Java Map 到 前台json串
JSONArray j = new JSONArray();
Set<String> set=params.keySet();
if(null!=set&&!set.isEmpty()){
Map<String, String> jsonMap = new HashMap<String, String>();
for (Iterator<String> iterator = set.iterator(); iterator.hasNext();) {
String key = (String) iterator.next();
jsonMap.put(key, params.get(key));
}
j.add(jsonMap);
}
System.out.println("转换后的JSON串为:"+((JSON)j).toString());
return ((JSON)j).toString();
JSP
<%@ page import="net.sf.json.*"%>
<%@ page import="java.io.Serializable"%>
json=eval('<%=toJson(map)%>');