//分页查询
    @RequestMapping(params="method=prefindByPage")
    public ModelAndView prefindByPage(Student stu, HttpServletRequest request, HttpServletResponse response){
        System.out.println(stu.getSt_name());
        Map<String,Object> mapValue = new HashMap<String,Object>();
        mapValue.put("st_name", stu.getSt_name());
        mapValue.put("st_tel",stu.getSt_tel());
        mapValue.put("invite", stu.getInvite());
        mapValue.put("st_QQ", stu.getSt_QQ());
        mapValue.put("st_wechat", stu.getSt_wechat());
        mapValue.put("St_purpose", stu.getSt_purpose());
        String sTime = request.getParameter("consultTimeStart");
        mapValue.put("consultTimeStart", sTime);
        String eTime = request.getParameter("consultTimeEnd");
        mapValue.put("consultTimeEnd", eTime);
        List rows = this.getStudentService().findByPage("student.prefindByPage", mapValue);
        
        int totalRows = rows.size();//查询总记录数（8个条件）
        
        PageBean pageBean = PagerHelp.getPager(request, totalRows);
        
        Map<String,Object> map = new HashMap<String,Object>();
        map.put("pageSize", pageBean.getPageSize());
        map.put("currentPage", pageBean.getCurrentPage());
        
        map.put("st_name", stu.getSt_name());
        map.put("st_tel",stu.getSt_tel());
        map.put("invite", stu.getInvite());
        map.put("st_QQ", stu.getSt_QQ());
        map.put("st_wechat", stu.getSt_wechat());
        map.put("St_purpose", stu.getSt_purpose());
        String startTime = request.getParameter("consultTimeStart");
        map.put("consultTimeStart", startTime);
        String endTime = request.getParameter("consultTimeEnd");
        map.put("consultTimeEnd", endTime);
        
        List list = this.getStudentService().findByPage("student.findByPage", map);
        request.setAttribute("stuList",list);
        request.setAttribute("pageBean",pageBean);
        request.setAttribute("stu",stu);
        request.setAttribute("purpose", stu.getSt_purpose());
        request.setAttribute("consultTimeStart",startTime);
        request.setAttribute("consultTimeEnd",endTime);
        return new ModelAndView("studentInfo/consult_studentInfo_visit");
    }
   
    @RequestMapping(params="method=findByPage")
    public ModelAndView findByPage(Student stu, HttpServletRequest request, HttpServletResponse response) throws Exception{
        System.out.println(stu.getSt_name());
        Map<String,Object> mapValue = new HashMap<String,Object>();
        String zd = request.getParameter("st_name");
        zd =  new String(zd.getBytes("ISO-8859-1"),"UTF-8");
        stu.setSt_name(zd);
        mapValue.put("st_name",stu.getSt_name());
        mapValue.put("st_tel",stu.getSt_tel());
        String zd1 = request.getParameter("invite");
        zd1 =  new String(zd1.getBytes("ISO-8859-1"),"UTF-8");
        stu.setInvite(zd1);
        mapValue.put("invite", stu.getInvite());
        mapValue.put("st_QQ", stu.getSt_QQ());
        String zd2 = request.getParameter("st_wechat");
        zd2 =  new String(zd2.getBytes("ISO-8859-1"),"UTF-8");
        mapValue.put("st_wechat", stu.getSt_wechat());
        String zd3 = request.getParameter("St_purpose");
        zd3=  new String(zd3.getBytes("ISO-8859-1"),"UTF-8");
        stu.setSt_purpose(zd3);
        mapValue.put("St_purpose", stu.getSt_purpose());
        String sTime = request.getParameter("consultTimeStart");
        mapValue.put("consultTimeStart", sTime);
        String eTime = request.getParameter("consultTimeEnd");
        mapValue.put("consultTimeEnd", eTime);
        List rows = this.getStudentService().findByPage("student.prefindByPage", mapValue);
        
        int totalRows = rows.size();//查询总记录数（8个条件）
        PageBean pageBean = PagerHelp.getPager(request, totalRows);
        Map<String,Object> map = new HashMap<String,Object>();
        map.put("pageSize", pageBean.getPageSize());
        map.put("currentPage", pageBean.getCurrentPage());
        
        map.put("st_name", stu.getSt_name());
        map.put("st_tel",stu.getSt_tel());
        map.put("invite", stu.getInvite());
        map.put("st_QQ", stu.getSt_QQ());
        map.put("st_wechat", stu.getSt_wechat());
        map.put("St_purpose", stu.getSt_purpose());
        String startTime = request.getParameter("consultTimeStart");
        map.put("consultTimeStart", startTime);
        String endTime = request.getParameter("consultTimeEnd");
        map.put("consultTimeEnd", endTime);
        
        List list = this.getStudentService().findByPage("student.findByPage", map);
        request.setAttribute("stuList",list);
        request.setAttribute("pageBean",pageBean);
        request.setAttribute("ConsultStudent",stu);
        request.setAttribute("purpose", stu.getSt_purpose());
        request.setAttribute("consultTimeStart",startTime);
        request.setAttribute("consultTimeEnd",endTime);
        return new ModelAndView("studentInfo/consult_studentInfo_visit");
    }
这是一个分页时用到的，点击查询调用第一个方法，点击翻页调用第二个方法，但是为何第一个方法里面传递的对象就是正常值，而第二个方法传递的值却需要转换，否则传到后台就变成乱码了，有点想不通