Highcharts插件常见问题及解决办法

在jsp中使用Highchart的步骤：

第一步：引入highchart必需的js文件

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<!-- -- 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>

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的引入顺序放到了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 jquery的js要在引入highchart的js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

第二步：组装添加显示highchart图表所用的数据

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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  }, 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="width: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>' , pointFormat:  '' + '' , footerFormat:  '<table style="width:160px;height:50px"><tbody><tr><td style="color:{series.color};padding:0">{series.name}: </td><td style="padding:0"><b>{point.y:.0f}  </b></td></tr></tbody></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) }] }); });

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jsp中url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包

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

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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:\n\tParameter [svg]: The DOM Element to be converted." + "\n\tParameter [type]: The destination MIME type for the elment to be transcoded." ); } out.flush(); out.close(); return null ;  }

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

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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());</string></string>

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action层代码 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; }</p>

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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; } 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)); }</p></gregoriancalendar></gregoriancalendar>

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@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()); } } }</string,></map.entry<string,object></string,></map.entry<string,object></string,></map.entry<string,object></string,></map.entry<string,object></string,>

附上jsp的代码

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