import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.serializer.PropertyFilter;
import com.alibaba.fastjson.serializer.SerializerFeature;
Map<String,Object> map=new HashMap<String, Object>();
map.put("total", maxrow);
map.put("rows", lsus);
//过滤子表的实体集合属性
PropertyFilter propertyFilter=new PropertyFilter() {
public boolean apply(Object arg0, String pname, Object arg2) {
if(pname.equals("emails")){
return false;
}
if(pname.equals("holidaies")){
return false;
}
return true;
}
};
//转为json字符串
String jsonstr=JSONObject.toJSONString(map,propertyFilter,SerializerFeature.DisableCircularReferenceDetect);
<%@ page contentType="text/html; charset=utf-8" language="java" import="java.util.*" pageEncoding="utf-8" errorPage="" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<c:if test="${newus==null }">
<c:redirect url="dologin.jsp"></c:redirect>
</c:if>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link type="text/css" rel="stylesheet" href="css/style.css" />
<title>超市账单管理系统</title>
</head>
<frameset rows="100,*" cols="*" frameborder="no" border="0" framespacing="0">
<frame src="admin_top.jsp" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" />
<frameset cols="200,*" frameborder="no" border="0" framespacing="0">
<frame src="admin_left.jsp" name="leftFrame" scrolling="No" noresize="noresize" id="leftFrame" />
<frame src="admin_bill_list.jsp" name="mainFrame" id="mainFrame" />
</frameset>
</frameset>
<noframes><body>
</body></noframes>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<c:if test="${newus==null }">
<c:redirect url="dologin.jsp"></c:redirect>
</c:if>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<link type="text/css" rel="stylesheet" href="css/style.css" />
</head>
<body>
<div id="header">
<div class="title"></div>
<div class="welcome">欢迎您：${newus.u_name }</div>
</div>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<c:if test="${newus==null }">
<c:redirect url="dologin.jsp"></c:redirect>
</c:if>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<link type="text/css" rel="stylesheet" href="css/style.css" />
</head>
<body class="frame-bd">
<ul class="left-menu">
<li><a href="servlet/OrdersServlet?op=5" target="mainFrame"><img src="images/btn_bill.gif" /></a></li>
<c:if test="${newus.u_level==1 }">
<li><a href="providerAdmin.jsp" target="mainFrame"><img src="images/btn_suppliers.gif" /></a></li>
</c:if>
<li><a href="userAdmin.jsp" target="mainFrame"><img src="images/btn_users.gif" /></a></li>
<li><a href="logout.jsp" target="_parent"><img src="images/btn_exit.gif" /></a></li>
</ul>
</body>
</html>
原文：http://www.cnblogs.com/asoks/p/5414791.html