Spring参考手册 mvc:annotation-driven
2011-07-02 15:18
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This tag registers the DefaultAnnotationHandlerMapping and AnnotationMethodHandlerAdapter beans that are required for Spring MVC to dispatch requests to Controllers.
这个标签注册了Spring MVC分发请求到控制器所必须的DefaultAnnotationHandlerMapping和AnnotationMethodHandlerAdapter实例
The tag configures those two beans with sensible defaults based on what is present in your classpath.
标签配置的这2个实例可以根据classpath中的内容默认提供以下功能:
The defaults are:
1. Support for Spring 3's Type ConversionService in addition to JavaBeans PropertyEditors during Data Binding.
A ConversionService instance produced by the org.springframework.format.support.FormattingConversionServiceFactoryBean is used by default.
This can be overriden by setting the conversion-service attribute.
支持spring3的javaBeans属性编辑器数据绑定时的类型转换服务。
类型转换服务实例默认为org.springframework.format.support.FormattingConversionServiceFactoryBean。
可以覆盖conversion-service属性来指定类型转换服务实例类。
2. Support for formatting Number fields using the @NumberFormat annotation
支持@NumberFormat 注解格式化数字类型字段。
3. Support for formatting Date, Calendar, Long, and Joda Time fields using the @DateTimeFormat annotation, if Joda Time 1.3 or higher is present on the classpath.
@DateTimeFormat注解格式化 Date, Calendar, Long和 Joda Time(如classpath下存在Joda Time 1.3或更高版本)字段
4. Support for validating @Controller inputs with @Valid, if a JSR-303 Provider is present on the classpath.
The validation system can be explicitly configured by setting the validator attribute.
支持@Valid注解验证控制器数据,classpath中需JSR-303的**。
可以使用setting明确的配置
5. Support for reading and writing XML, if JAXB is present on the classpath.
支持读写xml,classpath中需JAXB 。
6. Support for reading and writing JSON, if Jackson is present on the classpath.
支持读写json,classpath中需Jackson 。
A typical usage is shown below:
下边是用法:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
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/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- JSR-303 support will be detected on classpath and enabled automatically -->
<mvc:annotation-driven/>
</beans>
求上述1-6的使用例子。
这个标签注册了Spring MVC分发请求到控制器所必须的DefaultAnnotationHandlerMapping和AnnotationMethodHandlerAdapter实例
The tag configures those two beans with sensible defaults based on what is present in your classpath.
标签配置的这2个实例可以根据classpath中的内容默认提供以下功能:
The defaults are:
1. Support for Spring 3's Type ConversionService in addition to JavaBeans PropertyEditors during Data Binding.
A ConversionService instance produced by the org.springframework.format.support.FormattingConversionServiceFactoryBean is used by default.
This can be overriden by setting the conversion-service attribute.
支持spring3的javaBeans属性编辑器数据绑定时的类型转换服务。
类型转换服务实例默认为org.springframework.format.support.FormattingConversionServiceFactoryBean。
可以覆盖conversion-service属性来指定类型转换服务实例类。
2. Support for formatting Number fields using the @NumberFormat annotation
支持@NumberFormat 注解格式化数字类型字段。
3. Support for formatting Date, Calendar, Long, and Joda Time fields using the @DateTimeFormat annotation, if Joda Time 1.3 or higher is present on the classpath.
@DateTimeFormat注解格式化 Date, Calendar, Long和 Joda Time(如classpath下存在Joda Time 1.3或更高版本)字段
4. Support for validating @Controller inputs with @Valid, if a JSR-303 Provider is present on the classpath.
The validation system can be explicitly configured by setting the validator attribute.
支持@Valid注解验证控制器数据,classpath中需JSR-303的**。
可以使用setting明确的配置
5. Support for reading and writing XML, if JAXB is present on the classpath.
支持读写xml,classpath中需JAXB 。
6. Support for reading and writing JSON, if Jackson is present on the classpath.
支持读写json,classpath中需Jackson 。
A typical usage is shown below:
下边是用法:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
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/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- JSR-303 support will be detected on classpath and enabled automatically -->
<mvc:annotation-driven/>
</beans>
求上述1-6的使用例子。
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