导入以下依赖
org.projectlombok
lombok
true
org.springframework.boot
spring-boot-starter-data-jpa
mysql
mysql-connector-java
org.springframework.boot
spring-boot-starter-web
org.springframework.boot
spring-boot-starter-test
test
org.junit.vintage
junit-vintage-engine
org.springframework.boot
spring-boot-starter-thymeleaf
org.projectlombok
lombok
1.18.10
配置yml文件
spring:
thymeleaf:
prefix: classpath:/templates/
suffix: .html
mode: HTML5
encoding: UTF-8
cache: false
resources:
chain:
strategy:
content:
enabled: true
paths: /**
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/echarts?useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
password: root
username: root
server:
port: 8787
下载echarts插件
地址:https://www.echartsjs.com/zh/download.html
将echarts.min.js文件加入到static下
entity层
树状图的表
@Data
@Entity
@Table(name = "table1")
public class Table1 implements Serializable {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Column(name = "id")
private Integer id;
@Column(name = "name")
private String name;
@Column(name = "num")
private Integer num;
}
饼状图表
@Data
@Entity
@Table(name = "table2")
public class Table2 implements Serializable {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Column(name = "id")
private Integer id;
@Column(name = "name")
private String name;
@Column(name = "value")
private Integer value;
}
dao层
树状图dao层
package com.fz.webspark.dao;
import com.fz.webspark.entity.Table1;
import org.springframework.data.jpa.repository.JpaRepository;
public interface Table1Dao extends JpaRepository {
}
饼状图dao层
package com.fz.webspark.dao;
import com.fz.webspark.entity.Table2;
import org.springframework.data.jpa.repository.JpaRepository;
public interface Table2Dao extends JpaRepository {
}
service层
树状图Service
package com.fz.webspark.service;
import com.fz.webspark.dao.Table1Dao;
import com.fz.webspark.entity.Table1;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
@Service
@Transactional
public class Table1Service {
@Autowired
Table1Dao table1Dao;
public List findAll(){
return table1Dao.findAll();
}
}
饼状图service
package com.fz.webspark.service;
import com.fz.webspark.dao.Table2Dao;
import com.fz.webspark.entity.Table2;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
@Service
@Transactional
public class Table2Service {
@Autowired
Table2Dao table2Dao;
public List findAll(){
return table2Dao.findAll();
}
}
controller层
HelloSpringBoot.java
package com.fz.webspark.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;
@RestController
public class HelloSpringBoot {
@RequestMapping(value="/hello",method = RequestMethod.GET)
public String sayHello(){
return "Hello Spring Boot!";
}
@RequestMapping(value="/first",method = RequestMethod.GET)
public ModelAndView firstDemo(){
return new ModelAndView("test");//跟templates文件夹下的test.html名字一样,返回这个界面
}
@RequestMapping(value="/courseClickCount",method = RequestMethod.GET)
public ModelAndView courseClickCountStat(){
return new ModelAndView("demo");//跟templates文件夹下的demo.html名字一样,返回这个界面
}
}
Table1Controller
package com.fz.webspark.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;
@RestController
public class HelloSpringBoot {
@RequestMapping(value="/hello",method = RequestMethod.GET)
public String sayHello(){
return "Hello Spring Boot!";
}
@RequestMapping(value="/first",method = RequestMethod.GET)
public ModelAndView firstDemo(){
return new ModelAndView("test");//跟templates文件夹下的test.html名字一样,返回这个界面
}
@RequestMapping(value="/courseClickCount",method = RequestMethod.GET)
public ModelAndView courseClickCountStat(){
return new ModelAndView("demo");//跟templates文件夹下的demo.html名字一样,返回这个界面
}
}
Table2Contoller
package com.fz.webspark.controller;
import com.fz.webspark.entity.Table2;
import com.fz.webspark.service.Table2Service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
public class Table2Controller {
@Autowired
Table2Service table2Service;
@RequestMapping("/lastApi")
public List<Table2> findAll(){
return table2Service.findAll();
}
}
html
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 准备一个具备大小(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 src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<script type="text/javascript">
var option;
var arr1=[]
var arr2=[]
// 基于准备好的dom,初始化echarts实例
var myChart = echarts.init(document.getElementById('main'));//main是的id
// 指定图表的配置项和数据
$.get("firstApi",function (result) {
$.each(result,function (index,item) {
arr1.push(item.name);
arr2.push(item.num);
})
option = {
title: {
text: '长沙市市长竞选榜'
},
tooltip: {},
legend: {
data:['票数']
},
xAxis: {
data: arr1
},
yAxis: {},
series: [{
name: '票数',
type: 'bar',
data: arr2
}]
};
// 使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 准备一个具备大小(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 src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<script type="text/javascript">
var option;
var arr1=[]
var arr2=[]
// 基于准备好的dom,初始化echarts实例
var myChart = echarts.init(document.getElementById('main'));//main是的id
// 指定图表的配置项和数据
$.get("lastApi",function(result){
arr1=result;
$.each(result,function (index,item) {
arr2.push(item.name);
})
option={
title : {
text: '网络游戏热度统计',
subtext: '游戏获得的票数',
x:'center'
},
tooltip : {
trigger: 'item',
formatter: "{a}
{b} : {c} ({d}%)"
},
legend: {
orient: 'vertical',
left: 'left',
data: arr2
},
series : [
{
name: '票数数',
type: 'pie',
radius : '55%',
center: ['50%', '60%'],
data:arr1,
itemStyle: {
emphasis: {
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(0, 0, 0, 0.5)'
}
}
}
]
};
myChart.setOption(option);
})
// 使用刚指定的配置项和数据显示图表。
</script>
</body>
</html>