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這是我的JSP文件...如何從ajax中的jsp中將列表作爲JSON對象返回?
<%@page import="java.util.*,java.util.List,java.util.ArrayList"%>
<%@ page import="java.io.*,java.sql.*,java.text.*,pis.util.*"%>
<%@ page contentType="application/json; charset=UTF-8" pageEncoding="UTF-8"%>
<%
response.setContentType("application/json");
String LedgerNo=request.getParameter("LedgerNo").trim();
ResultSet rs = dm.getData("SELECT SaleNo , DisplayPrefix ,DisplayNo FROM sale
where CustomerName like '"+ LedgerNo +"'");
List<Map<String, Object>> menuList = new ArrayList<Map<String, Object>>();
while (rs.next()) {
System.out.println("SaleNo.."+rs.getInt(1));
System.out.println("DisplayNo.."+rs.getString(2) +" "+ rs.getString(3));
Map<String, Object> menuMap = new HashMap<String, Object>();
menuMap.put("SaleNo",rs.getInt(1));
menuMap.put("DisplayNo",rs.getString(3));
menuList.add(menuMap);
}
System.out.println("menuList.."+menuList.toString());
out.println(menuList);
rs.close();
%>
我得到了我的列表,...
[{SaleNo=1, DisplayNo=K 1}, {SaleNo=2, DisplayNo=KC 1}]
我想回到這個列表作爲JSON。 但它返回錯誤,我怎麼能做到這一點?
喔yes..that意味着我必須轉換列表JSON類型.. – 2014-09-24 09:51:39