highcharts獲取json數(shù)據(jù)展現(xiàn)

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1、實(shí)際上很多時(shí)候圖表展現(xiàn)的數(shù)據(jù)都是從服務(wù)器端獲取，現(xiàn)在來(lái)做一個(gè)簡(jiǎn)單的異步獲取json數(shù)據(jù)的例子?！　》?wù)器端用Servlet3.0實(shí)現(xiàn)，JSP頁(yè)面通過(guò)jquery異步請(qǐng)求json數(shù)據(jù)提供給Highcharts展現(xiàn)?！　?、用一個(gè)實(shí)體類封裝要展現(xiàn)的信息packagecn.luxh.app.entity;publicclassBrowserShare{//瀏覽器名稱privateStringname;//份額privatefloatshare;publicBrowserShare(Stringname,floatshare){super();this.n

2、ame=name;this.share=share;}publicfloatgetShare(){returnshare;}publicvoidsetShare(floatshare){this.share=share;}publicStringgetName(){returnname;}publicvoidsetName(Stringname){this.name=name;}}　　2、處理請(qǐng)求的Servletpackagecn.luxh.app.servlet;importjava.io.IOException;importjava.io.Pr

3、intWriter;importjava.util.ArrayList;importjava.util.List;importjavax.servlet.ServletException;importjavax.servlet.annotation.WebServlet;importjavax.servlet.http.HttpServlet;importjavax.servlet.http.HttpServletRequest;importjavax.servlet.http.HttpServletResponse;importcom.googl

4、e.gson.Gson;importcn.luxh.app.entity.BrowserShare;@WebServlet(name="dataServlet",value="/servlet/dataServlet")publicclassDataServletextendsHttpServlet{publicvoiddoGet(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException{request.setCharacterE

5、ncoding("UTF-8");response.setCharacterEncoding("UTF-8");response.setContentType("application/json;charset=utf-8");ListresultList=getData();Gsongson=newGson();Stringresult=gson.toJson(resultList);//轉(zhuǎn)成json數(shù)據(jù)PrintWriterout=response.getWriter();out.write(result);out.

6、flush();out.close();}/***獲取數(shù)據(jù)*/privateListgetData(){ListresultList=newArrayList();resultList.add(newBrowserShare("Chrome",18.55F));resultList.add(newBrowserShare("Firefoc",19.99F));resultList.add(newBrowserShare("IE",54.13F));resultLis

7、t.add(newBrowserShare("Oher",0.49F));resultList.add(newBrowserShare("Oprea",1.63F));resultList.add(newBrowserShare("Safari",5.21F));returnresultList;}}　　3、JSP頁(yè)面<%@pagelanguage="java"pageEncoding="UTF-8"%>

8、l;charset=utf-8">