wxcharts微信小程序图表插件

微信小程序图表插件（wx-charts）基于canvas绘制，体积小巧，支持图表类型饼图、线图、柱状图 、区域图等图表图形绘制，目前wx-charts是微信小程序图表插件中比较强大好使的一个支持图标类型饼图 pie圆环图 ring线图 line柱状图 column区域图 area雷达图 radar如何使用？直接引用编译好的文件 dist/charts.js（js下载地址） .wxml中定义canvas canvas-id=”lineCanvas” disable-scroll=”true” class=”canvas”/canvascanvas-id与new wxCharts({canvasId:”})中canvasId一致 2. 命令行git clone github.com/xiaolin3303/wx-charts.gitnpm install rollup -gnpm installrollup -c 或者 rollup –config rollup.config.prod.js参数说明opts                         Objectopts.canvasId                String required                    微信小程序canvas-idopts.width                   Number required                canvas宽度，单位为pxopts.height                  Number required                canvas高度，单位为pxopts.title                   Object           (only for ring chart)opts.title.name              String           标题内容opts.title.fontSize          Number            标题字体大小（可选，单位为px）opts.title.color             String           标题颜色（可选）opts.subtitle                Object         (only for ring chart)opts.subtitle.name           String           副标题内容opts.subtitle.fontSize       Number          副标题字体大小（可选，单位为px）opts.subtitle.color          String          副标题颜色（可选）opts.animation               Boolean default true         是否动画展示opts.legend                  Boolen default true       是否显示图表下方各类别的标识opts.type                    String required 图表类型，可选值为pie, line, column, area……opts.categories              Array required       (饼图、圆环图不需要) 数据类别分类opts.dataLabel               Boolean default true     是否在图表中显示数据内容值opts.dataPointShape          Boolean default true   是否在图表中显示数据点图形标识opts.xAxis                   Object       X轴配置opts.xAxis.disableGrid       Boolean default false      不绘制X轴网格opts.yAxis                   Object    Y轴配置opts.yAxis.format            Function           自定义Y轴文案显示opts.yAxis.min               Number        Y轴起始值opts.yAxis.max               Number           Y轴终止值opts.yAxis.title             String       Y轴titleopts.yAxis.disabled          Boolean default false        不绘制Y轴opts.series                  Array required        数据列表数据列表每项结构定义dataItem                      ObjectdataItem.data                 Array required (饼图、圆环图为Number) 数据dataItem.color                String 例如#7cb5ec 不传入则使用系统默认配色方案dataItem.name                 String 数据名称dateItem.format               Function 自定义显示数据内容详见demo（具体demo git地址）1.pie new wxCharts({    animation: true, //是否有动画    canvasId: ‘pieCanvas’,    type: ‘pie’,    series: [{        name: ‘成交量1’,        data: 15,    }, {        name: ‘成交量2’,        data: 35,    }, {        name: ‘成交量3’,        data: 78,    }],    width: windowWidth,    height: 300,    dataLabel: true, });} 2. ringnew wxCharts({    animation: true,    canvasId: ‘ringCanvas’,    type: ‘ring’,    extra: {        ringWidth: 25,        pie: {            offsetAngle: -45        }    },    title: {        name: ‘70%’,        color: ‘#7cb5ec’,        fontSize: 25    },    subtitle: {        name: ‘收益率’,        color: ‘#666666’,        fontSize: 15    },    series: [{        name: ‘成交量1’,        data: 15,        stroke: false    }, {        name: ‘成交量2’,        data: 35,         stroke: false    }, {        name: ‘成交量3’,        data: 78,        stroke: false    }, {        name: ‘成交量4’,        data: 63,         stroke: false    }],    disablePieStroke: true,    width: windowWidth,    height: 200,    dataLabel: false,    legend: false,    padding: 0}); 3. linenew wxCharts({    canvasId: ‘lineCanvas’,    type: ‘line’,    categories: simulationData.categories,    animation: true,    background: ‘#f5f5f5’,    series: [{        name: ‘成交量1’,        data: simulationData.data,        format: function (val, name) {            return val.toFixed(2) + ‘万’;        }    }, {        name: ‘成交量2’,        data: [2, 0, 0, 3, null, 4, 0, 0, 2, 0],        format: function (val, name) {            return val.toFixed(2) + ‘万’;        }    }],    xAxis: {        disableGrid: true    },    yAxis: {        title: ‘成交金额 (万元)’,        format: function (val) {            return val.toFixed(2);        },        min: 0    },    width: windowWidth,    height: 200,    dataLabel: false,    dataPointShape: true,    extra: {        lineStyle: ‘curve’    }}); 4. columnnew wxCharts({    canvasId: ‘columnCanvas’,    type: ‘column’,    animation: true,    categories: chartData.main.categories,    series: [{        name: ‘成交量’,        data: chartData.main.data,        format: function (val, name) {            return val.toFixed(2) + ‘万’;        }    }],    yAxis: {        format: function (val) {            return val + ‘万’;        },        title: ‘hello’,        min: 0    },    xAxis: {        disableGrid: false,        type: ‘calibration’    },    extra: {        column: {            width: 15        }    },    width: windowWidth,    height: 200,}); 5. areanew wxCharts({    canvasId: ‘areaCanvas’,    type: ‘area’,    categories: [‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’],    animation: true,    series: [{        name: ‘成交量1’,        data: [32, 45, 0, 56, 33, 34],        format: function (val) {            return val.toFixed(2) + ‘万’;        }    }, {      name: ‘成交量2’,      data: [15, 20, 45, 37, 4, 80],      format: function (val) {        return val.toFixed(2) + ‘万’;      },    }],    yAxis: {        title: ‘成交金额 (万元)’,        format: function (val) {            return val.toFixed(2);        },        min: 0,        fontColor: ‘#8085e9’,        gridColor: ‘#8085e9’,        titleFontColor: ‘#f7a35c’    },    xAxis: {        fontColor: ‘#7cb5ec’,        gridColor: ‘#7cb5ec’    },    extra: {        legendTextColor: ‘#cb2431’    },    width: windowWidth,    height: 200}); 6.radarnew wxCharts({   canvasId: ‘radarCanvas’,    type: ‘radar’,    categories: [‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’],    series: [{        name: ‘成交量1’,        data: [90, 110, 125, 95, 87, 122]    }],    width: windowWidth,    height: 200,    extra: {        radar: {            max: 150        }    }});本人是自己查阅资料自己整理，希望对自己和有问题的你们都有帮助