概述
用idea搭建spring+springmvc+hibernate+maven项目
设置maven地址:
设置项目名和项目存放的位置。
点击Finish,选择本窗口或者新窗口打开。
如果成功后自动下载jar包。
手动导入一个jar包或者自动导入jar包
创建目录
导入配置文件
- db.properties
driverClassName=com.mysql.jdbc.Driver
validationQuery=SELECT 1
#url=jdbc:mysql://localhost:3306/mydb1?useUnicode=true&characterEncoding=UTF-8"
url=jdbc:mysql://localhost:3306/SysAuthority?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull
username=root
password=root
#雷区--可以对数据库库中的表进行修改
hibernate.hbm2ddl.auto=update
hibernate.dialect=org.hibernate.dialect.MySQLDialect
hibernate.show_sql=true
hibernate.format_sql=false
- log4j.properties
# rootLogger是所有日志的根日志,修改该日志属性将对所有日志起作用
# 下面的属性配置中,所有日志的输出级别是info,输出源是con
log4j.rootLogger=info,con
# 定义输出源的输出位置是控制台
log4j.appender.con=org.apache.log4j.ConsoleAppender
# 定义输出日志的布局采用的类
log4j.appender.con.layout=org.apache.log4j.PatternLayout
# 定义日志输出布局
log4j.appender.con.layout.ConversionPattern=%d{MM-dd HH:mm:ss}[%p]%c%n -%m%n
- spring-common.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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
">
<!-- 自动扫描dao和service包(自动注入) -->
<context:component-scan base-package="com.shp" >
<!-- 不扫描控制层 -->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!--注册 hibernate的配置文件 -->
<!--<import resource="spring-hibernate.xml"></import>-->
</beans>
- spring-hibernate.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"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
">
<!-- 引入properties文件 -->
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location">
<value>classpath:db.properties</value>
</property>
</bean>
<!-- 配置数据库信息 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="${driverClassName}" />
<property name="url" value="${url}" />
<property name="username" value="${username}" />
<property name="password" value="${password}" />
</bean>
<!-- session工厂 -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan" value="com.shp.dev.**.pojo" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
<!-- 谨慎使用每次运行创建一个表 -->
<!--<prop key="hibernate.hbm2ddl.auto">create</prop>-->
<prop key="hibernate.current_session_context_class">org.springframework.orm.hibernate4.SpringSessionContext</prop>
</props>
</property>
</bean>
<!-- 配置事务 -->
<bean name="txManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<tx:annotation-driven transaction-manager="txManager" />
</beans>
- springmvc-servlet.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: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 http://www.springframework.org/schema/context/spring-context-4.3.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd">
<!-- springMVC的顶级包 -->
<!-- 只扫描控制层所在包,否则,会出现事务的失效 -->
<context:component-scan base-package="com.shp.**.web">
<!-- 防止SpringMVC和SpringIOC对同一个对象的管理重合 -->
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 对静态文件:js,html,gif,jpg,css 不拦截 -->
<mvc:default-servlet-handler />
<!-- 注解支持 -->
<mvc:annotation-driven />
<!-- 视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
id="internalResourceViewResolver">
<!-- 前缀 -->
<!-- user/user_add -->
<!-- 前缀 -->
<property name="prefix" value="/" />
<!-- 后缀 -->
<property name="suffix" value=".jsp" />
</bean>
</beans>
- pom 中添加jar包依赖
<?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>
<!-- 组名 -->
<groupId>com.shp.dev</groupId>
<!-- 模块名 -->
<artifactId>Demo</artifactId>
<!-- 版本 -->
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>Demo Maven Webapp</name>
<!-- 修改为项目的网站 -->
<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>4.3.10.RELEASE</spring.version>
</properties>
<dependencies>
<!-- 添加spring的依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</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>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- log4j 日志 -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!-- mysql数据库的驱动包 start -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
<!-- 引入jstl包 -->
<!-- jstl -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<!-- 引入servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<!-- 引入数据库连接池 -->
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>commons-pool</groupId>
<artifactId>commons-pool</artifactId>
<version>1.6</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.3.11.Final</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
</dependency>
<!-- 格式化对象,方便输出日志 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.41</version>
</dependency>
<!-- 转换json -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.3</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.3</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.9.3</version>
</dependency>
</dependencies>
<build>
<finalName>SysAuthority</finalName>
<pluginManagement><!-- 锁定插件版本以避免使用Maven默认值(可以移动到父pom -->
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<!-- maven 相关配置: http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.1</version>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>3.2.2</version>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.5.2</version>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.8.2</version>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
- 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>
<!-- 指定spring配置文件的位置 -->
<param-value>classpath*:spring-*.xml</param-value>
</context-param>
<!-- 配置字符编码过滤器 -->
<filter>
<filter-name>encoding</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>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 配置springWeb的监听器,在服务启动时,加载spring配置文件,创建相关的对象 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<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-servlet.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
添加Tomcate的运行
修改访问的地址
- user表
SET FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for `user`
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`uname` varchar(255) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
- 实体类
package com.shp.dev.user.pojo;
import javax.persistence.*;
/**
* * 所有的注解都是使用JPA的规范提供的注解,
* * 所以在导入注解包的时候,一定要导入javax.persistence下的
*/
@Entity //声明实体类
@Table(name="user") //建立实体类和表的映射关系
public class User {
@Id// 声明当前私有属性为主键
@GeneratedValue(strategy= GenerationType.IDENTITY) //配置主键的生成策略
@Column
private Integer id;
@Column(name="uname")//和数据库字段不同时
//@Column//和数据库字段相同时。
private String name;
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 User() {
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", name='" + name + ''' +
'}';
}
}
- dao接口
package com.shp.dev.user.dao;
import com.shp.dev.user.pojo.User;
import java.util.List;
public interface UserDao {
/**
* 查询所有。
* @return
*/
List<User> userList();
}
- dao的实现
package com.shp.dev.user.dao;
import com.shp.dev.user.pojo.User;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository("userDao")//service层注入时用
public class UserDaoImpl implements UserDao{
@Autowired
private SessionFactory sessionFactory;
@Override
public List<User> userList() {
//获取session工厂,查询所有
return sessionFactory.getCurrentSession().createQuery("from User").list();
}
}
- service 接口
package com.shp.dev.user.service;
import com.shp.dev.user.pojo.User;
import java.util.List;
public interface UserService {
/**
* 查询所有。
* @return
*/
List<User> userList();
}
- service 接口实现层
package com.shp.dev.user.service;
import com.shp.dev.user.dao.UserDao;
import com.shp.dev.user.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
//@Transactional(rollbackFor = Exception.class)//整个类都起事务
@Service("userService")//控制成调用时用。
public class UserServiceImpl implements UserService{
//@Transactional(readOnly = true)//只读事务
//@Transactional(rollbackFor = Exception.class)//启动事务,所有异常都回滚
//注入dao层
@Autowired
private UserDao userDao;
@Transactional(rollbackFor = Exception.class)//启动事务,所有异常都回滚
@Override
public List<User> userList() {
return userDao.userList();
}
}
- 控制层
package com.shp.dev.user.web;
import com.shp.dev.user.pojo.User;
import com.shp.dev.user.service.UserService;
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.ResponseBody;
import java.util.List;
@Controller
@RequestMapping("/user")
public class UserController {
@Autowired
private UserService userService;
@RequestMapping("/query")
@ResponseBody // 返回json对象
public List<User> query(){
return userService.userList();
}
}
- 启动服务器
- 打上地址回车
- 效果如下
最后
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