Springboot+poi+thymeleaf 做导入导出用echarts.js做饼状图和树形图

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已于 2022-11-29 15:48:33 修改 · 2.3k 阅读

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#spring boot #echarts #java

于 2022-11-29 12:06:26 首次发布

本文介绍了如何使用SpringBoot结合poi库进行Excel的导入导出，同时利用Thymeleaf和echarts.js生成饼状图和树形图。详细步骤包括创建SpringBoot项目、配置pom和yml，编写Controller、实体类和服务层代码，重点在于Util工具类中处理Excel的代码，以及设计HTML页面展示图表。最后展示了数据库交互和实际操作界面的效果。

创建一个SpringBoot项目

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项目架构

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pom文件和yml配置



server:
  port: 8081

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/club?serverTimezone=Asia/Shanghai
    username: root
    password: 123456

  thymeleaf:
    mode: HTML5
    cache: false
    suffix: .html
    prefix: classpath:/templates/
  main:
    allow-bean-definition-overriding: true
mybatis:
  mapper-locations: classpath:/mapper/*.xml
  type-aliases-package: com.cskt.springbootexcel.entity

logging:
  level:
    com.cskt.springbootexcel.mapper: trace

<?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>2.7.6</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.cskt</groupId>
    <artifactId>SpringBootExcel</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>SpringBootExcel</name>
    <description>SpringBootExcel</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>

        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>4.1.1</version>
        </dependency>


        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.2.2</version>
        </dependency>

        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                    <include>**/*.properties</include>
                </includes>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*</include>
                </includes>
            </resource>
        </resources>

        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>