Spring+SpringMVC+Hibernate整合

前几个星期老师在课堂上教了我们Spring和SpringMVC以及Hibernate，但自己一直没有实践过，所以今天就用Spring+SpringMVC+Hibernate整合做了一个用户登陆的模块，好让自己以后搞项目有一个可以参考的流程，期间主要参考的是下面这个博客

https://www.cnblogs.com/xuezhajun/p/7687230.html

第一步：构建一个Maven Web项目，至于怎么构建可以看我下面这篇博客

https://blog.youkuaiyun.com/weixin_41641941/article/details/90490133

第二步：添加Maven依赖（spring和hibernate版本均为4.0以上）

<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.ringo</groupId>
	<artifactId>ssh</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>ssh</name>
	<url>http://maven.apache.org</url>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<spring.version>4.2.6.RELEASE</spring.version>
		<junit.version>4.12</junit.version>
	</properties>
	
	<!-- spring+junit单元测试 begin -->
	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>${junit.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>4.1.2.RELEASE</version>
			<scope>test</scope>
		</dependency>
		<!-- spring+junit单元测试 end -->
		
		<!-- springframework 4 dependencies begin -->
		<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>
		<!-- springframework 4 dependencies end -->

		<!-- hibernate 配置 begin -->
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-core</artifactId>
			<version>4.2.3.Final</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/net.sf.ehcache/ehcache-core -->
		<dependency>
			<groupId>net.sf.ehcache</groupId>
			<artifactId>ehcache-core</artifactId>
			<version>2.4.3</version>
		</dependency>
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-ehcache</artifactId>
			<version>4.2.11.Final</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>1.6.1</version>
		</dependency>
		<!-- hibernate 配置 end -->

		<!-- 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 -->
		<dependency>
			<groupId>javax.servlet.jsp.jstl</groupId>
			<artifactId>jstl-api</artifactId>
			<version>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 -->
		<!--c3p0 start -->
		<dependency>
			<groupId>c3p0</groupId>
			<artifactId>c3p0</artifactId>
			<version>0.9.1.2</version>
		</dependency>
		<!-- c3p0 end -->
		<dependency>
			<groupId>javax.annotation</groupId>
			<artifactId>javax.annotation-api</artifactId>
			<version>1.3.2</version>
		</dependency>
	</dependencies>
</project>

第三步：创建配置文件目录src/main/resourse

配置文件主要分为四个：web.xm ， beans.xml ,，spring-mvc.xml ,，datasource.xml ，除了web.xml之外都放在src/main/resources文件夹中，我搭框架的做法是从底层一步步往最上层来搭，并且每一层都独立测试完毕才去搭下一层，以确保整合的时候错误好排查

第四步：配置好datasourse.properties和datasourse.xml以及beans.xml
datasourse.properties对应的是hibernate调用JDBC连接数据库所需要的全局变量配置，先新建一个datasourse.properties文件


写入配置：

#database connection config
  jdbc.driver = com.mysql.jdbc.Driver
  jdbc.url = jdbc:mysql://localhost:3306/ssh?useUnicode=true&characterEncoding=utf-8
  jdbc.username = root
  jdbc.password =
  
  #hibernate config
  hibe