手动搭建ssm框架（适宜新手）

2024-01-09 17:20
文章标签 ssm 搭建 框架 新手 手动 适宜

本文主要是介绍手动搭建ssm框架（适宜新手），希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

在公司一直做分布式的项目，项目基本拿过来的时候架构师把整体框架，所用技术全都选择好了，我们只要按照约束去写代码就好了，没事，我就想看自己是否还能搭建出ssm框架，说实话，还是耗费力气的，不过总算弄出来了，适合显新手。

我的jdk是1.7版本的

首先我们新建一个maven项目如图所示：我勾选这个是因为之前用提供的模板最后项目总是目录结构不太对，各种原因导致，索性我就不用模板，这样绝对可以，当然大家根据自己喜好来。

点击next，选择war包，finish

finish之后我们的项目会报错，那是因为我们没有web.xml导致的，所以我们鼠标右键项目会出现如图：

然后我们点击下箭头所指的那个 生成web.xml就不会报错了。

   先提出整体项目的结构图：

数据库脚本：

CREATE DATABASE maven;
USE maven;CREATE TABLE `user` (`id` INT(12) NOT NULL AUTO_INCREMENT,`name` VARCHAR(50) NOT NULL,`password` VARCHAR(50) NOT NULL,`age` INT(9) NOT NULL,PRIMARY KEY (`id`)
) ENGINE=INNODB AUTO_INCREMENT=12 DEFAULT CHARSET=utf8;INSERT  INTO `user`(`id`,`name`,`password`,`age`) VALUES (1,'admin','admin',22);

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>4.0.0</modelVersion><groupId>com.csq.study</groupId><artifactId>ssm-test</artifactId><packaging>war</packaging><version>0.0.1-SNAPSHOT</version><name>Maven_Project Maven Webapp</name><url>http://maven.apache.org</url><!-- 用来设置版本号 --><properties><spring.version>4.0.2.RELEASE</spring.version><mybatis.version>3.2.8</mybatis.version><slf4j.version>1.7.12</slf4j.version><log4j.version>1.2.17</log4j.version></properties><!-- 用到的jar包 --><dependencies><!-- 单元测试 --><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.11</version><!-- 表示开发的时候引入，发布的时候不会加载此包 --><scope>test</scope></dependency><!-- java ee包 --><dependency><groupId>javax</groupId><artifactId>javaee-api</artifactId><version>7.0</version></dependency><!-- spring框架包 start --><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-oxm</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>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aop</artifactId><version>${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-expression</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-orm</artifactId><version>${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-aspects</artifactId><version>${spring.version}</version></dependency><!-- spring框架包 end --><!-- mybatis框架包 start --><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>${mybatis.version}</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>1.2.2</version></dependency><!-- mybatis框架包 end --><!-- 数据库驱动 --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.35</version></dependency><!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 --><dependency><groupId>commons-dbcp</groupId><artifactId>commons-dbcp</artifactId><version>1.4</version></dependency><!-- jstl标签类 --><dependency><groupId>jstl</groupId><artifactId>jstl</artifactId><version>1.2</version></dependency><dependency><groupId>taglibs</groupId><artifactId>standard</artifactId><version>1.1.2</version></dependency><!-- 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 --><!-- Json --><!-- 格式化对象，方便输出日志 --><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.6</version></dependency><dependency><groupId>org.codehaus.jackson</groupId><artifactId>jackson-mapper-asl</artifactId><version>1.9.13</version></dependency><!-- 上传组件包 start --><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.1</version></dependency><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.4</version></dependency><dependency><groupId>commons-codec</groupId><artifactId>commons-codec</artifactId><version>1.10</version></dependency><!-- 上传组件包 end --><!-- AL相关添加 --><dependency><groupId>net.sourceforge.jexcelapi</groupId><artifactId>jxl</artifactId><version>2.6</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi</artifactId><version>3.8</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>3.9</version></dependency><!-- AL相关添加 --></dependencies><build><finalName>ssm-test</finalName><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>2.3.2</version><configuration><source>1.7</source><target>1.7</target></configuration></plugin></plugins></build>
</project>

2.在src/main/resources下添加如下配置文件 

  applicationContext.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:p="http://www.springframework.org/schema/p"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-3.1.xsd  http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-3.1.xsd  http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"><!--表示 使用注解式注入 --><context:annotation-config /><!-- 自动扫描 controller所在的包--><context:component-scan base-package="com.csq" /><import resource="spring-dao.xml"/><import resource="spring-db.xml"/><import resource="spring-tx.xml"/></beans>

jdbc.properties

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://127.0.0.1:3306/maven
username=root
password=root
#定义初始连接数
initialSize=0
#定义最大连接数
maxActive=20
#定义最大空闲
maxIdle=20
#定义最小空闲
minIdle=1
#定义最长等待时间
maxWait=60000

log4j.properties

#定义LOG输出级别
log4j.rootLogger=INFO,Console,File
#定义日志输出目的地为控制台
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#可以灵活地指定日志输出格式，下面一行是指定具体的格式
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n#文件大小到达指定尺寸的时候产生一个新的文件
log4j.appender.File = org.apache.log4j.RollingFileAppender
#指定输出目录
log4j.appender.File.File = logs/ssm.log
#定义文件最大大小
log4j.appender.File.MaxFileSize = 10MB
# 输出所以日志，如果换成DEBUG表示输出DEBUG以上级别日志
log4j.appender.File.Threshold = ALL
log4j.appender.File.layout = org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n

spring-dao.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:p="http://www.springframework.org/schema/p"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-3.1.xsd  http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-3.1.xsd  http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"><!-- DAO接口所在包名，Spring会自动查找其下的类 --><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="com.csq.study.dao" /><property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property></bean>                       </beans>

spring-db.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:p="http://www.springframework.org/schema/p"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-3.1.xsd  http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-3.1.xsd  http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"><!-- 引入配置文件 --><bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"><property name="location" value="classpath:jdbc.properties" /></bean><bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"><property name="driverClassName" value="${driver}" /><property name="url" value="${url}" /><property name="username" value="${username}" /><property name="password" value="${password}" /><!-- 初始化连接大小 --><property name="initialSize" value="${initialSize}"></property><!-- 连接池最大数量 --><property name="maxActive" value="${maxActive}"></property><!-- 连接池最大空闲 --><property name="maxIdle" value="${maxIdle}"></property><!-- 连接池最小空闲 --><property name="minIdle" value="${minIdle}"></property><!-- 获取连接最大等待时间 --><property name="maxWait" value="${maxWait}"></property></bean><!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 --><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource" /><!-- 自动扫描mapping.xml文件 --><property name="mapperLocations" value="classpath:com/csq/study/dao/*.xml""></property></bean></beans>

spring-tx.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:p="http://www.springframework.org/schema/p"xmlns:context="http://www.springframework.org/schema/context"xmlns:aop="http://www.springframework.org/schema/aop"xmlns:tx="http://www.springframework.org/schema/tx"xmlns:mvc="http://www.springframework.org/schema/mvc"xsi:schemaLocation="http://www.springframework.org/schema/beans  http://www.springframework.org/schema/beans/spring-beans-3.1.xsd  http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-3.1.xsd  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx-3.1.xsd"><!-- (事务管理)transaction manager, use JtaTransactionManager for global tx --><bean id="transactionManager"class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource" /></bean><!--  配置参与事务的类 --><aop:config><aop:pointcut id="allServiceMethod" expression="execution(* com.csq.study.service.*.*(..))"/><aop:advisor pointcut-ref="allServiceMethod" advice-ref="TxAdvice" /></aop:config><!-- 使用声明方式配置事务 --><tx:advice id="TxAdvice" transaction-manager="transactionManager"><tx:attributes><tx:method name="*" propagation="REQUIRED" rollback-for="java.lang.Exception"/></tx:attributes></tx:advice></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:p="http://www.springframework.org/schema/p"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-3.1.xsd  http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-3.1.xsd  http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"><!-- 添加注解驱动 -->  <mvc:annotation-driven /><mvc:default-servlet-handler/><!-- 设置使用注解的类所在的包 --><context:component-scan base-package="com.csq.study.controller" /><!-- 定义跳转的文件的前后缀 ，视图模式配置--><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><!-- 自动给后面action的方法return的字符串加上前缀和后缀，可跳到对应的jsp。方便我们代码的书写 --><property name="prefix" value="/WEB-INF/jsp/" /><property name="suffix" value=".jsp" /></bean><!-- SpringMVC上传文件时，需要配置MultipartResolver处理器--><bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">  <!-- 默认编码 --><property name="defaultEncoding" value="utf-8" />  <!-- 文件大小最大值 --><property name="maxUploadSize" value="10485760000" />  <!-- 内存中的最大值 --><property name="maxInMemorySize" value="40960" />  </bean> </beans>

controller层：

package com.csq.study.controller;import java.util.List;import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;import com.csq.study.service.UserService;
import com.csq.study.vo.User;@Controller
@RequestMapping("/user")
public class UserController {@Resourceprivate UserService userService;@RequestMapping("/userListInfo")public String userList(HttpServletRequest request,Model model){List<User> list = userService.getAllUser();model.addAttribute("list", list);return "userListInfo";}@RequestMapping("/showUser")public String showUser(HttpServletRequest request,Model model){System.out.println(request.getParameter("id"));int userId = Integer.parseInt(request.getParameter("id"));User user = userService.getUserById(userId);model.addAttribute("user", user);return "showUserPage";}@RequestMapping("/addUserUI")public String addUserUI(){return "addUserUI";}@RequestMapping("/addUser")public String addUser(HttpServletRequest request,Model model){User user = new User();user.setName(String.valueOf(request.getParameter("name")));user.setPassword(String.valueOf(request.getParameter("password")));user.setAge(Integer.parseInt(String.valueOf(request.getParameter("age"))));userService.addUser(user);return "redirect:/user/userListInfo";}
}

service接口：

package com.csq.study.service;import java.util.List;import com.csq.study.vo.User;public interface UserService {public User getUserById(int userId);public void insertUser(User user);public void addUser(User user);public List<User> getAllUser();
}

serviceImpl:

package com.csq.study.serviceImpl;import java.util.List;import javax.annotation.Resource;import org.springframework.stereotype.Service;import com.csq.study.dao.UserDao;
import com.csq.study.service.UserService;
import com.csq.study.vo.User;@Service("userService")
public class UserServiceImpl implements UserService {@Resourceprivate UserDao userDao;public User getUserById(int userId) {return userDao.queryById(userId);}public void insertUser(User user) {userDao.insertUser(user);}public void addUser(User user) {userDao.insertUser(user);}@Overridepublic List<User> getAllUser() {return userDao.getAllUser();}}

dao:

package com.csq.study.dao;import java.util.List;import com.csq.study.vo.User;public interface UserDao {public User queryById(Integer id);public List<User> getAllUser();public void insertUser(User user);public void updateUser(User user);}

mapper.xml文件：这个可以自己用逆向工程工具生成，当然简单的我们自己写，也可以锻炼锻炼

<?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.csq.study.dao.UserDao" >  <resultMap id="BaseResultMap" type="com.csq.study.vo.User"><result column="id" property="id" jdbcType="INTEGER" /><result column="name" property="name" jdbcType="VARCHAR" /><result column="password" property="password" jdbcType="VARCHAR" /><result column="age" property="age" jdbcType="INTEGER" /></resultMap><sql id="Base_Column_List">id, name, password, age</sql><!-- 查询用户--><select id="queryById" resultMap="BaseResultMap"parameterType="java.lang.Integer">select<include refid="Base_Column_List" />from userwhere id = #{id,jdbcType=INTEGER}</select><!-- 查询用户--><select id="getAllUser" resultMap="BaseResultMap">select<include refid="Base_Column_List" />from user</select><!-- 插入用户 --><insert id="insertUser" parameterType="com.csq.study.vo.User">insert into user  <trim prefix="(" suffix=")" suffixOverrides="," >  <if test="id != null" >  id,  </if>  <if test="name != null" >  name,  </if>  <if test="password != null" >  password,  </if>  <if test="age != null" >  age,  </if>  </trim>  <trim prefix="values (" suffix=")" suffixOverrides="," >  <if test="id != null" >  #{id,jdbcType=INTEGER},  </if>  <if test="name != null" >  #{name,jdbcType=VARCHAR},  </if>  <if test="password != null" >  #{password,jdbcType=VARCHAR},  </if>  <if test="age != null" >  #{age,jdbcType=INTEGER},  </if>  </trim>   </insert><!-- 删除用户 --><delete id="deleteById" parameterType="java.lang.Integer">delete from userwhere id = #{id,jdbcType=INTEGER}  </delete><!-- 更新用户 --><update id="updateUser" parameterType="com.csq.study.vo.User" >  update user  <set >  <if test="name != null" >  name = #{name,jdbcType=VARCHAR},  </if>  <if test="password != null" >  password = #{password,jdbcType=VARCHAR},  </if>  <if test="age != null" >  age = #{age,jdbcType=INTEGER},  </if>  </set>  where id = #{id,jdbcType=INTEGER} </update></mapper>

实体类User:

package com.csq.study.vo;public class User {private int id;private String name;private String password;private int age;public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}}

在WEB-INF下新建一个文件夹jsp，里面放如下的jsp

addUserUI.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><base href="<%=basePath%>"><title>My JSP 'addUser.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body><form id="addUser" action="user/addUser" method="post"> userName: <input id="name" name="name" /><br/> password: <input id="password" name="password" /><br/> age: <input id="age" name="age"/><br/> <input type="submit" value="添加新用户"/> </form></body>
</html>

 showUserPage.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><base href="<%=basePath%>"><title>My JSP 'showUser.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body>${user.name }<br></body>
</html>

userListInfo.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><base href="<%=basePath%>"><title>My JSP 'showUser.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body><c:forEach items="${list }" var="u">名称：${u.name}年龄：${u.age }<br/></c:forEach></body>
</html>

ok。项目写完 我们放在tomcat上运行，然后输入：

本项目中容易出现的错误：

我们访问http://localhost:8080/ssm-test/user/showUser会出现如下图：

这是访问路径写的不对，正确的访问是：

tomcat启动报错：大部分是配置文件和web.xml中扫描的路径又出错，自己根据报错逐一检查就可以了。

 

转载注明出处：https://blog.csdn.net/FindHuni/article/details/83862445 

这篇关于手动搭建ssm框架（适宜新手）的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！


http://www.chinasem.cn/article/587863。

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