Failed to load resource: the server responded with a status of 404 ()
来源:13-8 前端页面的迁移
晚生后学
2019-03-18
解决了一天搞不定的老师!!求助
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翔仔
2019-03-19
同学好,这个错误比较宽泛,404就是路径没有对上的原因,需要逐步排查
首先请确保你的springboot的index初始化页面能访问,也就是能打印出helloworld,同时原先没有迁移前是ok的
其次,web config里面的mvcconfig得配对
package com.imooc.o2o.config.web; import javax.servlet.ServletException; import org.springframework.beans.BeansException; import org.springframework.beans.factory.annotation.Value; import org.springframework.boot.web.servlet.ServletRegistrationBean; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.web.multipart.commons.CommonsMultipartResolver; import org.springframework.web.servlet.ViewResolver; import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer; import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.config.annotation.InterceptorRegistration; import org.springframework.web.servlet.config.annotation.InterceptorRegistry; import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; import org.springframework.web.servlet.view.InternalResourceViewResolver; import com.google.code.kaptcha.servlet.KaptchaServlet; import com.imooc.o2o.interceptor.shopadmin.ShopLoginInterceptor; import com.imooc.o2o.interceptor.shopadmin.ShopPermissionInterceptor; import com.imooc.o2o.interceptor.superadmin.SuperAdminLoginInterceptor; /** * 开启Mvc,自动注入spring容器。 WebMvcConfigurerAdapter:配置视图解析器 * 当一个类实现了这个接口(ApplicationContextAware)之后,这个类就可以方便获得ApplicationContext中的所有bean * * @author xiangze * */ @Configuration // 等价于<mvc:annotation-driven/> @EnableWebMvc public class MvcConfiguration extends WebMvcConfigurerAdapter implements ApplicationContextAware { // Spring容器 private ApplicationContext applicationContext; @Override public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { this.applicationContext = applicationContext; } /** * 静态资源配置 * * @param registry */ @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { // registry.addResourceHandler("/resources/**").addResourceLocations("classpath:/resources/"); registry.addResourceHandler("/upload/**").addResourceLocations("file:/Users/baidu/work/image/upload/"); } /** * 定义默认的请求处理器 */ @Override public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) { configurer.enable(); } /** * 创建viewResolver * * @return */ @Bean(name = "viewResolver") public ViewResolver createViewResolver() { InternalResourceViewResolver viewResolver = new InternalResourceViewResolver(); // 设置Spring 容器 viewResolver.setApplicationContext(this.applicationContext); // 取消缓存 viewResolver.setCache(false); // 设置解析的前缀 viewResolver.setPrefix("/WEB-INF/html/"); // 设置试图解析的后缀 viewResolver.setSuffix(".html"); return viewResolver; } /** * 文件上传解析器 * * @return */ @Bean(name = "multipartResolver") public CommonsMultipartResolver createMultipartResolver() { CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(); multipartResolver.setDefaultEncoding("utf-8"); // 1024 * 1024 * 20 = 20M multipartResolver.setMaxUploadSize(20971520); multipartResolver.setMaxInMemorySize(20971520); return multipartResolver; } @Value("${kaptcha.border}") private String border; @Value("${kaptcha.textproducer.font.color}") private String fcolor; @Value("${kaptcha.image.width}") private String width; @Value("${kaptcha.textproducer.char.string}") private String cString; @Value("${kaptcha.image.height}") private String height; @Value("${kaptcha.textproducer.font.size}") private String fsize; @Value("${kaptcha.noise.color}") private String nColor; @Value("${kaptcha.textproducer.char.length}") private String clength; @Value("${kaptcha.textproducer.font.names}") private String fnames; /** * 由于web.xml不生效了,需要在这里配置Kaptcha验证码Servlet */ @Bean public ServletRegistrationBean servletRegistrationBean() throws ServletException { ServletRegistrationBean servlet = new ServletRegistrationBean(new KaptchaServlet(), "/Kaptcha"); servlet.addInitParameter("kaptcha.border", border);// 无边框 servlet.addInitParameter("kaptcha.textproducer.font.color", fcolor); // 字体颜色 servlet.addInitParameter("kaptcha.image.width", width);// 图片宽度 servlet.addInitParameter("kaptcha.textproducer.char.string", cString);// 使用哪些字符生成验证码 servlet.addInitParameter("kaptcha.image.height", height);// 图片高度 servlet.addInitParameter("kaptcha.textproducer.font.size", fsize);// 字体大小 servlet.addInitParameter("kaptcha.noise.color", nColor);// 干扰线的颜色 servlet.addInitParameter("kaptcha.textproducer.char.length", clength);// 字符个数 servlet.addInitParameter("kaptcha.textproducer.font.names", fnames);// 字体 return servlet; } }
此外,还可以跟最终源码比对一下,这里只能说跟着视频一步步来是没有问题的,肯定还是哪里没有配置好,可以试试 http://localhost:8080/o2o/shopadmin/shoplist
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