Intellij Idea建立基於Maven的SpringMVC+MyBatis專案
阿新 • • 發佈:2019-01-18
前言:SpringMVC是一款輕量級的Web開發框架,非常有利於新手上手,對於持久化層,目前可選擇的是Hibernate和Mybatis,而Mybatis的學習曲線較為平整,因此本文介紹了利用Intellij Idea建立基於Maven的SpringMVC/MyBatis的專案,該專案實現了簡單的使用者插入和匯出,其實什麼專案無所謂,主要目的還是供大家掌握MyBatis和SpringMVC的實現過程。
完成本文的專案建立,你需要以下軟體的支援:
軟體 | 版本 |
---|---|
JDK | 1.6+ |
Tomcat | 7+ |
Maven | 2+ |
Mysql | 5+ |
Intellij Idea | 14.+ |
一 新建專案
在你的某一個project下:
File->New->Module
然後如下圖所示,選中Maven支援:
點選Next到下一步,並填寫專案名:
再下一步:
選擇Maven的版本,一般使用預設的版本即可!
一路點選Next即可,第一次建立Maven專案需要等待IDE建立,不如去喝杯水!
二 配置檔案
等待專案建立完畢,目前整個專案結構如下:
然後開始建立資料夾和專案的配置檔案。
1. 首先再main下建立java資料夾,並標記位原始檔目錄(Sources Root):
在java目錄下建立四個package:
com.zhaoyh.controller
com.zhaoyh.storage
com.zhaoyh.service
com.zhaoyh.model
- 在resources資料夾下新建mapper,spring資料夾和application.properties,mybatis-config.xml兩個檔案。
並在spring資料夾下面新建三個配置檔案:
spring-service.xml
spring-storage.xml
spring-web.xml
- 刪除WEB-INF下面的index.jsp,新建VM資料夾,並在VM資料夾下面新建index.vm模版檔案。
- 此時整個專案的目錄結構如下:
三 檔案內容和Java方法
- model包下新建User.java
package com.zhaoyh.model;
/**
* Created by zhaoyh on 2017/5/26.
*/
public class User {
private long id;
private String name;
private String phone;
public User() {
}
public User(String name, String phone) {
this.name = name;
this.phone = phone;
}
public User(long id, String name, String phone) {
this.id = id;
this.name = name;
this.phone = phone;
}
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
}
- storage下新建UserStorage.java介面,內容如下:
package com.zhaoyh.storage;
import com.zhaoyh.model.User;
import org.apache.ibatis.annotations.Param;
import java.util.List;
/**
* Created by zhaoyh on 2017/5/26.
*/
public interface UserStorage {
/**
* 插入使用者
* @param userName
* @param phone
*/
void addUser(@Param("name") String userName, @Param("phone") String phone);
/**
* 查詢使用者列表
* @param phone
* @return
*/
List<User> queryUserByPhone(@Param("phone") String phone);
}
- 在service包下新建IUserServe.java,UserService.java兩個檔案,內容分別是:
package com.zhaoyh.service;
import com.zhaoyh.model.User;
import java.util.List;
/**
* Created by zhaoyh on 2017/5/26.
*/
public interface IUserService {
void addUser(User user);
List<User> getUserByPhone(String phone);
}
package com.zhaoyh.service;
import com.zhaoyh.model.User;
import com.zhaoyh.storage.UserStorage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
/**
* Created by zhaoyh on 2017/5/26.
*/
@Service
public class UserService implements IUserService {
@Autowired
private UserStorage userStorage;
public void addUser(User user) {
userStorage.addUser(user.getName(), user.getPhone());
}
public List<User> getUserByPhone(String phone) {
return userStorage.queryUserByPhone(phone);
}
}
- controller包下新建MainController.java和BaseController.java檔案,內容分別是:
package com.zhaoyh.controller;
import com.zhaoyh.model.User;
import com.zhaoyh.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
/**
* Created by zhaoyh on 2017/5/26.
*/
@Controller
public class MainController extends BaseController {
@Autowired
private IUserService userService;
public static final String INDEX = "index";
@RequestMapping(value = "/", method = RequestMethod.GET)
public ModelAndView index(HttpServletRequest request, HttpServletResponse response) {
User user = new User("zhaoyh", "18811721028");
userService.addUser(user);
List<User> userList = userService.getUserByPhone("18811721028");
System.out.println("......" + userList.size());
return innerCreateModelAndView(INDEX);
}
}
package com.zhaoyh.controller;
import org.springframework.web.servlet.ModelAndView;
import java.util.HashMap;
import java.util.Map;
/**
* Created by zhaoyh on 2017/5/26.
*/
public class BaseController {
/**
* 生成檢視,用於繼承
* @param view
*/
protected ModelAndView innerCreateModelAndView (String view, Object... objects) {
assert (objects.length % 2) == 0;
Map<String, Object> modelMap = new HashMap<String, Object>();
for (int i = 0; i < objects.length; i++) {
String name = (String) objects[i++];
modelMap.put(name, objects[i]);
}
return new ModelAndView(view, modelMap);
}
}
- mapper資料夾下新建UserStorage.xml檔案:
<?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.zhaoyh.storage.UserStorage">
<select id="queryUserByPhone" resultType="com.zhaoyh.model.User">
SELECT *
FROM user
WHERE
phone= #{phone}
</select>
<insert id="addUser">
INSERT INTO user (name,phone)
VALUES (#{name},#{phone})
</insert>
</mapper>
- 在你的資料庫中增加user表,插入語句如下:
create table user
(
id bigint auto_increment
primary key,
name varchar(50) null,
phone varchar(20) null
);
此時完整的專案結構如圖:
四 配置編譯執行
- 把pom.xml中替換內容如下:
<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.zhaoyh</groupId>
<artifactId>MyBatisProject</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>MyBatisProject Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.2.3.RELEASE</spring.version>
</properties>
<dependencies>
<!--common start -->
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>18.0</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.5</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.5</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.3.2</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>1.8.5</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.8</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>4.2.0.Final</version>
</dependency>
<dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity</artifactId>
<version>1.6.4</version>
</dependency>
<dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity-tools</artifactId>
<version>2.0</version>
</dependency>
<!--common end -->
<!--spring start -->
<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>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</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-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!--spring end -->
<!--springmvc 控制層 start -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.7.4</version>
</dependency>
<!--springmvc end -->
<!--mybatis 資料訪問層 start -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.20</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.0</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.8.0</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.6.4.RELEASE</version>
</dependency>
<dependency>
<groupId>com.dyuproject.protostuff</groupId>
<artifactId>protostuff-core</artifactId>
<version>1.0.8</version>
</dependency>
<dependency>
<groupId>com.dyuproject.protostuff</groupId>
<artifactId>protostuff-runtime</artifactId>
<version>1.0.8</version>
</dependency>
<!--mybatis 資料訪問層 end -->
</dependencies>
<build>
<finalName>MyBatisProject</finalName>
<resources>
<resource>
<!--directory: 資源所在的位置 -->
<directory>src/main/resources</directory>
<!--filtering: 是否替換資源中的屬性placehold -->
<filtering>true</filtering>
</resource>
</resources>
</build>
</project>
- web.xml中的內容替換為:
<!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 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>Archetype Created Web Application</display-name>
<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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--配置DispatcherServlet -->
<servlet>
<servlet-name>spring-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 配置SpringMVC需要載入的配置檔案 spring-xxx.xml -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/spring-*.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>spring-dispatcher</servlet-name>
<!--預設匹配所有的請求 -->
<url-pattern>/</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.css</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.gif</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.jpg</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.js</url-pattern>
</servlet-mapping>
</web-app>
- index.vm中增加簡單的顯示語句即可:
<h2>SSM Test</h2>
- myatis-config.xml中修改為:
<?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>
<!--配置全域性屬性-->
<settings>
<!--使用jdbc的getGeneratekeys獲取自增主鍵值-->
<setting name="useGeneratedKeys" value="true"/>
<!--使用列別名替換別名 預設true-->
<setting name="useColumnLabel" value="true"/>
<!--開啟駝峰命名轉換Table:create_time到 Entity(createTime)-->
<setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>
</configuration>
- application.properties檔案中配置資料庫連結屬性:
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://XXX:3306/databaseName?useUnicode=true&characterEncoding=utf8
jdbc.username=XXX
jdbc.password=XXX
druid.pool.size.max=20
druid.pool.size.min=3
druid.pool.size.init=1
- spring-web.xml中配置Spring的屬性:
<?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.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
<!--掃描web相關的controller-->
<context:component-scan base-package="com.zhaoyh.controller"/>
<!--簡化配置:
1、自動註冊DefaultAnnotationHandlerMapping,AnnotationMethodHandlerAdapter
2、提供一系列:資料繫結,數字和日期的format,@NumberFormat,@DataTimeFormat,xml,json預設讀寫支援
-->
<mvc:annotation-driven/>
<!--靜態資源預設servlet配置
1、加入對靜態資源的處理:js,css,gif,png
2、允許使用"/"做整體對映
-->
<mvc:default-servlet-handler/>
<!--配置VM 顯示ViewResolver-->
<bean id="velocityConfig" class="org.springframework.web.servlet.view.velocity.VelocityConfigurer">
<property name="resourceLoaderPath" value="/WEB-INF/VM/" />
<property name="velocityProperties">
<props>
<prop key="input.encoding">UTF-8</prop>
<prop key="output.encoding">UTF-8</prop>
<prop key="directive.foreach.counter.name">velocityCount</prop>
<prop key="directive.foreach.counter.initial.value">1</prop>
</props>
</property>
</bean>
<bean id="viewResolver" class="org.springframework.web.servlet.view.velocity.VelocityViewResolver">
<property name="cache" value="true" />
<property name="prefix" value="" />
<property name="suffix" value=".vm" />
<property name="contentType"><value>text/html;charset=UTF-8</value></property>
</bean>
</beans>
- 在spring-storage.xml中配置資料連線:
<?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
http://www.springframework.org/schema/context/spring-context.xsd">
<!--1、配置資料庫相關引數-->
<context:property-placeholder location="classpath:application.properties" ignore-unresolvable="true"/>
<!--2.資料來源druid -->
<