springmvc上传文件方法及注意事项

本文基于注解的配置，敬请留意  基于注解整合

1. org.springframework.web.multipart.commons.CommonsMultipartResolver （基于commons-fileupload.jar）
2. org.springframework.web.multipart.support.StandardServletMultipartResolver （基于servlet3.0+）

 

二。配置方式基于commons-fileupload.jar

1）在先前的类DispacherConfig里添加如下代码：

 1 /**
 2      * 此处注意bean的名字一定起名为multipartResolver
 3      * @return
 4      */
 5     @Bean
 6     public CommonsMultipartResolver multipartResolver() {
 7         CommonsMultipartResolver commonsMultipartResolver = new CommonsMultipartResolver();
 8         commonsMultipartResolver.setDefaultEncoding(propertyConfig.getUploadDefaultEncoding());
 9         commonsMultipartResolver.setMaxUploadSize(1024 * 1024 * propertyConfig.getMaxUploadSize());//字节为单位
10         return commonsMultipartResolver;
11     }

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