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  • spring-mybatis 结合 配置文件 及 简单 test

    1...pom.xml 配置文件

      1 <?xml version="1.0" encoding="UTF-8"?>
      2 
      3 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      4   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
      5   <modelVersion>4.0.0</modelVersion>
      6 
      7   <groupId>com.wsc</groupId>
      8   <artifactId>testSpring_mybatis</artifactId>
      9   <version>1.0-SNAPSHOT</version>
     10   <packaging>war</packaging>
     11 
     12   <name>testSpring_mybatis Maven Webapp</name>
     13   <!-- FIXME change it to the project's website -->
     14   <url>http://www.example.com</url>
     15 
     16   <properties>
     17     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     18     <maven.compiler.source>1.7</maven.compiler.source>
     19     <maven.compiler.target>1.7</maven.compiler.target>
     20   </properties>
     21 
     22   <dependencies>
     23     <dependency>
     24       <groupId>junit</groupId>
     25       <artifactId>junit</artifactId>
     26       <version>4.12</version>
     27       <scope>test</scope>
     28     </dependency>
     29       <dependency>
     30           <groupId>org.mybatis</groupId>
     31           <artifactId>mybatis</artifactId>
     32           <version>3.4.5</version>
     33       </dependency>
     34       <dependency>
     35           <groupId>org.springframework</groupId>
     36           <artifactId>spring-context</artifactId>
     37           <version>5.0.2.RELEASE</version>
     38       </dependency>
     39       <dependency>
     40           <groupId>c3p0</groupId>
     41           <artifactId>c3p0</artifactId>
     42           <version>0.9.1.2</version>
     43       </dependency>
     44       <dependency>
     45           <groupId>commons-dbcp</groupId>
     46           <artifactId>commons-dbcp</artifactId>
     47           <version>1.4</version>
     48       </dependency>
     49       <dependency>
     50           <groupId>mysql</groupId>
     51           <artifactId>mysql-connector-java</artifactId>
     52           <version>5.1.6</version>
     53       </dependency>
     54       <dependency>
     55           <groupId>org.springframework</groupId>
     56           <artifactId>spring-jdbc</artifactId>
     57           <version>5.0.2.RELEASE</version>
     58       </dependency>
     59       <dependency>
     60           <groupId>org.springframework</groupId>
     61           <artifactId>spring-test</artifactId>
     62           <version>5.0.2.RELEASE</version>
     63       </dependency>
     64       <dependency>
     65           <groupId>org.mybatis</groupId>
     66           <artifactId>mybatis-spring</artifactId>
     67           <version>1.3.1</version>
     68       </dependency>
     69       <dependency>
     70           <groupId>log4j</groupId>
     71           <artifactId>log4j</artifactId>
     72           <version>1.2.17</version>
     73       </dependency>
     74       <dependency>
     75           <groupId>org.springframework</groupId>
     76           <artifactId>spring-tx</artifactId>
     77           <version>5.0.2.RELEASE</version>
     78       </dependency>
     79       <dependency>
     80           <groupId>org.aspectj</groupId>
     81           <artifactId>aspectjweaver</artifactId>
     82           <version>1.8.9</version>
     83       </dependency>
     84       <!--web引入依赖-->
     85 
     86       <dependency>
     87           <groupId>org.springframework</groupId>
     88           <artifactId>spring-webmvc</artifactId>
     89           <version>5.0.2.RELEASE</version>
     90       </dependency>
     91       <dependency>
     92           <groupId>javax.servlet</groupId>
     93           <artifactId>servlet-api</artifactId>
     94           <version>2.5</version>
     95           <scope>provided</scope>
     96       </dependency>
     97       <dependency>
     98           <groupId>javax.servlet</groupId>
     99           <artifactId>jsp-api</artifactId>
    100           <version>2.0</version>
    101           <scope>provided</scope>
    102       </dependency>
    103       <!--引入标签库-->
    104 
    105       <dependency>
    106           <groupId>jstl</groupId>
    107           <artifactId>jstl</artifactId>
    108           <version>1.2</version>
    109       </dependency>
    110   </dependencies>
    111 
    112   <build>
    113     <finalName>testSpring_mybatis</finalName>
    114     <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
    115       <plugins>
    116         <plugin>
    117           <artifactId>maven-clean-plugin</artifactId>
    118           <version>3.1.0</version>
    119         </plugin>
    120         <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
    121         <plugin>
    122           <artifactId>maven-resources-plugin</artifactId>
    123           <version>3.0.2</version>
    124         </plugin>
    125         <plugin>
    126           <artifactId>maven-compiler-plugin</artifactId>
    127           <version>3.8.0</version>
    128         </plugin>
    129         <plugin>
    130           <artifactId>maven-surefire-plugin</artifactId>
    131           <version>2.22.1</version>
    132         </plugin>
    133         <plugin>
    134           <artifactId>maven-war-plugin</artifactId>
    135           <version>3.2.2</version>
    136         </plugin>
    137         <plugin>
    138           <artifactId>maven-install-plugin</artifactId>
    139           <version>2.5.2</version>
    140         </plugin>
    141         <plugin>
    142           <artifactId>maven-deploy-plugin</artifactId>
    143           <version>2.8.2</version>
    144         </plugin>
    145       </plugins>
    146     </pluginManagement>
    147   </build>
    148 </project>
    pom.xml

    2...sqlMapperingConfig.xml

     1 <?xml version="1.0" encoding="UTF-8" ?>
     2 <!DOCTYPE configuration
     3         PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
     4         "http://mybatis.org/dtd/mybatis-3-config.dtd">
     5 <configuration>
     6     <properties resource="jdbc.properties"></properties>
     7     <environments default="development">
     8         <environment id="development">
     9             <transactionManager type="JDBC"/>
    10             <dataSource type="POOLED">
    11                 <property name="driver" value="${jdbc.driver}"/>
    12                 <property name="url" value="${jdbc.url}"/>
    13                 <property name="username" value="${jdbc.name}"/>
    14                 <property name="password" value="${jdbc.password}"/>
    15             </dataSource>
    16         </environment>
    17     </environments>
    18     <mappers>
    19        <package name="com.wsc.dao"></package>
    20     </mappers>
    21 </configuration>
    sqlMapperingConfig.xml

    3...spring-mvc.xml

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <beans xmlns="http://www.springframework.org/schema/beans"
     3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     4        xmlns:context="http://www.springframework.org/schema/context"
     5        xmlns:mvc="http://www.springframework.org/schema/mvc"
     6        xsi:schemaLocation="http://www.springframework.org/schema/beans
     7        http://www.springframework.org/schema/beans/spring-beans.xsd
     8        http://www.springframework.org/schema/context
     9        http://www.springframework.org/schema/context/spring-context.xsd
    10        http://www.springframework.org/schema/mvc
    11        http://www.springframework.org/schema/mvc/spring-mvc.xsd">
    12     <!-- 扫描包 创建类对象 -->
    13     <context:component-scan base-package="com.wsc.controller"></context:component-scan>
    14     <!--视图解析器-->
    15     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    16     <property name="prefix" value="/pages/"></property>
    17     <property name="suffix" value=".jsp"></property>
    18     </bean>
    19     <!--注解驱动-->
    20     <mvc:annotation-driven></mvc:annotation-driven>
    21     <!--静态资源放行-->
    22 <!--    <mvc:resources mapping="/js/*" location="/js/"></mvc:resources>-->
    23    <mvc:default-servlet-handler></mvc:default-servlet-handler>
    24 </beans>
    spring-mvc.xml

    4...jdbc.properties

    1 jdbc.driver=com.mysql.jdbc.Driver
    2 jdbc.url=jdbc:mysql://localhost:3306/studentdb
    3 jdbc.name=root
    4 jdbc.password=wsc
    jdbc.properties

    5...applicationContext.xml

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <beans xmlns="http://www.springframework.org/schema/beans"
     3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     4        xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
     5        xmlns:aop="http://www.springframework.org/schema/aop"
     6        xsi:schemaLocation="http://www.springframework.org/schema/beans
     7        http://www.springframework.org/schema/beans/spring-beans.xsd
     8        http://www.springframework.org/schema/context
     9        http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
    10     <!--引入外部资源-->
    11         <context:property-placeholder location="classpath:jdbc.properties"></context:property-placeholder>
    12     <!--数据源-->
    13     <bean id="DataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    14         <property name="driverClassName" value="${jdbc.driver}"></property>
    15         <property name="url" value="${jdbc.url}"></property>
    16         <property name="username" value="${jdbc.name}"></property>
    17         <property name="password" value="${jdbc.password}"></property>
    18     </bean>
    19     <!--创建sqlSeesionFactor对象-->
    20     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    21         <!--引入数据源-->
    22         <property name="dataSource" ref="DataSource"></property>
    23     </bean>
    24     <!--扫描dao层的包   创建动态代理对象  存入spring容器中-->
    25     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    26         <property name="basePackage" value="com.wsc.dao"></property>
    27     </bean>
    28     <!--业务层配置开始-->
    29     <!--扫描包 创建servie 层所有的类对象-->
    30     <context:component-scan base-package="com.wsc.service"></context:component-scan>
    31     <!--1 事物管理器对象-->
    32     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    33         <property name="dataSource" ref="DataSource"></property>
    34     </bean>
    35     <!--2 事物管理增强对象-->
    36     <tx:advice transaction-manager="transactionManager" id="txx">
    37         <tx:attributes>
    38             <!--该类方法  只读  如果有事物   加入事物执行 -->
    39             <tx:method name="find*" read-only="true" propagation="SUPPORTS"/>
    40             <tx:method name="query*" read-only="true" propagation="SUPPORTS"></tx:method>
    41             <tx:method name="get*" read-only="true" propagation="SUPPORTS"></tx:method>
    42 
    43             <!--其它方法  非只读  创建事物  -->
    44            <tx:method name="*" read-only="false" propagation="REQUIRED" ></tx:method>
    45         </tx:attributes>
    46     </tx:advice>
    47     <!--3  aop配置 切面配置-->
    48     <aop:config>
    49 <!--        <aop:pointcut id="txx"  expression="execution(* com.wsc.service.impl.*.*(..))"/>-->
    50        <aop:advisor advice-ref="txx" pointcut="execution(* com.wsc.service.impl.*.*(..))"></aop:advisor>
    51     </aop:config>
    52 </beans>
    applicationContext.xml

    6...web.xml

     1 <!DOCTYPE web-app PUBLIC
     2  "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
     3  "http://java.sun.com/dtd/web-app_2_3.dtd" >
     4 
     5 <web-app>
     6   <display-name>Archetype Created Web Application</display-name>
     7     <!--配置一个全局的参数  指定spring 容器配置文件-->
     8     <context-param>
     9         <param-name>contextConfigLocation</param-name>
    10         <param-value>classpath:applicationContext.xml</param-value>
    11     </context-param>
    12     <filter>
    13         <filter-name>CharacterEncodingFilter</filter-name>
    14         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    15         <init-param>
    16         <param-name>encoding</param-name>
    17         <param-value>utf-8</param-value>
    18     </init-param>
    19     </filter>
    20     <filter-mapping>
    21         <filter-name>CharacterEncodingFilter</filter-name>
    22         <url-pattern>/*</url-pattern>
    23     </filter-mapping>
    24     <!--配置监听器  创建spring 对象-->
    25     <listener>
    26         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    27     </listener>
    28     <servlet>
    29         <servlet-name>DispatcherServlet</servlet-name>
    30         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    31         <init-param>
    32             <param-name>contextConfigLocation</param-name>
    33             <param-value>classpath:spring-mvc.xml</param-value>
    34         </init-param>
    35     </servlet>
    36 <servlet-mapping>
    37     <servlet-name>DispatcherServlet</servlet-name>
    38     <url-pattern>/</url-pattern>
    39 </servlet-mapping>
    40 </web-app>
    web.xml

    7...spring --》test

     1 package com.wsc.test;
     2 
     3 import com.wsc.dao.StudentDao;
     4 import com.wsc.domain.Student;
     5 import org.junit.Test;
     6 import org.junit.runner.RunWith;
     7 import org.springframework.context.support.ClassPathXmlApplicationContext;
     8 import org.springframework.test.context.ContextConfiguration;
     9 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    10 
    11 import java.util.List;
    12 
    13 /**
    14  * @version 1.0
    15  * @ClassName TestSpingMybaties
    16  * @Description TODO
    17  * @Author WSC
    18  * @Date 2019/7/12 13:41
    19  **/
    20 //@RunWith(SpringJUnit4ClassRunner.class)
    21 //@ContextConfiguration("classpath:applicationContext.xml")
    22 public class TestSpingMybaties {
    23 @Test
    24     public void testSprMybatis(){
    25         ClassPathXmlApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
    26         StudentDao bean = classPathXmlApplicationContext.getBean(StudentDao.class);
    27         List<Student> allStudent = bean.findAllStudent();
    28         for(Student student:allStudent){
    29             System.out.println(student);
    30     }
    31 
    32 }
    33 }
    spring-test

    8...mybatis  ---》test

     1 package com.wsc.test;
     2 
     3 import com.wsc.dao.StudentDao;
     4 import com.wsc.domain.Student;
     5 import org.apache.ibatis.session.SqlSession;
     6 import org.apache.ibatis.session.SqlSessionFactory;
     7 import org.apache.ibatis.session.SqlSessionFactoryBuilder;
     8 import org.junit.Test;
     9 
    10 import java.io.InputStream;
    11 import java.util.List;
    12 
    13 /**
    14  * @version 1.0
    15  * @ClassName TestSpring_mybatis
    16  * @Description TODO
    17  * @Author WSC
    18  * @Date 2019/7/12 13:12
    19  **/
    20 public class TestSpring_mybatis {
    21     @Test
    22     public void testStudent(){
    23         InputStream resourceAsStream = this.getClass().getClassLoader().getResourceAsStream("sqlMapperingConfig.xml");
    24         SqlSessionFactory build = new SqlSessionFactoryBuilder().build(resourceAsStream);
    25         SqlSession sqlSession = build.openSession();
    26         StudentDao mapper = sqlSession.getMapper(StudentDao.class);
    27         List<Student> allStudent = mapper.findAllStudent();
    28         for(Student student:allStudent){
    29             System.out.println(student);
    30         }
    31         sqlSession.close();
    32     }
    33 }
    mybatis-test

    9...spring-mybatis-test

     1 package com.wsc.test;
     2 
     3 import com.wsc.domain.Student;
     4 import com.wsc.service.StudentService;
     5 import org.junit.Test;
     6 import org.junit.runner.RunWith;
     7 import org.springframework.beans.factory.annotation.Autowired;
     8 import org.springframework.test.context.ContextConfiguration;
     9 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    10 
    11 import java.util.Date;
    12 import java.util.List;
    13 
    14 /**
    15  * @version 1.0
    16  * @ClassName TestSM
    17  * @Description TODO
    18  * @Author WSC
    19  * @Date 2019/7/12 14:16
    20  **/
    21 @RunWith(SpringJUnit4ClassRunner.class)
    22 @ContextConfiguration("classpath:applicationContext.xml")
    23 public class TestSM {
    24     @Autowired
    25     StudentService studentService;
    26     @Test
    27     public void testFindAll(){
    28         List<Student> allStudent = studentService.findAllStudent();
    29         for(Student student:allStudent){
    30             System.out.println(student);
    31         }
    32     }
    33     @Test
    34     public void testFindById(){
    35         Student byId = studentService.findById(2);
    36         System.out.println(byId);
    37     }
    38     @Test
    39     public void testDrop(){
    40         studentService.drop(24);
    41     }
    42     @Test
    43     public void testUpdate(){
    44         Student student = new Student();
    45         student.setStudentNo(29);
    46         student.setStudentName("s");
    47         studentService.update(student);
    48     }
    49     @Test
    50     public void testAdd(){
    51         Student student = new Student();
    52         student.setStudentName("晚饭");
    53         student.setAge(20);
    54         student.setClassNo(3);
    55         Date date = new Date();
    56         student.setBoreDate(date);
    57         studentService.add(student);
    58     }
    59     @Test
    60     public void testFindByName(){
    61         List<Student> byName = studentService.findByName("国");
    62         for(Student student:byName){
    63             System.out.println(student);
    64         }
    65     }
    66 }
    注解 test

    10...Student

     1 package com.wsc.domain;
     2 
     3 import java.util.Date;
     4 
     5 /**
     6  * @version 1.0
     7  * @ClassName Student
     8  * @Description TODO
     9  * @Author WSC
    10  * @Date 2019/7/12 11:09
    11  **/
    12 public class Student {
    13     private int studentNo;
    14     private String studentName;
    15     private int age;
    16     private Date boreDate;
    17     private int classNo;
    18 
    19     public Student() {
    20         super();
    21     }
    22 
    23     public Student(int studentNo, String studentName, int age, Date boreDate, int classNo) {
    24         super();
    25         this.studentNo = studentNo;
    26         this.studentName = studentName;
    27         this.age = age;
    28         this.boreDate = boreDate;
    29         this.classNo = classNo;
    30     }
    31 
    32     public int getStudentNo() {
    33         return studentNo;
    34     }
    35 
    36     public void setStudentNo(int studentNo) {
    37         this.studentNo = studentNo;
    38     }
    39 
    40     public String getStudentName() {
    41         return studentName;
    42     }
    43 
    44     public void setStudentName(String studentName) {
    45         this.studentName = studentName;
    46     }
    47 
    48     public int getAge() {
    49         return age;
    50     }
    51 
    52     public void setAge(int age) {
    53         this.age = age;
    54     }
    55 
    56     public Date getBoreDate() {
    57         return boreDate;
    58     }
    59 
    60     public void setBoreDate(Date boreDate) {
    61         this.boreDate = boreDate;
    62     }
    63 
    64     public int getClassNo() {
    65         return classNo;
    66     }
    67 
    68     public void setClassNo(int calssNo) {
    69         this.classNo = calssNo;
    70     }
    71 
    72     @Override
    73     public String toString() {
    74         return "Student [studentNo=" + studentNo + ", studentName=" + studentName + ", age=" + age + ", boreDate="
    75                 + boreDate + ", calssNo=" + classNo + "]";
    76     }
    77 }
    Student 实体类

    11...dao

     1 package com.wsc.dao;
     2 
     3 import com.wsc.domain.Student;
     4 import org.apache.ibatis.annotations.Delete;
     5 import org.apache.ibatis.annotations.Insert;
     6 import org.apache.ibatis.annotations.Select;
     7 import org.apache.ibatis.annotations.Update;
     8 
     9 import java.util.List;
    10 
    11 public interface StudentDao {
    12     @Select("select * from student")
    13     public List<Student> findAllStudent();
    14     @Select("select * from student where studentNo=#{studentNo}")
    15     public Student findById(Integer studentNo);
    16     @Delete("delete from student where studentNo=#{studentNo}")
    17     public void drop(Integer studentNo);
    18     @Update("update student set studentName=#{studentName} where studentNo=#{studentNo}")
    19     public void update(Student student);
    20     @Insert("insert into student values(null,#{studentName},#{age},#{boreDate},#{classNo})")
    21     public void add(Student student);
    22     @Select(" select * from student where studentName like "%"#{studentName}"%"")
    23     public List<Student> findByName(String name);
    24 }
    dao

    12...service

     1 package com.wsc.service;
     2 
     3 import com.wsc.domain.Student;
     4 
     5 import java.util.List;
     6 
     7 public interface StudentService {
     8     public List<Student> findAllStudent();
     9     public Student findById(Integer studentNo);
    10     public void drop(Integer studentNo);
    11     public void update(Student student);
    12     public void add(Student student);
    13     public List<Student> findByName(String name);
    14 }
    service

    13...serviceImpl

     1 package com.wsc.service.impl;
     2 
     3 import com.wsc.dao.StudentDao;
     4 import com.wsc.domain.Student;
     5 import com.wsc.service.StudentService;
     6 import org.springframework.beans.factory.annotation.Autowired;
     7 import org.springframework.stereotype.Service;
     8 
     9 import java.util.List;
    10 
    11 /**
    12  * @version 1.0
    13  * @ClassName StudentServiceImpl
    14  * @Description TODO
    15  * @Author WSC
    16  * @Date 2019/7/12 13:58
    17  **/
    18 @Service
    19 public class StudentServiceImpl implements StudentService {
    20     @Autowired
    21     StudentDao studentDao;
    22     @Override
    23     public List<Student> findAllStudent() {
    24         return studentDao.findAllStudent();
    25     }
    26 
    27     @Override
    28     public Student findById(Integer studentNo) {
    29         return studentDao.findById(studentNo);
    30     }
    31 
    32     @Override
    33     public void drop(Integer studentNo) {
    34         studentDao.drop(studentNo);
    35     }
    36 
    37     @Override
    38     public void update(Student student) {
    39         studentDao.update(student);
    40     }
    41 
    42     @Override
    43     public void add(Student student) {
    44         studentDao.add(student);
    45     }
    46 
    47     @Override
    48     public List<Student> findByName(String name) {
    49         return studentDao.findByName(name);
    50     }
    51 }
    serviceImpl

    14...controller (ModelAndView

     1 package com.wsc.controller;
     2 
     3 import com.wsc.domain.Student;
     4 import com.wsc.service.StudentService;
     5 import org.springframework.beans.factory.annotation.Autowired;
     6 import org.springframework.stereotype.Controller;
     7 import org.springframework.web.bind.annotation.RequestMapping;
     8 import org.springframework.web.servlet.ModelAndView;
     9 
    10 import java.util.List;
    11 
    12 /**
    13  * @version 1.0
    14  * @ClassName StudentController
    15  * @Description TODO
    16  * @Author WSC
    17  * @Date 2019/7/15 11:28
    18  **/
    19 @Controller
    20 @RequestMapping("/student")
    21 public class StudentController {
    22     @Autowired
    23     StudentService studentService;
    24     @RequestMapping("/findAll")
    25     public ModelAndView findAll(){
    26         List<Student> allStudent = studentService.findAllStudent();
    27         ModelAndView modelAndView = new ModelAndView();
    28         modelAndView.addObject("allStudent",allStudent);
    29         modelAndView.setViewName("show");
    30         return modelAndView;
    31     }
    32     @RequestMapping("/drop")
    33         public String drop(Integer studentNo){
    34             studentService.drop(studentNo);
    35             return "redirect:findAll";
    36     }
    37 
    38     @RequestMapping("/add")
    39     public String add(Student student){
    40         studentService.add(student);
    41         return "redirect:findAll";
    42     }
    43    @RequestMapping("/updatee")
    44     public ModelAndView update(Integer studentNo){
    45        Student byId = studentService.findById(studentNo);
    46        ModelAndView modelAndView = new ModelAndView();
    47        modelAndView.addObject("student",byId);
    48        modelAndView.setViewName("update");
    49        return modelAndView;
    50    }
    51    @RequestMapping("/update")
    52     public String update2(Student student){
    53     studentService.update(student);
    54        return "redirect:findAll";
    55    }
    56    }
    controller
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  • 原文地址:https://www.cnblogs.com/wangshichang/p/11364785.html
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