struts2弹出信息提示
在struts2 action中弹出Js脚本提示信息

public class StudentAction extends ActionSupport {       public String addStudent(){            HttpServletResponse response = ServletActionContext.getResponse();  response.setContentType("text/html;charset=UTF-8");           response.setCharacterEncoding("UTF-8");//防止弹出的信息出现乱码          PrintWriter out = null;try {out = response.getWriter();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}                  studentDAO=new StudentDAO();          flag=studentDAO.addStudent(stu);        if(flag){                        out.print("<script>alert('添加成功！')</script>");                 out.print("<script>window.location.href='stuaction.action'</script>");                 out.flush();                 out.close();                 return null;    }else{       return "error";    }    }}