SSM框架搭建

于 2019-03-05 23:07:28 发布
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分类专栏： SSM 文章标签： myEclipse SSM
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本文链接：https://blog.youkuaiyun.com/ARRAYHEPPY/article/details/88211474
本文详细介绍了如何在myEclipse中整合Spring、SpringMVC和MyBatis（SSM）框架，从添加必要的jar包开始，到配置web.xml、springmvc.xml等文件，再到设置mybatis.xml和dao层，最后实现Controller和Service层的注解配置，提供了完整的步骤和代码示例。

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本文采用myEclipse 整合SSM框架
第一步jar包 WEB-INF > lib
链接: https://pan.baidu.com/s/1CtToolxjDXVyVBvQb_L7wQ 提取码: 9af7
在这里插入图片描述ark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0FSUkFZSEVQUFk=,size_16,color_FFFFFF,t_70)
第二步
web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
  <display-name></display-name>	
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  
<!--  过滤器允许通过的格式  -->
<servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>*.js</url-pattern>
    <url-pattern>*.css</url-pattern>
    <url-pattern>*.png</url-pattern>
    <url-pattern>*.jpg</url-pattern>
    <url-pattern>*.assets</url-pattern>
    <url-pattern>*.images</url-pattern>
  </servlet-mapping>
 
  <!-- springmvc 的配置 -->
  <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/springmvc.xml</param-value>  <!-- classpath 路径到src -->
        </init-param>
    </servlet>

    <servlet-mapping>
    <!--spring容器监听器，加载spring容器  -->
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
     <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/applicationContext-*.xml</param-value>  <!-- 加载所有此路径下的xml文件 -->
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
</web-app>

在这里插入图片描述
第三步
mybatis.xml

<?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>
    <!-- setting配置根据需要再添加 -->
    <!-- 配置别名 -->
    <typeAliases>
        <package name="com.nb.entity"/><!-- 扫描实体类包  实体类可小写如User>user -->
    </typeAliases>

    <!-- mapper这里不需要配置了，因为跟spring整合后，在spring那边会进行mapper的扫描
        但必须遵循：mapper.xml和mapper.java必须同名且在一个目录
    -->
</configuration>

第四步
db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc\:mysql\://localhost\:3306/crmdb
jdbc.username=root
jdbc.password=admin

第五步
springmvc.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:mvc="http://www.springframework.org/schema/mvc"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd">

	<!-- 一个配置节解决映射器和适配器的配置注解配置 -->
	<mvc:annotation-driven></mvc:annotation-driven>
    <mvc:default-servlet-handler/>
	<mvc:interceptors>
		<mvc:interceptor>
			<mvc:mapping path="/**" />
			<mvc:mapping path="/CRM/**" />
			<bean class="com.nb.interceptor.AccessInterceptor">
			</bean>
		</mvc:interceptor>
		<mvc:interceptor>
			<mvc:mapping path="/**" />
			<mvc:mapping path="/CRM/**" />
			<mvc:exclude-mapping path="/CRM/login.jsp" />
			<mvc:exclude-mapping path="/CRM/js/**" />
			<bean class="com.nb.interceptor.Login"></bean>
		</mvc:interceptor>
	</mvc:interceptors>

	<!-- 扫描所有的Controller -->
	<context:component-scan base-package="com.nb.controller"></context:component-scan>
	<bean
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/" /><!-- 注意WEB-INF前面带个/，否则restful不能实现 -->
		<property name="suffix" value=".jsp" />
	</bean>

	<!-- 静态资源解析，包括js,css,img... -->
	<mvc:resources location="/js/" mapping="/js/**"></mvc:resources>
	<mvc:resources location="/img/" mapping="/img/**"></mvc:resources>
</beans>

第六步
applicationContext-transaction.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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd">

     <!-- 事务管理器 -->
   <!-- 对mybatis操作数据事务控制，spring使用jdbc的事务控制类 -->
   <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 数据源dataSource在applicationContex-dao.xml中配置了 -->
        <property name="dataSource" ref="dataSource"/>
   </bean>

   <!-- 通知 -->
   <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="insert*" propagation="REQUIRED"/>
            <tx:method name="remove*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="add*" propagation="REQUIRED"/>
            <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="list*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>
        </tx:attributes>
   </tx:advice>

   <aop:config>
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.nb.service.UsersServiceImpl.*(..))"/>
   </aop:config>

</beans>

第七步
applicationContext-service.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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd">
<context:component-scan base-package="com.nb.service"/><!-- 扫描所有的service包里的注解 -->
 <mvc:annotation-driven/>
</beans>

第八步
applicationContext-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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd">
        
        <context:component-scan base-package="com.nb.service"/>
         <context:component-scan base-package="com.nb.interceptor"/>
         <mvc:annotation-driven/>
        
        
    <!-- 加载db.properties文件中的内容 -->  
    <context:property-placeholder location="classpath:db.properties"/>

    <!-- 配置数据源dbcp -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driver}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
        <property name="maxActive" value="10" />
        <property name="maxIdle" value="5" />
    </bean>

    <!-- 配置sqlSessionFactory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="configLocation" value="classpath:mybatis.xml"/>
        <property name="mapperLocations" value="classpath:com.nb.mapper.*.xml"/>
    </bean>

    <!-- 配置mapper扫描器 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 扫描包的路径，如果需要扫描多个包，中间使用半角 逗号隔开-->
        <property name="basePackage" value="com.nb.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    </bean>
</beans>

在这里插入图片描述package com.nb.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

/**

  • @author Administrator

*/
public class AccessInterceptor implements HandlerInterceptor {

@Override
public void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3)
		throws Exception {
	// TODO Auto-generated method stub

}

@Override
public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
		throws Exception {
	// TODO Auto-generated method stub

}

@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object arg2) throws Exception {
	
	    response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "x-requested-with");
        return true;
}

}
`

package com.nb.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class Login implements HandlerInterceptor {

	@Override
	public void afterCompletion(HttpServletRequest request,
			HttpServletResponse response, Object obj, Exception err)
			throws Exception {

	}

	@Override
	public void postHandle(HttpServletRequest request,
			HttpServletResponse response, Object obj, ModelAndView mav)
			throws Exception {
		// response.sendRedirect("login.jsp");

	}

	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object obj) throws Exception {
		String uname = (String) request.getSession().getAttribute("uname");
		String uri = request.getRequestURI();
		System.out.println("uname===============" + uname);
		if (uri.equals("/CRM/login")) {
			return true;
		} else if (uname != null && !"".equals(uname)) {
			return true;
		} else {
			response.sendRedirect(request.getContextPath() + "/login.jsp");
		}
		return false;

	}

}

Mapper映射文件格式

<?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.nb.mapper.ModulesMapper">
	<resultMap id="modules" type="modules">
		<id property="id" column="Id" jdbcType="INTEGER" />
		<result property="name" column="Name" jdbcType="VARCHAR" />
		<result property="parentId" column="ParentId" jdbcType="INTEGER" />
		<result property="path" column="Path" jdbcType="VARCHAR" />
		<result property="weight" column="Weight" jdbcType="INTEGER" />
		<result property="ops" column="Ops" jdbcType="VARCHAR" />
		<result property="int0" column="Int0" jdbcType="INTEGER" />
	</resultMap>

	<sql id="columns">
		Id id,Name name,ParentId parentId,Path path,Weight weight,
		Ops ops,Int0 int0
	</sql>
	<!--查询是否已存在的模块 -->
	<select id="getModuleByNID" parameterType="modules" resultType="modules">
		select * from modules where ParentId=#{parentId} and Name=#{name}
	</select>
</mapper>

serviceimpl注解

@Component
public class ConsultingServiceImpl implements ConsultingService {
@Autowired
private ConsultingMapper conMapper;

controller注解

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import com.nb.entity.Abc;
import com.nb.entity.Askers;
import com.nb.entity.Netfollows;
import com.nb.entity.Students;
import com.nb.entity.Userchecks;
import com.nb.entity.ui.Log;
import com.nb.mapper.NetAskerMapper;
import com.nb.service.ConsultingService;
import com.nb.service.UsersService;
import com.nb.util.Result;

@Controller
public class ConsultingController {
@Autowired
private ConsultingService conService;
@Autowired
private NetAskerMapper netService;
@Autowired
private UsersService uService;

/**
 * 网络追踪多条件查询
 * 
 * @param page
 * @param rows
 * @param Name
 * @param FollowTime
 * @param NextFollowTime
 * @param FollowType
 * @param FollowState
 * @return
 * @throws ParseException
 */
@RequestMapping("/getAllConsulting")
public @ResponseBody
Map<String, Object> getAllConsult(int page, int rows, String Name,
		String FollowTime, String NextFollowTime, String FollowType,
		String FollowState,int uid) throws ParseException {
	int pageSize = (page - 1) * rows;
	Map<String, Object> map = new HashMap<String, Object>();
	Askers asker=uService.getAskersbyUserId(uid);
	if(asker!=null){
		map.put("askerId", asker.getAskerId());
	}
	map.put("pageSize", pageSize);
	map.put("rows", rows);
	map.put("Name", Name);
	map.put("FollowTime", FollowTime);
	map.put("NextFollowTime", NextFollowTime);
	map.put("FollowType", FollowType);
	map.put("FollowState", FollowState);
	System.out.println("map======================="+map);
	List<Netfollows> roleslist = conService.getAllfollowcount(map);
	int total = conService.getNetfollowcount();
	Map<String, Object> map1 = new HashMap<String, Object>();
	map1.put("rows", roleslist);
	map1.put("total", total);
	return map1;
}
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