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@WebServlet("/someservlet/*")
public class SomeServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
List<String> list = new ArrayList<>();
list.add("item1");
list.add("item2");
list.add("item3");
String json = new Gson().toJson(list);
response.setContentType("application/json");
response.setCharacterEncoding("UTF-8");
response.getWriter().write(json);
}
}
servlet注解需要servlet版本3.x+,Gson是一个google json框架
B:
https://code.csdn.net/xiaofanku/doc/tree/master/src/main/java/com/t3news/doc/servlet/ChapterFormServlet.java