Spring使用UTIL命名空间实现注入数值信息-----Spring框架

逃离我推掉我的手 2024-03-23 18:41 10阅读 0赞

>     <?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:util="http://www.springframework.org/schema/util"
>            xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
>                             http://www.springframework.org/schema/util http://www.springframework.org/schema/beans/spring-util.xsd">
>     
>         <bean id="ds1" class="com.powernode.spring6.jdbc.MyDataSource1">
>             <property name="properties">
>                 <props>
>                     <prop key="driver">com.mysql.cj.jdbc.Driver</prop>
>                     <prop key="url">jdbc:mysql://localhost:13306/spring</prop>
>                     <prop key="username">root</prop>
>                     <prop key="password">abc123</prop>
>                 </props>
>             </property>
>         </bean>
>         <bean id="ds2" class="com.powernode.spring6.jdbc.MyDataSource2">
>             <property name="properties">
>                 <props>
>                     <prop key="driver">com.mysql.cj.jdbc.Driver</prop>
>                     <prop key="url">jdbc:mysql://localhost:13306/spring</prop>
>                     <prop key="username">root</prop>
>                     <prop key="password">abc123</prop>
>                 </props>
>             </property>
>         </bean>
>     </beans>
> 
>     <?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:util="http://www.springframework.org/schema/util"
>            xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
>                             http://www.springframework.org/schema/util http://www.springframework.org/schema/beans/spring-util.xsd">
>     
>         <bean id="ds1" class="com.powernode.spring6.jdbc.MyDataSource1">
>             <property name="properties">
>                 <props>
>                     <prop key="driver">com.mysql.cj.jdbc.Driver</prop>
>                     <prop key="url">jdbc:mysql://localhost:13306/spring</prop>
>                     <prop key="username">root</prop>
>                     <prop key="password">abc123</prop>
>                 </props>
>             </property>
>         </bean>
>         <bean id="ds2" class="com.powernode.spring6.jdbc.MyDataSource2">
>             <property name="properties">
>                 <props>
>                     <prop key="driver">com.mysql.cj.jdbc.Driver</prop>
>                     <prop key="url">jdbc:mysql://localhost:13306/spring</prop>
>                     <prop key="username">root</prop>
>                     <prop key="password">abc123</prop>
>                 </props>
>             </property>
>         </bean>
>     </beans>

>     package com.powernode.spring6.jdbc;
>     
>     import javax.sql.DataSource;
>     import java.io.PrintWriter;
>     import java.sql.Connection;
>     import java.sql.SQLException;
>     import java.sql.SQLFeatureNotSupportedException;
>     import java.util.Properties;
>     import java.util.logging.Logger;
>     
>     public class MyDataSource1 implements DataSource
>     {
>         //连接数据库的信息
>         private String Driver;
>         private String url;
>         private String username;
>         private String password;
>         private Properties properties;
>     
>         public void setProperties(Properties properties) {
>             this.properties = properties;
>         }
>     
>         @Override
>         public String toString() {
>             return "MyDataSource1{" +
>                     "properties=" + properties +
>                     '}';
>         }
>     
>         //放在Map集合的属性内,用key和value封装
>         @Override
>         public Connection getConnection() throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public Connection getConnection(String username, String password) throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public PrintWriter getLogWriter() throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public void setLogWriter(PrintWriter out) throws SQLException {
>     
>         }
>     
>         @Override
>         public void setLoginTimeout(int seconds) throws SQLException {
>     
>         }
>     
>         @Override
>         public int getLoginTimeout() throws SQLException {
>             return 0;
>         }
>     
>         @Override
>         public Logger getParentLogger() throws SQLFeatureNotSupportedException {
>             return null;
>         }
>     
>         @Override
>         public <T> T unwrap(Class<T> iface) throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public boolean isWrapperFor(Class<?> iface) throws SQLException {
>             return false;
>         }
>     }
> 
>     package com.powernode.spring6.jdbc;
>     
>     import javax.sql.DataSource;
>     import java.io.PrintWriter;
>     import java.sql.Connection;
>     import java.sql.SQLException;
>     import java.sql.SQLFeatureNotSupportedException;
>     import java.util.Properties;
>     import java.util.logging.Logger;
>     
>     public class MyDataSource1 implements DataSource
>     {
>         //连接数据库的信息
>         private String Driver;
>         private String url;
>         private String username;
>         private String password;
>         private Properties properties;
>     
>         public void setProperties(Properties properties) {
>             this.properties = properties;
>         }
>     
>         @Override
>         public String toString() {
>             return "MyDataSource1{" +
>                     "properties=" + properties +
>                     '}';
>         }
>     
>         //放在Map集合的属性内,用key和value封装
>         @Override
>         public Connection getConnection() throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public Connection getConnection(String username, String password) throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public PrintWriter getLogWriter() throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public void setLogWriter(PrintWriter out) throws SQLException {
>     
>         }
>     
>         @Override
>         public void setLoginTimeout(int seconds) throws SQLException {
>     
>         }
>     
>         @Override
>         public int getLoginTimeout() throws SQLException {
>             return 0;
>         }
>     
>         @Override
>         public Logger getParentLogger() throws SQLFeatureNotSupportedException {
>             return null;
>         }
>     
>         @Override
>         public <T> T unwrap(Class<T> iface) throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public boolean isWrapperFor(Class<?> iface) throws SQLException {
>             return false;
>         }
>     }

>     package com.powernode.spring6.jdbc;
>     
>     import javax.sql.DataSource;
>     import java.io.PrintWriter;
>     import java.sql.Connection;
>     import java.sql.SQLException;
>     import java.sql.SQLFeatureNotSupportedException;
>     import java.util.Properties;
>     import java.util.logging.Logger;
>     
>     public class MyDataSource2 implements DataSource
>     {
>         //连接数据库的信息
>         private String Driver;
>         private String url;
>         private String username;
>         private String password;
>         private Properties properties;
>     
>         public void setProperties(Properties properties) {
>             this.properties = properties;
>         }
>     
>         @Override
>         public String toString() {
>             return "MyDataSource1{" +
>                     "properties=" + properties +
>                     '}';
>         }
>     
>         //放在Map集合的属性内,用key和value封装
>         @Override
>         public Connection getConnection() throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public Connection getConnection(String username, String password) throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public PrintWriter getLogWriter() throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public void setLogWriter(PrintWriter out) throws SQLException {
>     
>         }
>     
>         @Override
>         public void setLoginTimeout(int seconds) throws SQLException {
>     
>         }
>     
>         @Override
>         public int getLoginTimeout() throws SQLException {
>             return 0;
>         }
>     
>         @Override
>         public Logger getParentLogger() throws SQLFeatureNotSupportedException {
>             return null;
>         }
>     
>         @Override
>         public <T> T unwrap(Class<T> iface) throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public boolean isWrapperFor(Class<?> iface) throws SQLException {
>             return false;
>         }
>     }
> 
>     package com.powernode.spring6.jdbc;
>     
>     import javax.sql.DataSource;
>     import java.io.PrintWriter;
>     import java.sql.Connection;
>     import java.sql.SQLException;
>     import java.sql.SQLFeatureNotSupportedException;
>     import java.util.Properties;
>     import java.util.logging.Logger;
>     
>     public class MyDataSource2 implements DataSource
>     {
>         //连接数据库的信息
>         private String Driver;
>         private String url;
>         private String username;
>         private String password;
>         private Properties properties;
>     
>         public void setProperties(Properties properties) {
>             this.properties = properties;
>         }
>     
>         @Override
>         public String toString() {
>             return "MyDataSource1{" +
>                     "properties=" + properties +
>                     '}';
>         }
>     
>         //放在Map集合的属性内,用key和value封装
>         @Override
>         public Connection getConnection() throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public Connection getConnection(String username, String password) throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public PrintWriter getLogWriter() throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public void setLogWriter(PrintWriter out) throws SQLException {
>     
>         }
>     
>         @Override
>         public void setLoginTimeout(int seconds) throws SQLException {
>     
>         }
>     
>         @Override
>         public int getLoginTimeout() throws SQLException {
>             return 0;
>         }
>     
>         @Override
>         public Logger getParentLogger() throws SQLFeatureNotSupportedException {
>             return null;
>         }
>     
>         @Override
>         public <T> T unwrap(Class<T> iface) throws SQLException {
>             return null;
>         }
>     
>         @Override
>         public boolean isWrapperFor(Class<?> iface) throws SQLException {
>             return false;
>         }
>     }