java处理跨域访问的错误

忘是亡心i 2024-03-24 10:10 38阅读 0赞

![在这里插入图片描述][b479f2d42d00496e89918ab403ca62db.png]  
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![在这里插入图片描述][13914e46dadd4159b1df1338ee3f9e24.png]  
![在这里插入图片描述][a818fa7a006841d48691e5c08c9ed899.png]  
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![在这里插入图片描述][a9d314c93d5146fe82bdcc76c47b207e.png]

package cn.tedu.csmall.product.config;
    
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.web.servlet.config.annotation.CorsRegistry;
    import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
    
    @Slf4j
    @Configuration
    public class WebMvcConfiguration implements WebMvcConfigurer {
        
        @Override
        public void addCorsMappings(CorsRegistry registry) {
        
           registry.addMapping("/**")   // 所有请求路径
                   .allowedHeaders("*")   // 请求头
                   .allowedMethods("*")   // 请求方式
                   .allowCredentials(true)    // 允许凭证
                   .allowedOriginPatterns("*")  // 所有来源
                   .maxAge(3600);  // 有效期
        }
    }

[b479f2d42d00496e89918ab403ca62db.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/24/c5eb923c82104372b991bf0b62801992.png
[4f032576aaac49f9ba88f6e5c51836cf.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/24/0e38b30d238d42d49af8b11283e19611.png
[b65cbb1a7fe84dc49f52e91710efe6ef.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/24/58aa56bdbdc249e097c002e2acc63ab3.png
[13914e46dadd4159b1df1338ee3f9e24.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/24/ce988c9eade64aca93bec766287448f4.png
[a818fa7a006841d48691e5c08c9ed899.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/24/cae51de70df44f10810f0bf6afacc2a0.png
[26357bee1baf4786be5bed9e9743105f.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/24/df8a250d24b840db8ca01f85b6c59f96.png
[a9d314c93d5146fe82bdcc76c47b207e.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/24/0f220e4cc9dd4604b127c97f9e37053a.png