嗨,我使用了Initializer,它工作得很好。
public class Initializer implements WebApplicationInitializer {
public void onStartup(ServletContext servletContext)
throws ServletException {
AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
ctx.register(WebAppConfig.class);
servletContext.addListener(new ContextLoaderListener(ctx));
ctx.setServletContext(servletContext);
Dynamic servlet = servletContext.addServlet("dispatcher", new DispatcherServlet(ctx));
servlet.addMapping("/");
servlet.setLoadOnStartup(1);
FilterRegistration.Dynamic filterRegistration = servletContext.addFilter("encodingFilter",
new CharacterEncodingFilter());
filterRegistration.setInitParameter("encoding", "UTF-8");
filterRegistration.setInitParameter("forceEncoding", "true");
filterRegistration.addMappingForUrlPatterns(null,true,"/*");
}
然后我将其更改为另一个:
public class Initializer extends AbstractAnnotationConfigDispatcherServletInitializer {
@Override
protected String[] getServletMappings() {
return new String[]{"/"};
}
@Override
protected Class<?>[] getRootConfigClasses() {
return new Class<?>[]{WebAppConfig.class};
}
@Override
protected Class<?>[] getServletConfigClasses() {
return new Class<?>[]{WebAppConfig.class};
}
}
但是我不能给它添加这个方法:
public void onStartup(ServletContext servletContext) {
FilterRegistration.Dynamic filterRegistration = servletContext.addFilter("encodingFilter",
new CharacterEncodingFilter());
filterRegistration.setInitParameter("encoding", "UTF-8");
filterRegistration.setInitParameter("forceEncoding", "true");
filterRegistration.addMappingForUrlPatterns(null, true, "/*");
}
因为应用程序失败了。我做错了什么?如何将此过滤器添加到新的初始化器以强制其工作?谢谢。
发布于 2019-05-29 03:29:26
@Override
protected FilterRegistration.Dynamic registerServletFilter(ServletContext servletContext, Filter filter) {
FilterRegistration.Dynamic filterRegistration = servletContext.addFilter("encodingFilter",
new CharacterEncodingFilter());
filterRegistration.setInitParameter("encoding", "UTF-8");
filterRegistration.setInitParameter("forceEncoding", "true");
filterRegistration.addMappingForUrlPatterns(null, true, "/*");
return super.registerServletFilter(servletContext, filter);
}
https://stackoverflow.com/questions/32210672
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