在Java3.1.1中是否可以使用Spring注解来配置视图解析器?
我已经完成了使用Java的所有配置,但我仍然只能使用视图解析器。
代码
package com;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import javax.sql.DataSource;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import com.*;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import org.springframework.web.servlet.view.UrlBasedViewResolver;
import org.springframework.web.servlet.view.JstlView;
@Configuration
@ComponentScan("com")
public class AppConfig
{
{
//Other bean declarations
}
@Bean
public UrlBasedViewResolver urlBasedViewResolver()
{
UrlBasedViewResolver res = new InternalResourceViewResolver();
res.setViewClass(JstlView.class);
res.setPrefix("/WEB-INF/");
res.setSuffix(".jsp");
return res;
}
}
我使用了这段代码并运行了应用程序,但它没有返回适当的视图。但是,如果我在app-servlet.xml
文件中配置一个视图解析器,它就能正常工作。
发布于 2013-01-21 02:02:46
您的类应该扩展WebMvcConfigurerAdapter类。请看下面的例子
@Configuration
@ComponentScan(basePackages="com")
@EnableWebMvc
public class MvcConfiguration extends WebMvcConfigurerAdapter{
@Bean
public ViewResolver getViewResolver(){
InternalResourceViewResolver resolver = new InternalResourceViewResolver();
resolver.setPrefix("/WEB-INF/views/");
resolver.setSuffix(".jsp");
return resolver;
}
}
发布于 2016-11-17 18:35:15
我用Spring 4.3.4测试了你的场景,它工作正常。我建议仔细检查您扫描的包,以及是否正确提供了AppConfig。我附加了从你的AppConfig开始的所有文件。然而,扩展WebMvcConfigurerAdapter是一件好事。所附的源代码并不理想,它过于简单化,只是为了重现您所报告的问题。
从AppConfig开始:
package com;
import org.springframework.context.annotation.*;
import org.springframework.web.servlet.view.*;
@Configuration
@ComponentScan("com")
public class AppConfig {
@Bean
public UrlBasedViewResolver getViewResovler() {
UrlBasedViewResolver urlBasedViewResolver = new UrlBasedViewResolver();
urlBasedViewResolver.setViewClass(JstlView.class);
urlBasedViewResolver.setPrefix("/WEB-INF/jsp/");
urlBasedViewResolver.setSuffix(".jsp");
return urlBasedViewResolver;
}
}
然后:
package com;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
public class WebInit extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected Class<?>[] getRootConfigClasses() {
return new Class<?>[] { };
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class<?>[] { AppConfig.class };
}
@Override
protected String[] getServletMappings() {
return new String[] { "/" };
}
}
最后:
package com;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class MainController {
@RequestMapping("/")
public ModelAndView asdf() {
return new ModelAndView("ABC");
}
}
发布于 2015-12-04 00:37:26
上面的问题是,在定义bean getViewResolver之前调用了DispatcherServlet.initViewResolvers get,并且它找不到bean,所以它从来没有添加视图解析器。
如果您将bean定义移动到xml定义中,它将被拾取。由于某些原因,如果MvcConfiguration中没有定义DispatcherServlet,那么您定义的XML类不会触发ViewResolvers刷新。
https://stackoverflow.com/questions/14426947
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