java.io.*
; import java.util.ArrayList; import java.util.Arrays; import java.util.List; public classHttpRequest
extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { //classname.txt中存放待加载的类名,这个也可以放在数据库中测试,每次查询出来。只是懒得写jdbc了。BufferedReader bufferedReader =
newBufferedReader(
newFileReader("classname.txt文件相对路径"
)); String className=
null; ListArrayList<>
(); //文件中每行一个类名,按行读取加载,然后将类名放入list待网页显示。 while((className = bufferedReader.readLine()) !=
null) { Class c=
Class.forName(className); Object object=
c.newInstance(); list.add(className); } PrintWriter printWriter=
response.getWriter(); printWriter.println("
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