不带@Autowired的依赖注入

Question

我知道注释和xml有两种依赖注入的方式。我已经尝试了注释方式，一切正常，但是当我尝试使用xml方式时，对我来说某些东西似乎没有意义。从我的控制器中，我需要调用LabSoftDAOImpl对象并调用该方法。在LabSoftDAOImpl类中，我还需要设置数据源，因为它将进行查询。现在我很困惑如何调用LabSoftDAOImpl的新实例，然后使用setter注入来设置它的数据源。

这是我为spring-servlet.xml

<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="http://www.springframework.org/schema/beans" 
xmlns:context="http://www.springframework.org/schema/context" 
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation=" 
http://www.springframework.org/schema/beans  
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 
http://www.springframework.org/schema/context 
http://www.springframework.org/schema/context/spring-context-3.0.xsd 
http://www.springframework.org/schema/mvc 
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"> 

<context:component-scan 
    base-package="com.peep.ehr.dependencyBuilder , com.peep.ehr.versionTool , com.peep.ehr.surescript" /> 

<mvc:annotation-driven /> 

<bean id="viewResolver" 
    class="org.springframework.web.servlet.view.UrlBasedViewResolver"> 
    <property name="viewClass" 
     value="org.springframework.web.servlet.view.JstlView" /> 
    <property name="prefix" value="/WEB-INF/jsp/" /> 
    <property name="suffix" value=".jsp" /> 
</bean> 
    <bean id="dataSourceSureScripts" 
    class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 

    <property name="driverClassName" value="xxxxxx" /> 
    <property name="url" 
     value="xxxxx" /> 
    <property name="username" value="xxxxx" /> 
    <property name="password" value="xxxx" /> 
</bean> 

<bean id="providerDao" class="com.peep.ehr.surescript.ProviderDAOImpl"> 
    <property name="dataSource" ref="dataSourceSureScripts" /> 
</bean> 

<bean id="artifactDao" class="com.peep.ehr.versionTool.ArtifactDaoImpl"> 
    <property name="dataSource"> 
     <ref local="dataSource" /> 
    </property> 
</bean> 

<bean id="labSoftDao" class="com.peep.ehr.labSoft.LabSoftDAOImpl"> 
    <property name="dataSource"> 
     <ref local="dataSourceSureScripts" /> 
    </property> 
</bean> 

<bean class="org.springframework.context.support.ResourceBundleMessageSource" 
    id="messageSource"> 
    <property name="basename" value="messages" /> 
</bean> 

<bean 
    class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> 
    <property name="locations" value="classpath:labsoft.properties"> 
    </property> 
</bean> 

<bean id="labsoft" class="com.peep.ehr.labSoft.LabSoft"> 
    <property name="ehrKey" value="${labsoft.Key}" /> 
    <property name="ehrPrefix" value="${labsoft.Prefix}" /> 
</bean> 

<bean id="labsoftController" class="com.peep.ehr.labSoft.LabSoftController"> 
    <property name="LabSoft" ref="labsoft" /> 
</bean> 

控制器

@Controller 
public class LabSoftController { 
static LabSoft lb; 

String practiceName; 

LabSoft LabSoft; 

LabSoftDAOImpl labSoftMethods; 


public void setLabSoftDAOImpl(LabSoftDAOImpl labsoftimpl){ 
    labSoftMethods = labsoftimpl; 
} 


public void setLabSoft(LabSoft labsoft){ 
    LabSoft = labsoft; 
} 
    .... 

LabSoftDAOImpl

public class LabSoftDAOImpl implements LabSoftDAO, InitializingBean { 

private DataSource dataSource; 
JdbcTemplate jdbcTemplate; 

@Override 
public void afterPropertiesSet() throws Exception { 
    if (dataSource == null) { 
     throw new BeanCreationException("Must set dataSource on LabSoftDAOImpl"); 
    } 
} 

public void setDataSource(DataSource dataSource) { 
    this.dataSource = dataSource; 
    this.jdbcTemplate = new JdbcTemplate(dataSource); 
} 
    ... 

Answer 1

<bean id="labsoftController" class="com.peep.ehr.labSoft.LabSoftController"> 
    <property name="LabSoft" ref="labsoft" /> 
    <property name="labSoftDao" ref="labSoftDao" /> 
</bean> 

在LabSoftController

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