最近项目中用到highcharts雷达图，如下
其实echarts就不错，echarts用canvas，highcharts用svg，各有特点
代码如下：
index.html
<!doctype html> <html> <head> <meta charset="utf-8"> <title>highcharts 雷达图</title> <link rel="stylesheet" href="bootstrap.min.css"> <script src="jquery-1.9.1.min.js"></script> </head> <body> <div class="col-md-4 col-sm-12" id="credit_radarmap"> </div> <script src="highcharts.js"></script> <script src="highcharts-more.js"></script> <script> $('#credit_radarmap').highcharts({ chart : { polar : true, type : 'area' }, title : { text : '', x : -80 }, credits : { enabled : false }, exporting : { enabled : false }, pane : { size : '82%' }, xAxis : { categories : [ '个人情况15分<br/>满分18', '信用记录25分<br/>满分35', '经济实力30分<br/>满分32', '稳定情况9分<br/>满分16', '贷款情况14分<br/>满分27', '其他0分<br/>满分90', '保障情况18分<br/>满分18', '家庭情况18分<br/>满分18', '工作情况22分<br/>满分36' ], tickmarkPlacement : 'on', lineWidth : 0, labels: { align : 'center', rotation: 3 } }, yAxis : { gridLineInterpolation : 'polygon', lineWidth : 0.2, minorTickInterval : 10, min : 0, endOnTick : false, max : 100, labels: { format: '{value} 分' } }, tooltip : { shared : true, pointFormat : '' }, legend : { align : 'left', verticalAlign : 'top', x : 2, y : 5, layout : 'vertical' }, plotOptions: { area: { marker: { radius: 0 } } }, series : [ { name : '总分151分', color:'rgb(250,160,3)', data : [ 15/18*100,25/35*100,30/32*100,9/16*100,14/27*100,0/90*100,18/18*100,18/18*100,22/36*100 ], pointPlacement : 'on' } ] }); </script> </body> </html>
需要注意的是，除了引入highcharts.js 还需要引入highcharts-more.js
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b=this.yData,c=this.points,d,f=b.length,g=this.options.threshold||0,e,k,n,m,i,j;k=e=n=m=g;for(j=0;j<f;j++)i=b[j],d=c&&c[j]?c[j]:{},i==="sum"||d.isSum?b[j]=k:i==="intermediateSum"||d.isIntermediateSum?(b[j]=e,e=g):(k+=i,e+=i),n=Math.min(k,n),m=Math.max(k,m);s.prototype.processData.call(this,a);this.dataMin=n;this.dataMax=m},toYData:function(a){if(a.isSum)return"sum"; else if(a.isIntermediateSum)return"intermediateSum";return a.y},getAttribs:function(){h.column.prototype.getAttribs.apply(this,arguments);var a=this.options,b=a.states,c=a.upColor||this.color,a=l.Color(c).brighten(0.1).get(),d=o(this.pointAttr),f=this.upColorProp;d[""][f]=c;d.hover[f]=b.hover.upColor||a;d.select[f]=b.select.upColor||c;t(this.points,function(a){if(a.y>0&&!a.color)a.pointAttr=d,a.color=c})},getGraphPath:function(){var a=this.data,b=a.length,c=D(this.options.lineWidth+this.options.borderWidth)% 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b=this.options.marker,c=q(b.fillOpacity,0.5),a=a||b.fillColor||this.color;c!==1&&(a=U(a).setOpacity(c).get("rgba")); return a},convertAttribs:function(){var a=s.prototype.convertAttribs.apply(this,arguments);a.fill=this.applyOpacity(a.fill);return a},getRadii:function(a,b,c,d){var f,g,e,k=this.zData,n=[],m=this.options.sizeBy!=="width";for(g=0,f=k.length;g<f;g++)e=b-a,e=e>0?(k[g]-a)/(b-a):0.5,m&&e>=0&&(e=Math.sqrt(e)),n.push(v.ceil(c+e*(d-c))/2);this.radii=n},animate:function(a){var b=this.options.animation;if(!a)t(this.points,function(a){var d=a.graphic,a=a.shapeArgs;d&&a&&(d.attr("r",1),d.animate({r:a.r},b))}), this.animate=null},translate:function(){var a,b=this.data,c,d,f=this.radii;h.scatter.prototype.translate.call(this);for(a=b.length;a--;)c=b[a],d=f?f[a]:0,c.negative=c.z<(this.options.zThreshold||0),d>=this.minPxSize/2?(c.shapeType="circle",c.shapeArgs={x:c.plotX,y:c.plotY,r:d},c.dlBox={x:c.plotX-d,y:c.plotY-d,2*d,height:2*d}):c.shapeArgs=c.plotY=c.dlBox=C},drawLegendSymbol:function(a,b){var c=w(a.itemStyle.fontSize)/2;b.legendSymbol=this.chart.renderer.circle(c,a.baseline-c,c).attr({zIndex:3}).add(b.legendGroup); b.legendSymbol.isMarker=!0},drawPoints:h.column.prototype.drawPoints,alignDataLabel:h.column.prototype.alignDataLabel});L.prototype.beforePadding=function(){var a=this,b=this.len,c=this.chart,d=0,f=b,g=this.isXAxis,e=g?"xData":"yData",k=this.min,n={},m=v.min(c.plotWidth,c.plotHeight),i=Number.MAX_VALUE,j=-Number.MAX_VALUE,h=this.max-k,l=b/h,p=[];this.tickPositions&&(t(this.series,function(b){var e=b.options;if(b.bubblePadding&&(b.visible||!c.options.chart.ignoreHiddenSeries))if(a.allowZoomOutside= !0,p.push(b),g)t(["minSize","maxSize"],function(a){var b=e[a],g=/%$/.test(b),b=w(b);n[a]=g?m*b/100:b}),b.minPxSize=n.minSize,b=b.zData,b.length&&(i=v.min(i,v.max(N(b),e.displayNegative===!1?e.zThreshold:-Number.MAX_VALUE)),j=v.max(j,O(b)))}),t(p,function(a){var b=a[e],c=b.length,m;g&&a.getRadii(i,j,n.minSize,n.maxSize);if(h>0)for(;c--;)typeof b[c]==="number"&&(m=a.radii[c],d=Math.min((b[c]-k)*l-m,d),f=Math.max((b[c]-k)*l+m,f))}),p.length&&h>0&&q(this.options.min,this.userMin)===C&&q(this.options.max, this.userMax)===C&&(f-=b,l*=(b+d-f)/b,this.min+=d/l,this.max+=f/l))};(function(){function a(a,b,c){a.call(this,b,c);if(this.chart.polar)this.closeSegment=function(a){var b=this.xAxis.center;a.push("L",b[0],b[1])},this.closedStacks=!0}function b(a,b){var c=this.chart,d=this.options.animation,f=this.group,i=this.markerGroup,j=this.xAxis.center,h=c.plotLeft,l=c.plotTop;if(c.polar){if(c.renderer.isSVG)if(d===!0&&(d={}),b){if(c={translateX:j[0]+h,translateY:j[1]+l,scaleX:0.001,scaleY:0.001},f.attr(c), i)i.attrSetters=f.attrSetters,i.attr(c)}else c={translateX:h,translateY:l,scaleX:1,scaleY:1},f.animate(c,d),i&&i.animate(c,d),this.animate=null}else a.call(this,b)}var c=s.prototype,d=Q.prototype,f;c.toXY=function(a){var b,c=this.chart,d=a.plotX;b=a.plotY;a.rectPlotX=d;a.rectPlotY=b;d=(d/Math.PI*180+this.xAxis.pane.options.startAngle)%360;d<0&&(d+=360);a.clientX=d;b=this.xAxis.postTranslate(a.plotX,this.yAxis.len-b);a.plotX=a.polarPlotX=b.x-c.plotLeft;a.plotY=a.polarPlotY=b.y-c.plotTop};c.orderTooltipPoints= function(a){if(this.chart.polar&&(a.sort(function(a,b){return a.clientX-b.clientX}),a[0]))a[0].wrappedClientX=a[0].clientX+360,a.push(a[0])};h.area&&r(h.area.prototype,"init",a);h.areaspline&&r(h.areaspline.prototype,"init",a);h.spline&&r(h.spline.prototype,"getPointSpline",function(a,b,c,d){var f,i,j,h,l,p,o;if(this.chart.polar){f=c.plotX;i=c.plotY;a=b[d-1];j=b[d+1];this.connectEnds&&(a||(a=b[b.length-2]),j||(j=b[1]));if(a&&j)h=a.plotX,l=a.plotY,b=j.plotX,p=j.plotY,h=(1.5*f+h)/2.5,l=(1.5*i+l)/2.5, j=(1.5*f+b)/2.5,o=(1.5*i+p)/2.5,b=Math.sqrt(Math.pow(h-f,2)+Math.pow(l-i,2)),p=Math.sqrt(Math.pow(j-f,2)+Math.pow(o-i,2)),h=Math.atan2(l-i,h-f),l=Math.atan2(o-i,j-f),o=Math.PI/2+(h+l)/2,Math.abs(h-o)>Math.PI/2&&(o-=Math.PI),h=f+Math.cos(o)*b,l=i+Math.sin(o)*b,j=f+Math.cos(Math.PI+o)*p,o=i+Math.sin(Math.PI+o)*p,c.rightContX=j,c.rightContY=o;d?(c=["C",a.rightContX||a.plotX,a.rightContY||a.plotY,h||f,l||i,f,i],a.rightContX=a.rightContY=null):c=["M",f,i]}else c=a.call(this,b,c,d);return c});r(c,"translate", function(a){a.call(this);if(this.chart.polar&&!this.preventPostTranslate)for(var a=this.points,b=a.length;b--;)this.toXY(a[b])});r(c,"getSegmentPath",function(a,b){var c=this.points;if(this.chart.polar&&this.options.connectEnds!==!1&&b[b.length-1]===c[c.length-1]&&c[0].y!==null)this.connectEnds=!0,b=[].concat(b,[c[0]]);return a.call(this,b)});r(c,"animate",b);r(c,"setTooltipPoints",function(a,b){this.chart.polar&&y(this.xAxis,{tooltipLen:360});return a.call(this,b)});if(h.column)f=h.column.prototype, r(f,"animate",b),r(f,"translate",function(a){var b=this.xAxis,c=this.yAxis.len,d=b.center,f=b.startAngleRad,h=this.chart.renderer,j,l;this.preventPostTranslate=!0;a.call(this);if(b.isRadial){b=this.points;for(l=b.length;l--;)j=b[l],a=j.barX+f,j.shapeType="path",j.shapeArgs={d:h.symbols.arc(d[0],d[1],c-j.plotY,null,{start:a,end:a+j.pointWidth,innerR:c-q(j.yBottom,c)})},this.toXY(j)}}),r(f,"alignDataLabel",function(a,b,d,f,h,i){if(this.chart.polar){a=b.rectPlotX/Math.PI*180;if(f.align===null)f.align= a>20&&a<160?"left":a>200&&a<340?"right":"center";if(f.verticalAlign===null)f.verticalAlign=a<45||a>315?"bottom":a>135&&a<225?"top":"middle";c.alignDataLabel.call(this,b,d,f,h,i)}else a.call(this,b,d,f,h,i)});r(d,"getIndex",function(a,b){var c,d=this.chart,f;d.polar?(f=d.xAxis[0].center,c=b.chartX-f[0]-d.plotLeft,d=b.chartY-f[1]-d.plotTop,c=180-Math.round(Math.atan2(c,d)/Math.PI*180)):c=a.call(this,b);return c});r(d,"getCoordinates",function(a,b){var c=this.chart,d={xAxis:[],yAxis:[]};c.polar?t(c.axes, function(a){var f=a.isXAxis,g=a.center,h=b.chartX-g[0]-c.plotLeft,g=b.chartY-g[1]-c.plotTop;d[f?"xAxis":"yAxis"].push({axis:a,value:a.translate(f?Math.PI-Math.atan2(h,g):Math.sqrt(Math.pow(h,2)+Math.pow(g,2)),!0)})}):d=a.call(this,b);return d})})()})(Highcharts);