Spring整理6 -- 构造方法注入

配置文件

<beans>

        <bean id="conf" class="dbconf.Conf" >

                <!--构造函数方法注入-->

                <constructor-arg index="0" type="java.lang.String">

                        <value>sunDriver</value>

                </constructor-arg>

                 <constructor-arg index="1" type="java.lang.String">

                        <value>jdbc:odbc:School</value>

                </constructor-arg> 

        </bean>

        <bean id="conf2" class="dbconf.Conf" ></bean>

</beans>

  

程序：

 

package dbconf;

 

public class Conf {

       public Conf(){}

       public Conf(String driverClassName,String url){

              this.driverClassName = driverClassName;

              this.url = url;

              System.out.println("构造函数");

       }

       private String driverClassName;

       private String url;

       

       public String getDriverClassName() {

              return driverClassName;

       }

       public void setDriverClassName(String driverClassName) {

              this.driverClassName = driverClassName;

       }

       public String getUrl() {

              return url;

       }

       public void setUrl(String url) {

              this.url = url;

       }

       public void printInfo(){

              System.out.println(this.driverClassName);

              System.out.println(this.url);

       }

}