一只黑猫学JAVA

2008-02-27

如何将Service注入自定义的tag中？

关键字: spring+struts

刚学SPRING不久，现在遇到一个问题，要讲一个service注入到自定义的tag中，应该如何写配置文件？
大概代码如下：
标签类

public class CompanyAmplyInfoTag extends TagSupport{
	

	private static final long serialVersionUID = 1L;
	
	private ICompanyInfoService companyInfoService;
	private String id;
	private String companyId;

	public int doEndTag() throws JspException {
		companyInfoService = (ICompanyInfoService)this.getCompanyInfoService();
		CompanyInfoBean companyInfo = new CompanyInfoBean();
		companyInfo = (CompanyInfoBean)companyInfoService.getCompanyAmplyInfo(companyId);
		pageContext.setAttribute(id, companyInfo);
		
		return EVAL_PAGE;
	}
	
	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

	public String getCompanyId() {
		return companyId;
	}

	public void setCompanyId(String companyId) {
		this.companyId = companyId;
	}

	public ICompanyInfoService getCompanyInfoService() {
		return companyInfoService;
	}

	public void setCompanyInfoService(ICompanyInfoService companyInfoService) {
		this.companyInfoService = companyInfoService;
	}


	
}

标签bean的配置

<bean id="CompanyInfoTag" class="cn.ipanel.apps.product.web.jsptag.CompanyAmplyInfoTag">
		<property name="companyInfoService">
			<ref bean="companyInfoService" />
		</property>
	</bean>

这样配置了，但是运行程序时，这个service始终为NULL。
请问应该怎么配置才对？