spring+springmvc+maven+mybatis整合

jar包依赖:网址search.maven.org

1.spring :spring-core            2. myhabits:myhabits

3.整合spring和myhabits:myhabits-spring

4.连接数据库:mysql:mysql-connector-java

5.测试包:junit       添加作用域<scope>test</scope>

6.引入数据源的jar包    例:druid、jdbc、c3p0

spring.xml//自动扫描，自动注入<context:component-scan base-package="mygd.service"

//弹出引入注解的框  Alt+Shift+s

7.org.aspectj   weaver    jar包

8.springmvc:spring-webmvc

//自动扫描controller包下的所有类，使其认为spring mvc的控制器

<context:component-scan base-package="sy.controller"/>

//可以配置Jackson避免IE执行AJAX时，返回json出现下载文件   导入包  jackson-mapper-asi

class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"

<ref bean="mappingJacksonHttpMessageConverter" /><!-- json转换器 -->

//启动spring MVC的注解功能，完成请求和注解POJO的映射

9.文件上传包    commons-fileupload

10.请求包     javax.servlet

11.log4j

12.fastjson

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//项目启动  配置web-xml

<context-param>
<param-name>contextConfigLocation</param-name>           contextConfigLocation    上下文
<param-value>classpath:applicationContext.xml</param-value>
</context-param>

<filter></filter>   过滤器   可以设置字符编码

<filter-mapping>   </filter-mapping>    映射

<listener>         //监听器
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

1.配置前端控制器//<servlet>为重点           配置前端控制器DispatcherServlet

<servlet>
<servlet-name>mybatis</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

//复制spring-web-4.1.2.RELEASE-sources.jar包下的DispatcherServlet.class
<init-param>    //初始参数  源码里面

<!--contextConfigLocation配置springmvc加载的配置文件(配置处理器映射器，适配器等等)    -->
<param-name>contextConfigLocation</param-name>
<param-value>classpath:mybatis-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mybatis</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

在上文的classpath下，也就是mybatis-servlet.xml中配置处理器映射器，处理器适配器，配置视图解析器

mybatis-servlet.xml开头部分配置springmvc的头

<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" 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/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

</beans>

2.配置处理器映射器

3.配置处理器适配器

继承HandlerAdapter

4.配置视图解析器

<property name="viewResolvers">
<list>
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />     //前缀
<property name="suffix" value=".jsp" />                //后缀
</bean>
</list>
</property>
<property name="defaultViews">
<list>
<bean
class="org.springframework.web.servlet.view.json.MappingJackson2JsonView" />
<bean class="org.springframework.web.servlet.view.xml.MarshallingView">
<property name="marshaller" ref="castorMarshaller" />
</bean>
</list>
</property>

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log4j配置文件

开发阶段建议开启DEBUG模式  stdout

log4j.rootLogger=INFO,Console,File
#log4j.logger.java.sql.PreparedStatement=DEBUG,stdout          //开发阶段的日志
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n

log4j.appender.File = org.apache.log4j.RollingFileAppender
log4j.appender.File.File = logs/ssm.log
log4j.appender.File.MaxFileSize = 10MB
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