1. 程式人生 > >SSM框架整合:SpringMVC + Spring + MyBatis+Maven

SSM框架整合:SpringMVC + Spring + MyBatis+Maven

專案目的


          建立一個登陸頁面,輸入username和password,如果和資料庫對應,則跳轉的success.jsp,否則跳轉到error.jsp


專案下載


百度網盤,點選下載原始碼


建立專案


     建立專案





點選Finish後會如下所示(有錯誤的提示,不用擔心)









消除錯誤提示







正常情況下,如上圖所示,   Dynamic Web Module   和       Java     是打√的, 把  Dynamic Web Module 的√去掉,然後點選右下角的Apply,然後在 在把 Dynamic Web Module  的   √  打上,就出現下圖所示:




點進去,如下圖所示,把Content directory 修改成入圖所示





點選OK-------------------------------------》點選Apply---------------------------------》點選Cancel,就不報錯了

而且添加了我標記的一些東西,如下圖所示





在pom中新增依賴


<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.imooc</groupId>
  <artifactId>SSMMaven2</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  
  
  
  <dependencies>

        <!-- 單元測試 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>



        <!-- 日誌 -->
        <!-- 實現slf4j介面並整合 -->
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>1.1.1</version>
        </dependency>


        <!-- io -->
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.2</version>
        </dependency>



        <!-- Servlet web -->
        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>compile</scope>
        </dependency>


        <!-- 資料庫 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.39</version>
        </dependency>


        <!-- 資料庫連線池 c3p0 -->
        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>


        <!-- Spring -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.3.10.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>4.3.10.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.3.10.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.10.RELEASE</version>
        </dependency>





        <!-- Spring MVC -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.3.10.RELEASE</version>
        </dependency>


        <!-- MyBatis -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.1</version>
        </dependency>


        <!-- MyBatis-Spring -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.0</version>
        </dependency>






    </dependencies>
  
  
  
  
  
  
  
  
  
</project>

新增完依賴後需要更新一下專案


打上下圖所標記的√




錯誤就解除了



新增Spring,SpringMVC,MyBatis的配置檔案



applicationContext-mvc.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:tx="http://www.springframework.org/schema/tx"
	xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
		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-4.0.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
	

	
	

<!-- 配置自動掃描的包,自動加入WebIoc容器中 -->
<context:component-scan base-package="com.imooc.handler"></context:component-scan>







<!-- 配置檢視解析器,   -->
<bean  class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    <property name="prefix"  value="/WEB-INF/jsp/"></property>
    <property name="suffix"  value=".jsp"></property>
</bean>


<!-- 處理靜態資原始檔,303校驗等等(標配,必須寫) -->
<mvc:default-servlet-handler/>
<mvc:annotation-driven></mvc:annotation-driven>





</beans>



applicationContext.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:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
	xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">

	<!-- 配置自動掃描的包,使其自動注入到IOC容器 -->
	<context:component-scan base-package="com.imooc.service"></context:component-scan>

	<!-- 匯入資原始檔 -->
	<context:property-placeholder location="classpath:db.properties" />

	<!-- 配置資料來源 -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="user" value="${jdbc.user}"></property>
		<property name="password" value="${jdbc.password}"></property>
		<property name="driverClass" value="${jdbc.driverClass}"></property>
		<property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
		<property name="initialPoolSize" value="${jdbc.initPoolSize}"></property>
		<property name="maxPoolSize" value="${jdbc.maxPoolSize}"></property>
	</bean>


	<!-- 配置MyBatis的SqlSession -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<!-- 配置MyBatis的配置的檔案 -->
		<property name="configLocation" value="classpath:mybatis.xml"></property>
	</bean>

	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
	    <!-- 自動掃描 com.imooc.dao下的interface,並加入IOC容器-->
		<property name="basePackage" value="com.imooc.dao" />
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
	</bean>


	<!-- 開啟事務 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource" />
	</bean>



	<!-- 可通過註解控制事務 -->
	<tx:annotation-driven transaction-manager="transactionManager" />








</beans>

db.properties

jdbc.user=root
jdbc.password=root
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.jdbcUrl=jdbc:mysql://localhost:3306/text

jdbc.initPoolSize=5
jdbc.maxPoolSize=10
#...


mybatis.xml

<?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>


	<!-- 
	=====>設定別名: 將com.imooc.entity.User設定為User 
	如果不設定別名<select id="selectDemo" resultType="com.imooc.entity.User"> ***</select>
	設定別名            <select id="selectDemo" resultType="User">***</select>
	 -->
	<typeAliases>
		<package name="com.imooc.entity"></package>
	</typeAliases>


	<mappers>
		<mapper resource="com/imooc/mapper/UserMapper.xml" />
	</mappers>


</configuration>


修改web.xml檔案(就是加一個字元過濾器,SpringMVC的servlet,Spring的Listener)

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="WebApp_ID" version="2.5" >
	
	
	<display-name>SSMMaven</display-name>
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
	
	
	
	<!-- 設定字元過濾器,防止亂碼 -->
	<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>


	<!-- SpringMVC -->
	<servlet>
		<servlet-name>springDispatcherServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:applicationContext-mvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>springDispatcherServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>







	<!-- Spring -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	
	
	
	
	
	
	
	
	
	
	
</web-app>



建立包和類


dao層

package com.imooc.dao;

public interface UserMapper {
	
	//根據username查詢password
	String selectPassword(String username);

}

實體類

package com.imooc.entity;

public class User {
	private Integer id;
	private String username;
	private String password;

	public User() {
		super();
	}

	public User(String username, String password) {
		super();
		this.username = username;
		this.password = password;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#toString()
	 */
	@Override
	public String toString() {
		return "User [id=" + id + ", username=" + username + ", password=" + password + "]";
	}

	/**
	 * @return the id
	 */
	public Integer getId() {
		return id;
	}

	/**
	 * @param id
	 *            the id to set
	 */
	public void setId(Integer id) {
		this.id = id;
	}

	/**
	 * @return the username
	 */
	public String getUsername() {
		return username;
	}

	/**
	 * @param username
	 *            the username to set
	 */
	public void setUsername(String username) {
		this.username = username;
	}

	/**
	 * @return the password
	 */
	public String getPassword() {
		return password;
	}

	/**
	 * @param password
	 *            the password to set
	 */
	public void setPassword(String password) {
		this.password = password;
	}
}

控制層Controller

package com.imooc.handler;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.imooc.entity.User;
import com.imooc.service.UserService;

@Controller
public class LoginHandler {
	
	@Autowired
	private UserService userService;
	
	@RequestMapping("/login.action")
	public String login(User user){
		String password=userService.login(user.getUsername());
		if(!user.getPassword().equals(password)){
			return "error";
		}else{
			return "success";
		}
	}
	
	
	
	
	

	/**
	 * @return the userService
	 */
	public UserService getUserService() {
		return userService;
	}

	/**
	 * @param userService the userService to set
	 */
	public void setUserService(UserService userService) {
		this.userService = userService;
	}
	
	
	

}


dao層的XML

<?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="com.imooc.dao.UserMapper">




	<select id="selectPassword"  resultType="String">
		select password from user where username = #{username}
	</select>
	



</mapper>



service層

package com.imooc.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.imooc.dao.UserMapper;



@Service
public class UserService {
	
	@Autowired
	private UserMapper userDao;
	
	
	public String login(String username){
		return userDao.selectPassword(username);
	}
	
	
	
	
	

	public UserService() {
		super();
	}

	/**
	 * @return the userDao
	 */
	public UserMapper getUserDao() {
		return userDao;
	}

	/**
	 * @param userDao the userDao to set
	 */
	public void setUserDao(UserMapper userDao) {
		this.userDao = userDao;
	}
	
	
	

}


新增JSP頁面



index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>

<form action="login.action" method="post">
username<input type="text"  name="username"><br/>
password<input type="password"  name="password"><br/>
<input type="submit" value="Submit">
</form>
</body>
</html>


success.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
success.jsp
</body>
</html>


error.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
error.jsp
</body>
</html>


大功告成