Spring+Mybatis+SpringMVC+Maven+MySql(SSM框架)搭建例項
這篇文章我們來實現使用maven構建工具來搭建Spring+Mybatis+SpringMVC+MySql的框架搭建例項。工程下載
使用maven當然得配置有關環境了,不會配置的請看我前幾篇文章,都有配置maven環境的列子!
MySQL建立表sql語句:
插入資料sql:/* Navicat MySQL Data Transfer Source Server : lz Source Server Version : 50637 Source Host : localhost:3306 Source Database : sys Target Server Type : MYSQL Target Server Version : 50637 File Encoding : 65001 Date: 2017-10-17 09:50:56 */ -- ---------------------------- -- Table structure for t_user -- ---------------------------- CREATE TABLE `t_user` ( `USER_ID` int(11) NOT NULL AUTO_INCREMENT, `USER_NAME` char(30) DEFAULT NULL, `USER_PASSWORD` char(10) DEFAULT NULL, `USER_EMAIL` char(30) DEFAULT NULL, PRIMARY KEY (`USER_ID`), KEY `IDX_NAME` (`USER_NAME`) ) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=utf8;
INSERT INTO `t_user` VALUES ('1', '張寧寧', '616373834', '[email protected]');
INSERT INTO `t_user` VALUES ('3', 'fffaa', 'cadg', '[email protected]');
INSERT INTO `t_user` VALUES ('6', '小明', 'yuh78', '[email protected]');
INSERT INTO `t_user` VALUES ('7', '小小', 'cvff222', ' [email protected]');
INSERT INTO `t_user` VALUES ('8', '小屁孩', '8944', '[email protected]');
INSERT INTO `t_user` VALUES ('10', 'apple', 'uih6', '[email protected]');
INSERT INTO `t_user` VALUES ('11', 'admin', '123456', '無');
完成之後我們開始搭建:
選擇maven專案:
選擇快速框架:
輸出專案名,包,記得選war(表示web專案,以後可以spingMVC連起來用)
(4)建立好之後
目錄如下:
(5)檢查下
這三個地方JDK的版本一定要一樣!!!!
三、sping+mybatis配置
1、整個工程目錄如下:
2、POM檔案
<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.lin</groupId>
<artifactId>ssm_project</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<!-- spring版本號 -->
<spring.version>3.2.8.RELEASE</spring.version>
<!-- log4j日誌檔案管理包版本 -->
<slf4j.version>1.6.6</slf4j.version>
<log4j.version>1.2.12</log4j.version>
<!-- junit版本號 -->
<junit.version>4.10</junit.version>
<!-- mybatis版本號 -->
<mybatis.version>3.2.1</mybatis.version>
</properties>
<dependencies>
<!-- 新增Spring依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</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-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-tx</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-web</artifactId>
<version>${spring.version}</version>
</dependency>
<!--單元測試依賴 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<!-- 日誌檔案管理包 -->
<!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- log end -->
<!--spring單元測試依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<!--mybatis依賴 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- mybatis/spring包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.0</version>
</dependency>
<!-- mysql驅動包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.29</version>
</dependency>
</dependencies>
</project>
3、java程式碼-------src/main/java
目錄如下:
(1)User.java
對應資料庫中表的欄位,放在src/main/java下的包com.lin.domain
package com.lin.domain;
/**
* User對映類
*
* @author 張寧寧
* @time 2017.10.17
*/
public class User {
private Integer userId;
private String userName;
private String userPassword;
private String userEmail;
public Integer getUserId() {
return userId;
}
public void setUserId(Integer userId) {
this.userId = userId;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getUserPassword() {
return userPassword;
}
public void setUserPassword(String userPassword) {
this.userPassword = userPassword;
}
public String getUserEmail() {
return userEmail;
}
public void setUserEmail(String userEmail) {
this.userEmail = userEmail;
}
@Override
public String toString() {
return "User [userId=" + userId + ", userName=" + userName
+ ", userPassword=" + userPassword + ", userEmail=" + userEmail
+ "]";
}
}
(2)UserDao.java
Dao介面類,用來對應mapper檔案。放在src/main/java下的包com.lin.dao,內容如下:
package com.lin.dao;
import com.lin.domain.User;
/**
* 功能概要:User的DAO類
*
* @author 張寧寧
* @since 2017年10月17日
*/
public interface UserDao {
/**
*
* @author linbingwen
* @since 2015年9月28日
* @param userId
* @return
*/
public User selectUserById(Integer userId);
}
(2)UserService.java和UserServiceImpl.java
service介面類和實現類,放在src/main/java下的包com.lin.service,內容如下:
UserService.java
package com.lin.service;
import org.springframework.stereotype.Service;
import com.lin.domain.User;
/**
* 功能概要:UserService介面類
*
* @author 張寧
* @since 2017年10月17日
*/
public interface UserService {
User selectUserById(Integer userId);
}
UserServiceImpl.java
package com.lin.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.lin.dao.UserDao;
import com.lin.domain.User;
/**
* 功能概要:UserService實現類
*
* @author 張寧寧
* @since 2017年10月17日
*/
@Service
public class UserServiceImpl implements UserService{
@Autowired
private UserDao userDao;
public User selectUserById(Integer userId) {
return userDao.selectUserById(userId);
}
}
(4)mapper檔案
用來和dao檔案對應,放在src/main/java下的com.lin.mapper包下
<?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.lin.dao.UserDao">
<!--設定domain類和資料庫中表的欄位一一對應,注意資料庫欄位和domain類中的欄位名稱不致,此處一定要!-->
<resultMap id="BaseResultMap" type="com.lin.domain.User">
<id column="USER_ID" property="userId" jdbcType="INTEGER" />
<result column="USER_NAME" property="userName" jdbcType="CHAR" />
<result column="USER_PASSWORD" property="userPassword" jdbcType="CHAR" />
<result column="USER_EMAIL" property="userEmail" jdbcType="CHAR" />
</resultMap>
<!-- 查詢單條記錄 -->
<select id="selectUserById" parameterType="int" resultMap="BaseResultMap">
SELECT * FROM t_user WHERE USER_ID = #{userId}
</select>
</mapper>
4、資源配置-------src/main/resources
目錄如下:
(1)mybatis配置檔案
這裡沒有什麼內容,因為都被放到application.xml中去了,放在src/main/resources下的mybatis資料夾下
mybatis-config.xml內容如下:
<?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>
</configuration>
(2)資料來源配置jdbc.properties
放在src/main/resources下的propertiesy資料夾下
jdbc_driverClassName=com.mysql.jdbc.Driver
jdbc_url=jdbc:mysql://localhost:3306/sys
jdbc_username=root
jdbc_password=123
(3)Spring配置
這是最重要的:application.xml內容如下
<?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: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/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<!-- 引入jdbc配置檔案 -->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:properties/*.properties</value>
<!--要是有多個配置檔案,只需在這裡繼續新增即可 -->
</list>
</property>
</bean>
<!-- 配置資料來源 -->
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<!-- 不使用properties來配置 -->
<!-- <property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/learning" />
<property name="username" value="root" />
<property name="password" value="[email protected]" /> -->
<!-- 使用properties來配置 -->
<property name="driverClassName">
<value>${jdbc_driverClassName}</value>
</property>
<property name="url">
<value>${jdbc_url}</value>
</property>
<property name="username">
<value>${jdbc_username}</value>
</property>
<property name="password">
<value>${jdbc_password}</value>
</property>
</bean>
<!-- 自動掃描了所有的XxxxMapper.xml對應的mapper介面檔案,這樣就不用一個一個手動配置Mpper的映射了,只要Mapper介面類和Mapper對映檔案對應起來就可以了。 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage"
value="com.lin.dao" />
</bean>
<!-- 配置Mybatis的檔案 ,mapperLocations配置**Mapper.xml檔案位置,configLocation配置mybatis-config檔案位置-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations" value="classpath*:com/lin/mapper/**/*.xml"/>
<property name="configLocation" value="classpath:mybatis/mybatis-config.xml" />
<!-- <property name="typeAliasesPackage" value="com.tiantian.ckeditor.model"
/> -->
</bean>
<!-- 自動掃描註解的bean -->
<context:component-scan base-package="com.lin.service" />
</beans>
(4)日誌列印log4j.properties
就放在src/main/resources
log4j.rootLogger=DEBUG,Console,Stdout
#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n
log4j.logger.java.sql.ResultSet=INFO
log4j.logger.org.apache=INFO
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
log4j.appender.Stdout = org.apache.log4j.DailyRollingFileAppender
log4j.appender.Stdout.File = E://logs/log.log
log4j.appender.Stdout.Append = true
log4j.appender.Stdout.Threshold = DEBUG
log4j.appender.Stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.Stdout.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n
四、單元測試
上面的配置完好,接下來就是測驗成功
整個目錄 如下:
(1)測試基類
package com.lin.baseTest;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* 功能概要:
*
* @author 張寧寧
* @since 2017年10月17日
*/
//指定bean注入的配置檔案
@ContextConfiguration(locations = { "classpath:application.xml" })
//使用標準的JUnit @RunWith註釋來告訴JUnit使用Spring TestRunner
@RunWith(SpringJUnit4ClassRunner.class)
public abstract class SpringTestCase extends AbstractJUnit4SpringContextTests{
protected Logger logger = LoggerFactory.getLogger(getClass());
}
(2)測試類
package com.lin.service;
import org.apache.log4j.Logger;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import com.lin.baseTest.SpringTestCase;
import com.lin.domain.User;
/**
* 功能概要:UserService單元測試
*
* @author 張寧寧
* @since 2017年10月17日
*/
public class UserServiceTest extends SpringTestCase {
@Autowired
private UserService userService;
Logger logger = Logger.getLogger(UserServiceTest.class);
@Test
public void selectUserByIdTest(){
User user = userService.selectUserById(10);
logger.debug("查詢結果" + user);
}
}
選中selectUserByIdTest,然後右鍵如下執行
輸出結果:
重要列印的結果
資料庫:
程式成功執行,並且結果正確!
到這裡配置好spring+mybatis+mysql!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ===================================================== 這裡開始新增spirngMVC,並轉換maven工程為web專案 五、轉換web工程
接上面的工程接著說,此時要加spingMVC之前,工程得再稍微轉換下 此時webapp下的結果還沒有顯示出來,因為此時我們還沒有配置此的專案為web專案
再次進去Properties配置,如下圖所示:如果沒有顯示如下,那就先把dynamic web module的√給去掉,然後重新再開啟 這個
進入,然後輸入如下內容
確定OK之後,webapp下面就會自動生成一些檔案,如下:
六、配置SpringMVC
(1)修改POM檔案,增加了一此內容,新的POM檔案如下:
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.lin</groupId>
<artifactId>ssm_project</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<!-- spring版本號 -->
<spring.version>3.2.8.RELEASE</spring.version>
<!-- log4j日誌檔案管理包版本 -->
<slf4j.version>1.6.6</slf4j.version>
<log4j.version>1.2.12</log4j.version>
<!-- junit版本號 -->
<junit.version>4.10</junit.version>
<!-- mybatis版本號 -->
<mybatis.version>3.2.1</mybatis.version>
</properties>
<dependencies>
<!-- 新增Spring依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${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>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<!--單元測試依賴 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<!-- 日誌檔案管理包 -->
<!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- log end -->
<!--spring單元測試依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<!--mybatis依賴 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- mybatis/spring包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.0</version>
</dependency>
<!-- mysql驅動包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.29</version>
</dependency>
<!-- javaee-api包 注意和專案使用的JDK版本對應 -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>6.0</version>
<scope>provided</scope>
</dependency>
<!-- javaee-web-api包 注意和專案使用的JDK版本對應 -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-web-api</artifactId>
<version>6.0</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>
其實也就增加了下面兩個
<!-- javaee-api包 注意和專案使用的JDK版本對應 -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>6.0</version>
<scope>provided</scope>
</dependency>
<!-- javaee-web-api包 注意和專案使用的JDK版本對應 -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-web-api</artifactId>
<version>6.0</version>
<scope>provided</scope>
</dependency>
(2) 在src/main/resource中新增springmvc資料夾,然後新增檔案spring-mvc.xml,內容如下:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:p="http://www.springframework.org/schema/p"
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-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
<!-- 掃描controller(controller層注入) -->
<context:component-scan base-package="com.lin.controller"/>
<!-- 對模型檢視新增前後綴 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/WEB-INF/view/" p:suffix=".jsp"/>
</beans>
(3)配置web.xml 目錄如下:
這裡是關鍵,web.xml是用來起動sping、spingMVC
放在src/main/webapp/WEB-INF下。內容如下:
<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
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>Archetype Created Web Application</display-name>
<!-- 起始歡迎介面 -->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 讀取spring配置檔案 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:application.xml</param-value>
</context-param>
<!-- 設計路徑變數值 -->
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>springmvc.root</param-value>
</context-param>
<!-- Spring字符集過濾器 -->
<filter>
<filter-name>SpringEncodingFilter</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>SpringEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 日誌記錄 -->
<context-param>
<!-- 日誌配置檔案路徑 -->
<param-name>log4jConfigLocation</param-name>
<param-value>classpath:log4j.properties</param-value>
</context-param>
<context-param>
<!-- 日誌頁面的重新整理間隔 -->
<param-name>log4jRefreshInterval</param-name>
<param-value>6000</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- springMVC核心配置 -->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<!--spingMVC的配置路徑 -->
<param-value>classpath:springmvc/spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- 攔截設定 -->
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 錯誤跳轉頁面 -->
<error-page>
<!-- 路徑不正確 -->
<error-code>404</error-code>
<location>/WEB-INF/errorpage/404.jsp</location>
</error-page>
<error-page>
<!-- 沒有訪問許可權,訪問被禁止 -->
<error-code>405</error-code>
<location>/WEB-INF/errorpage/405.jsp</location>
</error-page>
<error-page>
<!-- 內部錯誤 -->
<error-code>500</error-code>
<location>/WEB-INF/errorpage/500.jsp</location>
</error-page>
</web-app>
(4)新增index.jsp
在src/main/webapp/WEB-INF下新建一個資料夾view,新增一個index.jsp,內容如下:
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<html>
<body>
<h2>Hello World!</h2>
${user.userId}<br>
${user.userName}<br>
${user.userPassword}<br>
${user.userEmail}<br>
</body>
</html>
(5)最後就是controller的書寫了
在src/main/java下新建一個包com.lin.controller.然後新建一個類UserController.java,其內容如下:
package com.lin.controller;
import javax.annotation.Resource;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import com.lin.domain.User;
import com.lin.service.UserService;
/**
* 功能概要:UserController
*
* @author 張寧寧
* @since 2017年10月17日
*/
@Controller
public class UserController {
@Resource
private UserService userService;
@RequestMapping("/")
public ModelAndView getIndex(){
ModelAndView mav = new ModelAndView("index");
User user = userService.selectUserById(1);
mav.addObject("user", user);
return mav;
}
}
(6)最後的執行!
最後,就是成果了,已經全部都配置好了。我們可以開始以web工程運行了!
專案右鍵-》:
然後一路next:
接下來控制檯就會列印日誌出來了!如下
列印瀏覽器,輸入網址:http://localhost:8088/ssm
加了點樣式!
進入列表頁面:
這裡呢,我最後完善了下,有分頁、模糊查詢等等!講到這裡就結束了,感謝大家!!!`︶` 工程下載