ssm整合开发 动力节点王鹤版本
2024-04-16 20:00:15
目录
介绍
整合
1. pom.xml
2. web.xml
3. 新建包、目录、文件
4. applicationContext.xml
5. dispatcherServlet.xml
6. jdbc.properties
7. mybatis.xml
8. 写java代码
9. 写jsp代码
结束
介绍
来自 动力节点王鹤
功能：
- 添加学生
- 查询学生
mysql数据库设计
附创建语句
DROP TABLE IF EXISTS `student`;
CREATE TABLE `student` (`id` int(11) NOT NULL AUTO_INCREMENT,`name` varchar(80) DEFAULT NULL,`age` int(11) DEFAULT NULL,PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;整合
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>com.bjpowernode</groupId><artifactId>ch07</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--><dependency><groupId>javax.servlet</groupId><artifactId>javax.servlet-api</artifactId><version>3.1.0</version><scope>provided</scope></dependency><!--jsp--><dependency><groupId>javax.servlet.jsp</groupId><artifactId>javax.servlet.jsp-api</artifactId><version>2.3.1</version><scope>provided</scope></dependency><!--springmvc--><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>5.2.5.RELEASE</version></dependency><!--事务相关--><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><!--jackson--><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><!--mybatis--><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.5.6</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>1.3.1</version></dependency><!-- mysql --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.9</version></dependency><!-- druid --><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.12</version></dependency></dependencies><build><!--将src下以及resources目录下的properties、xml文件编译后写出到target目录--><resources><resource><directory>src/main/java</directory><includes><include>**/*.properties</include><include>**/*.xml</include></includes><filtering>false</filtering></resource><resource><directory>src/main/resources</directory><includes><include>**/*.properties</include><include>**/*.xml</include></includes><filtering>false</filtering></resource></resources></build>
</project>
2. 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"><!--配置springmvc DispatcherServlet中央调度器--><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:conf/dispatcherServlet.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>springMVC</servlet-name><url-pattern>*.do</url-pattern></servlet-mapping><!--注册spring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 强制utf-8编码--><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>3. 新建包、目录、文件
新建4个包 分别是controller,dao,domain,service
新建resources/config目录 以及该目录下的applicationContext.xml、dispatcherServlet.xml、jdbc.properties、mybatis.xml文件，分别表示spirng配置文件、spirngMVC配置文件、数据库连接信息文件、mybatis配置文件
新建src/main/webapp/WEB-INF/jsp目录 以及该目录下的result.jsp文件 该文件不希望被直接访问到
在src/main/webapp/目录中 新建index.jsp、addStudent.jsp、listStudent.jsp，分别表示导航首页、添加学生页，查询学生页。
4. applicationContext.xml
主要是配置service和dao
<?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"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"><!--获取数据库连接信息--><context:property-placeholder location="classpath:conf/jdbc.properties" /><!--使用druid数据源--><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><!--创建SqlSessionFactory--><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扫描器，创建dao对象--><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" /><property name="basePackage" value="com.bjpowernode.dao" /></bean><!--声明 service的注解@Service所在包的位置--><context:component-scan base-package="com.bjpowernode.service" /><!--事务配置（注解或aspectj）-->
</beans>5. dispatcherServlet.xml
配置spirngMVC，主要是组件controller、视图view的配置
<?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"><!--组件扫描器--><context:component-scan base-package="com.bjpowernode.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 /></beans>6. jdbc.properties
数据库连接信息 改成自己的
jdbc.url=jdbc:mysql://localhost:3306/mybatis
jdbc.username=root
jdbc.password=3337. mybatis.xml
配置mybatis
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configurationPUBLIC "-//mybatis.org//DTD Config 3.0//EN""http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration><!--开启mybatis日志--><settings><setting name="logImpl" value="STDOUT_LOGGING"/></settings><!--配置别名--><typeAliases><package name="com.bjpowernode.domain"/></typeAliases><!--声明mapper文件--><mappers><package name="com.bjpowernode.dao"/></mappers>
</configuration>8. 写java代码
文件内容如下：
StudentController
package com.bjpowernode.controller;import com.bjpowernode.domain.Student;
import com.bjpowernode.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 {@Resourceprivate StudentService service;//添加学生@RequestMapping("/addStudent.do")public ModelAndView addStudent(Student student){ModelAndView mv =new ModelAndView();String tips = "注册失败";//调用service处理int nums = service.addStudent(student);if(nums > 0){tips = "学生【"+student.getName()+"】注册成功";}//添加数据mv.addObject("tips", tips);//指定结果页面(逻辑名称)mv.setViewName("result");return mv;}//查询 返回json@RequestMapping("/queryStudent.do")@ResponseBodypublic List<Student> queryStudent(Student student){//省略参数检查以及数据处理List<Student> students = service.findStudents();return students;}
}
StudentDao
package com.bjpowernode.dao;import com.bjpowernode.domain.Student;import java.util.List;public interface StudentDao {int insertStudent(Student student);List<Student> selectStudents();
}
StudentDao.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapperPUBLIC "-//mybatis.org//DTD Mapper 3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.bjpowernode.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>Student.java
package com.bjpowernode.domain;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;}
}
StudentServiceImpl
package com.bjpowernode.service.impl;import com.bjpowernode.dao.StudentDao;
import com.bjpowernode.domain.Student;
import com.bjpowernode.service.StudentService;
import org.springframework.stereotype.Service;import javax.annotation.Resource;
import java.util.List;@Service
public class StudentServiceImpl implements StudentService {@Resourceprivate StudentDao studentDao;@Overridepublic int addStudent(Student student) {int nums = studentDao.insertStudent(student);return nums;}@Overridepublic List<Student> findStudents() {return studentDao.selectStudents();}
}
StudentService
package com.bjpowernode.service;import com.bjpowernode.domain.Student;import java.util.List;public interface StudentService {int addStudent(Student student);List<Student> findStudents();
}
9. 写jsp代码
result.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head><title>Title</title>
</head>
<body>
结果：${tips}
</body>
</html>
addStudent.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%String basePath = request.getScheme()+"://" +request.getServerName() + ":" + request.getServerPort() +request.getContextPath() + "/";
%>
<html>
<head><title>Title</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="提交"></td></tr></table></form></div>
</body>
</html>
index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%String basePath = request.getScheme()+"://" +request.getServerName() + ":" + request.getServerPort() +request.getContextPath() + "/";
%>
<html>
<head><title>Title</title><base href="<%=basePath%>"></head>
<body>
<table align="center"><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>
</body>
</html>
listStudent.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%String basePath = request.getScheme()+"://" +request.getServerName() + ":" + request.getServerPort() +request.getContextPath() + "/";
%>
<html>
<head><title>查询学生 使用ajax</title><base href="<%=basePath%>"><script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script><script type="text/javascript">$(function(){$.ajax({url:"student/queryStudent.do",dataType:"json",success:function(data){$.each(data, function(i,n){$("#info").append("<tr>").append("<td>"+n.id+"</td>").append("<td>"+n.name+"</td>").append("<td>"+n.age+"</td>").append("</tr>")})}})})</script>
</head>
<body><table align="center"><thead><tr><td>学号</td><td>姓名</td><td>年龄</td></tr></thead><tbody id="info"></tbody></table>
</body>
</html>
结束
http://localhost:8080/ch07_war_exploded/
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