• 周六. 8月 20th, 2022

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ASP.NET——Echarts练习Demo2(简单的圆饼图)

admin

11月 28, 2021

大概效果:

参考:https://echarts.apache.org/examples/zh/editor.html?c=pie-nest

前端:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="axmt630zc.aspx.cs" Inherits="xsweb.ERPInfo.EchartsDemo.axmt630zc" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>当月装车出货金额汇总(物料类别二)</title>
    <script src="../../resources/scripts/jquery-3.5.1.min.js"></script>
    <script src="../../resources/scripts/echarts.min.js"></script>

    <script>
        var ds = new Array();
        var dsdate = new Array();
        var myChart;

        //Ajax请求
        var GetDataByAjax = function () {
            $.ajax({
                url: "axmt630zc.aspx/GetAxmt630zc",
                type: "post",
                contentType: "application/json; charset=utf-8",
                success: function (data) {
                    cnt = (data.d).length;
                    for (var i = 0; i < cnt; i++) {
                        var js = '{"value":' + (data.d)[i]["amt"] + ',"name":"' + (data.d)[i]["wuliao2"] + '"}';
                        var obj = JSON.parse(js);
                        ds.push(obj);
                        dsdate.push((data.d)[i]["wuliao2"]);
                    }
                    Show2();
                },
                error: function (err) {
                    alert("出错!");
                }
            });
        }
        $(function () {
            // 基于准备好的dom,初始化echarts实例
            myChart = echarts.init(document.getElementById('axmt630zc'));
            myChart.showLoading();  // 开启 loading 效果            
            GetDataByAjax();
        });

        function Show2() {
            var option = {
                tooltip: {
                    trigger: 'item',
                    formatter: '{a} <br/>{b}: {c} ({d}%)'
                },
                //legend: {
                //    data: dsdate
                //},
                series: [
                    {
                        name: '当月装车出货金额',
                        type: 'pie',
                        selectedMode: 'single',
                        radius: [0, '30%'],
                        label: {
                            position: 'inner',
                            fontSize: 14,
                        },
                        labelLine: {
                            show: false
                        }
                    },
                    {
                        name: '当月装车出货金额',
                        type: 'pie',
                        radius: ['10%', '50%'],
                        labelLine: {
                            length: 30,
                        },
                        label: {
                            formatter: '{a|{a}}{abg|}
{hr|}
  {b|{b}:}{c}  {per|{d}%}  ',
                            backgroundColor: '#F6F8FC',
                            borderColor: '#8C8D8E',
                            borderWidth: 1,
                            borderRadius: 4,

                            rich: {
                                a: {
                                    color: '#6E7079',
                                    lineHeight: 22,
                                    align: 'center'
                                },
                                hr: {
                                    borderColor: '#8C8D8E',
                                     '100%',
                                    borderWidth: 1,
                                    height: 0
                                },
                                b: {
                                    color: '#4C5058',
                                    fontSize: 14,
                                    fontWeight: 'bold',
                                    lineHeight: 33
                                },
                                per: {
                                    color: '#fff',
                                    backgroundColor: '#4C5058',
                                    padding: [3, 4],
                                    borderRadius: 4
                                }
                            }
                        },
                        data: ds
                    }
                ]
            };

            myChart.hideLoading();  // 隐藏 loading 效果

            // 使用刚指定的配置项和数据显示图表。
            myChart.setOption(option);
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <div id="axmt630zc" style=" 1000px; height: 600px;"></div>
        </div>
    </form>
</body>
</html>

后端:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.UI;
using System.Web.UI.WebControls;
using xsweb.BLL;
using xsweb.Model;

namespace xsweb.ERPInfo.EchartsDemo
{
    public partial class axmt630zc : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        [WebMethod]
        public static List<Axmt630zcInfo> GetAxmt630zc()
        {
            List<Axmt630zcInfo> zcList = new Axmt630zcBLL().GetAxmt630zcData();
            return zcList;
        }

    }
}

Label金额显示千分位,修改:

formatter: function (p) {
                                return p.name + "" + formatNum(p.value) + "元(" + p.percent+"%)";
                            }
function formatNum(strNum) {
            if (strNum.length <= 3) {
                return strNum;
            }
            if (!/^(+|-)?(d+)(.d+)?$/.test(strNum)) {
                return strNum;
            }
            var a = RegExp.$1,
                b = RegExp.$2,
                c = RegExp.$3;
            var re = new RegExp();
            re.compile("(\d)(\d{3})(,|$)");
            while (re.test(b)) {
                b = b.replace(re, "$1,$2$3");
            }
            return a + "" + b + "" + c;
        }

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