若依：設置跨域配置位置和圖片中框出代碼

 強調：除了以上代碼，還要確認訪問路徑為 anon

 ResourcesConfig.java

package com.ruoyi.framework.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.*;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.framework.interceptor.RepeatSubmitInterceptor;

/**
 * 通用配置
 *
 * @author ruoyi
 */
@Configuration
public class ResourcesConfig implements WebMvcConfigurer {
    /**
     * 首頁地址
     */
    @Value("${shiro.user.indexUrl}")
    private String indexUrl;

    @Autowired
    private RepeatSubmitInterceptor repeatSubmitInterceptor;

    /**
     * 默認首頁的設置，當輸入域名是可以自動跳轉到默認指定的網頁
     */
    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("forward:" + indexUrl);
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        /** 本地文件上傳路徑 */
        registry.addResourceHandler(Constants.RESOURCE_PREFIX + "/**").addResourceLocations("file:" + RuoYiConfig.getProfile() + "/");

        /** swagger配置 */
        registry.addResourceHandler("swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

    /**
     * 自定義攔截規則
     */
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(repeatSubmitInterceptor).addPathPatterns("/**");

    }

    /**
     * zhangxuDev 配置跨域問題
     * @param registry
     */
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        // 設置允許跨域的路徑
        registry.addMapping("/api/**")
                // 設置允許跨域請求的域名
                .allowedOrigins("*")
                // 是否允許證書
                .allowCredentials(true)
                // 設置允許的方法
                .allowedMethods("GET", "POST", "DELETE", "PUT")
                // 設置允許的header屬性
                .allowedHeaders("*")
                // 跨域允許時間
                .maxAge(3600);
    }

}