ECharts-柱状图

本文转载自查看原文 2021-12-14 16:13 2924 Web前端/ ASP.NET MVC

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>ECharts</title>
    <!-- 引入刚刚下载的 ECharts 文件 -->
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/dist/echarts.min.js"></script>
  </head>
  <body>
    <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
    <div id="main" style="width: 600px;height:400px;"></div>
    <script type="text/javascript">
      // 基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById('main'));

      // 指定图表的配置项和数据
      var option = {
        title: {
          text: 'ECharts 入门示例'
        },
        tooltip: {},
        legend: {
          data: ['销量']
        },
        xAxis: {
          data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
        },
        yAxis: {},
        series: [
          {
            name: '销量',
            type: 'bar',
            data: [5, 20, 36, 10, 10, 20]
          }
        ]
      };

      // 使用刚指定的配置项和数据显示图表。
      myChart.setOption(option);
    </script>
  </body>
</html>

<!--
    THIS EXAMPLE WAS DOWNLOADED FROM https://echarts.apache.org/examples/zh/editor.html?c=bar-background&version=5.2.2
-->
<!DOCTYPE html>
<html style="height: 100%">
    <head>
        <meta charset="utf-8">
    </head>
    <body style="height: 100%; margin: 0">
        <div id="container" style="height: 100%"></div>

        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/dist/echarts.min.js"></script>
        <!-- Uncomment this line if you want to dataTool extension
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/dist/extension/dataTool.min.js"></script>
        -->
        <!-- Uncomment this line if you want to use gl extension
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts-gl@2/dist/echarts-gl.min.js"></script>
        -->
        <!-- Uncomment this line if you want to echarts-stat extension
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts-stat@latest/dist/ecStat.min.js"></script>
        -->
        <!-- Uncomment this line if you want to use map
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/map/js/china.js"></script>
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@5.2.2/map/js/world.js"></script>
        -->
        <!-- Uncomment these two lines if you want to use bmap extension
        <script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak=<Your Key Here>"></script>
        <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts@{{version}}/dist/extension/bmap.min.js"></script>
        -->

 <script type="text/javascript">
var dom = document.getElementById("container");
var myChart = echarts.init(dom);
var app = {};

var option;



option = {
  xAxis: {
    type: 'category',
    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
  },
  yAxis: {
    type: 'value'
  },
  series: [
    {
      data: [120, 200, 150, 80, 70, 110, 130],
      type: 'bar',
      showBackground: true,
      backgroundStyle: {
        color: 'rgba(180, 180, 180, 0.2)'
      }
    }
  ]
};


if (option && typeof option === 'object') {
    myChart.setOption(option);
}

        </script>
    </body>
</html>

function bindDataForECharts() {
    $.ajax({
        url: "/Home/GetDataForEChart",
        type: "get",
        data: {},
        contentType: "json",
        cache: false,
        success: function(res) {
            //debugger;

            var objs = [];
            var objs1 = [];

            //alert(res.length);
            //console.info(res);

            var jsonObj = JSON.parse(res);

            for (var i = 0; i < jsonObj.length; i++) {
                objs[i] = jsonObj[i].cust_po_id;
                objs1[i] = jsonObj[i].cnt;
            }

            var myChart = echarts.init(document.getElementById("main"));

            var option = {
                title: {
                    text: "ECharts"
                },
                tooltip: {},
                legend: {
                    data: ["销量"]
                },
                xAxis: {
                    data: objs // X轴数据
                },
                yAxis: {},
                series: [
                    {
                        name: "库存",
                        type: "bar", // 图表类型，bar柱状图
                        data: objs1, // Y轴数据

                        showBackground: true,
                        backgroundStyle: {
                            color: "rgba(180, 180, 180, 0.2)"
                        }
                    }
                ]
            };

            myChart.setOption(option);
        }
    });
}

        /// <summary>
        ///     获取要绑定到EChart的数据
        ///     LDH @ 2021-12-14
        /// </summary>
        /// <returns></returns>
        //[AcceptVerbs(HttpVerbs.Get)]
        [HttpGet]
        public ContentResult GetDataForEChart()
        {
            string jsonStr;
            using (var service = new CustomerPoService())
            {
                var dt = service.GetDataForEChart();
                jsonStr = JsonConvert.SerializeObject(dt);
            }

            return Content(jsonStr);
        }

@*ECharts*@
<div id="main" style="height: 400px; width: 100%;"></div>

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