一、整体概览

首先看maven工程的创建

二、各层的文件配置

2.1，SSM父工程

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><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/xsd/maven-4.0.0.xsd">
  2.   <modelVersion>4.0.0</modelVersion>
  3.   <groupId>SSM-parent</groupId>
  4.   <artifactId>Angel.SSM</artifactId>
  5.   <version>0.0.1-SNAPSHOT</version>
  6.   <packaging>pom</packaging>
  7.  
  8.   	<!-- 集中定义依赖版本号 -->
  9. 	<properties>
  10. 		<junit.version>4.12</junit.version>
  11. 		<spring.version>4.1.3.RELEASE</spring.version>
  12. 		<mybatis.version>3.2.8</mybatis.version>
  13. 		<mybatis.spring.version>1.2.2</mybatis.spring.version>
  14. 		<mysql.version>5.1.32</mysql.version>
  15. 		<slf4j.version>1.6.4</slf4j.version>
  16. 		<jackson.version>2.4.2</jackson.version>
  17. 		<druid.version>1.0.9</druid.version>
  18. 		<jstl.version>1.2</jstl.version>
  19. 		<servlet-api.version>2.5</servlet-api.version>
  20. 		<jsp-api.version>2.0</jsp-api.version>
  21. 		<joda-time.version>2.5</joda-time.version>
  22. 		<commons-lang3.version>3.3.2</commons-lang3.version>
  23. 		<commons-io.version>1.3.2</commons-io.version>
  24. 		<commons-net.version>3.3</commons-net.version>
  25. 		<jsqlparser.version>0.9.1</jsqlparser.version>
  26. 		<commons-fileupload.version>1.3.1</commons-fileupload.version>
  27. 	</properties>
  28. 	<dependencyManagement>
  29. 		<dependencies>
  30. 			<!-- 时间操作组件 -->
  31. 			<dependency>
  32. 				<groupId>joda-time</groupId>
  33. 				<artifactId>joda-time</artifactId>
  34. 				<version>${joda-time.version}</version>
  35. 			</dependency>
  36. 			<!-- Apache工具组件 -->
  37. 			<dependency>
  38. 				<groupId>org.apache.commons</groupId>
  39. 				<artifactId>commons-lang3</artifactId>
  40. 				<version>${commons-lang3.version}</version>
  41. 			</dependency>
  42. 			<dependency>
  43. 				<groupId>org.apache.commons</groupId>
  44. 				<artifactId>commons-io</artifactId>
  45. 				<version>${commons-io.version}</version>
  46. 			</dependency>
  47. 			<dependency>
  48. 				<groupId>commons-net</groupId>
  49. 				<artifactId>commons-net</artifactId>
  50. 				<version>${commons-net.version}</version>
  51. 			</dependency>
  52. 			<!-- Jackson Json处理工具包 -->
  53. 			<dependency>
  54. 				<groupId>com.fasterxml.jackson.core</groupId>
  55. 				<artifactId>jackson-databind</artifactId>
  56. 				<version>${jackson.version}</version>
  57. 			</dependency>
  58. 			<!-- 单元测试 -->
  59. 			<dependency>
  60. 				<groupId>junit</groupId>
  61. 				<artifactId>junit</artifactId>
  62. 				<version>${junit.version}</version>
  63. 				<scope>test</scope>
  64. 			</dependency>
  65. 			<!-- 日志处理 -->
  66. 			<dependency>
  67. 				<groupId>org.slf4j</groupId>
  68. 				<artifactId>slf4j-log4j12</artifactId>
  69. 				<version>${slf4j.version}</version>
  70. 			</dependency>
  71. 			<!-- Mybatis -->
  72. 			<dependency>
  73. 				<groupId>org.mybatis</groupId>
  74. 				<artifactId>mybatis</artifactId>
  75. 				<version>${mybatis.version}</version>
  76. 			</dependency>
  77. 			<dependency>
  78. 				<groupId>org.mybatis</groupId>
  79. 				<artifactId>mybatis-spring</artifactId>
  80. 				<version>${mybatis.spring.version}</version>
  81. 			</dependency>
  82. 			<!-- MySql -->
  83. 			<dependency>
  84. 				<groupId>mysql</groupId>
  85. 				<artifactId>mysql-connector-java</artifactId>
  86. 				<version>${mysql.version}</version>
  87. 			</dependency>
  88. 			<!-- 连接池 -->
  89. 			<dependency>
  90. 				<groupId>com.alibaba</groupId>
  91. 				<artifactId>druid</artifactId>
  92. 				<version>${druid.version}</version>
  93. 			</dependency>
  94. 			<!-- Spring -->
  95. 			<dependency>
  96. 				<groupId>org.springframework</groupId>
  97. 				<artifactId>spring-context</artifactId>
  98. 				<version>${spring.version}</version>
  99. 			</dependency>
  100. 			<dependency>
  101. 				<groupId>org.springframework</groupId>
  102. 				<artifactId>spring-beans</artifactId>
  103. 				<version>${spring.version}</version>
  104. 			</dependency>
  105. 			<dependency>
  106. 				<groupId>org.springframework</groupId>
  107. 				<artifactId>spring-webmvc</artifactId>
  108. 				<version>${spring.version}</version>
  109. 			</dependency>
  110. 			<dependency>
  111. 				<groupId>org.springframework</groupId>
  112. 				<artifactId>spring-jdbc</artifactId>
  113. 				<version>${spring.version}</version>
  114. 			</dependency>
  115. 			<dependency>
  116. 				<groupId>org.springframework</groupId>
  117. 				<artifactId>spring-aspects</artifactId>
  118. 				<version>${spring.version}</version>
  119. 			</dependency>
  120. 			<!-- JSP相关 -->
  121. 			<dependency>
  122. 				<groupId>jstl</groupId>
  123. 				<artifactId>jstl</artifactId>
  124. 				<version>${jstl.version}</version>
  125. 			</dependency>
  126. 			<dependency>
  127. 				<groupId>javax.servlet</groupId>
  128. 				<artifactId>servlet-api</artifactId>
  129. 				<version>${servlet-api.version}</version>
  130. 				<scope>provided</scope>
  131. 			</dependency>
  132. 			<dependency>
  133. 				<groupId>javax.servlet</groupId>
  134. 				<artifactId>jsp-api</artifactId>
  135. 				<version>${jsp-api.version}</version>
  136. 				<scope>provided</scope>
  137. 			</dependency>
  138. 		</dependencies>
  139. 	</dependencyManagement>
  140.  
  141. 	<build>
  142. 		<finalName>${project.artifactId}</finalName>
  143. 		<plugins>
  144. 			<!-- 资源文件拷贝插件 -->
  145. 			<plugin>
  146. 				<groupId>org.apache.maven.plugins</groupId>
  147. 				<artifactId>maven-resources-plugin</artifactId>
  148. 				<version>2.7</version>
  149. 				<configuration>
  150. 					<encoding>UTF-8</encoding>
  151. 				</configuration>
  152. 			</plugin>
  153. 			<!-- java编译插件 -->
  154. 			<plugin>
  155. 				<groupId>org.apache.maven.plugins</groupId>
  156. 				<artifactId>maven-compiler-plugin</artifactId>
  157. 				<version>3.2</version>
  158. 				<configuration>
  159. 					<source>1.7</source>
  160. 					<target>1.7</target>
  161. 					<encoding>UTF-8</encoding>
  162. 				</configuration>
  163. 			</plugin>
  164. 		</plugins>
  165. 		<pluginManagement>
  166. 			<plugins>
  167. 				<!-- 配置Tomcat插件 -->
  168. 				<plugin>
  169. 					<groupId>org.apache.tomcat.maven</groupId>
  170. 					<artifactId>tomcat7-maven-plugin</artifactId>
  171. 					<version>2.2</version>
  172. 				</plugin>
  173. 			</plugins>
  174. 		</pluginManagement>
  175. 	</build>
  176.  
  177. 	<modules>
  178. 		<module>Angel-pojo</module>
  179. 		<module>Angel-mapper</module>
  180. 		<module>Angel-service</module>
  181. 		<module>Angel-web</module>
  182. 	</modules>
  183. </project></span>

2.2，pojo不依赖任何jar包，略过

2.3，mapper

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><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/xsd/maven-4.0.0.xsd">
  2.   <modelVersion>4.0.0</modelVersion>
  3.   <parent>
  4.     <groupId>SSM-parent</groupId>
  5.     <artifactId>Angel.SSM</artifactId>
  6.     <version>0.0.1-SNAPSHOT</version>
  7.   </parent>
  8.   <artifactId>Angel-mapper</artifactId>
  9.  
  10.   <!-- 依赖管理 -->
  11. 	<dependencies>
  12. 		<dependency>
  13. 			<groupId>SSM-parent</groupId>
  14. 			<artifactId>Angel-pojo</artifactId>
  15. 			<version>0.0.1-SNAPSHOT</version>
  16. 		</dependency>
  17. 		<!-- Mybatis -->
  18. 		<dependency>
  19. 			<groupId>org.mybatis</groupId>
  20. 			<artifactId>mybatis</artifactId>
  21. 		</dependency>
  22. 		<dependency>
  23. 			<groupId>org.mybatis</groupId>
  24. 			<artifactId>mybatis-spring</artifactId>
  25. 		</dependency>
  26. 		<!-- MySql -->
  27. 		<dependency>
  28. 			<groupId>mysql</groupId>
  29. 			<artifactId>mysql-connector-java</artifactId>
  30. 		</dependency>
  31. 		<!-- 连接池 -->
  32. 		<dependency>
  33. 			<groupId>com.alibaba</groupId>
  34. 			<artifactId>druid</artifactId>
  35. 		</dependency>
  36. 	</dependencies>
  37.  
  38. 	<!-- 如果不添加此节点Mybatis的mapper.xml文件都会被漏掉 -->
  39. 	<build>
  40. 		<resources>
  41. 			<resource>
  42. 				<directory>src/main/java</directory>
  43. 				<includes>
  44. 					<include>**/*.properties</include>
  45. 					<include>**/*.xml</include>
  46. 				</includes>
  47. 				<filtering>false</filtering>
  48. 			</resource>
  49. 		</resources>
  50. 	</build>
  51. </project></span>

2.4，service

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><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/xsd/maven-4.0.0.xsd">
  2.   <modelVersion>4.0.0</modelVersion>
  3.   <parent>
  4.     <groupId>SSM-parent</groupId>
  5.     <artifactId>Angel.SSM</artifactId>
  6.     <version>0.0.1-SNAPSHOT</version>
  7.   </parent>
  8.   <artifactId>Angel-service</artifactId>
  9.  
  10.   <!-- 依赖管理 -->
  11. 	<dependencies>
  12. 		<dependency>
  13. 			<groupId>SSM-parent</groupId>
  14. 			<artifactId>Angel-mapper</artifactId>
  15. 			<version>0.0.1-SNAPSHOT</version>
  16. 		</dependency>
  17.  
  18. 		<!-- Spring -->
  19. 		<dependency>
  20. 			<groupId>org.springframework</groupId>
  21. 			<artifactId>spring-context</artifactId>
  22. 		</dependency>
  23. 		<dependency>
  24. 			<groupId>org.springframework</groupId>
  25. 			<artifactId>spring-beans</artifactId>
  26. 		</dependency>
  27. 		<dependency>
  28. 			<groupId>org.springframework</groupId>
  29. 			<artifactId>spring-webmvc</artifactId>
  30. 		</dependency>
  31. 		<dependency>
  32. 			<groupId>org.springframework</groupId>
  33. 			<artifactId>spring-jdbc</artifactId>
  34. 		</dependency>
  35. 		<dependency>
  36. 			<groupId>org.springframework</groupId>
  37. 			<artifactId>spring-aspects</artifactId>
  38. 		</dependency>
  39. 	</dependencies>
  40.  
  41. </project></span>

2.5，Web

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  2. 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  3. 	<modelVersion>4.0.0</modelVersion>
  4. 	<parent>
  5. 		<groupId>SSM-parent</groupId>
  6. 		<artifactId>Angel.SSM</artifactId>
  7. 		<version>0.0.1-SNAPSHOT</version>
  8. 	</parent>
  9. 	<artifactId>Angel-web</artifactId>
  10. 	<packaging>war</packaging>
  11.  
  12. 	<!-- 依赖管理 -->
  13. 	<dependencies>
  14. 		<dependency>
  15. 			<groupId>SSM-parent</groupId>
  16. 			<artifactId>Angel-service</artifactId>
  17. 			<version>0.0.1-SNAPSHOT</version>
  18. 		</dependency>
  19. 		<!-- JSP相关 -->
  20. 		<dependency>
  21. 			<groupId>jstl</groupId>
  22. 			<artifactId>jstl</artifactId>
  23. 		</dependency>
  24. 		<dependency>
  25. 			<groupId>javax.servlet</groupId>
  26. 			<artifactId>servlet-api</artifactId>
  27. 			<scope>provided</scope>
  28. 		</dependency>
  29. 		<dependency>
  30. 			<groupId>javax.servlet</groupId>
  31. 			<artifactId>jsp-api</artifactId>
  32. 			<scope>provided</scope>
  33. 		</dependency>
  34. 		<!-- Jackson Json处理工具包 -->
  35. 		<dependency>
  36. 			<groupId>com.fasterxml.jackson.core</groupId>
  37. 			<artifactId>jackson-databind</artifactId>
  38. 		</dependency>
  39. 	</dependencies>
  40. </project></span>

2.5.2，spring整合配置文件

2.5.2.1，Mybatis

目前无，当使用到分页插件，或者额外的功能配置时，需要进行配置，下面以配置分页插件为例：

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><?xml version="1.0" encoding="UTF-8"?>
  2. <!DOCTYPE configuration
  3. 	PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
  4. 	"http://mybatis.org/dtd/mybatis3 config.dtd">
  5.  
  6. <configuration>
  7. 	<!-- 配置分页插件 -->
  8. 	<plugins>
  9. 		<plugin interceptor="com.github.pagehelper.PageHelper">
  10. 			<!-- 设置数据库类型Oracle，MySQL，MarinDBName，SQLite，PostareSQL六种数据库 -->
  11. 			<property name="dialect" value="mysql"/>
  12. 		</plugin>
  13. 	</plugins>
  14. </configuration></span>

jdbc.properties：数据库连接信息配置，主要包括jdbc.driver数据库驱动；jdbc.url数据库连接地址；jdbc.username连接用户名称；jdbc.password用户密码

2.5.2.2，spring配置

（为了分层解耦，为每一层，每一个用途的spring配置，都进行了单独配置）

1，首先：applicationContext-dao.xml，在这一层，主要配置数据库连接池（用到jdbc.properties数据库连接信息），Mybatis配置信息，加载Mybatis的mapper对象

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><beans xmlns="http://www.springframework.org/schema/beans"
  2. 	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
  3. 	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
  4. 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  5. 	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
  6. 	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
  7. 	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
  8. 	http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
  9.  
  10. 	<!-- 数据库连接池 -->
  11. 	<!-- 加载配置文件 -->
  12. 	<context:property-placeholder location="classpath:resource/*.properties" />
  13. 	<!-- 数据库连接池 -->
  14. 	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
  15. 		destroy-method="close">
  16. 		<property name="url" value="${jdbc.url}" />
  17. 		<property name="username" value="${jdbc.username}" />
  18. 		<property name="password" value="${jdbc.password}" />
  19. 		<property name="driverClassName" value="${jdbc.driver}" />
  20. 		<property name="maxActive" value="10" />
  21. 		<property name="minIdle" value="5" />
  22. 	</bean>
  23. 	<!-- 让spring管理sqlsessionfactory-->
  24. 	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
  25. 		<!-- 数据库连接池 -->
  26. 		<property name="dataSource" ref="dataSource" />
  27. 		<!-- 加载mybatis的全局配置文件 -->
  28. 		<property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml" />
  29. 	</bean>
  30. 	<!-- 配置扫描包，加载mapper代理对象 -->
  31. 	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
  32. 		<property name="basePackage" value="Angel.mapper" />
  33.  
  34. 	</bean>
  35. </beans></span>

2，applicationContext-service.xml，主要就是配置扫描包，一句话：

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><!-- 扫描包，加载service实现类 -->
  2. 	<context:component-scan base-package="Angel.service"></context:component-scan>
  3. </span>

3，applicationContext-trans.xml事务传播配置，AOP切面配置

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><beans xmlns="http://www.springframework.org/schema/beans"
  2. 	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
  3. 	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
  4. 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  5. 	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
  6. 	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
  7. 	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
  8. 	http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
  9. 	<!-- 事务管理器 -->
  10. 	<bean id="transactionManager"
  11. 		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
  12. 		<!-- 数据源 -->
  13. 		<property name="dataSource" ref="dataSource" />
  14. 	</bean>
  15. 	<!-- 通知 -->
  16. 	<tx:advice id="txAdvice" transaction-manager="transactionManager">
  17. 		<tx:attributes>
  18. 			<!-- 传播行为 -->
  19. 			<tx:method name="save*" propagation="REQUIRED" />
  20. 			<tx:method name="insert*" propagation="REQUIRED" />
  21. 			<tx:method name="add*" propagation="REQUIRED" />
  22. 			<tx:method name="create*" propagation="REQUIRED" />
  23. 			<tx:method name="delete*" propagation="REQUIRED" />
  24. 			<tx:method name="update*" propagation="REQUIRED" />
  25. 			<tx:method name="find*" propagation="SUPPORTS" read-only="true" />
  26. 			<tx:method name="select*" propagation="SUPPORTS" read-only="true" />
  27. 			<tx:method name="get*" propagation="SUPPORTS" read-only="true" />
  28. 		</tx:attributes>
  29. 	</tx:advice>
  30. 	<!-- 切面 -->
  31. 	<aop:config>
  32. 		<aop:advisor advice-ref="txAdvice"
  33. 			pointcut="execution(* Angel.service.*.*(..))" />
  34. 	</aop:config>
  35. </beans>
  36. </span>

2.5.2.3，springMVC配置

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3. 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
  4. 	xmlns:context="http://www.springframework.org/schema/context"
  5. 	xmlns:mvc="http://www.springframework.org/schema/mvc"
  6. 	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  7.         http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
  8.         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
  9.  
  10. 	<context:component-scan base-package="Angel.controller" />
  11. 	<mvc:annotation-driven />
  12. 	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  13. 		<property name="prefix" value="/WEB-INF/jsp/"></property>
  14. 		<property name="suffix" value=".jsp" />
  15. 	</bean>
  16.  
  17. 	<!-- 资源映射 -->
  18. 	<mvc:resources location="/WEB-INF/css/" mapping="/css/**" />
  19. 	<mvc:resources location="/WEB-INF/js/" mapping="/js/**" />
  20.  
  21. 	<!-- 当有文件上传需要时，定义文件上传解析器，在同时，也需要在pom文件中添加上传jar的依赖 -->
  22. 	<!--<bean id="multipartResolver"
  23. 		class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
  24. 		<!-- 设定默认编码 -->
  25. 		<property name="defaultEncoding" value="UTF-8"></property>
  26. 		<!-- 设定文件上传的最大值5MB，5*1024*1024 -->
  27. 		<property name="maxUploadSize" value="5242880"></property>
  28. 	</bean>-->
  29.  
  30. </beans>
  31. </span>

2.5.2.4，web.xml配置

主要包括，SpringMVC前端控制器的启动，spring容器的启动配置，post乱码过滤

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><?xml version="1.0" encoding="UTF-8"?>
  2. <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  3. 	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
  4. 	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
  5.  version="2.5">
  6. 	<display-name>Angel-web</display-name>
  7. 	<welcome-file-list>
  8. 		<welcome-file>/WEB-INF/jsp/index.jsp</welcome-file>
  9. 	</welcome-file-list>
  10.  
  11. 	<!-- 加载spring容器 -->
  12. 	<context-param>
  13. 		<param-name>contextConfigLocation</param-name>
  14. 		<param-value>classpath:spring/applicationContext-*.xml</param-value>
  15. 	</context-param>
  16. 	<listener>
  17. 		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  18. 	</listener>
  19.  
  20. 	<!-- 解决post乱码过滤器 -->
  21. 	<filter>
  22. 		<filter-name>CharacterEncodingFilter</filter-name>
  23. 		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  24. 		<init-param>
  25. 			<param-name>encoding</param-name>
  26. 			<param-value>utf-8</param-value>
  27. 		</init-param>
  28. 	</filter>
  29. 	<filter-mapping>
  30. 		<filter-name>CharacterEncodingFilter</filter-name>
  31. 		<url-pattern>/*</url-pattern>
  32. 	</filter-mapping>
  33.  
  34. 	<!-- springmvc的前端控制器 -->
  35. 	<servlet>
  36. 		<servlet-name>Angel-web</servlet-name>
  37. 		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  38. 		<init-param>
  39. 			<param-name>contextConfigLocation</param-name>
  40. 			<param-value>classpath:spring/springmvc.xml</param-value>
  41. 		</init-param>
  42. 		<load-on-startup>1</load-on-startup>
  43. 	</servlet>
  44. 	<servlet-mapping>
  45. 		<servlet-name>Angel-web</servlet-name>
  46. 		<url-pattern>/</url-pattern>
  47. 	</servlet-mapping>
  48. </web-app></span>

三、具体实例

3.1，pojo实例类

TbUser.java(篇幅所限，set和get方法略去)

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;">package Angel.pojo;
  2.  
  3. import java.util.Date;
  4.  
  5. public class TbUser {
  6.     private Long id;
  7.  
  8.     private String username;
  9.  
  10.     private String password;
  11.  
  12.     private String phone;
  13.  
  14.     private String email;
  15.  
  16.     private Date created;
  17.  
  18.     private Date updated;</span>

3.2，mapper

3.2.1，mapper接口类TbUserMapper.java

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;">package Angel.mapper;
  2.  
  3. import Angel.pojo.TbUser;
  4.  
  5. public interface TbUserMapper {
  6.  
  7.     TbUser selectByName(String Name);
  8.  
  9. }</span>

3.2.2，sql实现文件TbUserMapper.xml

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"></pre><pre name="code" class="html"><?xml version="1.0" encoding="UTF-8" ?>
  2. <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
  3. <mapper namespace="Angel.mapper.TbUserMapper" >
  4.   <resultMap id="BaseResultMap" type="Angel.pojo.TbUser" >
  5.     <id column="id" property="id" jdbcType="BIGINT" />
  6.     <result column="username" property="username" jdbcType="VARCHAR" />
  7.     <result column="password" property="password" jdbcType="VARCHAR" />
  8.     <result column="phone" property="phone" jdbcType="VARCHAR" />
  9.     <result column="email" property="email" jdbcType="VARCHAR" />
  10.     <result column="created" property="created" jdbcType="TIMESTAMP" />
  11.     <result column="updated" property="updated" jdbcType="TIMESTAMP" />
  12.   </resultMap>
  13.  
  14.    <select id="selectByName" resultMap="BaseResultMap" parameterType="java.lang.String" >
  15.     select
  16.     id, username, password,phone, email, created, updated
  17.     from tb_user
  18.     where username = #{username,jdbcType=VARCHAR}
  19.   </select>
  20. </mapper></span>

3.3，service

UserServiceImpl.java（接口省略）

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;">package Angel.service.impl;
  2.  
  3. import org.springframework.beans.factory.annotation.Autowired;
  4. import org.springframework.stereotype.Service;
  5.  
  6. import Angel.mapper.TbUserMapper;
  7. import Angel.pojo.TbUser;
  8. import Angel.service.UserService;
  9.  
  10. @Service(value="userService")
  11. public class UserServiceImpl implements UserService {
  12.  
  13. 	@Autowired
  14. 	private TbUserMapper userMapper;
  15.  
  16. 	@Override
  17. 	public TbUser selectByName(String Name) {
  18.  
  19. 		return userMapper.selectByName(Name);
  20. 	}
  21. }
  22. </span>

3.4，web-UserController.java

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;">package Angel.controller;
  2.  
  3. import java.io.IOException;
  4. import java.io.PrintWriter;
  5.  
  6. import javax.servlet.http.HttpServletResponse;
  7.  
  8. import org.springframework.beans.factory.annotation.Autowired;
  9. import org.springframework.stereotype.Controller;
  10. import org.springframework.web.bind.annotation.PathVariable;
  11. import org.springframework.web.bind.annotation.RequestMapping;
  12.  
  13. import Angel.pojo.TbUser;
  14. import Angel.service.UserService;
  15.  
  16. import com.fasterxml.jackson.databind.ObjectMapper;
  17.  
  18. @Controller
  19. public class UserController {
  20.  
  21. 	@Autowired
  22. 	private UserService userService;
  23.  
  24. 	@RequestMapping("/user/find/{name}")
  25. 	public void insertUser(@PathVariable("name") String name,HttpServletResponse response) throws IOException {
  26.  
  27. 		TbUser user=userService.selectByName(name);
  28.  
  29. 		ObjectMapper objectMapper=new ObjectMapper();
  30. 		response.setContentType("application/json;charset=UTF-8");
  31. 		String json="";
  32. 		PrintWriter out=response.getWriter();
  33. 		if(user!=null){
  34. 			json=objectMapper.writeValueAsString(user);
  35. 			out.write(json);
  36. 		}else{
  37. 			out.write("error");
  38. 		}
  39. 	}
  40. }</span>

3.5，JSP页面

  1. <span style="font-family:KaiTi_GB2312;font-size:18px;"><%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
  2. <%
  3. 	String path = request.getContextPath();
  4. 	String basePath = request.getScheme() + "://"+ request.getServerName() + ":" + request.getServerPort()+ path + "/";
  5. %>
  6.  
  7. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  8. <html>
  9. <head>
  10. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  11.  
  12. <title>SSM-Angel</title>
  13.  
  14. <link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.4.1/themes/default/easyui.css" />
  15. <link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.4.1/themes/icon.css" />
  16.  
  17. </head>
  18. <body>
  19.  
  20. 	<input type="text"   id="username"/><br><br>
  21. 	<span id="detail"></span><br><br>
  22. 	<input type="button" id="" value="查询" onclick="findUser()"/>
  23.  
  24. <script type="text/javascript" src="js/jquery-easyui-1.4.1/jquery.min.js"></script>
  25. <script type="text/javascript" src="js/jquery-easyui-1.4.1/jquery.easyui.min.js"></script>
  26. <script type="text/javascript" src="js/jquery-easyui-1.4.1/locale/easyui-lang-zh_CN.js"></script>
  27. <script type="text/javascript">
  28. 	function findUser(){
  29. 		var username=$("#username").val();
  30. 		$.post('<%=basePath%>user/find/'+username,function(data){
  31. 				//测试框架效果，输入的用户，在数据库中存在相应数据，因此未做判空处理
  32. 				if(data!="error"){
  33. 					var detailInfo="username:"+data.username+"   phone:"+data.phone+"  ...";
  34. 					$("#detail").text(detailInfo);
  35. 				}else{
  36. 					$.messager.alert("info","查询用户出错！")
  37. 				}
  38. 			});
  39. 	}
  40. </script>
  41. </body>
  42. </html>
  43. </span>

3.6，运行结果截图

四、总结

虽然用maven减少了jar下载引用的负担，但是，从SSM框架的搭建可以看出，引入了特别多的依赖，而且，当我在父工程进行引用后，在各个子模块需要用到的时候，还需要再次依赖引用，有什么方法可以解决这种依赖引用呢，接下来介绍spring boot

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