用jQuery的getJSON传递数据

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jQuery json CSS Bean Servlet

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 */ /* array1 List list = new ArrayList(); list.add("first"); list.add("second"); list.add("third"); list.add("第四"); JSONArray jsonArray = JSONArray.fromObject(list); */ /* array2 boolean[] boolArray = new boolean[] { true, false, true }; JSONArray jsonArray = JSONArray.fromObject(boolArray); */ /* array3 JSONArray jsonArray = JSONArray.fromObject("['json','is','easy']" ); */ /* array4 List<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()); //array out.flush(); out.close(); } catch (Exception e) { e.printStackTrace(); } } }

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