完整項目結構
1.maven配置文件pom.xml
<?xml version="1.0" encoding="UTF-8"?> <!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> <!-- $Id: pom.xml 642118 2008-03-28 08:04:16Z reinhard $ --> <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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <packaging>war</packaging> <name>EasySSM</name> <groupId>com.cyf</groupId> <artifactId>EasySSM</artifactId> <version>1.0-SNAPSHOT</version> <properties> <!-- spring版本號 --> <spring.version>4.3.3.RELEASE</spring.version> <!-- mybatis版本號 --> <mybatis.version>3.4.0</mybatis.version> <!-- log4j日志文件管理包版本 --> <slf4j.version>1.7.7</slf4j.version> <log4j.version>1.2.17</log4j.version> </properties> <build> <plugins> <plugin> <groupId>org.mortbay.jetty</groupId> <artifactId>maven-jetty-plugin</artifactId> <version>6.1.7</version> <configuration> <connectors> <connector implementation="org.mortbay.jetty.nio.SelectChannelConnector"> <port>8180</port> <maxIdleTime>30000</maxIdleTime> </connector> </connectors> <webAppSourceDirectory>${project.build.directory}/${pom.artifactId}-${pom.version}</webAppSourceDirectory> <contextPath>/</contextPath> </configuration> </plugin> <plugin> <artifactId>maven-resources-plugin</artifactId> <version>2.6</version> <executions> <execution> <id>copy-xmls</id> <phase>process-resources</phase> <goals> <goal>copy-resources</goal> </goals> <configuration> <outputDirectory>${basedir}/target/classes</outputDirectory> <resources> <resource> <directory>${basedir}/src/main/java</directory> <includes> <include>**/*.xml</include> </includes> </resource> </resources> </configuration> </execution> </executions> </plugin> </plugins> </build> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <!-- 表示開發的時候引入，發布的時候不會加載此包 --> <scope>test</scope> </dependency> <!-- spring核心包 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-oxm</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> <!-- mybatis核心包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!--mybatis spring 插件 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.0</version> </dependency> <!-- 導入java ee jar 包 --> <dependency> <groupId>javax</groupId> <artifactId>javaee-api</artifactId> <version>7.0</version> <scope>provided</scope> </dependency> <!-- 導入Mysql數據庫鏈接jar包 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.25</version> </dependency> <!-- 導入dbcp的jar包，用來在applicationContext.xml中配置數據庫 --> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.2.2</version> </dependency> <!-- JSTL標簽類 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- 日志文件管理包 --> <!-- log start --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <!-- 格式化對象，方便輸出日志 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.1.41</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <!-- log end --> <!-- 引入JSON --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.7.5</version> </dependency> <!-- 上傳組件包 --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.4</version> </dependency> <dependency> <groupId>commons-codec</groupId> <artifactId>commons-codec</artifactId> <version>1.9</version> </dependency> <!--aspectj --> <dependency> <groupId>aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.5.4</version> </dependency> </dependencies> </project>
2.web工程配置文件web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <!-- 編碼過濾器 --> <filter> <filter-name>encodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <async-supported>true</async-supported> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- Spring配置文件 --> <!-- needed for ContextLoaderListener --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <!-- Bootstraps the root web application context before servlet initialization --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- SpringMVC DispatcherServlet --> <!-- The front controller of this Spring Web application, responsible for handling all application requests --> <servlet> <servlet-name>springDispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:springmvc.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <!-- Map all requests to the DispatcherServlet for handling --> <servlet-mapping> <servlet-name>springDispatcherServlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>
3.創建MySQL數據表
DROP TABLE IF EXISTS tb_user; CREATE TABLE tb_user ( id INT NOT NULL AUTO_INCREMENT, userName VARCHAR(40), password VARCHAR(100), email VARCHAR(40), phone VARCHAR(40), roleName VARCHAR(40), PRIMARY KEY(id) )ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8; ----------------------------------------- mysql> use db_ssm2; Database changed mysql> desc tb_user; +----------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +----------+--------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | userName | varchar(40) | YES | | NULL | | | password | varchar(100) | YES | | NULL | | | email | varchar(40) | YES | | NULL | | | phone | varchar(40) | YES | | NULL | | | roleName | varchar(40) | YES | | NULL | | +----------+--------------+------+-----+---------+----------------+ 6 rows in set (0.03 sec) mysql> select *from tb_user; +----+----------+----------+--------------------+-------+------------+ | id | userName | password | email | phone | roleName | +----+----------+----------+--------------------+-------+------------+ | 1 | 李白 | 1234 | libai@qq.com | 10086 | 客戶經理 | | 2 | 李清照 | 1234 | liqingzhao@163.com | 10087 | 高管 | | 3 | 杜甫 | 1234 | dufu@163.com | 10088 | 銷售主管 | | 4 | 岑參 | 1234 | censhen@163.com | 10088 | 系統管理員 | | 5 | 陳子昂 | 1234 | chenziang@qq.com | 10099 | 高管 | +----+----------+----------+--------------------+-------+------------+ 5 rows in set (0.05 sec)
4.數據庫配置文件
jdbc.properties
driverClassName:com.mysql.jdbc.Driver
url:jdbc:mysql://localhost:3306/test
username=root
password=root
initialSize=0
maxActive=20
maxIdle=20
minIdle=1
maxWait=60000
5.日志輸出格式配置
log4j.properties
log4j.rootLogger=INFO,Console,File
#\u5B9A\u4E49\u65E5\u5FD7\u8F93\u51FA\u76EE\u7684\u5730\u4E3A\u63A7\u5236\u53F0
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.Target=System.out
#\u53EF\u4EE5\u7075\u6D3B\u5730\u6307\u5B9A\u65E5\u5FD7\u8F93\u51FA\u683C\u5F0F\uFF0C\u4E0B\u9762\u4E00\u884C\u662F\u6307\u5B9A\u5177\u4F53\u7684\u683C\u5F0F
log4j.appender.Console.layout = org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n
#\u6587\u4EF6\u5927\u5C0F\u5230\u8FBE\u6307\u5B9A\u5C3A\u5BF8\u7684\u65F6\u5019\u4EA7\u751F\u4E00\u4E2A\u65B0\u7684\u6587\u4EF6
log4j.appender.File = org.apache.log4j.RollingFileAppender
#\u6307\u5B9A\u8F93\u51FA\u76EE\u5F55
log4j.appender.File.File = logs/ssm.log
#\u5B9A\u4E49\u6587\u4EF6\u6700\u5927\u5927\u5C0F
log4j.appender.File.MaxFileSize = 10MB
# \u8F93\u51FA\u6240\u4EE5\u65E5\u5FD7\uFF0C\u5982\u679C\u6362\u6210DEBUG\u8868\u793A\u8F93\u51FADEBUG\u4EE5\u4E0A\u7EA7\u522B\u65E5\u5FD7
log4j.appender.File.Threshold = ALL
log4j.appender.File.layout = org.apache.log4j.PatternLayout
log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n
6.Spring 配置文件
applicationContext.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:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"> <context:component-scan base-package="com.ssmtest"> <!--不掃描 @Controller注解的類 --> <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <!-- <property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/> --> <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql://localhost:3306/test"/> <property name="username" value="root"/> <property name="password" value="root"/> </bean> <!-- 配置MyBatis的sqlSessionFactory --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"></property> <property name="mapperLocations" value="classpath:com/ssmtest/mappers/*.xml"></property> </bean> <!-- Mapper接口所在包名，Spring會自動查找其下的Mapper --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.ssmtest.dao"></property> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property> </bean> <!-- 配置transactionManager事務管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"></property> </bean> <!-- 配置事物通知屬性 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <!-- 定義事物傳播特性 --> <tx:attributes> <tx:method name="insert*" propagation="REQUIRED"/> <tx:method name="update*" propagation="REQUIRED" /> <tx:method name="edit*" propagation="REQUIRED" /> <tx:method name="save*" propagation="REQUIRED" /> <tx:method name="add*" propagation="REQUIRED" /> <tx:method name="new*" propagation="REQUIRED" /> <tx:method name="set*" propagation="REQUIRED" /> <tx:method name="remove*" propagation="REQUIRED" /> <tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="change*" propagation="REQUIRED" /> <tx:method name="check*" propagation="REQUIRED" /> <tx:method name="get*" propagation="REQUIRED" read-only="true" /> <tx:method name="find*" propagation="REQUIRED" read-only="true" /> <tx:method name="load*" propagation="REQUIRED" read-only="true" /> <tx:method name="*" propagation="REQUIRED" read-only="true" /> </tx:attributes> </tx:advice> <!-- 配置事物切面 需要aspectjweaver.jar--> <aop:config> <aop:pointcut id="serviceOperation" expression="execution(* com.ssmtest.service.*.*(..))" /> <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation"/> </aop:config> </beans>
7.SpringMVC 配置文件
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:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"> <!-- 自動掃描包 --> <context:component-scan base-package="com.ssmtest.controller"></context:component-scan> <!-- 視圖解析器 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="WEB-INF/views/"></property> <property name="suffix" value=".jsp"></property> </bean> <mvc:default-servlet-handler/> <mvc:annotation-driven></mvc:annotation-driven> </beans>
7.Java 文件
7.1實體類User和PageBean
User.java
package com.ssmtest.entity; /** * 用戶實體類 * 對應數據表tb_user * @author Peng * @Date2016年12月13日上午9:36:23 */ public class User { private Integer id; private String username; private String password; private String email; private String phone; private String rolename; //角色名稱 系統管理員、銷售主管、客戶經理、高管 public Integer getId() { return id; } public User() { super(); } public User(String username, String password, String email, String phone, String rolename) { super(); this.username = username; this.password = password; this.email = email; this.phone = phone; this.rolename = rolename; } public void setId(Integer id) { this.id = id; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username == null ? null : username.trim(); } public String getPassword() { return password; } public void setPassword(String password) { this.password = password == null ? null : password.trim(); } public String getEmail() { return email; } public void setEmail(String email) { this.email = email == null ? null : email.trim(); } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone == null ? null : phone.trim(); } public String getRolename() { return rolename; } public void setRolename(String rolename) { this.rolename = rolename == null ? null : rolename.trim(); } @Override public String toString() { return "User [id=" + id + ", username=" + username + ", password=" + password + ", email=" + email + ", phone=" + phone + ", rolename=" + rolename + "]"; } }
PageBean.java
package com.ssmtest.entity; import java.util.List; /** * 分頁實體類 * @author Peng * @Date2016年12月13日 上午9:40:10 */ public class PageBean<T> { private int currPage;//當前頁數 private int pageSize;//每頁顯示的記錄數 private int totalCount;//總記錄數 private int totalPage;//總頁數 private List<T> lists;//每頁的顯示的數據 public PageBean() { super(); } public int getCurrPage() { return currPage; } public void setCurrPage(int currPage) { this.currPage = currPage; } public int getPageSize() { return pageSize; } public void setPageSize(int pageSize) { this.pageSize = pageSize; } public int getTotalCount() { return totalCount; } public void setTotalCount(int totalCount) { this.totalCount = totalCount; } public int getTotalPage() { return totalPage; } public void setTotalPage(int totalPage) { this.totalPage = totalPage; } public List<T> getLists() { return lists; } public void setLists(List<T> lists) { this.lists = lists; } }
7.2 User實體類映射文件
UserMapper.xml
<?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.ssmtest.dao.UserDao"> <!-- 先定義一個Interface，UserMapper，然后Mapper文件的namespace指向的就是這個Interface， UserInterface里定義的方法和UserMapper.xml文件中的一樣, 然后代碼里直接使用接口 --> <resultMap id="BaseResultMap" type="com.ssmtest.entity.User"> <id column="id" property="id" jdbcType="INTEGER"/> <result column="userName" property="username" jdbcType="VARCHAR"/> <result column="password" property="password" jdbcType="VARCHAR"/> <result column="email" property="email" jdbcType="VARCHAR"/> <result column="phone" property="phone" jdbcType="VARCHAR"/> <result column="roleName" property="rolename" jdbcType="VARCHAR"/> </resultMap> <sql id="Base_Column_List"> id, userName, password, email, phone, roleName </sql> <!--根據主鍵查詢一條用戶數據 --> <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer"> select <include refid="Base_Column_List"/> from tb_user where id = #{id,jdbcType=INTEGER} </select> <!--用戶登錄 --> <select id="loginByUserNameAndPassword" resultMap="BaseResultMap" parameterType="com.ssmtest.entity.User"> select <include refid="Base_Column_List"/> from tb_user where userName = #{username} and password = #{password} </select> <!-- 根據分頁數據start 和size查詢數據 --> <select id="findByPage" parameterType="Map" resultMap="BaseResultMap"> select <include refid="Base_Column_List"/> from tb_user <if test="start!=null and size!=null"> limit #{start},#{size} </if> </select> <!--查詢所有用戶數據 --> <select id="selectUserList" resultType="com.ssmtest.entity.User"> select <include refid="Base_Column_List"/> from tb_user </select> <!-- 查詢用戶記錄總數 --> <select id="selectCount" resultType="int"> select count(*) from tb_user </select> <!--根據主鍵刪除一條用戶數據 --> <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer"> delete from tb_user where id = #{id,jdbcType=INTEGER} </delete> <!--插入一條完整用戶數據 --> <insert id="insert" parameterType="com.ssmtest.entity.User"> insert into tb_user (id, userName, password, email, phone, roleName ) values (#{id,jdbcType=INTEGER}, #{username,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR}, #{email,jdbcType=VARCHAR}, #{phone,jdbcType=VARCHAR}, #{rolename,jdbcType=VARCHAR} ) </insert> <!--插入一條用戶數據 ，可以不完整 --> <insert id="insertSelective" parameterType="com.ssmtest.entity.User"> insert into tb_user <trim prefix="(" suffix=")" suffixOverrides=","> <if test="id != null"> id, </if> <if test="username != null"> userName, </if> <if test="password != null"> password, </if> <if test="email != null"> email, </if> <if test="phone != null"> phone, </if> <if test="rolename != null"> roleName, </if> </trim> <trim prefix="values (" suffix=")" suffixOverrides=","> <if test="id != null"> #{id,jdbcType=INTEGER}, </if> <if test="username != null"> #{username,jdbcType=VARCHAR}, </if> <if test="password != null"> #{password,jdbcType=VARCHAR}, </if> <if test="email != null"> #{email,jdbcType=VARCHAR}, </if> <if test="phone != null"> #{phone,jdbcType=VARCHAR}, </if> <if test="rolename != null"> #{rolename,jdbcType=VARCHAR}, </if> </trim> </insert> <!--根據主鍵更新一條用戶數據，可以不完整 --> <update id="updateByPrimaryKeySelective" parameterType="com.ssmtest.entity.User"> update tb_user <set> <if test="username != null"> userName = #{username,jdbcType=VARCHAR}, </if> <if test="password != null"> password = #{password,jdbcType=VARCHAR}, </if> <if test="email != null"> email = #{email,jdbcType=VARCHAR}, </if> <if test="phone != null"> phone = #{phone,jdbcType=VARCHAR}, </if> <if test="rolename != null"> roleName = #{rolename,jdbcType=VARCHAR}, </if> </set> where id = #{id,jdbcType=INTEGER} </update> <!--根據主鍵更新一條用戶數據 --> <update id="updateByPrimaryKey" parameterType="com.ssmtest.entity.User"> update tb_user set userName = #{username,jdbcType=VARCHAR}, password = #{password,jdbcType=VARCHAR}, email = #{email,jdbcType=VARCHAR}, phone = #{phone,jdbcType=VARCHAR}, roleName = #{rolename,jdbcType=VARCHAR} where id = #{id,jdbcType=INTEGER} </update> </mapper>
7.3 Dao層接口
UserDao.java
package com.ssmtest.dao; import com.ssmtest.entity.User; import java.util.HashMap; import java.util.List; public interface UserDao { /** * 根據主鍵刪除一條用戶數據 * @param id * @return */ int deleteByPrimaryKey(Integer id); /** * 插入一條用戶數據 ，可以不完整 * @param record * @return */ int insertSelective(User record); /** * 根據主鍵查詢一條用戶數據 * @param id * @return */ User selectByPrimaryKey(Integer id); /** * 用戶登錄 * @param record * @return */ User loginByUserNameAndPassword(User record); /** * 根據主鍵更新一條用戶數據，可以不完整 - * @param record * @return */ int updateByPrimaryKeySelective(User record); /** * 查詢所有用戶數據 * @return */ List<User> selectUserList(); /** * 查詢用戶記錄總數 * @return */ int selectCount(); /** * 分頁操作，調用findByPage limit分頁方法 * @param map * @return */ List<User> findByPage(HashMap<String,Object> map); }
7.4 Service層
UserService.java
package com.ssmtest.service; import com.ssmtest.entity.PageBean; import com.ssmtest.entity.User; import java.util.List; /** * User類業務層接口 * @author Peng * @Date2016年12月13日上午9:54:40 */ public interface UserService { int deleteByPrimaryKey(Integer id); int insertSelective(User record); User selectByPrimaryKey(Integer id); User loginByUserNameAndPassword(User record); List<User> selectUserList(); int selectCount(); int updateByPrimaryKeySelective(User record); PageBean<User> findByPage(int currentPage); }
UserServiceImpl.java
package com.ssmtest.service.impl; import com.ssmtest.dao.UserDao; import com.ssmtest.entity.PageBean; import com.ssmtest.entity.User; import com.ssmtest.service.UserService; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.util.HashMap; import java.util.List; /** * User類業務層實現類 * @author Peng * @Date2016年12月13日上午9:54:56 */ @Service("userService") public class UserServiceImpl implements UserService { @Resource private UserDao userDao; public int deleteByPrimaryKey(Integer id) { return userDao.deleteByPrimaryKey(id); } public int insertSelective(User record) { return userDao.insertSelective(record); } public User selectByPrimaryKey(Integer id) { return userDao.selectByPrimaryKey(id); } public int updateByPrimaryKeySelective(User record) { return userDao.updateByPrimaryKeySelective(record); } public List<User> selectUserList() { return userDao.selectUserList(); } public int selectCount() { return userDao.selectCount(); } public User loginByUserNameAndPassword(User record) { return userDao.loginByUserNameAndPassword(record); } public PageBean<User> findByPage(int currentPage) { HashMap<String,Object> map = new HashMap<String,Object>(); PageBean<User> pageBean = new PageBean<User>(); //封裝當前頁數 pageBean.setCurrPage(currentPage); //每頁顯示的數據 int pageSize=2; pageBean.setPageSize(pageSize); //封裝總記錄數 int totalCount = userDao.selectCount(); pageBean.setTotalCount(totalCount); //封裝總頁數 double tc = totalCount; Double num =Math.ceil(tc/pageSize);//向上取整 pageBean.setTotalPage(num.intValue()); map.put("start",(currentPage-1)*pageSize); map.put("size", pageBean.getPageSize()); //封裝每頁顯示的數據 List<User> lists = userDao.findByPage(map); pageBean.setLists(lists); return pageBean; } }
7.5 SpirngMVC 控制器
package com.ssmtest.controller; import java.util.List; import javax.annotation.Resource; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.SessionAttributes; import com.ssmtest.entity.User; import com.ssmtest.service.UserService; @SessionAttributes("currentUser") @Controller public class UserController { @Resource private UserService userService; /** * 用戶登錄 * @param user * @param request * @return * @throws Exception */ @RequestMapping("/login") public String login(@RequestParam("userName")String userName, @RequestParam("password")String password,Model model) throws Exception{ User user = new User(); user.setUsername(userName); user.setPassword(password); User userresult = userService.loginByUserNameAndPassword(user); if(userresult!=null){ //登錄成功 List<User> lists = userService.selectUserList(); model.addAttribute("userLists", lists);//回顯用戶信息 model.addAttribute("currentUser", userresult.getUsername()); return "redirect:main"; } return "error"; } @RequestMapping("/main") public String main(@RequestParam(value="currentPage",defaultValue="1",required=false)int currentPage,Model model){ model.addAttribute("pagemsg", userService.findByPage(currentPage));//回顯分頁數據 return "main"; } /** * 跳到編輯頁面 * @param currentPage * @param model * @return */ @RequestMapping("/edit") public String editpage(@RequestParam("id") int id, Model model){ User user =userService.selectByPrimaryKey(id); model.addAttribute("returnUser", user); return "edit"; } /** * 保存用戶數據 * @return */ @RequestMapping("/save") public String save(User user){ System.out.println(user.toString()); if(user.getId()==null){ //id為null是保存 userService.insertSelective(user); }else{ //有id值為修改 userService.updateByPrimaryKeySelective(user); } return "redirect:main"; } /** * 刪除用戶數據 * @param id * @return */ @RequestMapping("/delete") public String delete(@RequestParam("id") int id){ userService.deleteByPrimaryKey(id); return "redirect:main"; } /** * 添加一個用戶數據 * @return */ @RequestMapping("/add") public String add(Model model){ model.addAttribute("returnUser", new User()); return "edit"; } }
8.JSP 頁面
index.jsp
<%@ page language="java" import="java.util.*" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <!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=UTF-8"> <title>Index.jsp</title> <body> <h2>歡迎登陸</h2> <form action="login" method="post"> 用戶名:<input type="text" name="userName"/><br> 密 碼:<input type="password" name="password"/><br> <input type="submit" value="登錄"/> </form> </body> </html>
mian.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <!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=UTF-8"> <title>主頁</title> <style type="text/css"> td { text-align: center; } .td2 { text-align: right; } .table1 { border: 1px solid #ddd; width: 900px; } thead { background-color: lightblue; } </style> </head> <body> 歡迎你：${currentUser} <br> <%-- 當前用戶：${pageScope.currentUser}<!-- (只能在同一個頁面中使用) --> <br> 當前用戶：${requestScope.currentUser}-${roleName} 有重定向數據就訪問不到<br> 當前用戶：${sessionScope.currentUser}-${roleName} 可以使用<br> --%> <hr> <a href="add"> 添加用戶</a><br> <c:if test="${empty requestScope.pagemsg}"> 沒有任何用戶信息！ </c:if> <c:if test="${!empty requestScope.pagemsg}"> <table border="1" cellpadding="10" cellspacing="0" class="table1"> <thead> <tr> <td>編號</td> <td>用戶名</td> <td>密碼</td> <td>郵件</td> <td>聯系電話</td> <td>職位</td> <td>Edit</td> <td>Delete</td> </tr> </thead> <c:forEach items="${requestScope.pagemsg.lists}" var="u"> <tr> <th>${u.id }</th> <th>${u.username }</th> <th>${u.password }</th> <th>${u.email }</th> <th>${u.phone }</th> <th>${u.rolename }</th> <th><a href="edit?id=${u.id}">Edit</a></th> <th><a href="delete?id=${u.id}" onclick="return confirm('確定要刪除嗎')">Delete</a></th> </tr> </c:forEach> </table> </c:if> <table border="0" cellspacing="0" cellpadding="0" width="900px"> <tr> <td class="td2"> <span>第${requestScope.pagemsg.currPage }/ ${requestScope.pagemsg.totalPage}頁</span> <span>總記錄數：${requestScope.pagemsg.totalCount } 每頁顯示:${requestScope.pagemsg.pageSize}</span> <span> <c:if test="${requestScope.pagemsg.currPage != 1}"> <a href="${pageContext.request.contextPath }/main?currentPage=1">[首頁]</a> <a href="${pageContext.request.contextPath }/main?currentPage=${requestScope.pagemsg.currPage-1}">[上一頁]</a> </c:if> <c:if test="${requestScope.pagemsg.currPage != requestScope.pagemsg.totalPage}"> <a href="${pageContext.request.contextPath }/main?currentPage=${requestScope.pagemsg.currPage+1}">[下一頁]</a> <a href="${pageContext.request.contextPath }/main?currentPage=${requestScope.pagemsg.totalPage}">[尾頁]</a> </c:if> </span> </td> </tr> </table> </body> </html>
edit.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <%@ taglib uri="http://www.springframework.org/tags/form" prefix="form" %> <!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=UTF-8"> <title>編輯頁面</title> </head> <body> 歡迎你：${currentUser} <hr> <form:form action="save" method="post" modelAttribute="returnUser"> <form:hidden path="id"/> 用戶名:<form:input path="username"/><br> 密碼:<form:input path="password"/><br> 郵件:<form:input path="email"/><br> 聯系電話:<form:input path="phone"/><br> 職位:<form:select path="rolename"> <form:option value="">請選擇職位</form:option> <form:option value="客戶經理">客戶經理</form:option> <form:option value="高管">高管</form:option> <form:option value="銷售主管">銷售主管</form:option> <form:option value="系統管理員">系統管理員</form:option> </form:select><br> <input type="submit" value="提交"/> </form:form> </body> </html>
error.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> <a href="${pageContext.request.contextPath }/index.jsp">登錄發生錯誤，請重新登錄</a> </body> </html>
以上就是源碼了，復制一遍就可以跑起來啦
訪問地址：http://localhost:8080/EasySSM/
參考https://blog.csdn.net/peng_hong_fu/article/details/53645924