servlet中获取spring管理的bean
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@WebServlet(name = "UserInfoServlet", value = "/UserInfoServlet", initParams = {@WebInitParam(name = "size", value = "10")}, loadOnStartup = 0)public class UserInfoServlet extends HttpServlet { private UserServiceI userService; @Override public void init() throws ServletException { super.init(); WebApplicationContext ac = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext()); userService = (UserServiceI) ac.getBean("userService"); } @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { resp.setContentType("text/html; charset=UTF-8"); resp.getWriter().println(userService); // 获取所有用户信息 List<UserInfo> list = userService.getAllName(); req.setAttribute("userList", list); req.getRequestDispatcher("/index.jsp").forward(req, resp); } @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { super.doPost(req, resp); }}
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