IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

咨询电话 : 010-59478634

全部问题

已收录问题

未收录问题

没有找到答案，去提问>>>

该问题已被官方收录

用@Autwired注解配置service,报错

1

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

使用spring的messageSource获得的message显示不正常

1

1

json

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

利用map来做模块管理的json数据传值

0

1

json

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

使用Spring MVC 通过idea配置tomcat显示JSP页面

0

1

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

spring mvc中，参数注解的区别

1

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

web页面int类型默认显示值为0

0

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

public class Student {
    private int id;
    private String name;
    private int qq;
    private String type;
    private String startDay;
    private String university;
    private int studyName;
    private String link;
    private String hope;
    private String tutorshipSenior;
    private String know;
    private long createAt;
    private long updateAt;

//根据姓名ID学号进行查找
    @RequestMapping(value = "findbyname", method = RequestMethod.GET)
    public String findByName(HttpServletRequest request, Model model) {
        model.addAttribute("student", new Student());
        return "findbyname";

    }

    @RequestMapping(value = "findbyname", method = RequestMethod.POST)
    public ModelAndView findByName(HttpServletRequest request, @ModelAttribute("student") Student student) throws Exception {
        ModelAndView modelAndView = new ModelAndView();
        student = studentService.findByName(student);
        if(student!=null){
        modelAndView.addObject("student", student);
        modelAndView.setViewName("findbynameresult");
        return modelAndView;
        }else {
            modelAndView.setViewName("crudFail");
            return modelAndView;
        }
    }

该问题已被官方收录

使用tomcat部署SSM时，表单提交乱码的情况

0

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

 //增加一个用户
    @RequestMapping(value = "/User", method = RequestMethod.POST)
    public ModelAndView addUser(User user) {
        System.out.println(user.toString());
        operation = userservice.addUser(user);
        ModelAndView mav = new ModelAndView();
        if (operation != 0) {
            mav.setViewName("addYes");
        } else {
            mav.setViewName("addNO");
        }
        return mav;
    }

    //删除一个用户
    @RequestMapping(value = "/User", method = RequestMethod.DELETE)
    public ModelAndView deleteUser(User user) {

        operation = userservice.cutUserById(user.getId());
        ModelAndView mav = new ModelAndView();
        if (operation != 0) {
            mav.setViewName("deleteYes");
        } else {
            mav.setViewName("deleteNo");
        }
        return mav;
    }

    //更新一个用户
    @RequestMapping(value = "/User", method = RequestMethod.PUT)
    public ModelAndView updataUser(User user) {
        operation = userservice.reviseUserById(user);
        ModelAndView mav = new ModelAndView();
        if (operation != 0) {
            mav.setViewName("updataYes");
        } else {
            mav.setViewName("updataNo");
        }
        return mav;
    }

    //查询一个用户
    @RequestMapping(value = "/User", method = RequestMethod.GET)
    public ModelAndView queryUser(User user) {
        user = userservice.queryUserById(user.getId());
        ModelAndView mav = new ModelAndView();
        if (user != null) {
            mav.setViewName("queryYes");
            mav.addObject("user", user);
        } else {
            mav.setViewName("queryNo");
        }
        return mav;
    }

该问题已被官方收录

pagehelper无法进行上一页等操作

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

war包在服务器上运行

1

1

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

分页查询下一页参数丢失

1

1

rest SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

//*
     * 根据姓名分页模糊查询
     * @param name
     * @return
     *//*
    @RequestMapping(value = "/name")
    public ModelAndView selectStudentByName(Page page,String name){
        log.info(name);

        ModelAndView modelAndView = new ModelAndView();
        Map<String,Object> map = new HashMap<String, Object>();
        if("".equals(name)){
            map.put("name","");
        }else{
            map.put("name", name);
        }
        int total = studentService.total();
        page.caculateLast(total);

        map.put("page",page);
        log.info(""+map);
        //根据姓名模糊查询
        List<Student> nameStudents = studentService.selectStudentByName(map);
        log.info("get student list start is "+page.getStart()+" count is "+page.getCount()+" get result size is " +nameStudents.size());
        log.info(""+nameStudents);

        //添加视图信息
        modelAndView.addObject("students",nameStudents);
        modelAndView.setViewName("listStudent");
        return modelAndView;
    }

去第页

Copyright ©2015 北京葡萄藤信息技术有限公司 All Rights Reserved | 京ICP备15035574号-1