我对 Spring MVC 和 jsp 网页有问题。
当我请求一个网页时，它默认以文本/纯文本形式返回。我尝试在 HttpServletResponse 手动将内容类型设置为 text/html Controller ，Web 浏览器对其进行重新配置，正确显示它，但在正文中对 jsp 标签进行编码。例子:
JSP:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Error 405 ******* </title>
</head>
<body> asdasdsasad </body>
</html>
浏览器接收:
<html>
<body><%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Title</title>
</body>
</html>
我正在使用 Spring Boot 和基于 java web 的注释进行配置。另外，我正在使用
@EnableAutoConfiguration ，我发现问题是通过将sevlet从“/*”映射到“/”来解决的。由于java注释，我不得不覆盖dispatchedServlet( https://github.com/spring-projects/spring-boot/issues/91#issuecomment-27626036 )，配置类是:
@Configuration
public class DispatcherConfiguration {
@Bean
public ServletRegistrationBean dispatcherRegistration() {
ServletRegistrationBean registration = new ServletRegistrationBean(dispatcherServlet());
registration.addUrlMappings("/");
registration.setLoadOnStartup(1);
System.out.println("~~~~~~~ Servlet regristated " + registration.getServletName());
return registration;
}
@Bean
public DispatcherServlet dispatcherServlet() {
return new DispatcherServlet();
}
请注意，我使用的是
@Bean注解跟不上前面的评论链接，因为如果没有，Spring boot 会抛出异常。但即使不使用 bean 注释，并且使用 xml，主要问题仍然存在)。这是 Spring MVC 配置文件:
@Configuration
@EnableWebMvc
@ComponentScan("es.sfacut")
public class WebMvcConfiguration extends WebMvcConfigurerAdapter {
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/login").setViewName("login");
registry.setOrder(Ordered.HIGHEST_PRECEDENCE);
}
// Maps resources path to webapp/resources
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
registry.addResourceHandler("/images/**").addResourceLocations("/resources/images/");
registry.addResourceHandler("/imgs/**")
.addResourceLocations(Constant.RESOURCE_IMAGES_PATH);
}
@Bean
public UrlBasedViewResolver setupViewResolver() {
UrlBasedViewResolver resolver = new UrlBasedViewResolver();
resolver.setPrefix("/WEB-INF/views/");
resolver.setSuffix(".jsp");
// resolver.setContentType("text/html");
resolver.setViewClass(JstlView.class);
return resolver;
}
@Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
@Bean
public MultipartResolver multipartResolver() {
CommonsMultipartResolver resolver = new CommonsMultipartResolver();
// Size in bytes
resolver.setMaxUploadSize(1752300);
return resolver;
}
}
主要类:
@EnableAutoConfiguration
@ComponentScan("es.sfacut")
@EnableJpaRepositories
public class TelocomproMain {
public static void main(String[] args) {
SpringApplication.run(TelocomproMain.class, args);
}
}
Controller :
@RestController
@RequestMapping(value = "/api/")
public class CategoryController {
@RequestMapping(value="test4", method = RequestMethod.GET, produces = "text/plain;charset=UTF-8")
public ModelAndView pageTest4(HttpServletResponse response) {
ModelAndView model = new ModelAndView("elovendo/index");
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
return model;
}
}
应用程序属性:
#View resolver
spring.view.prefix= /WEB-INF/views/
spring.view.suffix= .jsp
不确定我是否遗漏了什么，我会发布你需要的一切。
先感谢您。
最佳答案
您的 Controller 应该是 @Controller不是 @RestController ，否则响应将作为您观察到的字符串返回。
正如评论中已经提到的，您根本不需要自定义配置，您可以查看 Spring boot 提供的示例。团队 https://github.com/spring-projects/spring-boot/tree/master/spring-boot-samples/spring-boot-sample-web-jsp .
关于Spring MVC 将 jsp 作为文本/纯内容类型返回，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/24952507/