随风暗影 2019-04-21 21:41 采纳率: 0%
浏览 1261

org.springframework.beans.factory.UnsatisfiedDependencyException

ssm+maven入门：
头一次用ssm框架，还使用了maven，还用了mybatis-Generator生成bean、mapper等相关文件，写了一些代码后部署在tomcat上，然后tomcat异常：
异常为：

四月 21, 2019 9:32:37 下午 org.apache.catalina.core.StandardContext listenerStart
严重: Exception sending context initialized event to listener instance of class [org.springframework.web.context.ContextLoaderListener]
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userDaoImpl': Unsatisfied dependency expressed through field 'userExample'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.xinkai.bean.UserExample' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596)
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1411)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:849)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)
    at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:400)
    at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:291)
    at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4643)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5105)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1425)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1415)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
    at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:941)
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:839)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1425)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1415)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
    at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:941)
    at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:258)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
    at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
    at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:770)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:657)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:355)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:495)
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.xinkai.bean.UserExample' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1654)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1213)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1167)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593)
    ... 45 more

四月 21, 2019 9:32:37 下午 org.apache.catalina.core.StandardContext startInternal
严重: One or more listeners failed to start. Full details will be found in the appropriate container log file
四月 21, 2019 9:32:37 下午 org.apache.catalina.core.StandardContext startInternal
严重: Context [/maven-ssm] startup failed due to previous errors
四月 21, 2019 9:32:37 下午 org.apache.catalina.core.ApplicationContext log
信息: Closing Spring root WebApplicationContext
四月 21, 2019 9:32:37 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-nio-8080"]
四月 21, 2019 9:32:37 下午 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["ajp-nio-8009"]
四月 21, 2019 9:32:37 下午 org.apache.catalina.startup.Catalina start
信息: Server startup in 9131 ms

异常中提到的相关类为：

package com.xinkai.bean;

import java.util.ArrayList;
import java.util.List;

public class UserExample {
    protected String orderByClause;

    protected boolean distinct;

    protected List<Criteria> oredCriteria;

    public UserExample() {
        oredCriteria = new ArrayList<Criteria>();
    }

    public void setOrderByClause(String orderByClause) {
        this.orderByClause = orderByClause;
    }

    public String getOrderByClause() {
        return orderByClause;
    }

    public void setDistinct(boolean distinct) {
        this.distinct = distinct;
    }

    public boolean isDistinct() {
        return distinct;
    }

    public List<Criteria> getOredCriteria() {
        return oredCriteria;
    }

    public void or(Criteria criteria) {
        oredCriteria.add(criteria);
    }

    public Criteria or() {
        Criteria criteria = createCriteriaInternal();
        oredCriteria.add(criteria);
        return criteria;
    }

    public Criteria createCriteria() {
        Criteria criteria = createCriteriaInternal();
        if (oredCriteria.size() == 0) {
            oredCriteria.add(criteria);
        }
        return criteria;
    }

    protected Criteria createCriteriaInternal() {
        Criteria criteria = new Criteria();
        return criteria;
    }

    public void clear() {
        oredCriteria.clear();
        orderByClause = null;
        distinct = false;
    }

    protected abstract static class GeneratedCriteria {
        protected List<Criterion> criteria;

        protected GeneratedCriteria() {
            super();
            criteria = new ArrayList<Criterion>();
        }

        public boolean isValid() {
            return criteria.size() > 0;
        }

        public List<Criterion> getAllCriteria() {
            return criteria;
        }

        public List<Criterion> getCriteria() {
            return criteria;
        }

        protected void addCriterion(String condition) {
            if (condition == null) {
                throw new RuntimeException("Value for condition cannot be null");
            }
            criteria.add(new Criterion(condition));
        }

        protected void addCriterion(String condition, Object value, String property) {
            if (value == null) {
                throw new RuntimeException("Value for " + property + " cannot be null");
            }
            criteria.add(new Criterion(condition, value));
        }

        protected void addCriterion(String condition, Object value1, Object value2, String property) {
            if (value1 == null || value2 == null) {
                throw new RuntimeException("Between values for " + property + " cannot be null");
            }
            criteria.add(new Criterion(condition, value1, value2));
        }

        public Criteria andIdIsNull() {
            addCriterion("id is null");
            return (Criteria) this;
        }

        public Criteria andIdIsNotNull() {
            addCriterion("id is not null");
            return (Criteria) this;
        }

        public Criteria andIdEqualTo(Integer value) {
            addCriterion("id =", value, "id");
            return (Criteria) this;
        }

        public Criteria andIdNotEqualTo(Integer value) {
            addCriterion("id <>", value, "id");
            return (Criteria) this;
        }

        public Criteria andIdGreaterThan(Integer value) {
            addCriterion("id >", value, "id");
            return (Criteria) this;
        }

        public Criteria andIdGreaterThanOrEqualTo(Integer value) {
            addCriterion("id >=", value, "id");
            return (Criteria) this;
        }

        public Criteria andIdLessThan(Integer value) {
            addCriterion("id <", value, "id");
            return (Criteria) this;
        }

        public Criteria andIdLessThanOrEqualTo(Integer value) {
            addCriterion("id <=", value, "id");
            return (Criteria) this;
        }

        public Criteria andIdIn(List<Integer> values) {
            addCriterion("id in", values, "id");
            return (Criteria) this;
        }

        public Criteria andIdNotIn(List<Integer> values) {
            addCriterion("id not in", values, "id");
            return (Criteria) this;
        }

        public Criteria andIdBetween(Integer value1, Integer value2) {
            addCriterion("id between", value1, value2, "id");
            return (Criteria) this;
        }

        public Criteria andIdNotBetween(Integer value1, Integer value2) {
            addCriterion("id not between", value1, value2, "id");
            return (Criteria) this;
        }

        public Criteria andUsernameIsNull() {
            addCriterion("username is null");
            return (Criteria) this;
        }

        public Criteria andUsernameIsNotNull() {
            addCriterion("username is not null");
            return (Criteria) this;
        }

        public Criteria andUsernameEqualTo(String value) {
            addCriterion("username =", value, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameNotEqualTo(String value) {
            addCriterion("username <>", value, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameGreaterThan(String value) {
            addCriterion("username >", value, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameGreaterThanOrEqualTo(String value) {
            addCriterion("username >=", value, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameLessThan(String value) {
            addCriterion("username <", value, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameLessThanOrEqualTo(String value) {
            addCriterion("username <=", value, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameLike(String value) {
            addCriterion("username like", value, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameNotLike(String value) {
            addCriterion("username not like", value, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameIn(List<String> values) {
            addCriterion("username in", values, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameNotIn(List<String> values) {
            addCriterion("username not in", values, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameBetween(String value1, String value2) {
            addCriterion("username between", value1, value2, "username");
            return (Criteria) this;
        }

        public Criteria andUsernameNotBetween(String value1, String value2) {
            addCriterion("username not between", value1, value2, "username");
            return (Criteria) this;
        }

        public Criteria andPasswordIsNull() {
            addCriterion("password is null");
            return (Criteria) this;
        }

        public Criteria andPasswordIsNotNull() {
            addCriterion("password is not null");
            return (Criteria) this;
        }

        public Criteria andPasswordEqualTo(String value) {
            addCriterion("password =", value, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordNotEqualTo(String value) {
            addCriterion("password <>", value, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordGreaterThan(String value) {
            addCriterion("password >", value, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordGreaterThanOrEqualTo(String value) {
            addCriterion("password >=", value, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordLessThan(String value) {
            addCriterion("password <", value, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordLessThanOrEqualTo(String value) {
            addCriterion("password <=", value, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordLike(String value) {
            addCriterion("password like", value, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordNotLike(String value) {
            addCriterion("password not like", value, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordIn(List<String> values) {
            addCriterion("password in", values, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordNotIn(List<String> values) {
            addCriterion("password not in", values, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordBetween(String value1, String value2) {
            addCriterion("password between", value1, value2, "password");
            return (Criteria) this;
        }

        public Criteria andPasswordNotBetween(String value1, String value2) {
            addCriterion("password not between", value1, value2, "password");
            return (Criteria) this;
        }

        public Criteria andTypeIsNull() {
            addCriterion("type is null");
            return (Criteria) this;
        }

        public Criteria andTypeIsNotNull() {
            addCriterion("type is not null");
            return (Criteria) this;
        }

        public Criteria andTypeEqualTo(Integer value) {
            addCriterion("type =", value, "type");
            return (Criteria) this;
        }

        public Criteria andTypeNotEqualTo(Integer value) {
            addCriterion("type <>", value, "type");
            return (Criteria) this;
        }

        public Criteria andTypeGreaterThan(Integer value) {
            addCriterion("type >", value, "type");
            return (Criteria) this;
        }

        public Criteria andTypeGreaterThanOrEqualTo(Integer value) {
            addCriterion("type >=", value, "type");
            return (Criteria) this;
        }

        public Criteria andTypeLessThan(Integer value) {
            addCriterion("type <", value, "type");
            return (Criteria) this;
        }

        public Criteria andTypeLessThanOrEqualTo(Integer value) {
            addCriterion("type <=", value, "type");
            return (Criteria) this;
        }

        public Criteria andTypeIn(List<Integer> values) {
            addCriterion("type in", values, "type");
            return (Criteria) this;
        }

        public Criteria andTypeNotIn(List<Integer> values) {
            addCriterion("type not in", values, "type");
            return (Criteria) this;
        }

        public Criteria andTypeBetween(Integer value1, Integer value2) {
            addCriterion("type between", value1, value2, "type");
            return (Criteria) this;
        }

        public Criteria andTypeNotBetween(Integer value1, Integer value2) {
            addCriterion("type not between", value1, value2, "type");
            return (Criteria) this;
        }

        public Criteria andCreatetimeIsNull() {
            addCriterion("createTime is null");

            return (Criteria) this;
        }

        public Criteria andCreatetimeIsNotNull() {
            addCriterion("createTime is not null");
            return (Criteria) this;
        }

        public Criteria andCreatetimeEqualTo(String value) {
            addCriterion("createTime =", value, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeNotEqualTo(String value) {
            addCriterion("createTime <>", value, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeGreaterThan(String value) {
            addCriterion("createTime >", value, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeGreaterThanOrEqualTo(String value) {
            addCriterion("createTime >=", value, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeLessThan(String value) {
            addCriterion("createTime <", value, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeLessThanOrEqualTo(String value) {
            addCriterion("createTime <=", value, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeLike(String value) {
            addCriterion("createTime like", value, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeNotLike(String value) {
            addCriterion("createTime not like", value, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeIn(List<String> values) {
            addCriterion("createTime in", values, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeNotIn(List<String> values) {
            addCriterion("createTime not in", values, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeBetween(String value1, String value2) {
            addCriterion("createTime between", value1, value2, "createtime");
            return (Criteria) this;
        }

        public Criteria andCreatetimeNotBetween(String value1, String value2) {
            addCriterion("createTime not between", value1, value2, "createtime");
            return (Criteria) this;
        }
    }

    public static class Criteria extends GeneratedCriteria {

        protected Criteria() {
            super();
        }
    }

    public static class Criterion {
        private String condition;

        private Object value;

        private Object secondValue;

        private boolean noValue;

        private boolean singleValue;

        private boolean betweenValue;

        private boolean listValue;

        private String typeHandler;

        public String getCondition() {
            return condition;
        }

        public Object getValue() {
            return value;
        }

        public Object getSecondValue() {
            return secondValue;
        }

        public boolean isNoValue() {
            return noValue;
        }

        public boolean isSingleValue() {
            return singleValue;
        }

        public boolean isBetweenValue() {
            return betweenValue;
        }

        public boolean isListValue() {
            return listValue;
        }

        public String getTypeHandler() {
            return typeHandler;
        }

        protected Criterion(String condition) {
            super();
            this.condition = condition;
            this.typeHandler = null;
            this.noValue = true;
        }

        protected Criterion(String condition, Object value, String typeHandler) {
            super();
            this.condition = condition;
            this.value = value;
            this.typeHandler = typeHandler;
            if (value instanceof List<?>) {
                this.listValue = true;
            } else {
                this.singleValue = true;
            }
        }

        protected Criterion(String condition, Object value) {
            this(condition, value, null);
        }

        protected Criterion(String condition, Object value, Object secondValue, String typeHandler) {
            super();
            this.condition = condition;
            this.value = value;
            this.secondValue = secondValue;
            this.typeHandler = typeHandler;
            this.betweenValue = true;
        }

        protected Criterion(String condition, Object value, Object secondValue) {
            this(condition, value, secondValue, null);
        }
    }
}

package com.xinkai.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.xinkai.bean.User;
import com.xinkai.bean.UserExample;
import com.xinkai.bean.UserExample.Criteria;
import com.xinkai.mapper.UserMapper;

/**
* Created by xinkai 

* Created time:2019年4月21日 上午11:27:50
* description
*/
@Component
public class UserDaoImpl implements UserDao {
    @Autowired
    private UserMapper userMapper;
    @Autowired
    private UserExample userExample;

    /**
     * 注册防止重名
     */
    @Override
    public List<User> selectByName(User user) {
        // TODO Auto-generated method stub
        Criteria criteria= userExample.createCriteria();
        criteria.andUsernameEqualTo(user.getUsername());
        criteria.andTypeEqualTo(user.getType());
        List<User> list=userMapper.selectByExample(userExample);
        return list;
    }

    /**
     * 用户注册
     */
    @Override
    public int insertUser(User user) {
        // TODO Auto-generated method stub
        int result = userMapper.insert(user);
        return result;
    }

    /**
     * 用户登录
     */
    @Override
    public List<User> login(User user) {
        // TODO Auto-generated method stub
        Criteria criteria = userExample.createCriteria();
        criteria.andUsernameEqualTo(user.getUsername());
        criteria.andPasswordEqualTo(user.getPassword());
        criteria.andTypeEqualTo(user.getType());
        List<User> list= userMapper.selectByExample(userExample);
        return list;
    }

    /**
     * 用户更新个人信息
     */
    @Override
    public int updateUser(User user) {
        // TODO Auto-generated method stub
        int result = userMapper.updateByPrimaryKey(user);
        return result;
    }
}


package com.xinkai.controller;

import java.util.Date;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;

import com.xinkai.bean.User;
import com.xinkai.service.UserDao;

/**
* @author xinkai E-mail:1079463993@qq.com
* @version 创建时间：2019年4月20日 上午11:39:24
* 类说明 Controller
*/
@Controller
public class UserController {
//  @Resource(name = "userDao")
    @Autowired
    private UserDao userDao;

    /**
     * Create by xinkai 2019年4月20日下午4:00:51
     * 用户注册，不可注册同名用户
     * @param map
     * @param user
     * @return
     */
    @RequestMapping("regist.do")
    public String regist(){
        return "login";
    }
    @RequestMapping("doRegist.do")
    public String  doRegist(ModelMap map,User user){
        user.setType(1);
        List<User> list=userDao.selectByName(user);
        if(list.size()!=0) {
            map.addAttribute("tips", "该用户名已存在");
            return "login";
        }
        String date=new Date().toLocaleString().substring(0, 10).trim();
        user.setCreatetime(date);
        int result = userDao.insertUser(user);
        if(result == 0) {
            map.addAttribute("tips", "注册出现异常，请重试");
            return "login";
        }
        return "login";
    }
    /**
     * Create by xinkai 2019年4月20日下午2:20:28
     * 用户登录
     * @return
     */
    @RequestMapping("userlogin.do")
    public String userLogin() {
        return "login";
    }
    @RequestMapping("doUserLogin.do")
    public String doUserLogin(HttpServletRequest request,ModelMap map,User user){
        List<User>list=userDao.login(user);
        if (list.isEmpty()){
            map.addAttribute("tips", "用户名或密码错误");
            return "login";
        }else{
            HttpSession session=request.getSession();
            session.setAttribute("user", list.get(0));
            return "index";
        }
    }

    /**
     * Create by xinkai 2019年4月20日下午2:28:24
     * 用户退出账号
     * @param request
     * @return
     */
    @RequestMapping("doLogout")
    public String doLogout(HttpServletRequest request) {
        HttpSession session = request.getSession();
        session.removeAttribute("user");
        return "index";
    }

    /**
     * Create by xinkai 2019年4月20日下午2:38:01
     * 用户查询自己的信息
     * @param request
     * @param map
     * @return
     */
    @RequestMapping("userInfo")
    public String userInfo(HttpServletRequest request,ModelMap map){
        HttpSession session=request.getSession();
        User user=(User) session.getAttribute("user");
        map.addAttribute("user", user);
        return "userInfo";
    }

    /**
     * Create by xinkai 2019年4月20日下午2:47:32
     * 用户修改密码
     * @param map
     * @param user
     * @return
     */
    @RequestMapping("updateUserInfo")
    public String updateUserInfo(ModelMap map,User user) {

        int result = userDao.updateUser(user);
        if (result==0){
            map.addAttribute("tips", "相关信息更新失败！");
            return "userInfo";
        }
        return "login";
    }

}

我哪里的问题?

  • 写回答

1条回答 默认 最新

  • lvbinibnsb 2019-04-24 12:33
    关注

    在你的UserDaoImpl 里 为什么要Autowired UserExample呢？ 去掉这个Autowired
    很久没见过这种写法了，如果要用UserExample，new 一个就是了

    评论

报告相同问题？

悬赏问题

  • ¥15 js调用html页面需要隐藏某个按钮
  • ¥15 ads仿真结果在圆图上是怎么读数的
  • ¥20 Cotex M3的调试和程序执行方式是什么样的？
  • ¥15 一道python难题3
  • ¥15 用matlab 设计一个不动点迭代法求解非线性方程组的代码
  • ¥15 牛顿斯科特系数表表示
  • ¥15 arduino 步进电机
  • ¥20 程序进入HardFault_Handler
  • ¥15 oracle集群安装出bug
  • ¥15 关于#python#的问题：自动化测试