• highcharts插件使用总结和开发中遇到的问题及解决办法


    这里使用的highchart是2014-01-09从官网下载的版本,版本号是3.0.8,

    当过了几天后,发现版本号变成了3.0.9,不由得的感叹highchart的版本更新之快。

    在jsp中使用highchart的步骤:

    第一步:引入highchart必需的js文件

    <! -- jquery的js要在引入highchart插件的js之前引入 --> 
    <script 
    src="<%=basePath%>js/Highcharts3.0.8/jquery-1.8.3.js">
    </script>
    <!-- 实现highchart核心功能的js -->
    <script 
    src="<%=basePath%>js/Highcharts3.0.8/highcharts.js">
    </script>
    <!--
    导出和打印相关的js ,因为这里修改过的exporting.js包含中文,使用
    charset="UTF-8" 进行指定
    -->
    <script 
    src="<%=basePath%>js/Highcharts3.0.8/exporting.js" charset="UTF-8">
    </script>
    View Code

    开发过程遇到的问题:

    1)  Js的引入顺序错了,导致highchart的图表出不来,

    Highchart插件中用到了jquery,当时jquery-1.8.3.js引入顺序放到了highchart插件js的下面,

    导致当加载highchart插件用到的js时,找不到jquery的js,报出某个js的函数不合法

    因此 jqueryjs要在引入highchartjs之前引入

    2)  exporting.js 打印下载的js中,提示的都是英文,

    要显示中文,这里采用的方法是修改exporting.js

    p(s.lang,{printChart:"打印报表",downloadPNG:"下载为PNG格式图片",downloadJPEG:"下载为JPEG格式图片",

    downloadPDF:"下载为PDF格式文档",downloadSVG:"下载为SVG格式矢量图片",contextButtonTitle:"打印 下载"});

    修改后的效果:

                        

    当修改了exporting.js后,当保存时,没法保存js,提示编码问题

    解决方法是:

    window>>preferences>>general>>content types 
    在右边的窗口中打开列表,选中"JavaScript",在下面的"default encoding"右边的输入框中输入"utf-8",再点"update"按钮

    单击打印下载时,显示的下拉框在大部分的ie浏览器中显示的很难看,火狐下正常

    原因: 上面的下拉框显示很长,是由于hr标签的原因,导致hr的宽度按照 100%进行了显示

    解决方法:

    在显示highchart图标的jsp页面中,添加hr的样式

    <style>

       hr{height: 0;margin: 0;padding: 0; 0;}

    </style>

    第二步:组装添加显示highchart图表所用的数据

    显示highchart图标的js代码
      $(function () {
        //填充数据使用,使用jquery来获取隐藏域的值
        var xAxisTimeInfo = $("#xAxisTime").val();
        var totalRecordInfo = $("#totalRecord").val();
        var totalRecordHYInfo = $("#totalRecordHY").val();
        var totalRecordLJInfo = $("#totalRecordLJ").val();
    
            $('#container').highcharts({
                chart: {
                    type: 'spline'
                },
                title: {
                    text: '每月订单数量统计'
                },
                subtitle: {
                    text: ''
                },
            exporting:{ 
                    filename:"订单统计", //下载显示的文件名称
                    sourceWidth: 1000,     //下载图片的宽度
                    sourceHeight: 550,  //下载图片的高度
     //指定下载图片的url,这里使用的本地的java代码,没有使用官网的代码(那//样会受到highchart官网的网络限制,这里的java代码是结合的struts1来//实现的,在java代码解决了导出图片中中文乱码的问题以及下载文件名乱码//的问题,详见java代码中说明)               url:'<%=basePath%>shop/newOrder/orderPre/exportImage.do'//这里是一个重点哦,也可以修改exporting.js中对应的url  
                },
                /**
                 * 去掉图标的右下角HightCharts.com 的图标
                 */
           credits: {
                 enabled : false, //设置false就不会显示右下角的官网链接
    //右下角连接的显示位置         
    position:{ align: 'right',x: -8, verticalAlign: 'bottom',y: -390 },
    //右下角链接的地址href:'<%=basePath%>shop/newOrder/orderPre/orderSearch4HighCharts.do?type=1',
    text:'区域图表',//右下角连接的名字
            style : {cursor:'pointer',color:'#909090',fontSize:'20px'}
               },
                xAxis: {
                    categories: eval(xAxisTimeInfo)
    
    
                },
                yAxis: {
                    min: 0,
                    title: {
                        text: '单位  (个)'
                    }
                },
    //鼠标旁边的提示框的样式
    //1. point.y:.0f 提示框中显示的y轴单位的小数点位数
    //2. style="160px;height:50px" 提示框的宽高
    //3. point.key 坐标的x轴的值
                tooltip: {
                    headerFormat: '<span style="font-size:20px;">{point.key}</span><table style="160px;height:50px">',
                    pointFormat: '<tr><td style="color:{series.color};padding:0">{series.name}: </td>' +
                        '<td style="padding:0"><b>{point.y:.0f}  </b></td></tr>',
                    footerFormat: '</table>',
                    shared: true,
                    useHTML: true
            
                },
                plotOptions: {
                    column: {
                        pointPadding: 0.2,
                        borderWidth: 0
                    }
                },
                
    //图例的显示名称和数据
    //这里使用了eval函数处理一下,使用jquery获取到的隐藏域的值
    //否则不会显示
    series: [{
                    name: '裸机数量',
                    data: eval(totalRecordLJInfo)
        
                }, {
                    name: '订单总量',
                    data: eval(totalRecordInfo)
        
                },  {
                    name: '合约机数量',
                    data: eval(totalRecordHYInfo)
        
                }]
            });
    }); 
    View Code

    基本的highchart显示的数据格式是:

    X轴数据信息

    图例和显示数据的格式:

    因此我们要做的就是根据需求,在java后台组装好上面的数据,填充到highchart的js代码中即可

    导出的Java后台代码    (使用的是struts1)没有在struts的配置文件中配置,直接是在jspurl请求

    struts1版的结合highchart导出图片的java代码

    使用highchart调用本地的java类导出图片时,用到的jar

    batik-all-1.6.jar  fop.jar     xerces-2.9.0.jar

    /**
         * 配合highchart插件导出图片
         * @param mapping
         * @param form
         * @param request
         * @param response
         * @return
         * @throws Exception
         */
        public ActionForward exportImage (ActionMapping mapping, ActionForm form,
                HttpServletRequest request, HttpServletResponse response)
                throws Exception {
            log.info("图片导出................");
            request.setCharacterEncoding("gb2312");//设置编码,解决乱码问题
            String type = request.getParameter("type");
            String svg = request.getParameter("svg");
            response.setCharacterEncoding("gb2312");//设置编码,解决乱码问题
            String filename = request.getParameter("filename");
            filename = filename==null?"chart":filename;
            ServletOutputStream out = response.getOutputStream();
            log.info("type            :"+type+"                    filename:"+filename);
            if (null != type && null != svg) {
                svg = svg.replaceAll(":rect", "rect");
                String ext = "";
                Transcoder t = null;
                if (type.equals("image/png")) {
                    ext = "png";
                    t = new PNGTranscoder();
                } else if (type.equals("image/jpeg")) {
                    ext = "jpg";
                    t = new JPEGTranscoder();
                }else if (type.equals("application/pdf")) {  
                    ext = "pdf";  
                    t =(Transcoder) new PDFTranscoder();  
                }else if(type.equals("image/svg+xml")) 
                    ext = "svg";   
    //解决下载文件的文件名的乱码
                response.addHeader("Content-Disposition", "attachment; filename="+ new String (filename.getBytes("gb2312"),"iso-8859-1") + "."+ext);
                response.addHeader("Content-Type", type);
                
                if (null != t) {
                    TranscoderInput input = new TranscoderInput(new StringReader(svg));
                    TranscoderOutput output = new TranscoderOutput(out);
                    
                    try {
                        t.transcode(input, output);
                    } catch (TranscoderException e) {
                        out.print("Problem transcoding stream. See the web logs for more details.");
                        e.printStackTrace();
                    }
                } else if (ext.equals("svg")) {
                    OutputStreamWriter writer = new OutputStreamWriter(out, "UTF-8");
                    writer.append(svg);
                    writer.close();
                } else 
                    out.print("Invalid type: " + type);
            } else {
                response.addHeader("Content-Type", "text/html");
                out.println("Usage:
    	Parameter [svg]: The DOM Element to be converted." +
                        "
    	Parameter [type]: The destination MIME type for the elment to be transcoded.");
            }
            out.flush();
            out.close();
              
            return null;  
      
    } 
    View Code

    使用highchart生成报表信息的部分后台java代码

    开发中遇到的问题

    1. 在开发中使用了webservice,在dao层的java代码中使用了Map,但是Map在webservice中并不支持,
    2. 解决方法就是,在dao层的java代码中把Map中的数据使用json-lib插件转换成了Json
    3. 然后在action层中再使用json-lib插件转换成Map

    java代码片段

    Dao层的代码片段,查询数据封装成map,然后把map数据放到List中,然后在把list放到map中,调用json-lib插件转换成json数据
    
    List ltHY = findSQL(dto, sqlHY.toString(), list.toArray());
    List adminSqlTotalHY = new ArrayList();
    
    //使用的LinkedHashMap,放到map中的数据使用顺序的            
    Map<String ,String> totalRecordHYMap = new LinkedHashMap<String ,String>();
    for (int i = 0; ltHY!=null && i < ltHY.size(); i++) {
        Object[] obj = (Object[]) ltHY.get(i);
                    totalRecordHYMap.put(obj[0]!=null?String.valueOf(obj[0]):""    ,obj[1]!=null? String.valueOf(obj[1]):"");
    }
        
    adminSqlTotalHY.add(totalRecordHYMap);
                 
                
    //保存到map中
    Map recordInfo = new LinkedHashMap();
    recordInfo.put("Record_total", adminSqlTotalList);
    recordInfo.put("Record_LJ", adminSqlTotalLJ);
    recordInfo.put("Record_HY", adminSqlTotalHY);
                
    //把map数据转化为json数据
    JSONObject jsonObjectFromMap =JSONObject.fromObject(recordInfo); 
                
    dto.setAddress(jsonObjectFromMap.toString()); 
    View Code
    action层代码
    /**
         * 1. 构造HighChart的x轴用到的每月时间数据信息 (月份不足两位的没有补0,直接放在request中)<P/>
         * 2. 返回值map中月份不足2位的,进行了补0,该map在构造每月订单数量统计时使用
         * @throws ParseException
         */
        private Map extractHighChartXAxisInfo(HttpServletRequest request) throws ParseException {
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
            Calendar curr = Calendar.getInstance();
            Calendar curr2 = curr;
            Date beginPayDate = curr.getTime(); // 传进来的当前时间
            curr2.add(Calendar.YEAR, -1);
            curr2.add(Calendar.MONTH, 1);
            Date endPayDate = curr2.getTime(); // 上一年的时间
    
            GregorianCalendar[] ga=getDate(simpleDateFormat.format(endPayDate), simpleDateFormat.format(beginPayDate));
            //循环数组
            StringBuffer stringBuffer = new StringBuffer();
          
            Map initMap = new LinkedHashMap();
            stringBuffer.append("[");
            for(GregorianCalendar e:ga)
            {
                stringBuffer.append("'"+modifyTimeAnthor(e)+"',");
                initMap.put(modifyTime(e), 0);
            }
            //当ga数组中有数据时才删除末尾的   逗号
            if(stringBuffer.length()>1){
                stringBuffer.deleteCharAt(stringBuffer.length()-1);
            }
            stringBuffer.append("]");
            log.info("x轴用到的每月时间数据信息 (月份不足两位的没有补0)      "+stringBuffer.toString());
            request.setAttribute("highChartXAxisInfo", stringBuffer.toString());
            return initMap;
        }
    View Code
    /**
         * 
         * @param startTime
         * @param endTime
         * @return 返回开始时间和结束时间之间的每一个月
    *  如:2013.1 2013.2 2013.3 2013.4 2013.5 2013.6 2013.7
         * @throws ParseException
         */
        public static GregorianCalendar[]  getDate(String startTime,String endTime) throws ParseException
        {
            Vector<GregorianCalendar> v=new Vector<GregorianCalendar>();
            SimpleDateFormat  sdf=new SimpleDateFormat("yyyy-MM");
            GregorianCalendar gc1=new GregorianCalendar(),gc2=new GregorianCalendar();
            gc1.setTime(sdf.parse(startTime));
            gc2.setTime(sdf.parse(endTime));
            do{
                GregorianCalendar gc3=(GregorianCalendar)gc1.clone();
                v.add(gc3);
                gc1.add(Calendar.MONTH, 1);             
             }while(!gc1.after(gc2));
            return v.toArray(new GregorianCalendar[v.size()]);
        }    
        
        //按格式获取时间,月份不足两位的补0
        public static String modifyTime(GregorianCalendar e){
                String curdate = e.get(Calendar.YEAR)+"";
               if((e.get(Calendar.MONTH)+1)<10){
                 curdate = curdate+".0" +(e.get(Calendar.MONTH)+1);
             }else {
                 curdate = curdate+"."+(e.get(Calendar.MONTH)+1);
             }
               return curdate;
       }
        
        
        //按格式获取时间,月份不足两位的没有补0
        public static String modifyTimeAnthor(GregorianCalendar e){
                String curdate = e.get(Calendar.YEAR)+"";
                curdate = curdate+"."+(e.get(Calendar.MONTH)+1);
               return curdate;
       }
    
        /**
         * 1. 传递查询时间段的日期信息<p/>
         * 2. 要求查询当月以及向前倒推11个月(总共12的月)的数据<p/>
         * 3. 如当前日期是 2014.01,则构造开始时间2013.02,结束时间2014.02,都是由于oracle的between  and  
         * @param mulOrderDTO
         */
        private void passDateInfo(TMulOrderCountDTO mulOrderDTO) {
            //传递月份信息
            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM");
            Calendar curr = Calendar.getInstance();
            //注意这里把curr变量的引用赋值给了curr2,当curr的值变化时,会影响到curr2的值
            Calendar curr2 = curr;
            curr.add(Calendar.MONTH, 1);
            Date beginPayDate = curr.getTime(); // 传进来的当前时间
            curr2.add(Calendar.YEAR, -1);
            Date endPayDate = curr2.getTime(); // 上一年的时间
            mulOrderDTO.setBeginPayDate(simpleDateFormat.format(endPayDate));
            mulOrderDTO.setEndPayDate(simpleDateFormat.format(beginPayDate));
        } 
    View Code
    /**
         * 构造每个月  订单总量、合约机总量、裸机总量的字符串信息,用于填充highChart插件 
         * @param request
         * @param str
         */
        @SuppressWarnings("unchecked")
        private void extractHighChartRecordInfo(HttpServletRequest request,
                String str,Map initMap) {
    //接受最初传进来的map,使用了LinkedHashMap的构造方法,参数为map
    //由于数据的显示问题,这里构造了初始化的LinkedHashMap(带顺序)
            Map originalTotalMap = new LinkedHashMap(initMap);
            Map originalTotalLJMap = new LinkedHashMap(initMap);
            Map originalTotalHYMap = new LinkedHashMap(initMap);
    //把json数据重新转换为Map数据
            Map<String, Object> m = parseJSON2Map(str);
    //遍历map,拿到map的key的集合的迭代对象
             Iterator<Map.Entry<String,Object>> iterator = m.entrySet().iterator();
                while(iterator.hasNext()){
    //拿到当前的迭代对象
                    Map.Entry<String, Object> me = iterator.next();
    //拿到当前迭代对象的key(可以看做map的key)
                    String key = me.getKey();
                    String keyW = key.substring(key.indexOf("_")+1);
                    if("LJ".equals(keyW)){
    //拿到当前迭代对象的value,是List对象,取第一个元素拿到map
                        List li = (List) me.getValue();
                        //拿到map
                        Map map = (Map) li.get(0);
    //覆盖一下初始化map的数据
                        originalTotalLJMap.putAll(map);
    //拿到实际上保存数据的Map集合,如保存每月裸机订单数据的map
                        Iterator<Map.Entry<String,Object>> iterator1 = originalTotalLJMap.entrySet().iterator();
                        StringBuffer stringBufferLJ = new StringBuffer();
                        stringBufferLJ.append("["); 
                        log.info("解析每月裸机数据..................................................");
                        while(iterator1.hasNext()){
                            Map.Entry<String, Object> mea = iterator1.next();
    //这里的getKey获取到是月份 如:2013.1
                            String keya = mea.getKey();
                            log.info(keya+"               "+mea.getValue());
    // getValue()是获取当月的订单数量,保存到StringBuffer中,并处理//StringBuffer数据使得满足highchart插件的要求
                            stringBufferLJ.append(mea.getValue()+",");
                        }
                        //当iterator1中有数据时才删除掉末尾的逗号
                        if(stringBufferLJ.length()>1){
                            stringBufferLJ.deleteCharAt(stringBufferLJ.length()-1);
                        }
                        stringBufferLJ.append("]");
                        log.info("裸机订单数量                                                                                                                              :"+stringBufferLJ.toString());
                        request.setAttribute("totalRecordLJ", stringBufferLJ.toString());
                        
                    }
                    if("HY".equals(keyW)){
                        List li = (List) me.getValue();
                        //拿到map
                        Map map = (Map) li.get(0);
                        originalTotalHYMap.putAll(map);
                        Iterator<Map.Entry<String,Object>> iterator1 = originalTotalHYMap.entrySet().iterator();
                        StringBuffer stringBufferHY = new StringBuffer();
                        stringBufferHY.append("[");
                        log.info("解析每月合约机数据..................................................");
                        while(iterator1.hasNext()){
                            Map.Entry<String, Object> mea = iterator1.next();
                            String keya = mea.getKey();
                            stringBufferHY.append(mea.getValue()+",");
                            log.info(keya+"               "+mea.getValue());
                        }
                        
                        //当iterator1中有数据时才删除掉末尾的逗号
                        if(stringBufferHY.length()>1){
                            stringBufferHY.deleteCharAt(stringBufferHY.length()-1);
                        }
                        stringBufferHY.append("]");
                        log.info("合约机订单数量                                                                                 :"+stringBufferHY.toString());
                        request.setAttribute("totalRecordHY", stringBufferHY.toString());
                        
                    } 
                    if("total".equals(keyW)){
                        List li = (List) me.getValue();
                        //拿到map
                        Map map = (Map) li.get(0);
                        originalTotalMap.putAll(map);
                        Iterator<Map.Entry<String,Object>> iterator1 = originalTotalMap.entrySet().iterator();
                        StringBuffer stringBufferTotal = new StringBuffer();
                        stringBufferTotal.append("[");
                        log.info("解析每月订单总量数据..................................................");
                        while(iterator1.hasNext()){
                            Map.Entry<String, Object> mea = iterator1.next();
                            String keya = mea.getKey();
                            stringBufferTotal.append(mea.getValue()+",");
                            log.info(keya+"               "+mea.getValue());
                        }
                        
                        //当iterator1中有数据时才删除掉末尾的逗号
                        if(stringBufferTotal.length()>1){
                            stringBufferTotal.deleteCharAt(stringBufferTotal.length()-1);
                        }
                        stringBufferTotal.append("]");
                        
                        log.info("总订单数量                                                                                                             :"+stringBufferTotal.toString());
                        request.setAttribute("totalRecord", stringBufferTotal.toString());
                        
                    }
                }
        } 
    View Code

    highcharts效果图

    附上jsp的代码

    <%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    %>
    <head>
    <script src="<%=basePath%>js/Highcharts3.0.8/jquery-1.8.3.js"></script>
    
    <script src="<%=basePath%>js/Highcharts3.0.8/highcharts.js"></script>
    <script src="<%=basePath%>js/Highcharts3.0.8/exporting.js" charset="UTF-8"></script>
    <style>
        hr{height: 0;margin: 0;padding: 0;width: 0;}
    </style>
       <script>
          $(function () {
        var xAxisTimeInfo = $("#xAxisTime").val();
        var totalRecordInfo = $("#totalRecord").val();
        var totalRecordHYInfo = $("#totalRecordHY").val();
        var totalRecordLJInfo = $("#totalRecordLJ").val();
    
            $('#container').highcharts({
                chart: {
                    type: 'column'
                },
                title: {
                    text: '每月订单数量统计'
                },
                subtitle: {
                    text: ''
                },
            exporting:{
                    filename:"订单统计",
                    sourceWidth: 1000,
                    sourceHeight: 550,
                    url:'<%=basePath%>shop/newOrder/orderPre/exportImage.do'//这里是一个重点哦,也可以修改exporting.js中对应的url  
                },
                /**
                 * 去掉图标的右下角HightCharts.com 的图标
                 */
           credits: {
                 enabled : false,
            position:{ align: 'right',x: -8, verticalAlign: 'bottom',y: -390 },
            href:'<%=basePath%>shop/newOrder/orderPre/orderSearch4HighCharts.do?type=1',
            text:'区域图表',
            style : {cursor:'pointer',color:'#909090',fontSize:'20px'}
               },
                xAxis: {
                    categories: eval(xAxisTimeInfo)
    
    
                },
                yAxis: {
                    min: 0,
                    title: {
                        text: '单位  (个)'
                    }
                },
    
                tooltip: {
                    headerFormat: '<span style="font-size:20px;">{point.key}</span><table style="160px;height:50px">',
                    pointFormat: '<tr><td style="padding:0">{series.name}: </td>' +
                        '<td style="padding:0"><b>{point.y:.0f}  </b></td></tr>',
                    footerFormat: '</table>',
                    shared: true,
                    useHTML: true
            
                },
                plotOptions: {
                    column: {
                        pointPadding: 0.2,
                        borderWidth: 0
                    }
                },
                series: [{
                    name: '裸机数量',
                    data: eval(totalRecordLJInfo)
        
                }, {
                    name: '订单总量',
                    data: eval(totalRecordInfo)
        
                },  {
                    name: '合约机数量',
                    data: eval(totalRecordHYInfo)
        
                }]
            });
    });
    
        function showAreaView(){
               window.document.location.href="<%=basePath%>shop/newOrder/orderPre/orderSearch4HighCharts.do?viewType=1"
       }
          
        function showLineView(){
               window.document.location.href="<%=basePath%>shop/newOrder/orderPre/orderSearch4HighCharts.do?viewType=3"
       }
       </script>
       
       
    </head>
        
    <body>
    
    <span onclick="showAreaView();" style="cursor: pointer">区域图显示</span>&nbsp;&nbsp;|&nbsp;&nbsp;
    <span onclick="showLineView();" style="cursor: pointer">曲线图显示</span>&nbsp;&nbsp;|&nbsp;&nbsp;
    <span  style="font-weight: 900;color: red;cursor: default">柱状图</span>
       <div id="container" style="min-90%;height:90%;"></div>
    <input type="hidden" id="totalRecordLJ" value="${totalRecordLJ}"></input>
    <input type="hidden" id="totalRecordHY" value="${totalRecordHY}"></input>
    <input type="hidden" id="totalRecord" value="${totalRecord}"></input>
    <input type="hidden" id="xAxisTime" value="${highChartXAxisInfo}"></input>
    </body>
    </html>
    View Code

    欢迎转载,转载务必请注明出处,谢谢。

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  • 原文地址:https://www.cnblogs.com/wanggd/p/3529804.html
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