WEBAPP开发之使用idea2017搭建SSM框架-职坐标

WEBAPP开发之使用idea2017搭建SSM框架

白羽 2019-01-23 来源：网络阅读 1546 评论 0

摘要：本文将带你了解WEBAPP开发转-使用idea2017搭建SSM框架，希望本文对大家学WEBAPP有所帮助。

本文将带你了解WEBAPP开发转-使用idea2017搭建SSM框架，希望本文对大家学WEBAPP有所帮助。

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="//maven.apache.org/POM/4.0.0" xmlns:xsi="//www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="//maven.apache.org/POM/4.0.0 //maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.chatRobot</groupId> <artifactId>ChatRobot</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>ChatRobot Maven Webapp</name> <url>//maven.apache.org</url> <properties>  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>  <spring.version>4.3.5.RELEASE</spring.version>  <mybatis.version>3.4.1</mybatis.version> </properties> <dependencies>  <dependency> <groupId>javax</groupId> <artifactId>javaee-api</artifactId> <version>7.0</version> </dependency>  <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> </dependency>  <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.2.2</version> </dependency>  <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.8.7</version> </dependency>  <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.41</version> <scope>runtime</scope> </dependency>  <dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.5.2</version> </dependency>  <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency>  <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.1</version> </dependency>  <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${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>ChatRobot</finalName> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration>  <source>1.8</source> <target>1.8</target> </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%n</pattern> </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commitc3p0.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=2

spring-mybatis.xml

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="//www.springframework.org/schema/beans" xmlns:xsi="//www.w3.org/2001/XMLSchema-instance" xmlns:context="//www.springframework.org/schema/context" xmlns:tx="//www.springframework.org/schema/tx" xsi:schemaLocation="//www.springframework.org/schema/beans //www.springframework.org/schema/beans/spring-beans.xsd //www.springframework.org/schema/context //www.springframework.org/schema/context/spring-context.xsd //www.springframework.org/schema/tx //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

web.xml

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="//xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="//www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="//xmlns.jcp.org/xml/ns/javaee //xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> <display-name>ChatRobot</display-name> <description>ChatRobot_Alpha_0.0.1</description>  <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>  <servlet> <servlet-name>SpringMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  <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>  <url-pattern>/</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.html</welcome-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"?><!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "//mybatis.org/dtd/mybatis-3-mapper.dtd"><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

<!DOCTYPE html><html><head> <meta charset="UTF-8"> <title>test</title></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 test</button></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。

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

根据这个博客，大概写了样子，不过有点修改，特记录如下：

//0.根据这个博客改的//www.cnblogs.com/hackyo/p/6646051.html，使用idea2017搭建SSM框架
//1.zh20170922 这里两个RequestMapping 最后页面访问的是//localhost:8080/test/index
//2.信息: Deployment of web application directory D:\DownRecSoft\apache-tomcat-7.0.77\webapps\manager has finished in 88 ms
//看到上面has finished in 88 ms 就可以调试了

//3.pom.xml里面加插件
// /*    <plugins>
//     <plugin>
//        <groupId>org.mybatis.generator</groupId>
//        <artifactId>mybatis-generator-maven-plugin</artifactId>
//        <version>1.3.2</version>
//        <configuration>
//          <verbose>true</verbose>
//          <overwrite>true</overwrite>
//        </configuration>
//      </plugin>
//      <plugin>
//        <groupId>org.apache.maven.plugins</groupId>
//        <artifactId>maven-compiler-plugin</artifactId>
//        <configuration>
//          <source>1.7</source>
//          <target>1.7</target>
//        </configuration>
//      </plugin>
//    </plugins>
// */mybatis-generator:generate 插件自动生成数据的dao/UserCarOrderMapper.java，dao/UserCarOrderMapper.xml，entity/UserCarOrder.java 这三个文件，不用手写了

    //4.更改tomcat地址是，edit configuration/application server 后面的configure 点/更改tomcat home
    //之前tomcat版本是7.0.22 编译不过，改成7.0.77就好了

    //5.zh20170925 配置文件有红色的，是要修改的，比如 spring-mvc.xml 里面
    //<context:component-scan base-package="com.tianhong.controller"/>com.tianhong.controller是红色，其实是错的，要改成
    //<context:component-scan base-package="com.tianhong.*.controller"/>，就好了，因为com.tainhong.controller这个文件夹不存在，一个*表示一级目录，**两个表示所有目录

    //6.maven/mybatis-generator 只能第一次使用的时候生成三个文件，如果后面数据库有修改，不能再次点击mybatis-generator:generate，不然UserCarOrderMapper.xml会生成几个增删改查方法
    //数据库有修改的话，方法一把这三个文件都删除再次点击generator，方法二手动修改UserCarOrderMapper.xml文件

    //7.dao/UserCarOrderMapper.xml 这个文件应该放在resources文件夹下面，如果放在dao文件夹下，pom.xml要加个配置/*    <resources>
    // <resource>
    //    <directory>src/main/java</directory>
    //    <includes>
    //      <include>**/*.xml</include>
    //    </includes>
    // </resource>
    // </resources>*/

    //8.如果spring-mvc.xml文件,.jsp文件必须在/WEB-INF/views/文件夹下，默认生成的index.jsp目录要改，增加文件夹views
    // 
    // <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>

    //9.如果TestController.java 里model.addAttribute("entity",entity.getName());，jsp里面是<h2>Hello World!${entity}</h2>，显示的是Hello World!zh

    //10.spring-mybatis.xml里<property name="mapperLocations" value="classpath:mapper/*.xml"/>这个文件夹其实是不存在的，要改成
    // <property name="mapperLocations" value="classpath:com/tianhong/**/*Mapper.xml"/>，其实还是飘红要改的

    //11.<property name="basePackage" value="com.tianhong.dao"/>同理应该是<property name="basePackage" value="com.tianhong.*.dao"/>

    // 12. 怎样换成阿里的 druid 和 fastjson？