[企业权限管理系统]
ssm整合项目
1 搭建环境
1.1数据库与表结构
1.1 Oracle数据库新建用户和赋予基本权限
create user SSM IDENTIFIED BY "password"
default tablespace USERS
temporary tablespace TEMP
profile DEFAULT;
grant connect to SSM;
grant resource to SSM;
grant unlimited tablespace to SSM;
1.新建个用户
create user xxxxx(用户名) identified by "密码"
alert user 用户名 identified by “新密码” --修改用户密码
因为新建的用户和默认的用户是锁住的,没有权限。所以新建用户后要给用户赋予权限
grant dba to 用户名 --给用户赋予所有权限,connect是赋予连接数据库的权限,resource 是赋予用户只可以创建实体但是没有创建数据结构的权限。
grant create session to 用户名 --这个是给用户赋予登录的权限。
grant create table to 用户名 --给用户赋予表操作的权限
grant unlimited tablespace to 用户名 --给用户赋予表空间操作的权限
grant select any table to 用户名 --给该用户赋予访问任务表的权限 同理可以赋予update 和delete 的
grant select on B.user to A --这里是给A用户赋予select B用户的user表的查询的权限。同理可以有alter,drop,insert等权限。
-----------------------------注意 这个语句在没有访问另一个用户的权限情况下这个语句要在另一个用户登录情况下执行,这样才能生效。
-------------撤销权限
基本语法同grant,关键字为revoke 如: revoke create tabel to 用户名 就是取消这个用户的对表操作的权限。
-----------查看权限
select * from user_sys_privs;//查看当前用户所有权限
select * from user_tab_privs;//查看所用用户对表的权限
-----------角色
角色即权限的集合,可以把一个角色授予给用户,管理角色的权限比较简单,可以在一个用户下创建多个角色,用户只需要添加角色就可以管理权限了,便于用户管理权限。
create role myrole;//创建角色
grant create session to myrole;//将创建session的权限授予myrole
grant myrole to zhangsan;//授予zhangsan用户myrole的角色
drop role myrole;删除角色
1.2 创建表
产品表信息描述
序号 | 字段名称 | 字段类型 | 字段描述 |
---|---|---|---|
1 | id | varchar2(32) | 无意义主键uuid |
2 | productNum | varchar2(50) | 产品编号,唯一,不为空 |
3 | productName | varchar2(50) | 产品名称(路线名称) |
4 | cityName | varchar2(50) | 出发城市 |
5 | DepartureTime | timestamp | 出发时间 |
6 | productPrice | number | 产品价格 |
7 | productDesc | varchar2(500) | 产品描述 |
8 | productStatus | int | 状态(0 关闭 1 开启) |
创建表sql
CREATE TABLE product(
id varchar2(32) default SYS_GUID() PRIMARY KEY,
productNum VARCHAR2(50) NOT NULL,
productName VARCHAR2(50),
cityName VARCHAR2(50),
DepartureTime timestamp,
productPrice Number,
productDesc VARCHAR2(500),
productStatus INT,
CONSTRAINT product UNIQUE (id, productNum)
)
1.2 maven工程搭建
1.2.1 创建子模块
rgh-ssm-web rgh-ssm-domain rgh-ssm-service rgh-ssm-dao rgh-ssm-utils 其中创建rgh-ssm-web
时注意我们选择一个web工程
1.2.2 pom.xml
<properties>
<spring.version>5.0.2.RELEASE</spring.version>
<slf4j.version>1.6.6</slf4j.version>
<log4j.version>1.2.12</log4j.version>
<oracle.version>11.2.0.1.0</oracle.version>
<mybatis.version>3.4.5</mybatis.version>
<spring.security.version>5.0.1.RELEASE</spring.security.version>
</properties>
<dependencies> <!-- spring -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.6.8</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency> <!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency> <!-- log end -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.2</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-core</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-taglibs</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.4.0</version>
</dependency>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>jsr250-api</artifactId>
<version>1.0</version>
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
<showWarnings>true</showWarnings>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
这里因为Oracle的商业版权问题,maven的中心资源库中没有ojdbc驱动包,所以需要在maven本地库中安装ojdbc驱动包
将下载好的jar包重命名ojdbc14-10.2.0.4.0.jar后,放在对应的路径:我放在D:\ojdbc14-10.2.0.4.0.jar下的
运行cmd命令(需要事先配置好maven环境变量,最好别用eclipls自带的maven):
然后进入cmd输入命令:mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc14 -Dversion=10.2.0.4.0 -Dpackaging=jar -Dfile=D:\ojdbc14-10.2.0.4.0.jar。
出现“BUILD SUCCESS”信息说明安装成功
再导入
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.4.0</version>
</dependency>
1.3 编写实体类
public class Product {
private String id; // 主键
private String productNum; // 编号 唯一
private String productName; // 名称
private String cityName; // 出发城市
private Date departureTime; // 出发时间
private String departureTimeStr;
private double productPrice; // 产品价格
private String productDesc; // 产品描述
private Integer productStatus; // 状态 0 关闭 1 开启
private String productStatusStr;
}
1.4 编写业务接口
public interface IProductService {
List<Product> findAll() throws Exception;
}
1.5 编写持久层接口
public interface IProductDao {
@Select("select * from product")
List<Product> findAll() throws Exception;
}
2 ssm整合与产品查询
2.1 Spring环境搭建
2.1.1.编写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: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.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.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- 开启注解扫描,管理service和dao -->
<context:component-scan base-package="com.rgh.ssm.service">
</context:component-scan>
<context:component-scan base-package="com.rgh.ssm.dao">
</context:component-scan>
<context:property-placeholder location="classpath:db.properties"/>
<!-- 配置连接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}" />
<property name="jdbcUrl" value="${jdbc.url}" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean>
<!-- 把交给IOC管理 SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 传入PageHelper的插件 -->
<property name="plugins">
<array>
<!-- 传入插件的对象 -->
<bean class="com.github.pagehelper.PageInterceptor">
<property name="properties">
<props>
<prop key="helperDialect">oracle</prop>
<prop key="reasonable">true</prop>
</props>
</property>
</bean>
</array>
</property>
</bean>
<!-- 配置Spring的声明式事务管理 -->
<!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
<!-- 扫描dao接口 -->
<bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.rgh.ssm.dao"/>
</bean>
</beans>
2.1.2 使用注解配置业务层
@Service
public class ProductServiceImpl implements IProductService{
@Override
public List<Product> findAll() throws Exception {
return null;
}
}
2.2 Spring MVC 环境搭建
2.2.1.web.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<!-- 配置加载类路径的配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:applicationContext.xml</param-value>
</context-param>
<!-- 配置监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 配置监听器,监听request域对象的创建和销毁的 -->
<listener>
<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
</listener>
<!-- 前端控制器(加载classpath:springmvc.xml 服务器启动创建servlet) -->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 配置初始化参数,创建完DispatcherServlet对象,加载springmvc.xml配置文件 -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<!-- 服务器启动的时候,让DispatcherServlet对象创建 -->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<!-- 解决中文乱码过滤器 -->
<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>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>
2.2.2.Spring MVC配置文件springmvc.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.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.xsd
">
<!-- 扫描controller的注解,别的不扫描 -->
<context:component-scan base-package="com.rgh.ssm.controller">
</context:component-scan>
<!-- 配置视图解析器 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- JSP文件所在的目录 -->
<property name="prefix" value="/pages/" />
<!-- 文件的后缀名 -->
<property name="suffix" value=".jsp" />
</bean>
<!-- 设置静态资源不过滤 -->
<mvc:resources location="/css/" mapping="/css/**" />
<mvc:resources location="/img/" mapping="/img/**" />
<mvc:resources location="/js/" mapping="/js/**" />
<mvc:resources location="/plugins/" mapping="/plugins/**" />
<!-- 开启对SpringMVC注解的支持 -->
<mvc:annotation-driven />
<!--
支持AOP的注解支持,AOP底层使用代理技术
JDK动态代理,要求必须有接口
cglib代理,生成子类对象,proxy-target-class="true" 默认使用cglib的方式
-->
<aop:aspectj-autoproxy proxy-target-class="true"/>
</beans>
2.2.3.编写Controller
@Controller
@RequestMapping("/product")
public class ProductController {
@Autowired
private IProductService productService;
@RequestMapping("/findAll.do")
public ModelAndView findAll() {
return null;
}
}
2.3 Spring与Spring MVC整合
<!-- 配置加载类路径的配置文件 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:applicationContext.xml,classpath*:spring-security.xml</param-value>
</context-param>
<!-- 配置监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
2.4 Spring与MyBatis整合
2.4.1.整合思路
把 mybatis 配置文件(mybatis.xml)中内容配置到 spring 配置文件中 同时,把 mybatis 配置文件的内容清掉
<?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>
注意: 理 由于我们使用的是代理 Dao , 的模式,Dao 具体实现类由 MyBatis 使用代理方式创建,所以此时
mybatis 配置文件不能删。 当我们整合 spring 和 mybatis 时,mybatis 创建的 Mapper.xml 文件名必须和 Dao
接口 文件 名一致
2.4.2.Spring接管mybatis的Session工厂
MySQL的db.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssm?useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=360
Oracle的db.properties
jdbc.driver=oracle.jdbc.driver.OracleDriver
jdbc.url=jdbc:oracle:thin:@192.168.56.101:1521:orcl
jdbc.username=ssm
jdbc.password=password
2.4.3.自动扫描所有Mapper接口和文件
<!-- 扫描dao接口 -->
<bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.itheima.ssm.dao"/>
</bean>
2.4.4.配置Spring事务
<!-- 配置Spring的声明式事务管理 -->
<!-- 配置事务管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
2.5 测试运行
2.5.0 在web模块的pom.xml中加入插件
<plugins>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<configuration>
<port>8888</port>
</configuration>
<version>2.2</version>
</plugin>
</plugins>
2.5.1.编写jsp页面
2.5.1.1 请求发起页面 index.jsp
2.5.2 Controller
//查询全部产品
@RequestMapping("/findAll.do")
public ModelAndView findAll() throws Exception {
ModelAndView mv = new ModelAndView();
List<Product> ps = productService.findAll();
mv.addObject("productList",ps );
mv.setViewName("product-list");
return mv;
}
2.5.3 Dao
//查询所有的产品信息
@Select("select * from product")
public List<Product> findAll() throws Exception;
2.5.4 对于产品状态的处理
页面上用的是productStatusStr
private Integer productStatus; // 状态 0 关闭 1 开启
private String productStatusStr;
public String getProductStatusStr() {
if(productStatus != null){
//状态 0关闭 1 开启
if(productStatus==0){
productStatusStr = "关闭";
}
if(productStatus==1){
productStatusStr = "开启";
}
}
return productStatusStr;
}
2.5.5 出发时间日期的转换
先写一个日期与字符串相互转换的工具类Dateutils
public class DateUtils {
//日期转换成字符串
public static String datetoString(Date date,String patt){
SimpleDateFormat sdf = new SimpleDateFormat(patt);
String format = sdf.format(date);
return format;
}
//字符串转换成日期
public static Date stringtoDate(String str,String patt) throws ParseException {
SimpleDateFormat sdf = new SimpleDateFormat();
Date parse = sdf.parse(str);
return parse;
}
}
对出发时间的处理
页面上显示的是departureTimeStr
private Date departureTime; // 出发时间
private String departureTimeStr;
在get方法里
public String getDepartureTimeStr() {
if(departureTime!=null){
departureTimeStr = DateUtils.datetoString(departureTime,"yyyy-MM-dd HH:mm:ss");
}
return departureTimeStr;
}
3.商品添加
3.1 商品添加页面 product-add.jsp
3.2 Controller
//产品添加
@RequestMapping("/save")
public String save(Product product) throws Exception {
productService.save(product);
return "redirect:findAll.do";
}
3.3 Dao
@Insert("insert into product(productNum,productName,cityName,departureTime,productPrice," +
"productDesc,productStatus) values(#{productNum},#{productName},#{cityName}," +
"#{departureTime},#{productPrice},#{productDesc},#{productStatus})")
void save(Product product) throws Exception;
让index.jsp跳转到main.jsp
<jsp:forward page="/pages/main.jsp"/>