近期在做springboot +themaleaf项目中遇到首页css样式不加载情况，后来发现是注册拦截器时没有加入css样式，下边是最开始代码
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor( new LoginHandleInterceptor()).addPathPatterns("/**")
.excludePathPatterns("/index.html", // 排除掉首页请求
"/", // 排除掉首页请求
) ;
//registry.addInterceptor(new HandlerInterceptor()).
}第一次访问登录页面的时候，对应的js css呗拦截器拦截，就没有加载，只需要把对应的css，jquery等放入到拦截器中就可以了
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor( new LoginHandleInterceptor()).addPathPatterns("/**")
.excludePathPatterns("/index.html", // 排除掉首页请求
"/", // 排除掉首页请求
"/user/login",
"/asserts/css/*.css",
"/asserts/img/*.svg",
"/asserts/js/*.js",
"/webjars/bootstrap/4.1.1/css/*.css",
"/mancenter/*",
"/error", "/asserts/lib/jquery/*","/asserts/lib/*.js") ;
//registry.addInterceptor(new HandlerInterceptor()).
}1.访问themaleaf页面报错
Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.Mon Jun 24 11:08:43 CST 2019
There was an unexpected error (type=Not Found, status=404).
No message available
错误1：
调试时加入了WebMvcConfig类
package com.feilong.Reptile.config;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
/**
* 配置静态资源映射
*
* @author sunziwen
* @version 1.0
* @date 2018-11-16 14:57
**/
@Component
public class WebMvcConfig implements WebMvcConfigurer {
/**
* 添加静态资源文件，外部可以直接访问地址
*
* @param registry
*/
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/");
}
}删除这个类后还是报错，猜测可能是包路径问题，重新建立个新项目，将旧项目转移后，没有再报错。
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