React + Springboot + Quartz,从0实现Excel报表自动化
<h3 id="一项目背景">一、项目背景</h3><p>企业日常工作中需要制作大量的报表,比如商品的销量、销售额、库存详情、员工打卡信息、保险报销、办公用品采购、差旅报销、项目进度等等,都需要制作统计图表以更直观地查阅。但是报表的制作往往需要耗费大量的时间,即使复用制作好的报表模版,一次次周期性对数据的复制粘贴操作也很耗人,同时模版在此过程中也会逐渐变得面目全非。<br>
基于此,我们需要挖掘数据背后隐藏的关联信息,将人工的常规性操作抽离出来,使用工具和代码去实现,这个过程就称之为报表自动化。文内附前后端demo项目源码,家人们自行下载即可。</p>
<h3 id="二报表自动化的优势">二、报表自动化的优势</h3>
<p>报表自动化带来的价值有哪些呢?<br>
1、节省时间,提高效率<br>
身处信息爆炸的时代,任何一家企业都有体量庞大、结构复杂、各种各样的数据,多类数据交互融合,对其进行分析经常伴随着大量人力资源的消耗。自动化报表通过合理的设计,独立出各个业务功能模块,后续重复引用该模块,实现重复操作的代码复用。<br>
对于固定流程或逻辑的一些操作,计算机的执行速度是人力不可及的,为我们节省了时间,可以投入更有意义的工作。<br>
2、降低出错率<br>
人工操作总是受太多不可控因素影响,存在各种出错的潜在可能。与之相比,自动化意味着通过编码手段实现了持久化的逻辑、流程,经过重复的测试验证之后,便可完全信任该程序。在重复性的工作场景下机器产出的稳定性远高于人工操作。<br>
3、时效性高<br>
日报、周报、月报这种周期性的报表,人为操作很难控制时间的准确性,但是通过代码控制可以最大程度的保证其定点触发操作。</p>
<h3 id="三系统功能点">三、系统功能点</h3>
<ol>
<li>任务配置灵活:支持根据业务需求,通过界面操作控制任务的启停状态,任务对应生成的文件类型等。</li>
<li>报表模版设计自由:业务人员可根据对应任务配置的预览数据自定义报表模版,然后将其保存生效。</li>
<li>前端预览:支持从前端预览报表详情。</li>
<li>定时发送:定时生成报表文件并将其同步到微信群。</li>
<li>支持多种类型:支持Excel、PDF、图表等文件类型的报表格式。</li>
<li>数据自动抽取:动态读取数据库中的数据生成报表。</li>
<li>模版和数据独立存储:使用在线表格设计器编辑模版,存储时只保存模版,数据从数据库加载。</li>
</ol>
<h3 id="四方案设计">四、方案设计</h3>
<h4 id="1整体流程">1、整体流程</h4>
<p>报表自动化的起点是能对接数据源,期间能自动化的生成事先设计好格式的报表,最终通过企业微信自动推送消息。具体流程可以分为3个步骤:<br>
1.报表模版设计<br>
2.对接数据源:从数据库中读取数据,动态适配数据模版。<br>
3.自动化过程实现:利用定时任务,定时捞取数据,借助GcExcel生成对应类型的文件,通过对接企业微信的API,将文件同步到微信群。</p>
<h4 id="2技术栈">2、技术栈</h4>
<p>前端:react+spreadJs<br>
Demo地址:https://gcdn.grapecity.com.cn/forum.php?mod=attachment&aid=MjM4NzkxfDFhNjNlYjc2fDE2NjYyNDUxMjZ8NjI2NzZ8OTk3MTg%3D<br>
后端:Java+GcExcel+mysql+Quartz<br>
Demo地址:<br>
https://gcdn.grapecity.com.cn/forum.php?mod=attachment&aid=MjM4NzkyfGExOWYxNmQzfDE2NjYyNDUxMjZ8NjI2NzZ8OTk3MTg%3D</p>
<h4 id="3具体实现">3、具体实现</h4>
<h5 id="31-数据库表设计">3.1 数据库表设计</h5>
<p>note:此为测试demo,故没有创建主键索引之外的索引。<br>
3.1.1 任务配置列表 task_config<br>
依赖Quartz组件实现定时任务。读取任务配置表中启动状态的任务配置,按照任务类型读取对应数据源的增量更新数据。</p>
<table>
<thead>
<tr>
<th>字段名称</th>
<th>字段类型</th>
<th>字段含义</th>
<th>备注</th>
</tr>
</thead>
<tbody>
<tr>
<td>id</td>
<td>long</td>
<td>ID</td>
<td>自增主键</td>
</tr>
<tr>
<td>task_id</td>
<td>varchar</td>
<td>任务ID</td>
<td></td>
</tr>
<tr>
<td>task_type</td>
<td>varchar</td>
<td>任务类型</td>
<td>和任务内容对应,比如订单/物流单信息</td>
</tr>
<tr>
<td>task_name</td>
<td>varchar</td>
<td>任务名称</td>
<td></td>
</tr>
<tr>
<td>task_status</td>
<td>int</td>
<td>任务状态</td>
<td>1:启动 0:终止只有启动状态的配置才能生成任务信息</td>
</tr>
<tr>
<td>task_context</td>
<td>text</td>
<td>任务内容</td>
<td>模版信息,按照模版绑定数据源</td>
</tr>
<tr>
<td>save_type</td>
<td>char</td>
<td>保存类型</td>
<td>保存文件的类型 excel/PDF</td>
</tr>
<tr>
<td>time_span</td>
<td>int</td>
<td>执行任务的时间间隔</td>
<td>单位s。</td>
</tr>
<tr>
<td>operator</td>
<td>char</td>
<td>操作者</td>
<td>便于追溯</td>
</tr>
<tr>
<td>create_time</td>
<td>dateTime</td>
<td>创建时间</td>
<td></td>
</tr>
<tr>
<td>update_time</td>
<td>dateTime</td>
<td>更新时间</td>
<td></td>
</tr>
</tbody>
</table>
<pre><code>SQL
CREATE TABLE `task_config` (
`id` INT(11) NOT NULL AUTO_INCREMENT COMMENT '自增主键',
`task_id` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '任务ID',
`task_type` VARCHAR(64) DEFAULT NULL DEFAULT '' COMMENT '任务类型',
`task_name` VARCHAR(128) NOT NULL DEFAULT '' COMMENT '任务名称',
`task_status` TINYINT(4) NOT NULL DEFAULT 0 COMMENT '任务状态:1:启动 0:终止',
`task_context` text COMMENT '任务模版信息',
`time_span` TINYINT(4) NOT NULL DEFAULT 0 COMMENT '时间间隔,单位s',
`operator` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '操作人',
`create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
PRIMARY KEY (`id`) USING BTREE
)ENGINE=INNODB DEFAULT CHARSET=UTF8MB4 COMMENT='任务配置表';
</code></pre>
<p>3.1.2订单信息表 order<br>
订单相关数据源信息,对应订单类的报表任务。</p>
<table>
<thead>
<tr>
<th>字段名称</th>
<th>字段类型</th>
<th>字段含义</th>
<th>备注</th>
</tr>
</thead>
<tbody>
<tr>
<td>ID</td>
<td>long</td>
<td>自增ID</td>
<td></td>
</tr>
<tr>
<td>order_id</td>
<td>char</td>
<td>订单号</td>
<td></td>
</tr>
<tr>
<td>order_amount</td>
<td>decimal</td>
<td>订单金额</td>
<td></td>
</tr>
<tr>
<td>order_discount</td>
<td>decimal</td>
<td>订单优惠金额</td>
<td></td>
</tr>
<tr>
<td>shipping_fee</td>
<td>decimal</td>
<td>订单运费</td>
<td></td>
</tr>
<tr>
<td>receiver_name</td>
<td>varchar</td>
<td>下单人姓名</td>
<td></td>
</tr>
<tr>
<td>receiver_state</td>
<td>varchar</td>
<td>省</td>
<td></td>
</tr>
<tr>
<td>receiver_city</td>
<td>varchar</td>
<td>市</td>
<td></td>
</tr>
<tr>
<td>receiver_district</td>
<td>varchar</td>
<td>区</td>
<td></td>
</tr>
<tr>
<td>receiver_address</td>
<td>varchar</td>
<td>详细地址</td>
<td></td>
</tr>
<tr>
<td>create_time</td>
<td>dateTime</td>
<td>创建时间</td>
<td></td>
</tr>
<tr>
<td>update_time</td>
<td>dateTime</td>
<td>更新时间</td>
<td></td>
</tr>
</tbody>
</table>
<pre><code>SQL
CREATE TABLE `order` (
`id` INT(11) NOT NULL AUTO_INCREMENT COMMENT '自增主键',
`order_id` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '订单ID',
`order_amount` DECIMAL DEFAULT NULL DEFAULT 0 COMMENT '订单金额',
`order_discount` DECIMAL DEFAULT NULL DEFAULT 0 COMMENT '订单折扣金额',
`shipping_fee` DECIMAL DEFAULT NULL DEFAULT 0 COMMENT '运费',
`receiver_name` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '收件人姓名',
`receiver_state` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '省',
`receiver_city` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '市',
`receiver_district` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '区',
`receiver_address` VARCHAR(128) NOT NULL DEFAULT '' COMMENT '详细地址',
`create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
PRIMARY KEY (`id`) USING BTREE
)ENGINE=INNODB DEFAULT CHARSET=UTF8MB4 COMMENT='订单表';
</code></pre>
<p>3.1.3 发货单表 waybill<br>
发货单相关数据源信息,对应发货单类的报表任务。</p>
<table>
<thead>
<tr>
<th>字段名称</th>
<th>字段类型</th>
<th>字段含义</th>
<th>备注</th>
</tr>
</thead>
<tbody>
<tr>
<td>ID</td>
<td>long</td>
<td>自增ID</td>
<td></td>
</tr>
<tr>
<td>order_id</td>
<td>char</td>
<td>订单号</td>
<td></td>
</tr>
<tr>
<td>waybill_id</td>
<td>char</td>
<td>物流单号ID</td>
<td></td>
</tr>
<tr>
<td>express_sn</td>
<td>varchar</td>
<td>物流编号</td>
<td></td>
</tr>
<tr>
<td>express_name</td>
<td>varchar</td>
<td>物流公司</td>
<td></td>
</tr>
<tr>
<td>receiver_name</td>
<td>varchar</td>
<td>下单人姓名</td>
<td></td>
</tr>
<tr>
<td>receiver_state</td>
<td>varchar</td>
<td>省</td>
<td></td>
</tr>
<tr>
<td>receiver_city</td>
<td>varchar</td>
<td>市</td>
<td></td>
</tr>
<tr>
<td>receiver_district</td>
<td>varchar</td>
<td>区</td>
<td></td>
</tr>
<tr>
<td>receiver_address</td>
<td>varchar</td>
<td>详细地址</td>
<td></td>
</tr>
<tr>
<td>out_time</td>
<td>dateTime</td>
<td>发货时间</td>
<td></td>
</tr>
<tr>
<td>create_time</td>
<td>dateTime</td>
<td>创建时间</td>
<td></td>
</tr>
<tr>
<td>update_time</td>
<td>dateTime</td>
<td>更新时间</td>
<td></td>
</tr>
</tbody>
</table>
<pre><code>SQL
CREATE TABLE `waybill` (
`id` INT(11) NOT NULL AUTO_INCREMENT COMMENT '自增主键',
`order_id` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '订单ID',
`waybill_id` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '发货单ID',
`express_sn` VARCHAR(128) DEFAULT NULL DEFAULT '' COMMENT '物流单号',
`express_name` VARCHAR(64) DEFAULT NULL DEFAULT '' COMMENT '物流公司名称',
`receiver_name` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '收件人姓名',
`receiver_state` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '省',
`receiver_city` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '市',
`receiver_district` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '区',
`receiver_address` VARCHAR(128) NOT NULL DEFAULT '' COMMENT '详细地址',
`out_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '发货时间',
`create_time` DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`update_time` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
PRIMARY KEY (`id`) USING BTREE
)ENGINE=INNODB DEFAULT CHARSET=UTF8MB4 COMMENT='发货单表';
</code></pre>
<h5 id="32-功能拆解">3.2 功能拆解</h5>
<p>1、前端实现<br>
前端使用React框架,嵌入了SpreadJS组件,初始化时从后端读取任务配置列表数据并展示。可从前端配置任务规则,主要是配置模版信息。</p>
<p>2、后端<br>
后端是一个SpringBoot项目,嵌入GcExcel组件对编辑、导出等操作,同时借助Quartz定时任务调度框架实现定时任务的管理,并接入了企业微信暴露的群机器人消息对接API,发送消息到企业微信群。<br>
定时任务调度框架quartz<br>
Quartz的三个核心概念:调度器、任务、触发器,三者之间的关系是:<br>
一个作业,比较重要的三个要素就是Scheduler,JobDetail,Trigger;而Trigger对于Job而言就好比一个驱动器,没有触发器来定时驱动作业,作业就无法运行;对于Job而言,一个Job可以对应多个Trigger,但对于Trigger而言,一个Trigger只能对应一个Job,所以一个Trigger只能被指派给一个Job;如果你需要一个更复杂的触发计划,可以创建多个Trigger并指派它们给同一个Job。</p>
<p><img src="https://img2022.cnblogs.com/blog/139239/202210/139239-20221020145833500-408783716.png" alt="" loading="lazy"></p>
<p>调度器的主要API</p>
<pre><code>Java
//绑定jobDetail与trigger
scheduler.scheduleJob(jobDetail, trigger);
//检查JobDetail是否存在
scheduler.checkExists(JobKey.jobKey(name, group))
//检查Trigger是否存在
scheduler.checkExists(TriggerKey.triggerKey(name, group))
//删除jobDetail
scheduler.deleteJob(JobKey.jobKey(name, group))
//立即执行一次指定的任务
scheduler.triggerJob(JobKey.jobKey(name, group), dataMap)
//启动任务调度
scheduler.start();
//暂停指定的job
scheduler.pauseJob(jobKey);
//任务调度挂起,即暂停操作
scheduler.standby();
//关闭任务调度,同shutdown(false)
scheduler.shutdown();
//表示等待所有正在执行的Job执行完毕之后,再关闭Scheduler
scheduler.shutdown(true);
// 表示直接关闭Scheduler
scheduler.shutdown(false);
</code></pre>
<p>定时任务出发规则:<br>
1、使用cron表达式 定时发送</p>
<pre><code>Java
Trigger trigger = TriggerBuilder.newTrigger()
.withIdentity("trigger1", "group1")
.withSchedule(CronScheduleBuilder.cronSchedule("0/5 * * * * ?"))// 日历
.build();
</code></pre>
<p>2、使用simpleTrigger触发器<br>
为那种需要在特定的日期/时间启动,且以一个可能的间隔时间重复执行 n 次的 Job 所设计的。</p>
<pre><code>JavaScript
//立即开始执行,2秒执行一次,重复3次,3秒后结束执行(当重复次数或者结束时间有一个先达到时,就会停止执行)
Trigger trigger = TriggerBuilder.newTrigger()
.withIdentity("trigger1", "triggerGroup1")
.startNow()
.withSchedule(SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(2).withRepeatCount(3))
.endAt(new Date(new Date().getTime() + 3000L))
.build();
</code></pre>
<h3 id="五效果演示">五、效果演示</h3>
<h4 id="使用步骤说明">使用步骤说明:</h4>
<p>整个页面布局可以分为两大部分,上半部分为从数据库中读取的任务配置列表,下半部分为SpreadJS的Designer模块。在前端配置任务规则后,后端服务会读取具体的任务配置信息,调度任务进行生产。整个操作可以分为以下几个步骤:<br>
1)、读取任务配置数据到React表格中。<br>
2)、选中特定的任务配置项,读取对应数据源的数据到Worksheet中展示。<br>
3)、编辑报表任务模版并保存。<br>
由于json文件是存储在mysql数据库表中的一个字段中,若字段太大会导致溢出且影响性能,故仅保存样式,后端进行数据源动态查询去适配生成报表。<br>
一个完整的json对象示例如下所示:</p>
<pre><code>JSON
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</code></pre>
<p>更多纯前端表格在线demo示例 :https://demo.grapecity.com.cn/spreadjs/gc-sjs-samples/index.html<br>
移动端示例(可扫码体验):http://demo.grapecity.com.cn/spreadjs/mobilesample/</p>
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<!--p style="font-size: 16px; font-family: 微软雅黑, 黑体, Arial; color: #000">了解企业级低代码开发平台,请前往活字格
</p><p style="font-size: 16px; font-family: 微软雅黑, 黑体, Arial; color: #000">了解可嵌入您系统的在线 Excel,请前往SpreadJS纯前端表格控件</p>
<p style="font-size: 16px; font-family: 微软雅黑, 黑体, Arial; color: #000">了解嵌入式的商业智能和报表软件,请前往Wyn Enterprise
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来源:https://www.cnblogs.com/powertoolsteam/p/16809948.html
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