SSM整合

SSM整合：

创建工程添加jar包(spring（包括springmvc）、mybatis、mybatis-spring整合包、数据库驱动、第三方连接池)
整合思路：

Dao层：

SqlMapConfig.xml，空文件即可。需要文件头。
applicationContext-dao.xml。
1. 数据库连接池
2. SqlSessionFactory对象，需要spring和mybatis整合包下的。
3. 配置mapper文件扫描器。

Service层：

applicationContext-service.xml包扫描器，扫描@service注解的类。
applicationContext-trans.xml配置事务。

表现层：

Springmvc.xml

包扫描器，扫描@Controller注解的类。
配置注解驱动。
视图解析器

Web.xml

配置前端控制器。

代码：

创建工程，拷贝jar包
整合mybatis(sqlmapconfig.xml、applicationContext-dao.xml)

sqlmapconfig.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>

</configuration>

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"
	xmlns:task="http://www.springframework.org/schema/task" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd 
		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
		http://www.springframework.org/schema/task
   		http://www.springframework.org/schema/task/spring-task-4.0.xsd
		http://code.alibabatech.com/schema/dubbo        
		http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

	<!-- 配置 读取properties文件 jdbc.properties -->
	<context:property-placeholder location="classpath:jdbc.properties" />

	<!-- 配置 数据源 -->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
		<!-- 驱动 -->
		<property name="driverClassName" value="${jdbc.driver}" />
		<!-- url -->
		<property name="url" value="${jdbc.url}" />
		<!-- 用户名 -->
		<property name="username" value="${jdbc.username}" />
		<!-- 密码 -->
		<property name="password" value="${jdbc.password}" />
	</bean>

	<!-- 配置 Mybatis的工厂 -->
	<bean class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 数据源 -->
		<property name="dataSource" ref="dataSource" />
		<!-- 配置Mybatis的核心 配置文件所在位置 -->
		<property name="configLocation" value="classpath:SqlMapConfig.xml" />
		<!-- 配置pojo别名 -->
		<property name="typeAliasesPackage" value="com.itheima.boot.pojo"></property>
	</bean>

	<!-- 配置 1：原始Dao开发 接口实现类 Mapper.xml 三个 2：接口开发 接口 不写实现类 Mapper.xml 二个 （UserDao、ProductDao 
		、BrandDao。。。。。。。） 3：接口开发、并支持扫描 cn.itcast.core.dao(UserDao。。。。。） 写在此包下即可被扫描到 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.itheima.boot.dao" />
	</bean>

</beans>

jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/crm?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root

resource.properties

customer.source.code=002
customer.industory.code=001
customer.level.code=006

整合service(applicationContext-service.xml 、applicationTrans.xml)

applicationService.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"
	xmlns:task="http://www.springframework.org/schema/task" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd 
		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
		http://www.springframework.org/schema/task
   		http://www.springframework.org/schema/task/spring-task-4.0.xsd
		http://code.alibabatech.com/schema/dubbo        
		http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
	<!-- 配置  扫描   @Service -->
	<context:component-scan base-package="com.itheima.boot.service"/>
</beans>

applicationTrans.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"
	xmlns:task="http://www.springframework.org/schema/task" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd 
		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
		http://www.springframework.org/schema/task
   		http://www.springframework.org/schema/task/spring-task-4.0.xsd
		http://code.alibabatech.com/schema/dubbo        
		http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

	<!-- 事务管理器 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<!-- 数据源 -->
		<property name="dataSource" ref="dataSource" />
	</bean>
	<!-- 通知 -->
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>
			<!-- 传播行为 -->
			<tx:method name="save*" propagation="REQUIRED" />
			<tx:method name="insert*" propagation="REQUIRED" />
			<tx:method name="add*" propagation="REQUIRED" />
			<tx:method name="create*" propagation="REQUIRED" />
			<tx:method name="delete*" propagation="REQUIRED" />
			<tx:method name="update*" propagation="REQUIRED" />
			<tx:method name="find*" propagation="SUPPORTS" read-only="true" />
			<tx:method name="select*" propagation="SUPPORTS" read-only="true" />
			<tx:method name="get*" propagation="SUPPORTS" read-only="true" />
		</tx:attributes>
	</tx:advice>
	<!-- 切面 -->
	<aop:config>
		<aop:advisor advice-ref="txAdvice"
			pointcut="execution(* com.itheima.boot.service.*.*(..))" />
	</aop:config>
</beans>

整合controller层(springmvcxml)

<?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-4.0.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd 
		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">

	<!-- 配置 读取properties文件 jdbc.properties -->
	<context:property-placeholder location="classpath:resource.properties" />
	
	<context:component-scan base-package="com.itheima.boot.controller" />
	<!-- 配置处理器映射器 适配器 -->
	<mvc:annotation-driven />
	<!-- 配置视图解释器 jsp -->
	<bean id="jspViewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/jsp/" />
		<property name="suffix" value=".jsp" />
	</bean>
</beans>

web.xml

<!-- 初始化spring 容器 -->
  <context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:spring/applicationContext-*.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
  
  
  <!-- 配置前段控制器 -->
  <servlet>
  	<servlet-name>springmvc</servlet-name>
  	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  	<init-param>
  		<!-- 指定springmvc配置文件的路径 
  			如果不指定默认为：/WEB-INF/${servlet-name}-servlet.xml
  		-->
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:spring/springmvc.xml</param-value>
  	</init-param>
  </servlet>
  <servlet-mapping>
  	<servlet-name>springmvc</servlet-name>
  	<url-pattern>*.action</url-pattern>
  </servlet-mapping>
 
  <!-- 解决post乱码问题 -->
  <filter>
		<filter-name>CharacterEncodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>utf-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>CharacterEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

总结：

整合dao
整合service
整合controller

03.向工程中添加静态资源及分页标签.avi

代码：

public class NavigationTag extends TagSupport {
    static final long serialVersionUID = 2372405317744358833L;
    
    /**
     * request 中用于保存Page<E> 对象的变量名,默认为“page”
     */
    private String bean = "page";
    
    /**
     * 分页跳转的url地址,此属性必须
     */
    private String url = null;
    
    /**
     * 显示页码数量
     */
    private int number = 5;
    
    @Override
    public int doStartTag() throws JspException {
        JspWriter writer = pageContext.getOut();
        HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
        Page page = (Page)request.getAttribute(bean); 
        if (page == null) 
            return SKIP_BODY;
        url = resolveUrl(url, pageContext);
        try {
        	//计算总页数
        	int pageCount = page.getTotal() / page.getSize();
        	if (page.getTotal() % page.getSize() > 0) {
        		pageCount++;
        	}
        	writer.print("<nav><ul class=\"pagination\">");
            //显示“上一页”按钮
        	if (page.getPage() > 1) {
                String preUrl = append(url, "page", page.getPage() - 1);
                preUrl = append(preUrl, "rows", page.getSize());
                writer.print("<li><a href=\"" + preUrl + "\">上一页</a></li>");
            } else {
            	writer.print("<li class=\"disabled\"><a href=\"#\">上一页</a></li>");
            }
            //显示当前页码的前2页码和后两页码 
            //若1 则 1 2 3 4 5, 若2 则 1 2 3 4 5, 若3 则1 2 3 4 5,
            //若4 则 2 3 4 5 6 ,若10  则 8 9 10 11 12
            int indexPage = (page.getPage() - 2 > 0)? page.getPage() - 2 : 1;  
            for(int i=1; i <= number && indexPage <= pageCount; indexPage++, i++) {
                if(indexPage == page.getPage()) {
                    writer.print( "<li class=\"active\"><a href=\"#\">"+indexPage+"<span class=\"sr-only\">(current)</span></a></li>");
                    continue;
                }
                String pageUrl  = append(url, "page", indexPage);
                pageUrl = append(pageUrl, "rows", page.getSize());
                writer.print("<li><a href=\"" + pageUrl + "\">"+ indexPage +"</a></li>");
            }
            //显示“下一页”按钮
            if (page.getPage() < pageCount) {
                String nextUrl  = append(url, "page", page.getPage() + 1);
                nextUrl = append(nextUrl, "rows", page.getSize());
                writer.print("<li><a href=\"" + nextUrl + "\">下一页</a></li>");
            } else {
            	writer.print("<li class=\"disabled\"><a href=\"#\">下一页</a></li>");
            }
            writer.print("</nav>");
        } catch (IOException e) {
            e.printStackTrace();
        }
        return SKIP_BODY;
    }
    
    private String append(String url, String key, int value) {

        return append(url, key, String.valueOf(value));
    }
    
    /**
     * 为url 参加参数对儿
     * 
     * @param url
     * @param key
     * @param value
     * @return
     */
    private String append(String url, String key, String value) {
        if (url == null || url.trim().length() == 0) {
            return "";
        }

        if (url.indexOf("?") == -1) {
            url = url + "?" + key + "=" + value;
        } else {
            if(url.endsWith("?")) {
                url = url + key + "=" + value;
            } else {
                url = url + "&amp;" + key + "=" + value;
            }
        }
        
        return url;
    }
    
    /**
     * 为url 添加翻页请求参数
     * 
     * @param url
     * @param pageContext
     * @return
     * @throws javax.servlet.jsp.JspException
     */
    private String resolveUrl(String url, javax.servlet.jsp.PageContext pageContext) throws JspException{
    	//UrlSupport.resolveUrl(url, context, pageContext)
    	Map params = pageContext.getRequest().getParameterMap();
    	for (Object key:params.keySet()) {
    		if ("page".equals(key) || "rows".equals(key)) continue;
    		Object value = params.get(key);
    		if (value == null) continue;
    		if (value.getClass().isArray()) {
    			url = append(url, key.toString(), ((String[])value)[0]);
    		} else if (value instanceof String) {
    			url = append(url, key.toString(), value.toString());
    		}
    	}
        return url;
    }
    
    

    /**
     * @return the bean
     */
    public String getBean() {
        return bean;
    }

    /**
     * @param bean the bean to set
     */
    public void setBean(String bean) {
        this.bean = bean;
    }

    /**
     * @return the url
     */
    public String getUrl() {
        return url;
    }

    /**
     * @param url the url to set
     */
    public void setUrl(String url) {
        this.url = url;
    }

    public void setNumber(int number) {
        this.number = number;
    }
    
}

public class Page<T> {
    
	private int total;
	private int page;
	private int size;
    private List<T> rows;
	public int getTotal() {
		return total;
	}
	public void setTotal(int total) {
		this.total = total;
	}
	public int getPage() {
		return page;
	}
	public void setPage(int page) {
		this.page = page;
	}
	public int getSize() {
		return size;
	}
	public void setSize(int size) {
		this.size = size;
	}
	public List<T> getRows() {
		return rows;
	}
	public void setRows(List<T> rows) {
		this.rows = rows;
	}
}

<!DOCTYPE taglib
  PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
  "http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">
<taglib>
	<tlib-version>2.0</tlib-version>
	<jsp-version>1.2</jsp-version>
	<short-name>common</short-name>
	<uri>http://itcast.cn/common/</uri>
	<display-name>Common Tag</display-name>
	<description>Common Tag library</description>

	<tag>
		<name>page</name>
		<tag-class>com.itheima.boot.util.NavigationTag</tag-class>
		<body-content>JSP</body-content>
		<description>create navigation for paging</description>
		<attribute>
			<name>bean</name>
			<rtexprvalue>true</rtexprvalue>
		</attribute>
		<attribute>
			<name>number</name>
			<rtexprvalue>true</rtexprvalue>
		</attribute>
		<attribute>
			<name>url</name>
			<required>true</required>
			<rtexprvalue>true</rtexprvalue>
		</attribute>
	</tag>
</taglib

总结：

自定义分页标签实现分页

04.初始化下拉列表-dao.avi

代码：

public class BaseDict {

	private String dict_id;
	private String dict_type_code;
	private String dict_type_name;
	private String dict_item_name;
	private String dict_item_code;
	private Integer dict_sort;
	private String dict_enable;
	private String dict_memo;

public interface BaseDictDao {

	List<BaseDict> getDictListByTypeCode(String typeCode);
}

<?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.itheima.boot.dao.BaseDictDao">
	<select id="getDictListByTypeCode" parameterType="string" resultType="BaseDict">
		SELECT * FROM `base_dict` WHERE dict_type_code=#{typeCode}
	</select>
</mapper>

总结：

先写pojo
再写接口
最后写映射文件

05.初始化下拉列表-完成.avi

代码：

						<div class="form-group">
							<label for="customerName">客户名称</label> 
							<input type="text" class="form-control" id="customerName" value="${custName }" name="custName">
						</div>
						<div class="form-group">
							<label for="customerFrom">客户来源</label> 
							<select	class="form-control" id="customerFrom" placeholder="客户来源" name="custSource">
								<option value="">--请选择--</option>
								<c:forEach items="${fromType}" var="item">
									<option value="${item.dict_id}"<c:if test="${item.dict_id == custSource}"> selected</c:if>>${item.dict_item_name }</option>
								</c:forEach>
							</select>
						</div>
						<div class="form-group">
							<label for="custIndustry">所属行业</label>
							<select	class="form-control" id="custIndustry"  name="custIndustory">
								<option value="">--请选择--</option>
								<c:forEach items="${industryType}" var="item">
									<option value="${item.dict_id}"<c:if test="${item.dict_id == custIndustry}"> selected</c:if>>${item.dict_item_name }</option>
								</c:forEach>
							</select>
						</div>
						<div class="form-group">
							<label for="custLevel">客户级别</label>
							<select	class="form-control" id="custLevel" name="custLevel">
								<option value="">--请选择--</option>
								<c:forEach items="${levelType}" var="item">
									<option value="${item.dict_id}"<c:if test="${item.dict_id == custLevel}"> selected</c:if>>${item.dict_item_name }</option>
								</c:forEach>
							</select>
						</div>

	@RequestMapping("/customer/list")
	public String showCustomerList(Model model) throws Exception {
		//初始化客户来源
		List<BaseDict> sourceList = baseDictService.getDictListByTypeCode(custSorceCode);
		//所属行业
		List<BaseDict> industoryList = baseDictService.getDictListByTypeCode(custIndustoryCode);
		//客户级别
		List<BaseDict> levelList = baseDictService.getDictListByTypeCode(custLevelCode);
		//把字典信息传递给页面
		model.addAttribute("fromType", sourceList);
		model.addAttribute("industryType", industoryList);
		model.addAttribute("levelType", levelList);
		return "customer";
	}

总结：

06.客户信息列表查询分析.avi

代码：

	@RequestMapping("/customer/list")
	public String showCustomerList(QueryVo queryVo,Model model) throws Exception {
		
		//初始化客户来源
		List<BaseDict> sourceList = baseDictService.getDictListByTypeCode(custSorceCode);
		//所属行业
		List<BaseDict> industoryList = baseDictService.getDictListByTypeCode(custIndustoryCode);
		//客户级别
		List<BaseDict> levelList = baseDictService.getDictListByTypeCode(custLevelCode);
		//把字典信息传递给页面
		model.addAttribute("fromType", sourceList);
		model.addAttribute("industryType", industoryList);
		model.addAttribute("levelType", levelList);
		return "customer";
	}

总结：

07.客户信息列表查询-dao.avi

代码：

public class Customer {
	private Long cust_id;
	private String cust_name;
	private Long cust_user_id;
	private Long cust_create_id;
	private String cust_source;
	private String cust_industry;
	private String cust_level;
	private String cust_linkman;
	private String cust_phone;
	private String cust_mobile;
	private String cust_zipcode;
	private String cust_address;
	private Date cust_createtime;

public class QueryVo {
	private String custName;
	private String custSource;
	private String custIndustory;
	private String custLevel;
	private Integer page = 1;
	private Integer start;
	private Integer size = 10;

public interface CustomerDao {
	List<Customer> getCustomerList(QueryVo queryVo);

}
	<sql id="customer_list_where">
		<where>
			<if test="custName !=null and custName != ''">
				and cust_name LIKE '%${custName}%'
			</if>
			<if test="custSource !=null and custSource != ''">
				AND cust_source = #{custSource}
			</if>
			<if test="custIndustory !=null and custIndustory != ''">
				AND cust_industry = #{custIndustory}
			</if>
			<if test="custLevel !=null and custLevel != ''">
				AND cust_level = #{custLevel}
			</if>
		</where>
	</sql>
	<select id="getCustomerList" parameterType="queryvo" resultType="customer">
		SELECT
			a.cust_id,
			a.cust_name,
			a.cust_user_id,
			a.cust_create_id,
			b.dict_item_name cust_source,
			c.dict_item_name cust_industry,
			d.dict_item_name cust_level,
			a.cust_linkman,
			a.cust_phone,
			a.cust_mobile,
			a.cust_zipcode,
			a.cust_address,
			a.cust_createtime
		FROM
			customer a
		LEFT JOIN base_dict b ON a.cust_source = b.dict_id
		LEFT JOIN base_dict c ON a.cust_industry = c.dict_id
		LEFT JOIN base_dict d ON a.cust_level = d.dict_id
		<include refid="customer_list_where"/>
		<if test="start != null">
			limit #{start},#{size}
		</if>
	</select>

08.客户信息列表查询-完成.avi

代码：

public interface CustomerDao {
	List<Customer> getCustomerList(QueryVo queryVo);
	Integer getCustomerListCount(QueryVo queryVo);
}

<select id="getCustomerListCount" parameterType="queryvo" resultType="int">
		SELECT count(0)
		FROM
			customer a
		LEFT JOIN base_dict b ON a.cust_source = b.dict_id
		LEFT JOIN base_dict c ON a.cust_industry = c.dict_id
		LEFT JOIN base_dict d ON a.cust_level = d.dict_id
		<include refid="customer_list_where"/>
	</select>

public class CustomerServiceImpl implements CustomerService {

	@Autowired
	private CustomerDao customerDao;
	@Override
	public Page<Customer> getCustomerList(QueryVo queryVo) {
		//计算分页起始记录
		if (queryVo.getPage() != null) {
			queryVo.setStart((queryVo.getPage() - 1) * queryVo.getSize());
		}
		List<Customer> customerList = customerDao.getCustomerList(queryVo);
		//创建一个Page对象
		Page<Customer> page = new Page<>();
		page.setRows(customerList);
		//查询总记录数
		Integer count = customerDao.getCustomerListCount(queryVo);
		page.setTotal(count);
		page.setSize(queryVo.getSize());
		page.setPage(queryVo.getPage());
		//返回结果
		return page;
	}

@RequestMapping("/customer/list")
	public String showCustomerList(QueryVo queryVo,Model model) throws Exception {
		//初始化客户来源
		List<BaseDict> sourceList = baseDictService.getDictListByTypeCode(custSorceCode);
		//所属行业
		List<BaseDict> industoryList = baseDictService.getDictListByTypeCode(custIndustoryCode);
		//客户级别
		List<BaseDict> levelList = baseDictService.getDictListByTypeCode(custLevelCode);
		//把字典信息传递给页面
		model.addAttribute("fromType", sourceList);
		model.addAttribute("industryType", industoryList);
		model.addAttribute("levelType", levelList);
		//根据查询条件查询客户列表
		Page<Customer> page = customerService.getCustomerList(queryVo);
		//把客户列表传递给页面
		model.addAttribute("page", page);
		//参数回显
		model.addAttribute("custName", queryVo.getCustName());
		model.addAttribute("custSource", queryVo.getCustSource());
		model.addAttribute("custIndustry", queryVo.getCustIndustory());
		model.addAttribute("custLevel", queryVo.getCustLevel());
		return "customer";
	}

09.参数回显乱码处理.avi

代码：

@RequestMapping("/customer/list")
	public String showCustomerList(QueryVo queryVo,Model model) throws Exception {
		//乱码处理
		if (StringUtils.isNotBlank(queryVo.getCustName())) {
			queryVo.setCustName(new String(queryVo.getCustName().getBytes("iso8859-1"), "utf-8"));
		}
		//初始化客户来源
		List<BaseDict> sourceList = baseDictService.getDictListByTypeCode(custSorceCode);
		//所属行业
		List<BaseDict> industoryList = baseDictService.getDictListByTypeCode(custIndustoryCode);
		//客户级别
		List<BaseDict> levelList = baseDictService.getDictListByTypeCode(custLevelCode);
		//把字典信息传递给页面
		model.addAttribute("fromType", sourceList);
		model.addAttribute("industryType", industoryList);
		model.addAttribute("levelType", levelList);
		//根据查询条件查询客户列表
		Page<Customer> page = customerService.getCustomerList(queryVo);
		//把客户列表传递给页面
		model.addAttribute("page", page);
		//参数回显
		model.addAttribute("custName", queryVo.getCustName());
		model.addAttribute("custSource", queryVo.getCustSource());
		model.addAttribute("custIndustry", queryVo.getCustIndustory());
		model.addAttribute("custLevel", queryVo.getCustLevel());
		
		return "customer";
	}

10.修改客户信息-展示.avi

代码：

@RequestMapping("/customer/edit")
	@ResponseBody
	public Customer getCustomerById(Long id) {
		Customer customer = customerService.getCustomerById(id);
		return customer;
	}

function editCustomer(id) {
			$.ajax({
				type:"get",
				url:"<%=basePath%>customer/edit.action",
				data:{"id":id},
				success:function(data) {
					$("#edit_cust_id").val(data.cust_id);
					$("#edit_customerName").val(data.cust_name);
					$("#edit_customerFrom").val(data.cust_source)
					$("#edit_custIndustry").val(data.cust_industry)
					$("#edit_custLevel").val(data.cust_level)
					$("#edit_linkMan").val(data.cust_linkman);
					$("#edit_phone").val(data.cust_phone);
					$("#edit_mobile").val(data.cust_mobile);
					$("#edit_zipcode").val(data.cust_zipcode);
					$("#edit_address").val(data.cust_address);
					
				}
			});
		}

12.客户信息删除

代码：

@RequestMapping("/customer/delete")
	@ResponseBody
	public String deleteCustomer(Long id) {
		customerService.deleteCustomer(id);
		return "OK";
	}

function deleteCustomer(id) {
			if(confirm('确实要删除该客户吗?')) {
				$.post("<%=basePath%>customer/delete.action",{"id":id},function(data){
					alert("客户删除更新成功！");
					window.location.reload();
				});
			}
		}

1. 工程搭建

工程使用Springmvc、spring、mybatis框架整合完成。

1. 1. SqlMapConfig.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>

</configuration>

1. 1. applicationContext-dao.xml

<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"
	xmlns:task="http://www.springframework.org/schema/task" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd 
		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
		http://www.springframework.org/schema/task
   		http://www.springframework.org/schema/task/spring-task-4.0.xsd
		http://code.alibabatech.com/schema/dubbo        
		http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

	<!-- 配置 读取properties文件 jdbc.properties -->
	<context:property-placeholder location="classpath:jdbc.properties" />

	<!-- 配置 数据源 -->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
		<!-- 驱动 -->
		<property name="driverClassName" value="${jdbc.driver}" />
		<!-- url -->
		<property name="url" value="${jdbc.url}" />
		<!-- 用户名 -->
		<property name="username" value="${jdbc.username}" />
		<!-- 密码 -->
		<property name="password" value="${jdbc.password}" />
	</bean>

	<!-- 配置 Mybatis的工厂 -->
	<bean class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 数据源 -->
		<property name="dataSource" ref="dataSource" />
		<!-- 配置Mybatis的核心 配置文件所在位置 -->
		<property name="configLocation" value="classpath:SqlMapConfig.xml" />
		<!-- 配置pojo别名 -->
		<property name="typeAliasesPackage" value="cn.itcast.core.bean"></property>
	</bean>

	<!-- 配置 1：原始Dao开发 接口实现类 Mapper.xml 三个 2：接口开发 接口 不写实现类 Mapper.xml 二个 （UserDao、ProductDao 
		、BrandDao。。。。。。。） 3：接口开发、并支持扫描 cn.itcast.core.dao(UserDao。。。。。） 写在此包下即可被扫描到 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="cn.itcast.core.dao" />
	</bean>

</beans>

Jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/crm?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root

1. 1. applicationContext-service.xml

<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"
	xmlns:task="http://www.springframework.org/schema/task"
	xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd 
		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
		http://www.springframework.org/schema/task
   		http://www.springframework.org/schema/task/spring-task-4.0.xsd
		http://code.alibabatech.com/schema/dubbo        
		http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
		
		
		<!-- 配置  扫描   @Service -->
		<context:component-scan base-package="cn.itcast.core.service"/>
		
		
		
</beans>

1. 1. applicationContext-trans.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
	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
	http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
	<!-- 事务管理器 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<!-- 数据源 -->
		<property name="dataSource" ref="dataSource" />
	</bean>
	<!-- 通知 -->
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>
			<!-- 传播行为 -->
			<tx:method name="save*" propagation="REQUIRED" />
			<tx:method name="insert*" propagation="REQUIRED" />
			<tx:method name="add*" propagation="REQUIRED" />
			<tx:method name="create*" propagation="REQUIRED" />
			<tx:method name="delete*" propagation="REQUIRED" />
			<tx:method name="update*" propagation="REQUIRED" />
			<tx:method name="find*" propagation="SUPPORTS" read-only="true" />
			<tx:method name="select*" propagation="SUPPORTS" read-only="true" />
			<tx:method name="get*" propagation="SUPPORTS" read-only="true" />
		</tx:attributes>
	</tx:advice>
	<!-- 切面 -->
	<aop:config>
		<aop:advisor advice-ref="txAdvice"
			pointcut="execution(* cn.itcast.core.service.*.*(..))" />
	</aop:config>
</beans>

1. 1. Springmvc.xml

<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"
	xmlns:task="http://www.springframework.org/schema/task"
	xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 
		http://www.springframework.org/schema/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 
		http://www.springframework.org/schema/context 
		http://www.springframework.org/schema/context/spring-context-4.0.xsd 
		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
		http://www.springframework.org/schema/task
   		http://www.springframework.org/schema/task/spring-task-4.0.xsd
		http://code.alibabatech.com/schema/dubbo        
		http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
		
		<!-- 加载属性文件 -->
		<context:property-placeholder location="classpath:resource.properties"/>
		<!-- 配置扫描 器 -->
		<context:component-scan base-package="cn.itcast.core.web.controller"/>
		<!-- 配置处理器映射器  适配器 -->
		<mvc:annotation-driven/>
		
		<!-- 配置视图解释器 jsp -->
		<bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
			<property name="prefix" value="/WEB-INF/jsp/"/>
			<property name="suffix" value=".jsp"/>
		</bean>
		
</beans>

1. 1. Web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 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_2_5.xsd">
	<welcome-file-list>
		<welcome-file>customer.action</welcome-file>
	</welcome-file-list>
	<!-- 上下文的位置 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext-*.xml</param-value>
	</context-param>
	<!-- Spring的监听器 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>


	<!-- POST提交过滤器 UTF-8 -->
	<filter>
		<filter-name>encoding</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
	</filter>

	<filter-mapping>
		<filter-name>encoding</filter-name>
		<url-pattern>*.action</url-pattern>
	</filter-mapping>
	<!-- 前端控制器 -->
	<servlet>
		<servlet-name>crm</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<!-- 此处不配置 默认找 /WEB-INF/[servlet-name]-servlet.xml -->
			<param-value>classpath:springmvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>crm</servlet-name>
		<!-- 1:*.do *.action 拦截以.do结尾的请求 (不拦截 jsp png jpg .js .css) 2:/ 拦截所有请求 
			（不拦截.jsp) 建议使用此种 方式 （拦截 .js.css .png) (放行静态资源） 3:/* 拦截所有请求（包括.jsp) 此种方式 不建议使用 -->
		<url-pattern>*.action</url-pattern>
	</servlet-mapping>
</web-app>

1. 1. 加入jsp及分页标签

SSM整合

1. 查询条件初始化
  1. 需求

SSM整合

初始化查询条件下拉列表。

1. 客户列表展示
  1. 需求

SSM整合

展示商品列表，并且可以根据查询条件过滤查询结果，并且实现分页处理。

1. 修改客户信息
  1. 需求

SSM整合

点击客户列表中的“修改”按钮弹出客户信息修改对话框，并初始化客户信息
点击“保存修改”按钮将修改后的结果保存到数据库中

1. 删除客户
  1. 需求

SSM整合

点击客户列表中的删除按钮，提示“警告信息”

SSM整合

点击确定后删除用户信息，并刷新页面。

*******
1. 1. 谈谈你对mvc的理解？

MVC是Model—View—Controler的简称。即模型—视图—控制器。MVC是一种设计模式，它强制性的把应用程序的输入、处理和输出分开。MVC中的模型、视图、控制器它们分别担负着不同的任务。

（1）视图: 视图是用户看到并与之交互的界面。视图向用户显示相关的数据，并接受用户的输入。视图不进行任何业务逻辑处理。

（2）模型: 模型表示业务数据和业务处理。相当于JavaBean。一个模型能为多个视图提供数据。这提高了应用程序的重用性

（3）控制器: 当用户单击Web页面中的提交按钮时,控制器接受请求并调用相应的模型去处理请求。然后根据处理的结果调用相应的视图来显示处理的结果。

MVC的处理过程：首先控制器接受用户的请求，调用相应的模型来进行业务处理，并返回数据给控制器。控制器调用相应的视图来显示处理的结果。并通过视图呈现给用户。

1. 1. 简单介绍下你对springMVC的理解?

Spring MVC Framework有这样一些特点:

l 它是基于组件技术的.全部的应用对象,无论控制器和视图,还是业务对象之类的都是java组件.并且和Spring提供的其他基础结构紧密集成.

2 不依赖于Servlet API(目标虽是如此,但是在实现的时候确实是依赖于Servlet的)

3 可以任意使用各种视图技术,而不仅仅局限于JSP

4 支持各种请求资源的映射策略

5 它应是易于扩展的

1. 1. 如果你也用过struts2.简单介绍下springMVC和struts2的区别有哪些?
springmvc的入口是一个servlet即前端控制器，而struts2入口是一个filter过虑器。
springmvc是基于方法开发(一个url对应一个方法)，请求参数传递到方法的形参，可以设计为单例或多例(建议单例)，struts2是基于类开发，传递参数是通过类的属性，只能设计为多例。
Struts采用值栈存储请求和响应的数据，通过OGNL存取数据， springmvc通过参数解析器是将request请求内容解析，并给方法形参赋值，将数据和视图封装成ModelAndView对象，最后又将ModelAndView中的模型数据通过reques域传输到页面。Jsp视图解析器默认使用jstl。

1. 1. SSM优缺点、使用场景？
Mybatis和hibernate不同，它不完全是一个ORM框架，因为MyBatis需要程序员自己编写Sql语句，不过mybatis可以通过XML或注解方式灵活配置要运行的sql语句，并将java对象和sql语句映射生成最终执行的sql，最后将sql执行的结果再映射生成java对象。

Mybatis学习门槛低，简单易学，程序员直接编写原生态sql，可严格控制sql执行性能，灵活度高，非常适合对关系数据模型要求不高的软件开发，例如互联网软件、企业运营类软件等，因为这类软件需求变化频繁，一但需求变化要求成果输出迅速。但是灵活的前提是mybatis无法做到数据库无关性，如果需要实现支持多种数据库的软件则需要自定义多套sql映射文件，工作量大。

Hibernate对象/关系映射能力强，数据库无关性好，对于关系模型要求高的软件（例如需求固定的定制化软件）如果用hibernate开发可以节省很多代码，提高效率。但是Hibernate的学习门槛高，要精通门槛更高，而且怎么设计O/R映射，在性能和对象模型之间如何权衡，以及怎样用好Hibernate需要具有很强的经验和能力才行。
总之，按照用户的需求在有限的资源环境下只要能做出维护性、扩展性良好的软件架构都是好架构，所以框架只有适合才是最好。

1. 1. SpringMVC执行流程：

SSM整合

用户发送请求至前端控制器DispatcherServlet
DispatcherServlet收到请求调用HandlerMapping处理器映射器。
处理器映射器根据请求url找到具体的处理器，生成处理器对象及处理器拦截器(如果有则生成)一并返回给DispatcherServlet。
DispatcherServlet通过HandlerAdapter处理器适配器调用处理器
执行处理器(Controller，也叫后端控制器)。
Controller执行完成返回ModelAndView
HandlerAdapter将controller执行结果ModelAndView返回给DispatcherServlet
DispatcherServlet将ModelAndView传给ViewReslover视图解析器
ViewReslover解析后返回具体View；
DispatcherServlet对View进行渲染视图（即将模型数据填充至视图中）。
DispatcherServlet响应用户

1. 1. 简单介绍下你对mybatis的理解？
mybatis配置：SqlMapConfig.xml，此文件作为mybatis的全局配置文件，配置了mybatis的运行环境等信息。
mapper.xml文件即sql映射文件，文件中配置了操作数据库的sql语句。此文件需要在SqlMapConfig.xml中加载。
通过mybatis环境等配置信息构造SqlSessionFactory即会话工厂
由会话工厂创建sqlSession即会话，操作数据库需要通过sqlSession进行。
mybatis底层自定义了Executor执行器接口操作数据库，Executor接口有两个实现，一个是基本执行器、一个是缓存执行器。
Mapped Statement也是mybatis一个底层封装对象，它包装了mybatis配置信息及sql映射信息等。mapper.xml文件中一个sql对应一个Mapped Statement对象，sql的id即是Mapped statement的id。
Mapped Statement对sql执行输入参数进行定义，包括HashMap、基本类型、pojo，Executor通过Mapped Statement在执行sql前将输入的java对象映射至sql中，输入参数映射就是jdbc编程中对preparedStatement设置参数。
Mapped Statement对sql执行输出结果进行定义，包括HashMap、基本类型、pojo，Executor通过Mapped Statement在执行sql后将输出结果映射至java对象中，输出结果映射过程相当于jdbc编程中对结果的解析处理过程。

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