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一直在使用ssm框架，之前有eclipse 手动拖jar包的方式搭建了一个ssm框架，现在学习使用idea 和 maven 所以决定搭建一个ssm 回忆一下ssm框架的具体结构。
选择新建项目：
输入项目名：
JAVA的包的结构，是main目录里java的目录结构。 ArtifactID就是项目的唯一的标识符，实际对应项目的名称，就是项目根目录的名称。
输入项目信息：
Local repository：maven 本地仓库地址；
选择项目地址后点击完成建立项目
生成项目成功后
点击 视图-》工具窗口-》maven projects 打开右边的maven 管理窗口
下方会出现 下载的提示
如果没有启动下载的同学可以 点击 重新导入按钮启动下载 该按钮也会检查xml文件 进行下载
因为maven默认的是使用国外的源，所以可能出现下载很慢的情况， 如果出现下载过慢，建议开启VPN，或者使用国内的镜像源，国内做的比较好的是阿里云，博主就是用的阿里云的镜像，至于阿里云的镜像具体怎么使用会在后续的博客中给出。
初步搭建完成后 目录如下：
搭建完成后我们就可以往里面搭架子：
新建逻辑处理代码：
com/lq/controller : 存放控制器代码，接收数据，根据数据调用不同的逻辑处理，数据处理（service）代码；
com/lq/service：存放服务层代码，处理从控制器（controller）中传来的数据，并调用dao层链接数据库获取数据，并处理回传；
com/lq/dao : 存放数据库curd（增删改查）操作定义接口代码；接口，有mybatis自动化工具生成的文件之一，定义了数据表映射成的对象，具有的操作 ；
com/lq/entity：持久层，缓存存放从数据库中获取的数据；
resources/map：存放mybatis数据库语句定义文件，具体是sql语句，以xml格式存在，即mybatis的语法文件。
现在可以修改pom.xml 文件将我们需要的项目需要的jar包引入
-
<?xml version="1.0" encoding="UTF-8"?>
-
<!--
-
Licensed to the Apache Software Foundation (ASF) under one
-
or more contributor license agreements. See the NOTICE file
-
distributed with this work for additional information
-
regarding copyright ownership. The ASF licenses this file
-
to you under the Apache License, Version 2.0 (the
-
"License"); you may not use this file except in compliance
-
with the License. You may obtain a copy of the License at
-
-
http://www.apache.org/licenses/LICENSE-2.0
-
-
Unless required by applicable law or agreed to in writing,
-
software distributed under the License is distributed on an
-
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-
KIND, either express or implied. See the License for the
-
specific language governing permissions and limitations
-
under the License.
-
-->
-
<!-- $Id: pom.xml 642118 2008-03-28 08:04:16Z reinhard $ -->
-
<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>
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<packaging>war
</packaging>
-
-
<name>ssmDemo
</name>
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<groupId>com.lq.ssmDemo
</groupId>
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<artifactId>ssmDemo
</artifactId>
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<version>1.0-SNAPSHOT
</version>
-
-
-
<properties>
-
<project.build.sourceEncoding>UTF-8
</project.build.sourceEncoding>
-
<!-- spring版本号 -->
-
<spring.version>4.1.4.RELEASE
</spring.version>
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<!-- mybatis版本号 -->
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<mybatis.version>3.2.8
</mybatis.version>
-
<!-- log4j日志文件管理包版本 -->
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<slf4j.version>1.7.7
</slf4j.version>
-
<log4j.version>1.2.17
</log4j.version>
-
<!-- jackson包版本 -->
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<jackson.version>2.5.0
</jackson.version>
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</properties>
-
-
-
<build>
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<plugins>
-
<plugin>
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<groupId>org.mortbay.jetty
</groupId>
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<artifactId>maven-jetty-plugin
</artifactId>
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<version>6.1.7
</version>
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<configuration>
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<connectors>
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<connector implementation="org.mortbay.jetty.nio.SelectChannelConnector">
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<port>8888
</port>
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<maxIdleTime>30000
</maxIdleTime>
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</connector>
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</connectors>
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<webAppSourceDirectory>${project.build.directory}/${pom.artifactId}-${pom.version}
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</webAppSourceDirectory>
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<contextPath>/
</contextPath>
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</configuration>
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</plugin>
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</plugins>
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</build>
-
-
<dependencies>
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<!--dependency>
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<groupId>com.lq.ssmDemo</groupId>
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<artifactId>[the artifact id of the block to be mounted]</artifactId>
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<version>1.0-SNAPSHOT</version>
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</dependency-->
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<dependency>
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<groupId>junit
</groupId>
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<artifactId>junit
</artifactId>
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<version>3.8.1
</version>
-
<scope>test
</scope>
-
</dependency>
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<!-- mybatis核心包 -->
-
<dependency>
-
<groupId>org.mybatis
</groupId>
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<artifactId>mybatis
</artifactId>
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<version>${mybatis.version}
</version>
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</dependency>
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<!-- mybatis/spring包 -->
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<dependency>
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<groupId>org.mybatis
</groupId>
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<artifactId>mybatis-spring
</artifactId>
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<version>1.2.2
</version>
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</dependency>
-
-
<!--spring单元测试依赖 -->
-
<dependency>
-
<groupId>org.springframework
</groupId>
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<artifactId>spring-test
</artifactId>
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<version>${spring.version}
</version>
-
<!--<version>3.8.1</version>-->
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<scope>test
</scope>
-
</dependency>
-
-
<!-- springMVC核心包 -->
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<dependency>
-
<groupId>org.springframework
</groupId>
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<artifactId>spring-webmvc
</artifactId>
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<version>${spring.version}
</version>
-
</dependency>
-
-
<!-- spring核心包 -->
-
<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-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-jdbc
</artifactId>
-
<version>${spring.version}
</version>
-
</dependency>
-
-
<dependency>
-
<groupId>javax.servlet
</groupId>
-
<artifactId>javax.servlet-api
</artifactId>
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<version>3.0.1
</version>
-
<scope>provided
</scope>
-
</dependency>
-
-
<dependency>
-
<groupId>javax.servlet.jsp
</groupId>
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<artifactId>jsp-api
</artifactId>
-
<version>2.2
</version>
-
<scope>provided
</scope>
-
</dependency>
-
-
<!-- 导入Mysql数据库链接jar包 -->
-
<dependency>
-
<groupId>mysql
</groupId>
-
<artifactId>mysql-connector-java
</artifactId>
-
<version>5.1.30
</version>
-
</dependency>
-
-
<!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->
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<dependency>
-
<groupId>commons-dbcp
</groupId>
-
<artifactId>commons-dbcp
</artifactId>
-
<version>1.2.2
</version>
-
</dependency>
-
-
<!-- JSTL标签类 -->
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<dependency>
-
<groupId>jstl
</groupId>
-
<artifactId>jstl
</artifactId>
-
<version>1.2
</version>
-
</dependency>
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<!-- 日志文件管理包 -->
-
<!-- log start -->
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<dependency>
-
<groupId>log4j
</groupId>
-
<artifactId>log4j
</artifactId>
-
<version>${log4j.version}
</version>
-
</dependency>
-
-
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<!-- 格式化对象，方便输出日志 -->
-
<dependency>
-
<groupId>com.alibaba
</groupId>
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<artifactId>fastjson
</artifactId>
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<version>1.1.41
</version>
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</dependency>
-
-
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<dependency>
-
<groupId>org.slf4j
</groupId>
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<artifactId>slf4j-api
</artifactId>
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<version>${slf4j.version}
</version>
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</dependency>
-
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<dependency>
-
<groupId>org.slf4j
</groupId>
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<artifactId>slf4j-log4j12
</artifactId>
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<version>${slf4j.version}
</version>
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</dependency>
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<!-- log end -->
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<!-- 映入JSON -->
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<dependency>
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<groupId>org.codehaus.jackson
</groupId>
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<artifactId>jackson-mapper-asl
</artifactId>
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<version>1.9.13
</version>
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</dependency>
-
-
<dependency>
-
<groupId>com.fasterxml.jackson.core
</groupId>
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<artifactId>jackson-databind
</artifactId>
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<version>2.1.0
</version>
-
</dependency>
-
<dependency>
-
<groupId>com.fasterxml.jackson.core
</groupId>
-
<artifactId>jackson-annotations
</artifactId>
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<version>2.1.0
</version>
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</dependency>
-
-
<!-- 上传组件包 -->
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<dependency>
-
<groupId>commons-fileupload
</groupId>
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<artifactId>commons-fileupload
</artifactId>
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<version>1.3.1
</version>
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</dependency>
-
<dependency>
-
<groupId>commons-io
</groupId>
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<artifactId>commons-io
</artifactId>
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<version>2.4
</version>
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</dependency>
-
<dependency>
-
<groupId>commons-codec
</groupId>
-
<artifactId>commons-codec
</artifactId>
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<version>1.9
</version>
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</dependency>
-
-
<dependency>
-
<groupId>junit
</groupId>
-
<artifactId>junit
</artifactId>
-
<!--<version>4.11</version>-->
-
<version>3.8.1
</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>
-
-
<!--Spring test相关依赖-->
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<dependency>
-
<groupId>org.springframework
</groupId>
-
<artifactId>spring-test
</artifactId>
-
<version>4.1.7.RELEASE
</version>
-
</dependency>
-
<dependency>
-
<groupId>junit
</groupId>
-
<artifactId>junit
</artifactId>
-
<version>RELEASE
</version>
-
</dependency>
-
-
<dependency>
-
<groupId>org.jsoup
</groupId>
-
<artifactId>jsoup
</artifactId>
-
<version>1.8.1
</version>
-
</dependency>
-
-
<dependency>
-
<groupId>net.sourceforge.htmlunit
</groupId>
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<artifactId>htmlunit
</artifactId>
-
<version>2.15
</version>
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</dependency>
-
-
-
<dependency>
-
<groupId>org.seleniumhq.selenium
</groupId>
-
<artifactId>selenium-java
</artifactId>
-
<version>2.33.0
</version>
-
</dependency>
-
-
<dependency>
-
<groupId>us.codecraft
</groupId>
-
<artifactId>webmagic-core
</artifactId>
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<version>0.6.1
</version>
-
</dependency>
-
<dependency>
-
<groupId>us.codecraft
</groupId>
-
<artifactId>webmagic-extension
</artifactId>
-
<version>0.6.1
</version>
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</dependency>
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</dependencies>
-
<repositories>
-
<repository>
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<id>JBoss repository
</id>
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<url>https://repository.jboss.org/nexus/content/repositories/releases/
</url>
-
</repository>
-
</repositories>
-
</project>
然后点击更新文件
在resources文件夹下创建文件夹spring文件夹 存放即将创建的spring框架文件
在spring文件夹下创建文件jdbc.properties存放数据库jdbc链接配置文件
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driver=com.mysql.jdbc.Driver
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url=
jdbc:
mysql:/
/localhost:3306/huiqun?useUnicode=
true&characterEncoding=utf-
8
-
username=root
-
password=root
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#定义初始连接数
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initialSize=
0
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#定义最大连接数
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maxActive=
20
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#定义最大空闲
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maxIdle=
20
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#定义最小空闲
-
minIdle=
1
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#定义最长等待时间
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maxWait=
60000
在resources/spring 文件夹下创建spring-mvc.xml 存放spring MVC 配置信息
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi=
"http://www.w3.org/2001/XMLSchema-instance"
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xmlns:context=
"http://www.springframework.org/schema/context"
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xmlns:mvc=
"http://www.springframework.org/schema/mvc"
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xsi:schemaLocation=
"http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
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http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">
-
-
<!-- 启动注解驱动的Spring MVC功能，注册请求url和注解POJO类方法的映射-->
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<!-- <mvc:annotation-driven/> -->
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<mvc:default-servlet-handler/>
-
-
<!-- 自动扫描且只扫描@Controller 切只扫描后缀为Controller的文件 -->
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<context:component-scan base-package="com" use-default-filters="false">
-
<!-- 平台的controller，可以写多个 -->
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<context:include-filter type="aspectj" expression="com.lq.controller..*Controller"/>
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</context:component-scan>
-
-
<!-- 对静态资源文件的访问 restful-->
-
<mvc:resources mapping="/static/**" location="/,/static/" />
-
<!--<mvc:resources mapping="/plugins/**" location="/,/plugins/" />
-
<mvc:resources mapping="/uploadFiles/**" location="/,/uploadFiles/" /> -->
-
<!-- 定义跳转的文件的前后缀 ，视图模式配置-->
-
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" >
-
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView">
</property>
-
<property name="prefix" value="/WEB-INF/views/">
</property>
-
<property name="suffix" value=".jsp">
</property>
-
</bean>
-
-
<mvc:annotation-driven>
-
<mvc:message-converters register-defaults="true">
-
<!-- 避免IE执行AJAX时,返回JSON出现下载文件 -->
-
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
-
<property name="supportedMediaTypes">
-
<list>
-
<value>text/html;charset=UTF-8
</value>
-
<value>text/json;charset=UTF-8
</value>
-
<value>application/json;charset=UTF-8
</value>
-
</list>
-
</property>
-
</bean>
-
</mvc:message-converters>
-
</mvc:annotation-driven>
-
<!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->
-
<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="1048576000" />
-
<!-- 内存中的最大值 -->
-
<property name="maxInMemorySize" value="40960" />
-
</bean>
-
</beans>
接下来配置spring和mybatis 结合的配置文件 mybatis-config.xml和spring-mybatis.xml
mybatis-config.xml
此配置的作用是可以让mybatis在执行的时候打印日志，mybatis还有其他很多配置选项，有需求的小伙伴再仔细查看更详细的博文。关于mybatis的配置。
-
<?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>
-
<!--配置全局属性-->
-
<!-- 让mybatis 打印log日志 -->
-
<settings>
-
<setting name="logImpl" value="LOG4J" />
-
<setting name="cacheEnabled" value="true"/>
-
</settings>
-
</configuration>
spring-mybatis.xml
请务必仔细看里面的配置内容，尤其涉及到路径的地方很多地方出现错误，都是因为spring或mybatis自动扫描的路径错误，导致mapping无法被识别。
-
<?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-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">
-
<!-- 自动扫描 -->
-
<context:component-scan base-package="com.lq" />
-
<!-- 引入配置文件 -->
-
<bean id="propertyConfigurer"
-
class=
"org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
-
<property name="location" value="classpath:resources/spring/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" />
-
<property name="configLocation" value="classpath:resources/spring/mybatis-config.xml">
</property>
-
<!-- 自动扫描mapping.xml文件 -->
-
<property name="mapperLocations" value="classpath:resources/map/*Map.xml">
</property>
-
</bean>
-
-
<!-- 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.lq.dao" />
-
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory">
</property>
-
</bean>
-
-
<!-- (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>
-
-
</beans>
接下来配置log4j.xml和log4j.properties 打印log日志配置
log4j.xml
-
<?xml version="1.0" encoding="UTF-8"?>
-
<!DOCTYPE log4j:configuration SYSTEM "http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/xml/doc-files/log4j.dtd">
-
-
<log4j:configuration debug="true">
-
<!-- ===================================================================== -->
-
<!-- 定义全局输出适配器 -->
-
<!-- ===================================================================== -->
-
<appender name="consoleAppender" class="org.apache.log4j.ConsoleAppender">
-
<layout class="org.apache.log4j.PatternLayout">
-
<param name="ConversionPattern" value="[%d{yyyy-MM-dd HH:mm:ss.SSS}]-[%c]-[%t] %x - %m%n"/>
-
</layout>
-
</appender>
-
-
<!-- Mybatis and SQL -->
-
<logger name="org.apache.ibatis" additivity="true">
-
<level value="DEBUG"/>
-
<appender-ref ref="consoleAppender"/>
-
</logger>
-
-
<logger name="org.mybatis.spring" additivity="true">
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<level value="ERROR"/>
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<appender-ref ref="consoleAppender"/>
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</logger>
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<logger name="java.sql" additivity="true">
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<level value="DEBUG"/>
-
<appender-ref ref="consoleAppender"/>
-
</logger>
-
-
<logger name="java.sql.Connection" additivity="true">
-
<level value="DEBUG"/>
-
<appender-ref ref="consoleAppender"/>
-
</logger>
-
-
<logger name="java.sql.Statement" additivity="true">
-
<level value="DEBUG"/>
-
<appender-ref ref="consoleAppender"/>
-
</logger>
-
-
<logger name="java.sql.PreparedStatement" additivity="true">
-
<level value="DEBUG"/>
-
<appender-ref ref="consoleAppender"/>
-
</logger>
-
-
<!-- Spring -->
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<logger name="org.springframework" additivity="true">
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<level value="ERROR"/>
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<appender-ref ref="consoleAppender"/>
-
</logger>
-
-
<!-- ActiveMQ -->
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<logger name="org.apache.activemq" additivity="true">
-
<level value="ERROR"/>
-
<appender-ref ref="consoleAppender"/>
-
</logger>
-
<!-- ===================================================================== -->
-
<!-- 根日志记录器 -->
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<!-- ===================================================================== -->
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<root>
-
<level value="DEBUG"/>
-
<appender-ref ref="consoleAppender"/>
-
</root>
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</log4j:configuration>
log4j.properties
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#定义LOG输出级别
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log4j.rootLogger=INFO,Console,File
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#定义日志输出目的地为控制台
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log4j.appender.Console=org.apache.log4j.ConsoleAppender
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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
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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
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log4j.appender.File.File = logs/ssm.log
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#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
以上只是基本配置，如果有其他需求，自行查阅log4j的相关资料。
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