搭建个SSM框架居然花费了我好长时间!特此记录!
需要准备的环境:
idea 2017.1
jdk1.8
Maven 3.3.9
请提前将idea与Maven、jdk配置好,本次项目用的都是比较新的
注:配置完ide红线报错没关系!可以run!
步骤:
一、首先使用idea新建一个Maven webapp项目
点击Finish,第一次搭建可能会很慢,甚至可能需要VPN才能搭建成功
二、搭建目录结构
我这里列出的是搭建完了之后所有的目录和文件,诸位先把目录文件建起来,然后我在给出文件内容
这里的目录建好之后还需要设置一下,让idea识别目录作用,选择File-Project Structure
设置完成后ok
三、配置文件内容
pom.xml
<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>4.0.0modelVersion>
<groupId>com.chatRobotgroupId>
<artifactId>ChatRobotartifactId>
<packaging>warpackaging>
<version>1.0-SNAPSHOTversion>
<name>ChatRobot Maven Webappname>
<url>http://maven.apache.orgurl>
<properties>
<project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8project.reporting.outputEncoding>
<spring.version>4.3.5.RELEASEspring.version>
<mybatis.version>3.4.1mybatis.version>
properties>
<dependencies>
<dependency>
<groupId>javaxgroupId>
<artifactId>javaee-apiartifactId>
<version>7.0version>
dependency>
<dependency>
<groupId>junitgroupId>
<artifactId>junitartifactId>
<version>4.12version>
dependency>
<dependency>
<groupId>ch.qos.logbackgroupId>
<artifactId>logback-classicartifactId>
<version>1.2.2version>
dependency>
<dependency>
<groupId>com.fasterxml.jackson.coregroupId>
<artifactId>jackson-databindartifactId>
<version>2.8.7version>
dependency>
<dependency>
<groupId>mysqlgroupId>
<artifactId>mysql-connector-javaartifactId>
<version>5.1.41version>
<scope>runtimescope>
dependency>
<dependency>
<groupId>com.mchangegroupId>
<artifactId>c3p0artifactId>
<version>0.9.5.2version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatisartifactId>
<version>${mybatis.version}version>
dependency>
<dependency>
<groupId>org.mybatisgroupId>
<artifactId>mybatis-springartifactId>
<version>1.3.1version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-coreartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-beansartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-contextartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-jdbcartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-txartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-webartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-webmvcartifactId>
<version>${spring.version}version>
dependency>
<dependency>
<groupId>org.springframeworkgroupId>
<artifactId>spring-testartifactId>
<version>${spring.version}version>
dependency>
dependencies>
<build>
<finalName>ChatRobotfinalName>
<plugins>
<plugin>
<groupId>org.apache.maven.pluginsgroupId>
<artifactId>maven-compiler-pluginartifactId>
<configuration>
<source>1.8source>
<target>1.8target>
configuration>
plugin>
plugins>
build>
project>注意右下角更新pom
logback.xml
xml version="1.0" encoding="UTF-8"?>
<configuration debug="true">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%npattern>
encoder>
appender>
<root level="debug">
<appender-ref ref="STDOUT"/>
root>
configuration>这里可以控制输出格式和内容,有兴趣的可以自己设置
jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver
#数据库地址
jdbc.url=jdbc:mysql://xxxxxxxxx:3306/ChatRobot?useUnicode=true&characterEncoding=utf8
#用户名
jdbc.username=xxxx
#密码
jdbc.password=xxxxx
#最大连接数
c3p0.maxPoolSize=30
#最小连接数
c3p0.minPoolSize=10
#关闭连接后不自动commit
c3p0.autoCommitOnClose=false
#获取连接超时时间
c3p0.checkoutTimeout=10000
#当获取连接失败重试次数
c3p0.acquireRetryAttempts=2spring-mybatis.xml
xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<context:component-scan base-package="com.chatRobot.service"/>
<context:property-placeholder location="classpath:jdbc.properties"/>
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${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>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="typeAliasesPackage" value="com.chatRobot.model"/>
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<property name="basePackage" value="com.chatRobot.dao"/>
bean>
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
bean>
<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">
<context:component-scan base-package="com.chatRobot.controller"/>
<mvc:annotation-driven/>
<mvc:default-servlet-handler/>
<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>ChatRobotdisplay-name>
<description>ChatRobot_Alpha_0.0.1description>
<filter>
<filter-name>encodingFilterfilter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilterfilter-class>
<init-param>
<param-name>encodingparam-name>
<param-value>UTF-8param-value>
init-param>
filter>
<filter-mapping>
<filter-name>encodingFilterfilter-name>
<url-pattern>/*url-pattern>
filter-mapping>
<servlet>
<servlet-name>SpringMVCservlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServletservlet-class>
<init-param>
<param-name>contextConfigLocationparam-name>
<param-value>classpath:spring-*.xmlparam-value>
init-param>
<load-on-startup>1load-on-startup>
<async-supported>trueasync-supported>
servlet>
<servlet-mapping>
<servlet-name>SpringMVCservlet-name>
<url-pattern>/url-pattern>
servlet-mapping>
<welcome-file-list>
<welcome-file>index.htmlwelcome-file>
welcome-file-list>
web-app>到这里基本上环境就搭建完成了,下面开始测试
四、测试
先导入一份数据库测试文件
CREATE TABLE `user` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户ID',
`email` varchar(255) NOT NULL COMMENT '用户邮箱',
`password` varchar(255) NOT NULL COMMENT '用户密码',
`username` varchar(255) NOT NULL COMMENT '用户昵称',
`role` varchar(255) NOT NULL COMMENT '用户身份',
`status` int(1) NOT NULL COMMENT '用户状态',
`regTime` datetime NOT NULL COMMENT '注册时间',
`regIp` varchar(255) NOT NULL COMMENT '注册IP',
PRIMARY KEY (`id`),
UNIQUE KEY `email` (`email`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
INSERT INTO `user` VALUES ('1', 'xxx', 'xxxxx', 'xxxxx', 'root', '0', '2017-03-28 09:40:31', '127.0.0.1');
SET FOREIGN_KEY_CHECKS=1;接下来配置类
UserController
package com.chatRobot.controller;
import javax.servlet.http.HttpServletRequest;
import com.chatRobot.model.User;
import com.chatRobot.service.IUserService;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@Controller
@RequestMapping("/user")
public class UserController {
@Resource
private IUserService userService;
@RequestMapping("/showUser.do")
public void selectUser(HttpServletRequest request, HttpServletResponse response) throws IOException {
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
long userId = Long.parseLong(request.getParameter("id"));
User user = this.userService.selectUser(userId);
ObjectMapper mapper = new ObjectMapper();
response.getWriter().write(mapper.writeValueAsString(user));
response.getWriter().close();
}
}IUserDao
package com.chatRobot.dao;
import com.chatRobot.model.User;
public interface IUserDao {
User selectUser(long id);
}User
package com.chatRobot.model;
import java.util.Date;
public class User {
private long id;
private String email;
private String password;
private String username;
private String role;
private int status;
private Date regTime;
private String regIp;
public long getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getRole() {
return role;
}
public void setRole(String role) {
this.role = role;
}
public int getStatus() {
return status;
}
public void setStatus(int status) {
this.status = status;
}
public Date getRegTime() {
return regTime;
}
public void setRegTime(Date regTime) {
this.regTime = regTime;
}
public String getRegIp() {
return regIp;
}
public void setRegIp(String regIp) {
this.regIp = regIp;
}
}IUserService
package com.chatRobot.service;
import com.chatRobot.model.User;
public interface IUserService {
public User selectUser(long userId);
}UserServiceImpl
package com.chatRobot.service.impl;
import com.chatRobot.dao.IUserDao;
import com.chatRobot.model.User;
import com.chatRobot.service.IUserService;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
@Service("userService")
public class UserServiceImpl implements IUserService {
@Resource
private IUserDao userDao;
public User selectUser(long userId) {
return this.userDao.selectUser(userId);
}
}UserDao.xml
xml version="1.0" encoding="UTF-8"?>
<mapper namespace="com.chatRobot.dao.IUserDao">
<select id="selectUser" resultType="User" parameterType="long">
SELECT * FROM user WHERE id = #{id}
select>
mapper>然后新建个测试类,来测试mybatis
IUserDaoTest
package com.chatRobot.dao;
import com.chatRobot.model.User;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
// 加载spring配置文件
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration({"classpath:spring-mybatis.xml"})
public class IUserDaoTest {
@Autowired
private IUserDao dao;
@Test
public void testSelectUser() throws Exception {
long id = 1;
User user = dao.selectUser(id);
System.out.println(user.getUsername());
}
}运行后结果应该是会在控制台输出id为1的用户名,没成功的话就找BUG去吧...
继续新建个页面来测试springmvc和mybatis
index.html
<html>
<head>
<meta charset="UTF-8">
<title>testtitle>
head>
<script>
function selectUser() {
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("test").innerHTML = xmlhttp.responseText;
}
}
xmlhttp.open("POST", "user/showUser.do", true);
xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlhttp.send("id=1");
}
script>
<body>
<p id="test">Hello World!p>
<button type="button" onclick="selectUser()">onclick testbutton>
body>
html>新建完成后配置项目运行环境,点击Run-Edit Configurations...
点击加号新建运行环境,选择Tomcat Server-Local
选中新建好的服务器,右边选择Deployment,点击加号-Atifact...
选择第二项
然后在右边Application context配置你的项目名
最后运行项目,在打开的页面中点击按钮测试,成功的话会在页面上显示id为1的用户信息。

















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