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  • 【WEB前端】使用百度ECharts,绘制项目质量报表

    一、下载ECharts的js库

    下载地址:http://echarts.baidu.com/download.html

    由于我们对体积无要求,所以我们采用了完整版本,功能齐全,在项目中,我们只需要像普通的 JavaScript 库一样用 script 标签引入即可。

    <!DOCTYPE html>
    <html>
    <head>
        <meta charset="utf-8">
        <!-- 引入 ECharts 文件 -->
        <script src="echarts.min.js"></script>
    </head>
    </html>

    二、绘制项目质量报表

    根据需求,我们期望在绘制出如下的报表:

    在绘图前我们需要为 ECharts 准备一个具备高宽的 DOM 容器。

    <body>
        <!-- 为 ECharts 准备一个具备大小(宽高)的 DOM -->
        <div id="echarts-line-chart" style=" 600px;height:400px;"></div>
    </body>

    然后就可以通过 echarts.init 方法初始化一个 echarts 实例并通过 setOption 方法生成一个统计图,下面是完整代码:

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    //初始化图表
    var lineChart = echarts.init(document.getElementById("echarts-line-chart"));
    //加载数据时显示loading动画
    lineChart.showLoading();
    //通过Ajax异步加载数据
    $.get('/gerrit/project').done(function (data) {
        lineChart.hideLoading();
        var xData = function () {
            var data = [];
            for (var i = 1; i < 15; i++) {
                data.push(i + "-项目");
            }
            return data;
        }();
        var lineoption = {
            backgroundColor: "#344b58",
            "title": {
                "text": "项目质量统计图",
                "subtext": "BUG占比分析",
                x: "4%",
     
                textStyle: {
                    color: '#fff',
                    fontSize: '22'
                },
                subtextStyle: {
                    color: '#90979c',
                    fontSize: '16',
     
                },
            },
            //提示框设置
            //formatter为提示框浮层内容格式器,支持字符串模板和回调函数两种形式。模板变量有 {a}, {b},{c},{d},{e},分别表示系列名,数据名,数据值等
            "tooltip": {
                formatter: "{b0}<br><span style='display:inline-block;margin-right:5px;border-radius:10px;9px;height:9px;background-color:rgba(255,144,128,1)'></span>{a0} : {c0}<br><span style='display:inline-block;margin-right:5px;border-radius:10px;9px;height:9px;background-color:rgba(0,191,183,1)'></span>{a1} : {c1}<br><span style='display:inline-block;margin-right:5px;border-radius:10px;9px;height:9px;background-color:rgba(252,230,48,1)'></span>{a2} : {c2}%",
                "trigger": "axis",
                "axisPointer": {
                    "type": "shadow",
                    textStyle: {
                        color: "#fff"
                    }
     
                },
            },
            toolbox: {
                show: true,
                feature: {
                    saveAsImage: {show: true}
                }
            },
            "grid": {
                "borderWidth": 0,
                "top": 110,
                "bottom": 95,
                textStyle: {
                    color: "#fff"
                }
            },
            "legend": {
                x: '4%',
                top: '11%',
                textStyle: {
                    color: '#90979c',
                },
                "data": ['Change总数', 'Bug总数']
            },
     
     
            "calculable": true,
            "xAxis": [{
                "type": "category",
                "axisLine": {
                    lineStyle: {
                        color: '#90979c'
                    }
                },
                "splitLine": {
                    "show": false
                },
                "axisTick": {
                    "show": false
                },
                "splitArea": {
                    "show": false
                },
                "axisLabel": {
                    "interval": 0,
     
                },
                "data": xData,
            }],
     
            //多行Y轴设置,数据中通过yAxisIndex选择 index从0开始
            "yAxis": [
                {
                    "type": "value",
                    "name": "总数",
                    "splitLine": {
                        "show": false
                    },
                    "axisLine": {
                        lineStyle: {
                            color: '#90979c'
                        }
                    },
                    "axisTick": {
                        "show": false
                    },
                    "axisLabel": {
                        "interval": 0,
     
                    },
                    "splitArea": {
                        "show": false
                    },
                },
     
                {
                    type: 'value',
                    name: "占比(%)",
                    min: 0,
                    max: 100,
                    position: 'right',
                    "splitLine": {
                        "show": false
                    },
                    "axisLine": {
                        lineStyle: {
                            color: '#90979c'
                        }
                    },
                    "axisTick": {
                        "show": false
                    },
                    "axisLabel": {
                        "interval": 0,
     
                    },
                    "splitArea": {
                        "show": false
                    },
                },
     
            ],
     
            //数据区域缩放组件
            "dataZoom": [{
                "show": true,
                "height": 30,
                "xAxisIndex": [
                    0
                ],
                bottom: 30,
                "start": 0,
                "end": 80,
                handleIcon: 'path://M306.1,413c0,2.2-1.8,4-4,4h-59.8c-2.2,0-4-1.8-4-4V200.8c0-2.2,1.8-4,4-4h59.8c2.2,0,4,1.8,4,4V413z',
                handleSize: '110%',
                handleStyle: {
                    color: "#d3dee5",
     
                },
                textStyle: {
                    color: "#fff"
                },
                borderColor: "#90979c"
     
     
            },
                {
                    "type": "inside",
                    "show": true,
                    "height": 15,
                    "start": 1,
                    "end": 35
                }],
     
            //系列列表。每个系列通过 type 决定自己的图表类型
            //stack表示数据堆叠,同个类目轴上系列配置相同的stack值后,后一个系列的值会在前一个系列的值上相加。
            "series": [{
                "name": "Change总数",
                "type": "bar",
                "stack": "总量",
                "barMaxWidth": 35,
                "barGap": "10%",
                "itemStyle": {
                    "normal": {
                        "color": "rgba(255,144,128,1)",
                        "label": {
                            "show": true,
                            "textStyle": {
                                "color": "#fff"
                            },
                            //数据显示位置
                            "position": "insideTop",
                            //数据显示格式
                            formatter: function (p) {
                                return p.value > 0 ? (p.value) : '';
                            }
                        }
                    }
                },
                "data": [
                    709,
                    1917,
                    2455,
                    2610,
                    1719,
                    1433,
                    1544,
                    3285,
                    5208,
                    3372,
                    2484,
                    4078
                ],
            },
     
                {
                    "name": "Bug总数",
                    "type": "bar",
                    "stack": "总量",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(0,191,183,1)",
                            "barBorderRadius": 0,
                            "label": {
                                "show": true,
                                "position": "top",
                                formatter: function (p) {
                                    return p.value > 0 ? (p.value) : '';
                                }
                            }
                        }
                    },
                    "data": [
                        327,
                        1776,
                        507,
                        1200,
                        800,
                        482,
                        204,
                        1390,
                        1001,
                        951,
                        381,
                        220
                    ]
                },
                {
                    "name": "占比",
                    "type": "line",
                    "yAxisIndex": 1,
                    symbolSize: 10,
                    symbol: 'circle',
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(252,230,48,1)",
                            "barBorderRadius": 0,
                            "label": {
                                "show": true,
                                "position": "top",
                                formatter: function (p) {
                                    return p.value > 0 ? (p.value) + '%' : '';
                                }
                            }
                        }
                    },
                    "data": [
                        46,
                        92,
                        20,
                        46,
                        47,
                        34,
                        13,
                        42,
                        19,
                        28,
                        15,
                        5
                    ]
                },
            ]
        };
        lineChart.setOption(lineoption);
        $(window).resize(lineChart.resize);
    });
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  • 原文地址:https://www.cnblogs.com/perfe/p/6203284.html
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