ssm整合案例
2021/12/15 6:23:19
本文主要是介绍ssm整合案例，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！
1.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">
<modelVersion>4.0.0</modelVersion>
<groupId>edu.tjdz</groupId>
<artifactId>ch07-ssm</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<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>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!--servlet依赖-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<!--jsp依赖-->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2.1-b03</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.2.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.2.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.2.5.RELEASE</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.0</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.1</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.25</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.12</version>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/java</directory><!--所在的目录-->
<includes><!--包括目录下的.properties，.xml 文件都会扫描到-->
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
2. 前端代码
2.1.index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
String basePath = request.getScheme() + "://" + //获取协议
request.getServerName() + ":" + request.getServerPort() + //服务器名字和端口
request.getContextPath() + "/"; //返回站点的跟路劲
%>
<html>
<head>
<title>学生注册页面</title>
<base href="<%=basePath%>" />
</head>
<body>
<div align="center">
<p>SSM整合的例子</p>
<img src="images/ssm.png" />
<table>
<tr>
<td><a href="addStudent.jsp">注册学生</a></td>
</tr>
<tr>
<td><a href="listStudent.jsp">浏览学生</a></td>
</tr>
</table>
</div>
</body>
</html>
2.2.insert
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
String basePath = request.getScheme() + "://" +
request.getServerName() + ":" +request.getServerPort() +
request.getContextPath() + "/";
%>
<html>
<head>
<title>注册学生</title>
<base href="<%=basePath%>" />
</head>
<body>
<div align="center">
<form action="student/addStudent.do" method="post">
<table>
<tr>
<td>姓名:</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td>年龄:</td>
<td><input type="text" name="age"></td>
</tr>
<tr>
<td> </td>
<td><input type="submit" value="注册"/></td>
</tr>
</table>
</form>
</div>
</body>
</html>
2.3
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
String basePath = request.getScheme() + "://" +
request.getServerName() + ":" +request.getServerPort() +
request.getContextPath() + "/";
%>
<html>
<head>
<title>注册学生</title>
<base href="<%=basePath%>" />
</head>
<body>
<div align="center">
<form action="student/addStudent.do" method="post">
<table>
<tr>
<td>姓名:</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td>年龄:</td>
<td><input type="text" name="age"></td>
</tr>
<tr>
<td> </td>
<td><input type="submit" value="注册"/></td>
</tr>
</table>
</form>
</div>
</body>
</html>
3.web.xml
<?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">
<!--注册中央调度器-->
<servlet>
<servlet-name>myweb</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:conf/dispatcherServlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>myweb</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<!--注册监听器-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:conf/applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--注册字符集过滤器-->
<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>forceRequestEncoding</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>forceResponseEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
4.applicationCon
<?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:content="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/context
https://www.springframework.org/schema/context/spring-context.xsd">
<!--spring配置文件：声明service，dao，工具类对象-->
<context:property-placeholder location="classpath:conf/jdbc.properties" />
<!--声明数据源，连接数据库-->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
init-method="init" destroy-method="close">
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!--声明SqlSessionFactoryBean创建SqlSession-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="configLocation" value="classpath:conf/mybatis.xml"/>
</bean>
<!--声明mybatis的扫描器，创建dao对象-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
<property name="basePackage" value="edu.tjdz.dao"/>
</bean>
<!--声明service的注解@Service所在的包名位置-->
<content:component-scan base-package="edu.tjdz.service" />
</beans>
5.dispatch
<?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:content="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">
<!--springmvc配置文件，声明controller和其它web相关的对象-->
<content:component-scan base-package="edu.tjdz.controller" />
<!--视图解析器-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
</bean>
<!--注解驱动-->
<mvc:annotation-driven />
<!--
1.响应ajax请求，返回json
2.解决经验资源访问问题
-->
</beans>
6.mybatis
<?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>
<!--settings：控制mybatis的全局行为-->
<!--<settings>
<!–设置mybatis输出日志–>
<setting name="logImpl" value="STDOUT_LOGGING"></setting>
</settings>-->
<!--设置别名-->
<typeAliases>
<!--name：实体所在的包名（不是实体类的包名也可以）-->
<package name="edu.tjdz.domian"/>
</typeAliases>
<!--sql mapper（sql映射文件）的位置-->
<mappers>
<!--
name：是包名，这个包中所有的mapper.xml一次都能加载
使用package的要求：
1.mapper文件名称和dao接口名称完全一样，包括大小写
2.mapper文件和dao接口必须在同一目录
-->
<package name="edu.tjdz.dao"/>
</mappers>
</configuration>
7.实体类
package edu.tjdz.domian;
public class Student {
private Integer id;
private String name;
private Integer age;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
}
8.dao
package edu.tjdz.dao;
import edu.tjdz.domian.Student;
import java.util.List;
public interface StudentDao {
int insertStudent(Student student);
List<Student> selectStudents();
}
<?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="edu.tjdz.dao.StudentDao">
<select id="selectStudents" resultType="Student">
select id,name,age from student order by id desc;
</select>
<insert id="insertStudent">
insert into student(name,age) values(#{name},#{age})
</insert>
</mapper>
7. service
package edu.tjdz.service;
import edu.tjdz.domian.Student;
import java.util.List;
public interface StudentService {
int addStudent(Student student);
List<Student> findStudents();
}
package edu.tjdz.service.ImpI;
import edu.tjdz.dao.StudentDao;
import edu.tjdz.domian.Student;
import edu.tjdz.service.StudentService;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import java.util.List;
@Service
public class StudentServiceImpl implements StudentService {
//引用类型自动注入@Autowired,@Resource
@Resource
private StudentDao studentDao;
@Override
public int addStudent(Student student) {
int nums = studentDao.insertStudent(student);
return nums;
}
@Override
public List<Student> findStudents() {
return studentDao.selectStudents();
}
}
8.controller
package edu.tjdz.controller;
import edu.tjdz.domian.Student;
import edu.tjdz.service.StudentService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
import javax.annotation.Resource;
import java.util.List;
@Controller
@RequestMapping("/student")
public class StudentController {
@Resource
private StudentService service;
//注册学生
@RequestMapping(value = "/addStudent.do",produces = "text/html;charset=UTF-8")
public ModelAndView addStudent(Student student){
ModelAndView mv = new ModelAndView();
String tips = "注册失败";
//调用Service处理student
int nums = service.addStudent(student);
if(nums > 0){
//注册成功
tips = "学生 【" +student.getName() + "】注册成功";
}
//添加数据
mv.addObject("tips",tips);
//指定结果页面
mv.setViewName("result");
return mv;
}
//处理查询，响应ajax
@RequestMapping("/queryStudent.do")
@ResponseBody
public List<Student> queryStudent(){
//参数检查，简单的数据处理
List<Student> students = service.findStudents();
return students;
}
}
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