SSM整合 - ToB企服应用市场:ToB评测及商务社交产业平台

<?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">
<modelVersion>4.0.0</modelVersion>
<groupId>online.liaojy</groupId>
<artifactId>spring_springmvc_mybatis</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<spring.version>5.3.1</spring.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${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-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.7</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.6</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.9</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>5.1.49</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.12.1</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring5</artifactId>
<version>3.0.12.RELEASE</version>
</dependency>
</dependencies>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>SpringMVC</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>SpringMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>

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<?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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:component-scan base-package="online.liaojy.ssm.controller"></context:component-scan>
<bean id="viewResolver" >
<property name="order" value="1"/>
<property name="characterEncoding" value="UTF-8"/>
<property name="templateEngine">
<bean >
<property name="templateResolver">
<bean
>
<property name="prefix" value="/WEB-INF/templates/"/>
<property name="suffix" value=".html"/>
<property name="templateMode" value="HTML5"/>
<property name="characterEncoding" value="UTF-8" />
</bean>
</property>
</bean>
</property>
</bean>
<mvc:default-servlet-handler></mvc:default-servlet-handler>
<mvc:annotation-driven></mvc:annotation-driven>
<mvc:view-controller path="/" view-name="index"></mvc:view-controller>
</beans>

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package online.liaojy.ssm.controller;
import org.springframework.stereotype.Controller;
/**
* @author liaojy
* @date 2023/12/3 - 18:32
*/
@Controller
public class EmployeeController {
}

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<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>首页</title>
</head>
<body>
<h1>index.html</h1>
</body>
</html>

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jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssm?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root

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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<properties resource="jdbc.properties"/>
<settings>
<setting name="mapUnderscoreToCamelCase" value="true"/>
<setting name="cacheEnabled" value="true"/>
</settings>
<typeAliases>
<package name="online.liaojy.ssm.pojo"/>
</typeAliases>
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor"></plugin>
</plugins>
<environments default="development">
<environment id="development">
<transactionManager type="JDBC"/>
<dataSource type="POOLED">
<property name="driver" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</dataSource>
</environment>
</environments>
<mappers>
<package name="online.liaojy.ssm.mapper"/>
</mappers>
</configuration>

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package online.liaojy.ssm.mapper;
/**
* @author liaojy
* @date 2023/12/4 - 7:00
*/
public interface EmployeeMapper {
}

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[/code][size=4]1.15、创建Spring的配置文件[/size]
[img]https://img2023.cnblogs.com/blog/2052479/202312/2052479-20231204172920582-339752083.png[/img]
[code]<?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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:component-scan base-package="online.liaojy.ssm.controller"></context:component-scan>
<bean id="viewResolver" >
<property name="order" value="1"/>
<property name="characterEncoding" value="UTF-8"/>
<property name="templateEngine">
<bean >
<property name="templateResolver">
<bean
>
<property name="prefix" value="/WEB-INF/templates/"/>
<property name="suffix" value=".html"/>
<property name="templateMode" value="HTML5"/>
<property name="characterEncoding" value="UTF-8" />
</bean>
</property>
</bean>
</property>
</bean>
<mvc:default-servlet-handler></mvc:default-servlet-handler>
<mvc:annotation-driven></mvc:annotation-driven>
<mvc:view-controller path="/" view-name="index"></mvc:view-controller>
</beans>

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package online.liaojy.ssm.service;
/**
* @author liaojy
* @date 2023/12/4 - 20:32
*/
public interface EmployeeService {
}

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package online.liaojy.ssm.service.impl;
import online.liaojy.ssm.service.EmployeeService;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
/**
* @author liaojy
* @date 2023/12/4 - 20:34
*/
@Service
@Transactional
public class EmployeeServiceImpl implements EmployeeService {
}

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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
<appender name="STDOUT" >
<param name="Encoding" value="UTF-8" />
<layout >
<param name="ConversionPattern" value="%-5p %d{MM-dd HH:mm:ss,SSS} %m (%F:%L) \n" />
</layout>
</appender>
<logger name="java.sql">
<level value="debug" />
</logger>
<logger name="org.apache.ibatis">
<level value="info" />
</logger>
<root>
<level value="debug" />
<appender-ref ref="STDOUT" />
</root>
</log4j:configuration>

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CREATE TABLE `t_emp` (
`emp_id` int(11) NOT NULL AUTO_INCREMENT,
`emp_name` varchar(20) DEFAULT NULL,
`age` int(11) DEFAULT NULL,
`sex` char(1) DEFAULT NULL,
`email` varchar(50) DEFAULT NULL,
PRIMARY KEY (`emp_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8

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insert into t_emp (emp_name,age,sex,email) values ('a',18,'男','11@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('b',19,'男','22@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('c',20,'男','33@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('d',21,'男','44@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('e',22,'男','55@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('f',23,'男','66@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('g',24,'男','77@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('h',25,'男','88@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('i',26,'男','99@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('j',27,'男','00@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('k',28,'男','111@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('l',29,'男','222@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('m',30,'男','333@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('n',31,'男','444@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('o',32,'男','555@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('p',33,'男','666@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('q',34,'男','777@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('r',35,'男','888@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('s',36,'男','999@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('t',37,'男','000@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('u',38,'男','1111@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('v',39,'男','2222@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('w',40,'男','3333@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('x',41,'男','4444@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('y',42,'男','5555@qq.com');
insert into t_emp (emp_name,age,sex,email) values ('z',43,'男','6666@qq.com');

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package online.liaojy.ssm.pojo;
import java.io.Serializable;
/**
* @author liaojy
* @date 2023/12/4 - 23:06
*/
public class Employee implements Serializable {
private Integer empId;
private String empName;
private Integer age;
private String sex;
private String email;
public Employee() {
}
public Employee(Integer empId, String empName, Integer age, String sex, String email) {
this.empId = empId;
this.empName = empName;
this.age = age;
this.sex = sex;
this.email = email;
}
public Integer getEmpId() {
return empId;
}
public void setEmpId(Integer empId) {
this.empId = empId;
}
public String getEmpName() {
return empName;
}
public void setEmpName(String empName) {
this.empName = empName;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return "Employee{" +
"empId=" + empId +
", empName='" + empName + '\'' +
", age=" + age +
", sex='" + sex + '\'' +
", email='" + email + '\'' +
'}';
}
}

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/**
* 查询所有员工信息
* @return
*/
List<Employee> getAllEmployee();

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<select id="getAllEmployee" resultType="Employee">
select * from t_emp
</select>

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/**
* 查询所有员工信息
* @return
*/
List<Employee> getAllEmployee();

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@Autowired
EmployeeMapper employeeMapper;
public List<Employee> getAllEmployee() {
return employeeMapper.getAllEmployee();
}

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@Autowired
EmployeeService employeeService;
@GetMapping("/employee")
public String getAllEmployee(Model model){
// 查询所有员工信息
List<Employee> employees = employeeService.getAllEmployee();
//将员工信息共享到请求域
model.addAttribute("employees",employees);
//跳转到员工列表页面employee_list.html
return "employee_list";
}

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<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>员工列表</title>
</head>
<body>
<table border="10">
<tr>
<th colspan="7">员工列表</th>
</tr>
<tr>
<th>序号</th>
<th>员工id</th>
<th>员工姓名</th>
<th>员工年龄</th>
<th>员工性别</th>
<th>员工邮箱</th>
<th>操作(<a target="_blank" href="https://www.cnblogs.com/">添加员工</a>)</th>
</tr>
<tr th:each="employee,status : ${employees}">
<td th:text="${status.count}"></td>
<td th:text="${employee.empId}"></td>
<td th:text="${employee.empName}"></td>
<td th:text="${employee.age}"></td>
<td th:text="${employee.sex}"></td>
<td th:text="${employee.email}"></td>
<td>
<a target="_blank" href="https://www.cnblogs.com/">修改员工</a>
<a target="_blank" href="https://www.cnblogs.com/">删除员工</a>
</td>
</tr>
</table>
</body>
</html>

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<a th:target="_blank" href="https://www.cnblogs.com/@{/employee}">查询所有员工信息</a>

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/**
* 分页查询所有员工信息
* @param pageNum
* @return
*/
PageInfo<Employee> getAllEmployeeWithPage(Integer pageNum,Integer pageSize);

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public PageInfo<Employee> getAllEmployeeWithPage(Integer pageNum,Integer pageSize) {
// 在查询之前，开启分页功能，并设置当前页的页码和每页的数据条数
PageHelper.startPage(pageNum,pageSize);
// 查询所有的员工信息（）
// 分页插件会在查询前先进行拦截，添加相关的sql分页代码后（因此在mapper映射文件编写的sql不能使用分号结束），再放行
List<Employee> employees = employeeMapper.getAllEmployee();
// 根据分页数据（employees）和分页导航的页码数（navigatePages），创建分页数据对象
PageInfo<Employee> employeePageInfo = new PageInfo<Employee>(employees, 5);
return employeePageInfo;
}

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@GetMapping(value = {"/employee/page/{pageNum}","/employee/page/{pageNum}/{pageSize}"})
public String getAllEmployeeWithPage(Model model,
@PathVariable("pageNum") Integer pageNum,
@PathVariable(value = "pageSize",required = false) Integer pageSize){
// 判断请求中是否有设置每页的数据条数，没有的话就给一个默认值
if (pageSize == null){
pageSize = 4;
}
// 根据当前页的页码，分页查询所有员工信息
PageInfo<Employee> employeePageInfo = employeeService.getAllEmployeeWithPage(pageNum,pageSize);
//将分页数据共享到请求域
model.addAttribute("employeePageInfo",employeePageInfo);
//跳转到员工列表分页的页面employee_page.html
return "employee_page";
}

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<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>员工列表</title>
</head>
<body>
<table border="10">
<tr>
<th colspan="7">员工列表</th>
</tr>
<tr>
<th>序号</th>
<th>员工id</th>
<th>员工姓名</th>
<th>员工年龄</th>
<th>员工性别</th>
<th>员工邮箱</th>
<th>操作(<a target="_blank" href="https://www.cnblogs.com/">添加员工</a>)</th>
</tr>
<tr th:each="employee,status : ${employees}">
<td th:text="${status.count}"></td>
<td th:text="${employee.empId}"></td>
<td th:text="${employee.empName}"></td>
<td th:text="${employee.age}"></td>
<td th:text="${employee.sex}"></td>
<td th:text="${employee.email}"></td>
<td>
<a target="_blank" href="https://www.cnblogs.com/">修改员工</a>
<a target="_blank" href="https://www.cnblogs.com/">删除员工</a>
</td>
</tr>
</table>
</body>
</html> [url=https://www.cnblogs.com/@{/employee/page/1}]首页[/url] [url=https://www.cnblogs.com/@{]上一页[/url] [url=https://www.cnblogs.com/@{]下一页[/url] [url=https://www.cnblogs.com/@{]末页[/url]

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<a th:target="_blank" href="https://www.cnblogs.com/@{/employee/page/1}">分页查询所有员工信息</a>

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