AdminServive.java
[code="java"] NewsDAO dao = new NewsDAO();
JSONObject _str = dao.Query();
response.getWriter().print(_str);
System.out.println(_str);[/code] [color=red]//为什么打印只有一条啊[/color]
NewsDAO.java
[code="java"]public static JSONObject Query(){
String sql = "select t.* from news t ";
JSONObject json = new JSONObject();
try {
Connection conn = DB_connect.createConnection();
ps = conn.prepareStatement(sql);
rs = ps.executeQuery();
while(rs.next()){
json.put("title", rs.getString("title"));
json.put("id", rs.getInt("id"));
// System.out.print(json.toStringcolor=red);//有很多条[/color] }
}
catch(Exception e ) {
e.printStackTrace();
}
return json;
}[/code]