使用springboot2.0实现上传文件MultipartFile报空,找了一下午没有解决问题,最后思考是否是拦截器被拦截了,然后去掉拦截器配置,再次测试获取到了文件,确认拦截器问题后上网百度解决问题方法,今天早上找到解决办法:
添加配置类
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.multipart.MultipartResolver;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
@Configuration
public class UploadConfig {
//显示声明CommonsMultipartResolver为mutipartResolver
@Bean(name = "multipartResolver")
public MultipartResolver multipartResolver() {
CommonsMultipartResolver resolver = new CommonsMultipartResolver();
resolver.setDefaultEncoding("UTF-8");
//resolveLazily属性启用是为了推迟文件解析,以在在UploadAction中捕获文件大小异常
resolver.setResolveLazily(true);
resolver.setMaxInMemorySize(40960);
//上传文件大小 5M 5*1024*1024
resolver.setMaxUploadSize(5 * 1024 * 1024);
return resolver;
}
然后在sp