springmvc+spring+mybatis 搭建
1、首先使用idea新建一個Maven webapp項目html
2、搭建目錄結構java
我這裏列出的是搭建完了以後全部的目錄和文件，諸位先把目錄文件建起來，而後我在給出文件內容mysql
這裏的目錄建好以後還須要設置一下，讓idea識別目錄做用，選擇File-Project Structureweb
設置完成後okspring
3、配置文件內容sql
pom.xml數據庫
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.test</groupId>
<artifactId>ssm01</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>ssm01 Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<!-- 設置項目編碼編碼 -->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<!-- spring版本號 -->
<spring.version>4.3.5.RELEASE</spring.version>
<!-- mybatis版本號 -->
<mybatis.version>3.4.1</mybatis.version>
</properties>
<dependencies>
<!-- java ee -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>
<!-- 單元測試 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<!-- 實現slf4j接口並整合 -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.2</version>
</dependency>
<!-- JSON -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.8.7</version>
</dependency>
<!-- 數據庫 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.41</version>
<scope>runtime</scope>
</dependency>
<!-- 數據庫鏈接池 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<!-- MyBatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- mybatis/spring整合包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</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-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${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-test</artifactId>
<version>${spring.version}</version>
</dependency>
</dependencies>
<build>
<finalName>ssm01</finalName>
</build>
</project>
注意右下角更新pomapache
logback.xmlapi
<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="true">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<root level="debug">
<appender-ref ref="STDOUT"/>
</root>
</configuration>
這裏能夠控制輸出格式和內容，有興趣的能夠本身設置spring-mvc
jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver #數據庫地址 jdbc.url=jdbc:mysql://xxxxxxxxx:3306/ChatRobot?useUnicode=true&characterEncoding=utf8 #用戶名 jdbc.username=xxxx #密碼 jdbc.password=xxxxx #最大鏈接數 c3p0.maxPoolSize=30 #最小鏈接數 c3p0.minPoolSize=10 #關閉鏈接後不自動commit c3p0.autoCommitOnClose=false #獲取鏈接超時時間 c3p0.checkoutTimeout=10000 #當獲取鏈接失敗重試次數 c3p0.acquireRetryAttempts=2
spring-mybatis.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 掃描service包下全部使用註解的類型 -->
<context:component-scan base-package="com.test.service"/>
<!-- 配置數據庫相關參數properties的屬性：${url} -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 數據庫鏈接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<property name="maxPoolSize" value="${c3p0.maxPoolSize}"/>
<property name="minPoolSize" value="${c3p0.minPoolSize}"/>
<property name="autoCommitOnClose" value="${c3p0.autoCommitOnClose}"/>
<property name="checkoutTimeout" value="${c3p0.checkoutTimeout}"/>
<property name="acquireRetryAttempts" value="${c3p0.acquireRetryAttempts}"/>
</bean>
<!-- 配置SqlSessionFactory對象 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入數據庫鏈接池 -->
<property name="dataSource" ref="dataSource"/>
<!-- 掃描model包 使用別名 -->
<property name="typeAliasesPackage" value="com.test.model"/>
<!-- 掃描sql配置文件:mapper須要的xml文件 -->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>
<!-- 配置掃描Dao接口包，動態實現Dao接口，注入到spring容器中 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!-- 給出須要掃描Dao接口包 -->
<property name="basePackage" value="com.test.dao"/>
</bean>
<!-- 配置事務管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!-- 注入數據庫鏈接池 -->
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 配置基於註解的聲明式事務 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>
spring-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: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.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 掃描web相關的bean -->
<context:component-scan base-package="com.test.controller"/>
<!-- 開啓SpringMVC註解模式 -->
<mvc:annotation-driven/>
<!-- 靜態資源默認servlet配置 -->
<mvc:default-servlet-handler/>
<!-- 配置jsp 顯示ViewResolver -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
<property name="prefix" value="/WEB-INF/views/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
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_3_1.xsd"
version="3.1">
<display-name>ssm01</display-name>
<description>ChatRobot_Alpha_0.0.1</description>
<!-- 編碼過濾器 -->
<filter>
<filter-name>encodingFilter</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>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 配置DispatcherServlet -->
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 配置springMVC須要加載的配置文件-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-*.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<!-- 匹配全部請求，此處也能夠配置成 *.do 形式 -->
<url-pattern>/</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
</web-app>
User的model
public class User {
private int id;
private String username;
private String password;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
userController
@Controller
@RequestMapping(value = "/test")
public class UserController {
@Resource
private IUserService userService;
@RequestMapping(value = "/save")
public void saveUser()
{
User user=new User();
user.setUsername("張三");
user.setPassword("852456");
userService.insertUser(user);
}
}
IUserService
public interface IUserService {
/**
* 增
* @param user
* @return
*/
public int insertUser(User user);
/**
* 刪
*/
public int deleteUser(int id);
/**
* 改
*/
public int updataUser(User user);
/**
* 查
*/
public User selectUserById(int id);
/**
* 查找全部
*/
public List selectALluser();
}
IUserServiceImpl
@Service("userService")
public class UserServiceImpl implements IUserService {
@Resource
private IUserDao userDao;
public int insertUser(User user) {
userDao.insertUser(user);
return 0;
}
public int deleteUser(int id) {
return 0;
}
public int updataUser(User user) {
return 0;
}
public User selectUserById(int id) {
return null;
}
public List selectALluser() {
return null;
}
}
IUserDao
public interface IUserDao {
/**
*添加用戶
* @param user
* @return
*/
int insertUser(User user);
/**
* 刪除用戶
* @param id
* @return
*/
int delUser(int id);
/**
* 修改用戶
* @param user
* @return
*/
int updateUser(User user);
/**
* 根據id查用戶
* @return
*/
User selectUserById(int id);
/**
* 查找全部用戶
* @return
*/
List<User> selectAllUser();
}
UserDao.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.test.dao.IUserDao"><!-- 對應dao層接口的名字 -->
<!-- 自定義返回結果集 -->
<resultMap id="userMap" type="UserBean">
<id property="id" column="id" javaType="java.lang.Integer"></id>
<result property="username" column="username" javaType="java.lang.String"></result>
<result property="password" column="password" javaType="java.lang.String"></result>
</resultMap>
<!-- 在各類標籤中的id屬性必須和接口中的方法名相同 ， id屬性值必須是惟一的，不可以重複使用。parameterType屬性指明查詢時使用的參數類型，
resultType屬性指明查詢返回的結果集類型-->
<!-- useGeneratedKeys：（ 僅 對 insert 有 用 ） 這 會 告 訴 MyBatis 使 用 JDBC 的getGeneratedKeys
方法來取出由數據（好比：像 MySQL 和 SQLServer 這樣的數據庫管理系統的自動遞增字段）內部生成的主鍵。默認值： false。
oracle 不支持應該設置成 useGeneratedKeys="false" 否則會報錯
-->
<!--keyProperty： （僅對 insert有用）標記一個屬性， MyBatis 會經過 getGeneratedKeys或者經過 insert 語句的 selectKey 子元素設置它的值。默認：不設置。 -->
<!--#{}中的內容，爲佔位符，當參數爲某個JavaBean時，表示放置該Bean對象的屬性值 -->
<insert id="insertUser" useGeneratedKeys="true" keyProperty="id">
INSERT INTO t_user (username,password) VALUES (#{username},#{password})
</insert>
<delete id="deleteUser" parameterType="int">
DELETE FROM t_user WHERE id=#{id}
</delete>
<update id="updateUser" parameterType="int">
UPDATE t_user SET username=#{username},password=#{password} WHERE id=#{id}
</update>
<select id="selectUserById" >
SELECT * FROM t_user WHERE id=#{id}
</select>
<select id="selectAllUser">
SELECT * FROM t_user
</select>
</mapper>
https://www.cnblogs.com/hackyo/p/6646051.html
參考文章https://www.cnblogs.com/kevin1990/p/6231122.html
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