• maven项目,在spring中整合mybatis


    一、pom.xml配置,导入所需jar包

    <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">
      <modelVersion>4.0.0</modelVersion>
      <groupId>com.zp</groupId>
      <artifactId>test2</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      <packaging>war</packaging>
    
       <dependencies>
       
       <!-- 依赖servlet,导入servlet所需jar包  --> 
        <dependency>
          <groupId>javax.servlet</groupId>
          <artifactId>javax.servlet-api</artifactId>
          <version>3.0.1</version>
          <scope>provided</scope>
        </dependency>
        
        <!-- 依赖spring,导入spring所需jar包  --> 
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-context</artifactId>  
            <version>4.0.0.RELEASE</version>  
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.0.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>4.0.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.0.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
            <version>1.9.2.RELEASE</version>
        </dependency>
        
        <!-- URL重写filter,用于将访问静态资源http://localhost/foo.css 转为http://localhost/static/foo.css -->
        <dependency>
             <groupId>org.tuckey</groupId>
             <artifactId>urlrewritefilter</artifactId>
             <version>4.0.4</version>
        </dependency>
        
        <!-- json的jar包 -->
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-core-asl</artifactId>
            <version>1.9.11</version>
        </dependency>
        
        <dependency>
            <groupId>org.codehaus.jackson</groupId>
            <artifactId>jackson-mapper-asl</artifactId>
            <version>1.9.12</version>
        </dependency>
        
        <!-- 数据库连接所需jar包 -->
        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.4</version>
        </dependency>
        <dependency>
            <groupId>commons-pool</groupId>
            <artifactId>commons-pool</artifactId>
            <version>1.6</version>
        </dependency>
        <!-- 阿里巴巴公司开发的Druid数据库连接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.16</version>
          </dependency>
        
        
        <!-- mybatis核心包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.1.1</version>
        </dependency>
        
        <!-- mybatis/spring包 -->
        <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>1.2.2</version>
            </dependency>
            
        <!-- Mysql驱动包 -->    
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.27</version>
        </dependency>
        
       </dependencies>
      
        <build>
        <plugins>
           <!-- 声明jdk编译版本1.7  -->
           <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
              <version>3.1</version>
             <configuration>
                  <source>1.7</source>
                  <target>1.7</target>
             </configuration>
          </plugin>
          <!-- tomcat插件 -->
          <plugin>
            <groupId>org.apche.tomcat.maven</groupId>
            <artifactId>tomcat7-maven-plugin</artifactId>
            <version>2.2</version>
          </plugin>
        </plugins>
      </build>
    </project>

    二、aplicationContext.xml配置

    <?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:util="http://www.springframework.org/schema/util"  
        xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
        xmlns:jpa="http://www.springframework.org/schema/data/jpa" xmlns:mvc="http://www.springframework.org/schema/mvc"
        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/util http://www.springframework.org/schema/util/spring-util-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/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.9.xsd
            http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
        
        <bean id="dbcp" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
            <property name="username" value="root">
            </property>
            <property name="password" value="123">
            </property>
            <property name="driverClassName" value="com.mysql.jdbc.Driver">
            </property>
            <property name="url" value="jdbc:mysql://localhost:3306/OrderDatabase?characterEncoding=utf8">
            </property>
            
            <!-- 连接初始值,连接池启动时创建的连接数量的初始值 -->
            <property name="initialSize"><value>4</value></property>  
            <!-- 连接池的最大值,同一时间可以从池分配的最多连接数量,0时无限制 -->
            <property name="maxActive"><value>100</value></property>
            <!-- 最大空闲值.当经过一个高峰时间后,连接池可以慢慢将已经用不到的连接慢慢释放一部分,一直减少到maxIdle为止 ,0时无限制-->
            <property name="maxIdle"><value>50</value></property>
            <!-- 最小空闲值.当空闲的连接数少于阀值时,连接池就会预申请去一些连接,以免洪峰来时来不及申请 -->
            <property name="minIdle"><value>15</value></property> 
            <!-- 配置获取连接等待超时的时间 -->  
            <property name="maxWait"><value>10000</value></property><!-- 最大等待时间 -->  
            <!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->  
            <property name="timeBetweenEvictionRunsMillis"><value>60000</value></property>  
            <!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->  
            <property name="minEvictableIdleTimeMillis"><value>300000</value></property>  
            
        </bean>
        
        <!-- 设置sqlsession工厂 -->
        <bean id="sqlsessionfactory" 
            class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource" 
                    ref="dbcp">
            </property>
            <property name="mapperLocations" 
                    value="classpath:com/zp/test/sql/*.xml">
            </property>
        </bean>
        
        <!-- DAO层 -->
        <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            <property name="basePackage" 
                    value="com.zp.test.dao">
            </property>
        </bean>
        
        <!-- viewresolver 视图解析器-->
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <property name="prefix" value="/WEB-INF/jsp/">
            </property>
            <property name="suffix" value=".jsp">
            </property>
        </bean>
    
        <!-- 扫描service,controller -->
        <context:component-scan 
            base-package="com.zp.test"/>
    
        <!-- handlermapping @RequestMapping,
        @ResponseBody,@ExceptionHanlder -->
        <mvc:annotation-driven/>
        
        <!-- Spring事务管理 -->
        <!-- 定义事务管理(共通处理)组件 -->
        <bean id="tx" 
            class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
            <!-- 必须注入dataSource连接资源 -->
            <property name="dataSource" ref="dbcp">
            </property>
        </bean>
        <!-- 启动@Transactional注解,将来哪个组件方法
        带有该标记就会切入tx事务管理功能 -->
        <tx:annotation-driven transaction-manager="tx"/>    
    </beans>

    三、web.xml配置

    <?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns="http://java.sun.com/xml/ns/javaee"
        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
        id="schedule-console" version="3.0">
      
      <!-- 配置spring的servlet --> 
      <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>
    org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>/WEB-INF/applicationContext.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
      </servlet>
    <!-- 覆盖default servlet的/, springmvc servlet将处理原来处理静态资源的映射 -->
    <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
    </servlet-mapping>
      
    <!-- 该servlet为tomcat,jetty等容器提供,将静态资源映射从/改为/static/目录,如原来访问 http://localhost/foo.css ,现在http://localhost/static/foo.css -->
    <servlet-mapping>
    <servlet-name>default</servlet-name>
    <url-pattern>/static/*</url-pattern>
    </servlet-mapping>
      
    <!-- URL重写filter,用于将访问静态资源http://localhost/foo.css 转为http://localhost/static/foo.css -->
    <filter>
    <filter-name>UrlRewriteFilter</filter-name>
    <filter-class>org.tuckey.web.filters.urlrewrite.UrlRewriteFilter</filter-class>
    <init-param>
    <param-name>confReloadCheckInterval</param-name>
    <param-value>60</param-value>
    </init-param>
    <init-param>
    <param-name>logLevel</param-name>
    <param-value>DEBUG</param-value>
    </init-param>
    </filter>
    
    <!-- 浏览器不支持put,delete等method,由该filter将/blog?_method=delete转换为标准的http delete方法 -->
    <filter>
    <filter-name>HiddenHttpMethodFilter</filter-name>
    <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
    </filter>
    
    <filter-mapping>
    <filter-name>HiddenHttpMethodFilter</filter-name>
    <servlet-name>springmvc</servlet-name>
    </filter-mapping>
      
        <!-- Spring的log4j监听器 -->  
        <listener>  
            <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>  
        </listener>  
        
        <!-- 字符集 过滤器  -->  
        <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>  
            <init-param>  
                <param-name>forceEncoding</param-name>  
                <param-value>true</param-value>  
            </init-param>  
        </filter>  
        <filter-mapping>  
            <filter-name>CharacterEncodingFilter</filter-name>  
            <url-pattern>/*</url-pattern>  
        </filter-mapping>
        
      <!-- 欢迎页 -->
      <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
      </welcome-file-list>
      
      <!-- 设置session有效时间 -->
      <session-config>  
      <session-timeout>9999</session-timeout>  
    </session-config>
        
        </web-app>

    四、建立本地数据库

    库名:OrderDatabase

    表名:user

    字段

    添加一条数据

    五、编写代码

    1、项目结构

    在src/main/java下新建com.zp.test包

    2、entity包下编写实体类

    package com.zp.test.entity;
    
    public class User {
        
        private int user_id;
        
        private String user_name;
        
        private String password;
        
        private String phoneNumber;
        
        private String image_address;
        
        private String email;
        
        private String province;
        
        private String city;
        
        private int user_status; 
        
        private int limit;
        
        private int isdel;
        
        private String erweima;
    
        public int getUser_id() {
            return user_id;
        }
    
        public void setUser_id(int user_id) {
            this.user_id = user_id;
        }
    
        public String getUser_name() {
            return user_name;
        }
    
        public void setUser_name(String user_name) {
            this.user_name = user_name;
        }
    
        public String getPassword() {
            return password;
        }
    
        public void setPassword(String password) {
            this.password = password;
        }
    
        public String getPhoneNumber() {
            return phoneNumber;
        }
    
        public void setPhoneNumber(String phoneNumber) {
            this.phoneNumber = phoneNumber;
        }
    
        public String getImage_address() {
            return image_address;
        }
    
        public void setImage_address(String image_address) {
            this.image_address = image_address;
        }
    
        public String getEmail() {
            return email;
        }
    
        public void setEmail(String email) {
            this.email = email;
        }
    
        public String getProvince() {
            return province;
        }
    
        public void setProvince(String province) {
            this.province = province;
        }
    
        public String getCity() {
            return city;
        }
    
        public void setCity(String city) {
            this.city = city;
        }
    
        public int getUser_status() {
            return user_status;
        }
    
        public void setUser_status(int user_status) {
            this.user_status = user_status;
        }
    
        public int getLimit() {
            return limit;
        }
    
        public void setLimit(int limit) {
            this.limit = limit;
        }
    
        public int getIsdel() {
            return isdel;
        }
    
        public void setIsdel(int isdel) {
            this.isdel = isdel;
        }
    
        public String getErweima() {
            return erweima;
        }
    
        public void setErweima(String erweima) {
            this.erweima = erweima;
        }
        
        
    
    }

    3、sql包下编写sql语句

    <?xml version="1.0" encoding="UTF-8" standalone="no"?>  
     <!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
    <mapper namespace="com.zp.test.dao.UserDao">
    
        <select id="selectUser" resultType="com.zp.test.entity.User" parameterType="map">
            SELECT * FROM user where user_id = #{user_id}
        </select>
        
    </mapper>

    4、dao包下编写Dao

    package com.zp.test.dao;
    
    import java.util.List;
    import java.util.Map;
    import com.zp.test.entity.User;
    
    
    
    public interface UserDao {
        
        public List<User> selectUser(Map<String,Object> map);   
    
    }

    5、service包下编写service

    package com.zp.test.service;
    
    import java.util.List;
    import java.util.Map;
    
    import com.zp.test.entity.User;
    
    public interface UserService {
        
        public List<User> selectUser(Map<String,Object> map);
        
        
    }

    6、serviceImpl包下编写serviceImpl

    package com.zp.test.service.serviceImpl;
    
    import java.util.List;
    import java.util.Map;
    import javax.annotation.Resource;
    import org.springframework.stereotype.Service;
    import com.zp.test.dao.UserDao;
    import com.zp.test.entity.User;
    import com.zp.test.service.UserService;
    
    
    
    @Service
    public class UserServiceImpl implements UserService{
    
        @Resource
        private UserDao ud;
    
    
        @Override
        public List<User> selectUser(Map<String, Object> map) {
            
            return ud.selectUser(map);
        }
        
    
    }

    7、controller包下编写controller

    package com.zp.test.controller;
    
    import java.util.HashMap;
    import java.util.List;
    import java.util.Map;
    import javax.annotation.Resource;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.ResponseBody;
    import com.zp.test.entity.User;
    import com.zp.test.service.UserService;
    
    
    @Controller
    @RequestMapping("/userinfo")
    public class UserController {
        
          @Resource
          private UserService us;
        
          @RequestMapping(value="/{id}")
          @ResponseBody
          public List<User> test(@PathVariable Long id,HttpServletRequest request,HttpServletResponse response){
              
              System.out.println(id);
              
              Map<String,Object> paramMap=new HashMap<String,Object>();
              paramMap.put("user_id", id);
              List<User> ulist = us.selectUser(paramMap);
              for(User u : ulist){
                  System.out.println(u.getUser_name());
              }
              return ulist;
          }
          
    
    }

    8、编写index.jsp页面

    <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
        pageEncoding="ISO-8859-1"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
    <title>Insert title here</title>
    </head>
    <script type="text/javascript" src="static/js/jquery-1.10.1.min.js"></script>
    <script>
    function test1(){
        
        $.ajax({
             url:"/test2/userinfo/5",
             data:{},
             type:"post",
             dataType:"json",
             success:function(data){
                 alert("success");
                 alert(data[0].user_name);
             },
             error:function(){
                 alert("error");
             }
         });
        
        
    }
    
    function test2(){
        window.location.href="test2.jsp";
    }
    
    </script>
    <body>
    <input type="button" value="test1" onclick="test1();"/>
    <input type="button" value="test2" onclick="test2();"/>
    </body>
    </html>

    六、运行项目,进入欢迎页,点击test1

    返回查询结果,与步骤四中数据库表中数据一致,证明搭建成功

    代码上传至github

    地址:https://github.com/Neonuu/test2

  • 相关阅读:
    light oj 1205
    light oj 1068
    10月29日 小小犇的流水账
    小奇的数列
    10月28日 小小犇的流水账
    10月27日 小小犇的流水账
    2018.10.27 搬砖题解
    10月26日 小小犇的流水账
    10月25日 小小犇的流水账
    10月24日 小小犇的流水账
  • 原文地址:https://www.cnblogs.com/Neonuu/p/5182178.html
Copyright © 2020-2023  润新知