关于java:SpringBoot-整合-Echarts-绘制柱状图饼图

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SpringBoot 整合 Echarts 绘制柱状图、饼图

SpringBoot 整合 Echarts 绘制柱状图、饼图

Idea 创立 SpringBoot 我的项目

一路狂奔到新我的项目窗口

下载 Echarts

把 echarts.min.js 文件放到我的项目中。

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.5.0</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.pony</groupId>
    <artifactId>springboot_echarts</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>springboot_echarts</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

application.properties

server.port=9090
server.servlet.context-path=/chart

controller

package com.pony.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.ModelAndView;

/**
 * @author 巅峰小词典
 * @description
 * @date 2021/5/21
 * @project springboot_echarts
 */
@RestController
public class EchartsController {

    @RequestMapping(value = "/hello", method = RequestMethod.GET)
    public String sayHello() {
        return "Hello Spring Boot!";
    }

    @RequestMapping(value = "/test", method = RequestMethod.GET)
    public ModelAndView testDemo() {
        // 跟templates文件夹下的test.html名字一样，返回这个界面
        return new ModelAndView("test");
    }

    @RequestMapping(value = "/demo", method = RequestMethod.GET)
    public ModelAndView demo() {
        // 跟templates文件夹下的demo.html名字一样，返回这个界面
        return new ModelAndView("demo");
    }

}

test.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 引入 ECharts 文件 -->
    <script src="js/echarts.min.js"></script>
</head>
<body>
<!-- 为 ECharts 筹备一个具备大小（宽高）的 DOM -->
<div id="main"
     style="width: 600px;height:400px;position:absolute;top:50%;left: 50%;margin-top: -200px;margin-left: -300px;"></div>

<script type="text/javascript">
    // 基于筹备好的dom，初始化 echarts 实例
    var myChart = echarts.init(document.getElementById('mai<strong style="color:transparent">来源gao@daima#com搞(%代@#码网</strong>n'));
    // 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]
        }]
    };
    // 应用刚指定的配置项和数据显示图表。
    myChart.setOption(option);
</script>
</body>
</html>

demo.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Demo</title>
    <!-- 引入 ECharts 文件 -->
    <script src="js/echarts.min.js"></script>
</head>
<body>
<!-- 为 ECharts 筹备一个具备大小（宽高）的 DOM -->
<div id="main"
     style="width: 600px;height:400px;position:absolute;top:50%;left: 50%;margin-top: -200px;margin-left: -300px;"></div>

<script type="text/javascript">
    // 基于筹备好的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: 'Spark Streaming实战课程访问量实时统计',
            subtext: '实战课程拜访次数',
            x: 'center'
        },
        tooltip: {
            trigger: 'item',
            formatter: "{a} <br/>{b} : {c} ({d}%)"
        },
        legend: {
            orient: 'vertical',
            left: 'left',
            data: ['Spark SQL实战', 'Hadoop根底', 'Storm实战', 'Spark Streaming实战', '实践']
        },
        series: [
            {
                name: '拜访次数',
                type: 'pie',
                radius: '55%',
                center: ['50%', '60%'],
                data: [
                    {value: 3350, name: 'Spark SQL实战'},
                    {value: 3100, name: 'Hadoop根底'},
                    {value: 2340, name: 'Storm实战'},
                    {value: 1350, name: 'Spark Streaming实战'},
                    {value: 15480, name: '实践'}
                ],
                itemStyle: {
                    emphasis: {
                        shadowBlur: 10,
                        shadowOffsetX: 0,
                        shadowColor: 'rgba(0, 0, 0, 0.5)'
                    }
                }
            }
        ]
    };
    // 应用刚指定的配置项和数据显示图表。
    myChart.setOption(option);
</script>
</body>
</html>

运行我的项目

1、测试

2、查看 test 页面

3、查看 demo 页面

源码参考

springboot_echarts

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