前面省略N，直接上傳然後報錯程式碼截圖:

nested exception is org.springframework.web.multipart.MultipartException: Could not parse multipart servlet request; nested exception is java.lang.IllegalStateException: org.apache.tomcat.util.http.fileupload.FileUploadBase$FileSizeLimitExceededException: The field upfile exceeds its maximum permitted size of 1048576 bytes.] with root cause
org.apache.tomcat.util.http.fileupload.FileUploadBase$FileSizeLimitExceededException: The field upfile exceeds its maximum permitted size of 1048576 bytes.
at org.apache.tomcat.util.http.fileupload.FileUploadBase$FileItemIteratorImpl$FileItemStreamImpl$1.raiseError(FileUploadBase.java:633)
 

我這裡就擷取 幾個重要的報錯資訊了。

解決辦法如下  在springboot中新增 配置資訊

package mview.sys.main.config;

import javax.servlet.MultipartConfigElement;
import javax.servlet.Servlet;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.web.MultipartProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.multipart.MultipartResolver;
import org.springframework.web.multipart.support.StandardServletMultipartResolver;
import org.springframework.web.servlet.DispatcherServlet;

@Configuration
@ConditionalOnClass({ Servlet.class, StandardServletMultipartResolver.class, MultipartConfigElement.class })
@ConditionalOnProperty(prefix = "spring.http.multipart", name = "enabled", matchIfMissing = true)
@EnableConfigurationProperties(MultipartProperties.class)
public class MultipartAutoConfiguration {
	@Autowired
	private MultipartProperties multipartProperties;

	// public MultipartAutoConfiguration(MultipartProperties
	// multipartProperties) {
	// this.multipartProperties = multipartProperties;
	// }

	@Bean
	@ConditionalOnMissingBean
	public MultipartConfigElement multipartConfigElement() {
		this.multipartProperties.setMaxFileSize("-1");
		return this.multipartProperties.createMultipartConfig();
	}

	@Bean(name = DispatcherServlet.MULTIPART_RESOLVER_BEAN_NAME)
	@ConditionalOnMissingBean(MultipartResolver.class)
	public StandardServletMultipartResolver multipartResolver() {
		StandardServletMultipartResolver multipartResolver = new StandardServletMultipartResolver();
		multipartResolver.setResolveLazily(false);
		return multipartResolver;
	}
}
 

application.properties

multipart.maxFileSize=10Mb
multipart.maxRequestSize=10Mb