基于javaweb的JSP+Servlet校园网上零食超市便利店系统(java+servlet+jsp+mysql)

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

基于javaweb的JSP+Servlet校园网上零食超市便利店系统(java+servlet+jsp+mysql)

前台：
http://localhost:8080/schoolsupermaket/
xm/123456

后台：
http://localhost:8080/schoolsupermaket/admin
admin/123456

	String filename="";
	String note="";
	String shstatus = "通过";
	String istj = "no";
	String savetime = Info.getDateStr();
	String tprice="";
request.setCharacterEncoding("utf-8");
RequestContext  requestContext = new ServletRequestContext(request);
if(FileUpload.isMultipartContent(requestContext)){
   DiskFileItemFactory factory = new DiskFileItemFactory();
   factory.setRepository(new File(request.getRealPath("/upfile/")+"/"));
   ServletFileUpload upload = new ServletFileUpload(factory);
   upload.setSizeMax(100*1024*1024);
   List items = new ArrayList();
     items = upload.parseRequest(request);
     goodname = ((FileItem) items.get(0)).getString();
     goodname = Info.getUTFStr(goodname);
     fid = ((FileItem) items.get(1)).getString();
     fid = Info.getUTFStr(fid);
     sid = ((FileItem) items.get(2)).getString();
     sid = Info.getUTFStr(sid);
     goodpp = ((FileItem) items.get(3)).getString();
     goodpp = Info.getUTFStr(goodpp);
     price = ((FileItem) items.get(4)).getString();
     price = Info.getUTFStr(price);
     note = ((FileItem) items.get(6)).getString();
     note = Info.getUTFStr(note);
		FileItem fileItem = (FileItem) items.get(5);
		if (fileItem.getName() != null && fileItem.getSize() != 0) {
			if (fileItem.getName() != null
					&& fileItem.getSize() != 0) {
				File fullFile = new File(fileItem.getName());
				filename = Info.generalFileName(fullFile.getName());
				File newFile = new File(request
						.getRealPath("/upfile/")
						+ "/" + filename);
				try {
					fileItem.write(newFile);
				} catch (Exception e) {
					e.printStackTrace();
				}
			} else {
			}
		}
	}
dao.commOper("insert into goods (goodno,goodname,fid,sid,price,note,savetime,shstatus,filename,istj,tprice,delstatus,salestatus,goodpp) " +
		"values ('"+goodno+"','"+goodname+"','"+fid+"','"+sid+"','"+price+"','"+note+"','"+savetime+"','通过','"+filename+"','"+istj+"','"+tprice+"','0','在售','"+goodpp+"') ");

} catch (UnsupportedEncodingException e) {
	// TODO Auto-generated catch block
	e.printStackTrace();
}
return str;
}

public static String getGBKStr(String str) throws UnsupportedEncodingException{
 if(str==null){
	 return "";
 }
 return  new String(str.getBytes("ISO-8859-1"),"GBK");
}

public static String getGB2312Str(String str) throws UnsupportedEncodingException{
 if(str==null){
	 return "";
 }
 return  new String(str.getBytes("ISO-8859-1"),"gb2312");
}


/**
 * @param String date
 * @param int day
 * @return
 */
public static String getDay(String date,int day) {
	String b = date.substring(0,10);
	String c = b.substring(0,4);
	String d = b.substring(5,7);
	String f = b.substring(8,10);
	String aa = c+"/"+d+"/"+f;
	String a = "";
	DateFormat dateFormat =  DateFormat.getDateInstance(DateFormat.MEDIUM);
		GregorianCalendar grc=new GregorianCalendar();
		grc.setTime(new Date(aa));
           grc.add(GregorianCalendar.DAY_OF_MONTH,day);
           String resu = dateFormat.format(grc.getTime());
       String t[]= resu.split("-");
       String sesuu = "";
       for(int i=0;i<t.length;i++)
       {
       	if(t[i].length()==1)
       	{
       		t[i]="0"+t[i];
       	}
       	sesuu += t[i]+"-";
       }
       
	return sesuu.substring(0,10);
}

public class Info {
	
	public static String tform(HashMap map)
	{
		if(map.get("isgood")!=null){
			map.remove("note");
		}
    	String jscode = "";
    	try{
    	jscode+="<script type=\"text/javascript\">\n";
    	jscode+="function getPvalue()\n";
    	jscode+="{\n";
    	
    	 Set set = map.entrySet();
    	 Iterator it = set.iterator();
    	 while(it.hasNext())

	request.setAttribute("suc", "");
	go("/admin/sysuseradd.jsp", request, response);
}
//编辑管理员
if(ac.equals("sysuseredit")){
	String id = request.getParameter("id");
	String userpwd = request.getParameter("userpwd");
	String realname = request.getParameter("realname");
	String sex = request.getParameter("sex");
	String idcard = request.getParameter("idcard");
	String tel = request.getParameter("tel");
	String email = request.getParameter("email");
	String addr = request.getParameter("addr");
	dao.commOper("update sysuser set userpwd='"+userpwd+"',realname='"+realname+"',sex='"+sex+"',idcard='"+idcard+"',tel='"+tel+"',email='"+email+"',addr='"+addr+"' where id="+id);
	request.setAttribute("suc", "");
	go("/admin/sysuseredit.jsp?id="+id, request, response);
}
//商品类别新增
if(ac.equals("protypeadd")){
	String typename = request.getParameter("typename");
	String fatherid = request.getParameter("fatherid");
	dao.commOper("insert into protype (typename,fatherid,delstatus) values ('"+typename+"','"+fatherid+"','0') ");
	request.setAttribute("suc", "操作成功!");
	go("/admin/protype.jsp", request, response);
}
//商品类别编辑
if(ac.equals("protypeedit")){
	String id = request.getParameter("id");
	String typename = request.getParameter("typename");
	dao.commOper("update protype set typename='"+typename+"' where id="+id);
	request.setAttribute("suc", "操作成功!");
	go("/admin/protype.jsp?id="+id, request, response);
}
//商品属性新增
if(ac.equals("propertyadd")){
	String propertyname = request.getParameter("propertyname");
	dao.commOper("insert into property (propertyname,delstatus) values ('"+propertyname+"','0') ");
	request.setAttribute("suc", "");
	go("/admin/propertyadd.jsp", request, response);
}
//商品属性编辑
if(ac.equals("propertyedit")){
	String id = request.getParameter("id");
	String propertyname = request.getParameter("propertyname");
	dao.commOper("update property set propertyname='"+propertyname+"' where id="+id);
	request.setAttribute("suc", "");

					" values ('"+username+"','"+userpwd+"','"+email+"','"+realname+"','"+sex+"','"+addr+"','"+idcard+"','"+tel+"','"+delstatus+"','"+savetime+"')");
		request.setAttribute("suc", "操作成功!");
		go("/admin/userlist.jsp", request, response);
}
	
	if(ac.equals("useredit")){
		String id = request.getParameter("id");
		String userpwd = request.getParameter("userpwd");
		String email = request.getParameter("email")==null?"":request.getParameter("email");
		String realname = request.getParameter("realname")==null?"":request.getParameter("realname");
		String sex = request.getParameter("sex")==null?"":request.getParameter("sex");
		String addr = request.getParameter("addr")==null?"":request.getParameter("addr");
		String idcard = request.getParameter("idcard")==null?"":request.getParameter("idcard");
		String tel = request.getParameter("tel")==null?"":request.getParameter("tel");
		String delstatus = "0";
		String savetime = Info.getDateStr();
		dao.commOper("update sysuser set userpwd='"+userpwd+"',email='"+email+"',realname='"+realname+"'," +
				"sex='"+sex+"',addr='"+addr+"',idcard='"+idcard+"',tel='"+tel+"' where id="+id);
		request.setAttribute("suc", "操作成功!");
		go("/admin/userlist.jsp", request, response);
}
	
	if(ac.equals("pwdedit")){
		String oldpwd = request.getParameter("oldpwd");
		String newpwd = request.getParameter("newpwd");
		HashMap oldmap = dao.select("select * from sysuser where id="+admin.get("id")).get(0);
		if(oldpwd.equals(oldmap.get("userpwd"))){
			dao.commOper("update sysuser set userpwd = '"+newpwd+"' where id="+admin.get("id"));
			request.setAttribute("info", "密码修改成功!");
		}else{
			request.setAttribute("info", "旧密码不正确!");
		}
		go("/admin/myaccount.jsp", request, response);
	}
	
	if(ac.equals("aboutedit")){
		String lxr = request.getParameter("lxr");
		String tel = request.getParameter("tel");
		String addr = request.getParameter("addr");
		String note = request.getParameter("note");
		dao.commOper("update about set lxr='"+lxr+"',tel='"+tel+"',addr='"+addr+"',note='"+note+"' where id=1");
		request.setAttribute("suc", "操作成功!");
		go("/admin/aboutedit.jsp", request, response);
	}
	
	if(ac.equals("msgadd")){
		String msg = request.getParameter("msg");

}






//商品购买成功后的评价
if(ac.equals("pj")){
	String goodid = request.getParameter("goodid");
	String memberid = member.get("id").toString();
	String jb = request.getParameter("jb");
	String msg = request.getParameter("msg");
	String savetime = Info.getDateStr();
	HashMap mm = dao.select("select * from goods where id="+goodid).get(0);
	dao.commOper("insert into pj (goodid,goodsaver,memberid,jb,msg,savetime,hf) values " +
			"('"+goodid+"','"+mm.get("saver")+"','"+memberid+"','"+jb+"','"+msg+"','"+savetime+"','') ");
	request.setAttribute("suc", "商品评价成功!");
	go("/mydd.jsp", request, response);
}
//管理员回复评价
if(ac.equals("pjhf")){
	String id = request.getParameter("id");
	String gid = request.getParameter("gid");
	String hf = request.getParameter("hf");
	dao.commOper("update pj set hf='"+hf+"' where id="+id);
	request.setAttribute("suc", "评价回复成功!");
	go("/admin/goodpj.jsp?gid="+gid, request, response);
}


//滚动图片
if(ac.equals("imgadvadd")){
	try {
		String filename="";
	request.setCharacterEncoding("utf-8");
	RequestContext  requestContext = new ServletRequestContext(request);
	if(FileUpload.isMultipartContent(requestContext)){
	   DiskFileItemFactory factory = new DiskFileItemFactory();
	   factory.setRepository(new File(request.getRealPath("/upfile/")+"/"));
	   ServletFileUpload upload = new ServletFileUpload(factory);
	   upload.setSizeMax(100*1024*1024);
	   List items = new ArrayList();
	     items = upload.parseRequest(request);
			FileItem fileItem = (FileItem) items.get(0);
			if (fileItem.getName() != null && fileItem.getSize() != 0) {
				if (fileItem.getName() != null
						&& fileItem.getSize() != 0) {
					File fullFile = new File(fileItem.getName());
					filename = Info.generalFileName(fullFile.getName());
					File newFile = new File(request
							.getRealPath("/upfile/")

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项目链接：
https://javayms.github.io?id=412123280309201dy
https://javayms.pages.dev?id=412123280309201dy