@Component public class SpringUtil extends Object implements org.springframework.context.ApplicationContextAware
1、Spring IOC容器中的bean对象获取
| Constructor and Description |
|---|
SpringUtil() |
| Modifier and Type | Method and Description |
|---|---|
static String |
getActiveProfile()
获取当前的环境配置，当有多个环境配置时，只获取第一个
|
static String[] |
getActiveProfiles()
获取当前的环境配置，无配置返回null
|
static org.springframework.context.ApplicationContext |
getApplicationContext()
获取applicationContext
|
static <T> T |
getBean(Class<T> clazz)
通过class获取Bean
|
static <T> T |
getBean(String name)
通过name获取 Bean
|
static <T> T |
getBean(String name,
Class<T> clazz)
通过name,以及Clazz返回指定的Bean
|
static <T> T |
getBean(TypeReference<T> reference)
通过类型参考返回带泛型参数的Bean
|
static String[] |
getBeanNamesForType(Class<?> type)
获取指定类型对应的Bean名称，包括子类
|
static <T> Map<String,T> |
getBeansOfType(Class<T> type)
获取指定类型对应的所有Bean，包括子类
|
static String |
getProperty(String key)
获取配置文件配置项的值
|
static <T> void |
registerBean(String beanName,
T bean)
动态向Spring注册Bean
|
void |
setApplicationContext(org.springframework.context.ApplicationContext applicationContext) |
public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
setApplicationContext in interface org.springframework.context.ApplicationContextAwarepublic static org.springframework.context.ApplicationContext getApplicationContext()
public static <T> T getBean(String name)
T - Bean类型name - Bean名称public static <T> T getBean(Class<T> clazz)
T - Bean类型clazz - Bean类public static <T> T getBean(String name, Class<T> clazz)
T - bean类型name - Bean名称clazz - bean类型public static <T> T getBean(TypeReference<T> reference)
T - Bean类型reference - 类型参考，用于持有转换后的泛型类型public static <T> Map<String,T> getBeansOfType(Class<T> type)
T - Bean类型type - 类、接口，null表示获取所有beanpublic static String[] getBeanNamesForType(Class<?> type)
type - 类、接口，null表示获取所有bean名称public static String getProperty(String key)
key - 配置项keypublic static String[] getActiveProfiles()
public static String getActiveProfile()
public static <T> void registerBean(String beanName, T bean)
由BeanFactory 实现，通过工具开放API
T - Bean类型beanName - 名称bean - beanCopyright © 2021. All rights reserved.