SSM整合之CRUD增删改查案例(非ajax版)

谁借莪１个温暖的怀抱￠ 2022-12-18 01:53 141阅读 0赞

## 最终页面效果: ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3OTI0OTA1_size_16_color_FFFFFF_t_70_pic_center]

## 最终项目的目录结构 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3OTI0OTA1_size_16_color_FFFFFF_t_70_pic_center 1]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3OTI0OTA1_size_16_color_FFFFFF_t_70_pic_center 2]

## 数据库表 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM3OTI0OTA1_size_16_color_FFFFFF_t_70_pic_center 3]

## 表的设计: ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTM2MjEzOTg_size_16_color_FFFFFF_t_70_pic_center]

## pom.xml ##

<?xml version="1.0" encoding="UTF-8"?>
    
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <parent>
            <artifactId>ssmProject</artifactId>
            <groupId>com.lbl</groupId>
            <version>1.0-SNAPSHOT</version>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>ssm04</artifactId>
        <packaging>war</packaging>
    
        <name>ssm04 Maven Webapp</name>
        
        <url>http://www.example.com</url>
    
    
        <properties>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <maven.compiler.source>1.8</maven.compiler.source>
            <maven.compiler.target>1.8</maven.compiler.target>
            <spring.version>5.2.9.RELEASE</spring.version>
            <slf4j.version>1.6.6</slf4j.version>
            <log4j.version>1.2.12</log4j.version>
            <mysql.version>5.1.6</mysql.version>
            <mybatis.version>3.4.5</mybatis.version>
        </properties>
    
        <dependencies>
            
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjweaver</artifactId>
                <version>1.6.8</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-aop</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-web</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-tx</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
                <scope>test</scope>
            </dependency>
    
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>${mysql.version}</version>
            </dependency>
    
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>servlet-api</artifactId>
                <version>2.5</version>
                <scope>provided</scope>
            </dependency>
    
            <dependency>
                <groupId>javax.servlet.jsp</groupId>
                <artifactId>jsp-api</artifactId>
                <version>2.0</version>
                <scope>provided</scope>
            </dependency>
    
            <dependency>
                <groupId>jstl</groupId>
                <artifactId>jstl</artifactId>
                <version>1.2</version>
            </dependency>
    
            
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>${log4j.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-api</artifactId>
                <version>${slf4j.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-log4j12</artifactId>
                <version>${slf4j.version}</version>
            </dependency>
    
            
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis</artifactId>
                <version>${mybatis.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>1.3.0</version>
            </dependency>
    
            <dependency>
                <groupId>c3p0</groupId>
                <artifactId>c3p0</artifactId>
                <version>0.9.1.2</version>
                <type>jar</type>
                <scope>compile</scope>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>1.18.12</version>
            </dependency>
        </dependencies>
    
    
    </project>

## applicationContext.xml ##

<?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
    
        <context:component-scan base-package="com.lbl">
            <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
        </context:component-scan>
        
        <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
            <property name="jdbcUrl" value="jdbc:mysql://47.115.79.211:3308/crud?useUnicode=true&characterEncoding=utf8"></property>
            <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
            <property name="user" value="root"></property>
            <property name="password" value="admin123"></property>
        </bean>
        
        <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource" ref="dataSource"/>
            
            <property name="typeAliasesPackage" value="com.lbl.domain"/>
        </bean>
        
        <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            <property name="basePackage" value="com.lbl.dao"/>
            <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        </bean>
    
        
        
        <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
            <property name="dataSource" ref="dataSource"/>
        </bean>
        <tx:advice id="txAdvice" transaction-manager="transactionManager">
            <tx:attributes>
                <tx:method name="find*" read-only="true"/>
                <tx:method name="*" isolation="DEFAULT"/>
            </tx:attributes>
        </tx:advice>
    
        
        <aop:config>
            <aop:pointcut id="service" expression="execution(* com.lbl.service.impl.*ServiceImpl.*(..))"/>
            <aop:advisor advice-ref="txAdvice" pointcut-ref="service"/>
        </aop:config>
    
    </beans>

## log4j.properties ##

# Set root category priority to INFO and its only appender to CONSOLE.
    #log4j.rootCategory=INFO, CONSOLE            debug   info   warn error fatal
    log4j.rootCategory=debug, CONSOLE, LOGFILE
    
    # Set the enterprise logger category to FATAL and its only appender to CONSOLE.
    log4j.logger.org.apache.axis.enterprise=FATAL, CONSOLE
    
    # CONSOLE is set to be a ConsoleAppender using a PatternLayout.
    log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
    log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
    log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n
    
    # LOGFILE is set to be a File appender using a PatternLayout.
    log4j.appender.LOGFILE=org.apache.log4j.FileAppender
    log4j.appender.LOGFILE.File=F:/ssmTest/log4j/ssmTest.log
    log4j.appender.LOGFILE.Append=true
    log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
    log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

## springmvc.xml ##

## web.xml ##

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" >
    
    <web-app>
      <display-name>Archetype Created Web Application</display-name>
      
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
      </context-param>
    
      
      <filter>
        <filter-name>characterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
          <param-name>encoding</param-name>
          <param-value>UTF-8</param-value>
        </init-param>
      </filter>
      <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>
    
      
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
    
      
      <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:springmvc.xml</param-value>
        </init-param>
        
        <load-on-startup>1</load-on-startup>
      </servlet>
      <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
      </servlet-mapping>
    
    
    </web-app>

## 部门 ##

## TestDepartmentService ##

/** * Created by 李柏霖 * 2020/10/16 19:37 */
    
    package com.lbl.service;
    
    import com.lbl.domain.Department;
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.test.context.ContextConfiguration;
    import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    
    import java.util.ArrayList;
    import java.util.List;
    
    @RunWith(SpringJUnit4ClassRunner.class)
    @ContextConfiguration("classpath:applicationContext.xml")
    public class TestDepartmentService { 
    
        @Autowired
        IDepartmentService departmentService;
    
        @Test
        public void findAll(){ 
            List<Department> result = departmentService.findAll();
            System.out.println(result);
        }
    
        @Test
        public void save(){ 
            Department department = new Department("研发");
            departmentService.save(department);
        }
    
        @Test
        public void savePersons(){ 
            ArrayList<Department> list = new ArrayList<>();
            list.add(new Department("测试1"));
            list.add(new Department("测试2"));
            list.add(new Department("测试3"));
            departmentService.saveDepartments(list);
        }
    
        @Test
        public void deleteById(){ 
            departmentService.deleteById(6);
        }
    
        @Test
        public void findById(){ 
            Department department = departmentService.findById(5);
            System.out.println(department);
        }
        @Test
        public void update(){ 
            Department department = departmentService.findById(5);
            department.setDname("研发");
            departmentService.update(department);
        }
    
    
    
    }

## IDepartmentDaoTest ##

package com.lbl.dao;
    
    import com.lbl.domain.Department;
    import junit.framework.TestCase;
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.test.context.ContextConfiguration;
    import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    
    import java.util.List;
    
    
    @RunWith(SpringJUnit4ClassRunner.class)
    @ContextConfiguration("classpath:applicationContext.xml")
    public class IDepartmentDaoTest extends TestCase { 
    
        @Autowired
        IDepartmentDao departmentDao;
    
        @Test
        public void testFindAll() { 
            List<Department> result = departmentDao.findAll();
            System.out.println(result);
        }
        @Test
        public void testFindById() { 
            Department result = departmentDao.findById(5);
            System.out.println(result);
        }
    
        @Test
        public void testSave() { 
            Department department = new Department("测试1");
            departmentDao.save(department);
        }
    
        @Test
        public void testDelete(){ 
            departmentDao.deleteById(7);
        }
    
        @Test
        public void testUpdate(){ 
            Department department = departmentDao.findById(5);
            department.setDname("研发");
            departmentDao.update(department);
        }
    
    
    }

## Department ##

/**
     * Created by 李柏霖
     * 2020/10/18 20:33
     */
    
    package com.lbl.domain;
    
    import lombok.AllArgsConstructor;
    import lombok.Data;
    import lombok.NoArgsConstructor;
    
    @Data
    @AllArgsConstructor
    @NoArgsConstructor
    public class Department {
        private Integer did;
        private String dname;
    
        public Department(String dname) {
            this.dname = dname;
        }
    }

## IDepartmentService ##

/** * Created by 李柏霖 * 2020/10/18 20:34 */
    
    package com.lbl.service;
    
    import com.lbl.domain.Department;
    
    import java.util.List;
    
    public interface IDepartmentService { 
        List<Department> findAll();
    
        Department findById(Integer did);
    
        void save(Department department);
    
        void saveDepartments(List<Department> departments);
    
        void deleteById(Integer did);
    
        void update(Department department);
    
    
    }

## DepartmentServiceImpl ##

/** * Created by 李柏霖 * 2020/10/18 20:35 */
    
    package com.lbl.service.Impl;
    
    import com.lbl.dao.IDepartmentDao;
    import com.lbl.domain.Department;
    import com.lbl.service.IDepartmentService;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    
    import java.util.List;
    
    @Service
    public class DepartmentServiceImpl implements IDepartmentService { 
    
    
    
        @Autowired
        IDepartmentDao departmentDao;
    
        @Override
        public List<Department> findAll() { 
            return departmentDao.findAll();
        }
    
        @Override
        public void save(Department department) { 
            departmentDao.save(department);
        }
    
    
    
        @Override
        public void saveDepartments(List<Department> departments) { 
            for (int i = 0; i <departments.size() ; i++) { 
                departmentDao.save(departments.get(i));
            }
    
        }
    
        @Override
        public void deleteById(Integer did) { 
            departmentDao.deleteById(did);
        }
    
        @Override
        public Department findById(Integer did) { 
            return departmentDao.findById(did);
        }
    
        @Override
        public void update(Department department) { 
            departmentDao.update(department);
        }
    }

## IDepartmentDao ##

/**
     * Created by 李柏霖
     * 2020/10/18 20:33
     */
    
    package com.lbl.dao;
    
    import com.lbl.domain.Department;
    import org.springframework.stereotype.Repository;
    
    import java.util.List;
    
    @Repository
    public interface IDepartmentDao {
        List<Department> findAll();
    
        Department findById(Integer did);
    
        void save(Department department);
    
        void deleteById(Integer did);
    
        void update(Department department);
    }

## IDepartment.xml ##

<?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
    <mapper namespace="com.lbl.dao.IDepartmentDao">
    
    
        <select id="findAll" resultType="department">
            select * from department;
        </select>
    
        <select id="findById" parameterType="int" resultType="department">
            select * from department where did=#{did};
        </select>
    
        <insert id="save" parameterType="department">
            insert into department values(null,#{dname})
        </insert>
    
        <delete id="deleteById" parameterType="int">
            delete from department where did = #{did}
        </delete>
    
        <update id="update" parameterType="department">
            update department set dname=#{dname} WHERE did=#{did}
        </update>
    
    </mapper>

## 员工 ##

## TestEmployeeService ##

/** * Created by 李柏霖 * 2020/10/16 19:37 */
    
    package com.lbl.service;
    
    import com.lbl.domain.Employee;
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.test.context.ContextConfiguration;
    import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    
    import java.util.ArrayList;
    import java.util.List;
    
    @RunWith(SpringJUnit4ClassRunner.class)
    @ContextConfiguration("classpath:applicationContext.xml")
    public class TestEmployeeService { 
    
        @Autowired
        IEmployeeService employeeService;
    
        @Test
        public void findAll(){ 
            List<Employee> list = employeeService.findAll();
            System.out.println(list);
        }
    
        @Test
        public void save(){ 
            Employee employee = new Employee("李柏霖save",1,1);
            employeeService.save(employee);
        }
    
        @Test
        public void testSavePersons() { 
            ArrayList<Employee> list = new ArrayList<>();
            Employee employee1 = new Employee("李柏霖1",1,1);
            Employee employee2 = new Employee("李柏霖2",1,1);
            Employee employee3 = new Employee("李柏霖3",1,1);
            list.add(employee1);
            list.add(employee2);
            list.add(employee3);
            employeeService.savePersons(list);
        }
    
        @Test
        public void testDeleteById(){ 
            employeeService.deleteById(6);
        }
    
    }

## IEmployeeDaoTest ##

package com.lbl.dao;
    
    import com.lbl.domain.Employee;
    import junit.framework.TestCase;
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.test.context.ContextConfiguration;
    import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    
    import java.util.List;
    
    @RunWith(SpringJUnit4ClassRunner.class)
    @ContextConfiguration("classpath:applicationContext.xml")
    public class IEmployeeDaoTest extends TestCase { 
    
        @Autowired
        IEmployeeDao employeeDao;
    
        @Test
        public void testFindAll() { 
            List<Employee> list = employeeDao.findAll();
            System.out.println(list);
        }
    
        @Test
        public void testFindById() { 
            Employee employee = employeeDao.findById(1);
            System.out.println(employee);
        }
    
        @Test
        public void testSave() { 
            Employee employee = new Employee("李柏霖",1,1);
            employeeDao.save(employee);
        }
    
        @Test
        public void deleteById(){ 
            employeeDao.deleteById(7);
        }
    
        @Test
        public void update(){ 
            Employee employee = employeeDao.findById(5);
            employee.setEname("苏沙");
            employee.setGander(0);
            employeeDao.update(employee);
        }
        @Test
        public void update2(){ 
            Employee employee = new Employee();
            employee.setEid(5);
            employee.setEname("苏沙");
            employee.setGander(0);
            employeeDao.update(employee);
        }
    
    }

## IEmployeeDao ##

/** * Created by 李柏霖 * 2020/10/18 20:33 */
    
    package com.lbl.dao;
    
    import com.lbl.domain.Employee;
    import org.springframework.stereotype.Repository;
    
    import java.util.List;
    
    @Repository
    public interface IEmployeeDao { 
        List<Employee> findAll();
    
        Employee findById(Integer eid);
    
        void save(Employee employee);
    
        void deleteById(Integer eid);
    
        void update(Employee employee);
    }

## IEmployeeService ##

/** * Created by 李柏霖 * 2020/10/18 20:34 */
    
    package com.lbl.service;
    
    import com.lbl.domain.Employee;
    
    import java.util.List;
    
    public interface IEmployeeService { 
        List<Employee> findAll();
    
        Employee findById(Integer eid);
    
        void save(Employee employee);
    
        void savePersons(List<Employee> employees);
    
        void deleteById(Integer eid);
    
        void update(Employee employee);
    }

## EmployeeServiceImpl ##

/** * Created by 李柏霖 * 2020/10/18 20:35 */
    
    package com.lbl.service.Impl;
    
    import com.lbl.dao.IEmployeeDao;
    import com.lbl.domain.Employee;
    import com.lbl.service.IEmployeeService;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    
    import java.util.List;
    
    @Service
    public class EmployeeServiceImpl implements IEmployeeService { 
    
        @Autowired
        IEmployeeDao employeeDao;
    
        @Override
        public List<Employee> findAll() { 
            return employeeDao.findAll();
        }
    
        @Override
        public Employee findById(Integer eid) { 
            return employeeDao.findById(eid);
        }
    
        @Override
        public void save(Employee employee) { 
            employeeDao.save(employee);
        }
    
    
    
        @Override
        public void savePersons(List<Employee> employees) { 
            for (int i = 0; i <employees.size() ; i++) { 
                employeeDao.save(employees.get(i));
            }
        }
    
        @Override
        public void deleteById(Integer eid) { 
            employeeDao.deleteById(eid);
        }
    
        @Override
        public void update(Employee employee) { 
            employeeDao.update(employee);
        }
    }

## IEmployeeDao.xml ##

<?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
    <mapper namespace="com.lbl.dao.IEmployeeDao">
    
    
        <select id="findAll" resultType="employee">
                select * from employee;
        </select>
    
        <select id="findById" parameterType="int" resultType="employee">
                select * from employee where eid=#{eid};
        </select>
    
        <insert id="save" parameterType="employee">
            insert into employee values(null,#{ename},#{gander},#{did})
        </insert>
    
        <delete id="deleteById" parameterType="int">
            delete from employee where eid=#{cid}
        </delete>
    
        <update id="update" parameterType="employee">
            update employee
            <set>
                <if test="ename!=null">ename=#{ename},</if>
                <if test="gander!=null">gander=#{gander},</if>
                <if test="did!=null">did=#{did},</if>
            </set>
            where eid=#{eid}
        </update>
    </mapper>

## 页面 ##

## list.jsp ##

<%--
      Created by IntelliJ IDEA.
      User: Carlos
      Date: 2020/10/18
      Time: 20:56
      To change this template use File | Settings | File Templates.
    --%>
    <%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
    <html>
    <head>
        <title>Title</title>
    </head>
    <body>
    <table border="1px" width="100%">
        <tr>
            <th>编号</th>
            <th>姓名</th>
            <th>性别</th>
            <th>部门ID</th>
            <th>操作1</th>
            <th>操作2</th>
    
        </tr>
        <c:forEach items="${employeeList}" var="employee">
            <tr>
                <td>${employee.eid}</td>
                <td>${employee.ename}</td>
                <td>${employee.gander}</td>
                <td>${employee.did}</td>
                <td><a href="${pageContext.request.contextPath}/employee/delete?eid=${employee.eid}">删除</a></td>
                <td><a href="${pageContext.request.contextPath}/employee/updateUI?eid=${employee.eid}">修改</a></td>
            </tr>
        </c:forEach>
    </table>
    </body>
    </html>

\#\#updateUI.jsp

<%--
      Created by IntelliJ IDEA.
      User: Carlos
      Date: 2020/10/18
      Time: 21:43
      To change this template use File | Settings | File Templates.
    --%>
    <%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
    <html>
    <head>
        <title>updateUI</title>
    </head>
    <body>
    ${employee}
    <form method="post" action="${pageContext.request.contextPath}/employee/update">
        <input type="text" name="eid" value="${employee.eid}" hidden>
        eid:<input type="text" name="eid" value="${employee.eid}" disabled><br>
        ename:<input type="text" name="ename" value="${employee.ename}"><br>
        gander:<input type="text" name="gander" value="${employee.gander}"><br>
        did:<input type="text" name="did" value="${employee.did}"><br>
        <input type="submit" value="保存">
    </form>
    </body>
    </html>

## EmployeeController ##

/** * Created by 李柏霖 * 2020/10/18 20:49 */
    
    package com.lbl.Controller;
    
    import com.lbl.domain.Department;
    import com.lbl.domain.Employee;
    import com.lbl.service.IDepartmentService;
    import com.lbl.service.IEmployeeService;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.Model;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RequestMethod;
    
    import java.util.List;
    
    @Controller
    @RequestMapping("/employee")
    public class EmployeeController { 
    
        @Autowired
        private IEmployeeService employeeService;
    
        @RequestMapping(path = "/list",method = { RequestMethod.GET,RequestMethod.POST})
        public String list(Model model){ 
            System.out.println("employee....list.....run");
            //显示所有的person数据
            List<Employee> employeeList = employeeService.findAll();
            System.out.println(employeeList);
            model.addAttribute("employeeList",employeeList);
            return "list";
        }
    
        @RequestMapping(path = "/delete",method = { RequestMethod.GET,RequestMethod.POST})
        public String delete(Integer eid){ 
            System.out.println("employee....delete.....run");
            //显示所有的person数据
            employeeService.deleteById(eid);
            return "redirect:list";
        }
    
    
        @RequestMapping(path = "/updateUI",method = { RequestMethod.GET,RequestMethod.POST})
        public String updateUI(Integer eid,Model model){ 
            System.out.println("employee....updateUI.....run");
            //显示所有的person数据
            Employee employee = employeeService.findById(eid);
            model.addAttribute("employee",employee);
            return "updateUI";
        }
    
        @RequestMapping(path = "/update",method = { RequestMethod.GET,RequestMethod.POST})
        public String update(Employee employee){ 
            System.out.println("employee....update.....run");
            //显示所有的person数据
            employeeService.update(employee);
            return "redirect:list";
        }
    }

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