時(shí)，會(huì)

自動(dòng)將目錄下的文件給列舉出來(lái)。

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在conf/web.xml中修改 listings參數(shù)的值為true

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<servlet>
??????? <servlet-name>default</servlet-name>
??????? <servlet-class>
????????? org.apache.catalina.servlets.DefaultServlet
??????? </servlet-class>
??????? <init-param>
??????????? <param-name>debug</param-name>
??????????? <param-value>0</param-value>
??????? </init-param>
??????? <init-param>
??????????? <param-name>listings</param-name>
??????????? <param-value>true</param-value>
??????? </init-param>
??????? <load-on-startup>1</load-on-startup>
??? </servlet>