数据库存储blob图片文件,前端打包下载 数据库图片文件实体类 package com.cmrh.mspserver.pos.dto; import java.io.Serializable; import org.springframework.format.annotation.DateTimeFormat; public class MspPosImage implements Serializable { private static final long serialVersionUI
jsp页面js代码: function downloadAttached(){ var id = []; id.push(infoid); var options = {}; options.action = "${pageContext.request.contextPath}/DocumentController/downloadattached"; options.argname1="id"; options.argvalue1=id.join(','); f