JSP Spring配置文件中传值的实例详解

public class Test1 { 
 
  private String name = "nihao"; 
 
  public String getName() { 
    return name; 
  } 
 
} 

<bean id="t1" class="i.test.Test1" /> 
 
<!-- name = t1.getName() --> 
<bean id="name" 
  class=".springframework.beans.factory.config.PropertyPathFactoryBean" 
  p:targetObject-ref="t1" p:propertyPath="name" /> 

public class Test3 { 
 
  private Test1 t1 = new Test1(); 
  private String name; 
 
  public void setName(String name) { 
    this.name = name; 
  } 
 
  public Test1 getT1() { 
    return t1; 
  } 
 
} 
 

<!-- 将t1的name属性值赋给t3的name --> 
<bean id="t3" class="i.test.Test3"> 
  <property name="name"> 
    <!-- 执行t3.getT1().getName() --> 
    <bean id="t3.t1.name" 
      class=".springframework.beans.factory.config.PropertyPathFactoryBean" /> 
 
  </property> 
</bean> 
 

public class Test3 { 
  public String name = "nihao"; 
  public static final int MAX_LENGTH = 10; 
} 
 

<bean id="t3" class="i.test.Test3" /> 
 
<!-- 访问成员Field 需要实例 --> 
<bean id="name" 
  class=".springframework.beans.factory.config.FieldRetrievingFactoryBean" 
  p:targetObject-ref="t3" p:targetField="name" /> 

<!-- 访问静态field只需要类路径 --> 
<bean id="length" 
  class=".springframework.beans.factory.config.FieldRetrievingFactoryBean" 
  p:targetClass="i.test.Test3" p:targetField="MAX_LENGTH" /> 
 
<!-- 或者 --> 
<bean id="length" 
  class=".springframework.beans.factory.config.FieldRetrievingFactoryBean" 
  p:staticField="i.test.Test3.MAX_LENGTH" /> 
 

public class Test3 { 
  public void execute(String str, int i) { 
    System.err.println(str + "--" + i); 
  } 
} 

<bean id="t3" class="i.test.Test3" /> 
 
<bean 
  class=".springframework.beans.factory.config.MethodInvokingFactoryBean" 
  p:targetObject-ref="t3" p:targetMethod="execute"> 
  <property name="arguments"> 
    <list> 
      <value>nihao</value> 
      <value>56</value> 
    </list> 
  </property> 
</bean>