用jQuery的getJSON传递数据

来源：互联网发布：python snmp 编程编辑：程序博客网时间：2024/06/06 11:00

jar：

commons-beanutils-1.7.0.jar commons-collections-3.2.jar commons-lang-2.3.jar commons-logging-1.1.jar ezmorph-1.0.4.jar json-lib-2.2.2-jdk15.jar下载地址：http://www.docjar.com/

<%@ page language="java" pageEncoding="utf-8"%><html><head><title>jQuery&json</title><mce:style type="text/css"></mce:style><mce:script type="text/javascript" src="./jquery.js" mce_src="jquery.js"></mce:script><mce:script type="text/javascript"></mce:script></head><body> <div id="div1"></div> <input type="button" id="ajax1" value="showme"></body></html>

package json.servlet;import java.io.PrintWriter;import java.util.ArrayList;import java.util.List;import javax.servlet.ServletRequest;import javax.servlet.ServletResponse;import javax.servlet.http.HttpServlet;import json.bean.JsonBean;import net.sf.json.JSONArray;import net.sf.json.JSONObject;public class JObject extends HttpServlet {public void service(ServletRequest request, ServletResponse response) {response.setContentType("text/html; charset=utf-8");System.out.println("JObject");String param1 = request.getParameter("param1");String param2 = request.getParameter("param2");String param3 = request.getParameter("param3");String param4 = request.getParameter("param4");try {param1 = new String(param1.getBytes("iso-8859-1"), "utf-8");param2 = new String(param2.getBytes("iso-8859-1"), "utf-8");param3 = new String(param3.getBytes("iso-8859-1"), "utf-8");param4 = new String(param4.getBytes("iso-8859-1"), "utf-8");} catch (Exception e) {}System.out.println("param1 = " + param1);System.out.println("param2 = " + param2);/** * JSONObject */JSONObject jsonObject = new JSONObject();jsonObject.put("param1", param1);jsonObject.put("param2", param2);jsonObject.put("param3", param3);jsonObject.put("param4", param4);/*Map map = new HashMap();map.put("name", "json");map.put("bool", Boolean.TRUE);map.put("int", new Integer(1));map.put("arr", new String[] { "a", "b" });map.put("func", "function(i){ return this.arr[i]; }");JSONObject jsonObject = JSONObject.fromObject(map);*//*JsonBean bean = new JsonBean();bean.setCol(1);bean.setRow(2);bean.setValue("3");JSONObject jsonObject = JSONObject.fromObject(bean);*//** * JSONArray *//*array1List list = new ArrayList();list.add("first");list.add("second");list.add("third");list.add("第四");JSONArray jsonArray = JSONArray.fromObject(list);*//*array2boolean[] boolArray = new boolean[] { true, false, true };JSONArray jsonArray = JSONArray.fromObject(boolArray);*//*array3JSONArray jsonArray = JSONArray.fromObject("['json','is','easy']" );*//*array4List<JsonBean> list2 = new ArrayList<JsonBean>();JsonBean jb1 = new JsonBean();jb1.setCol(1);jb1.setRow(1);jb1.setValue("xx");JsonBean jb2 = new JsonBean();jb2.setCol(2);jb2.setRow(2);jb2.setValue("yy");list2.add(jb1);list2.add(jb2);JSONArray jsonArray = JSONArray.fromObject(list2);*/try {PrintWriter out = response.getWriter();out.println(jsonObject.toString());//object//out.println(jsonArray.toString());//arrayout.flush();out.close();} catch (Exception e) {e.printStackTrace();}}}