复杂Excel模版定义

模版示例:
复杂Excel模版定义

Demo Excel样例

代码示例:

@Model.model(TestApply.MODEL_MODEL)
@Model(displayName = "测试申请")
public class TestApply extends IdModel {

    public static final String MODEL_MODEL = "top.TestApply";

    @Field.String
    @Field(displayName = "发件人")
    private String addresser;

    @Field.String
    @Field(displayName = "委托单位")
    private String entrustedUnit;

    @Field.String
    @Field(displayName = "付款单位")
    private String payer;

    @Field.String
    @Field(displayName = "付款单位地址")
    private String paymentUnitAdd;
}

模版:

package pro.shushi.pamirs.top.core.temp;

import org.springframework.stereotype.Component;
import pro.shushi.pamirs.file.api.builder.SheetDefinitionBuilder;
import pro.shushi.pamirs.file.api.builder.WorkbookDefinitionBuilder;
import pro.shushi.pamirs.file.api.enmu.ExcelAnalysisTypeEnum;
import pro.shushi.pamirs.file.api.enmu.ExcelDirectionEnum;
import pro.shushi.pamirs.file.api.enmu.ExcelHorizontalAlignmentEnum;
import pro.shushi.pamirs.file.api.model.ExcelWorkbookDefinition;
import pro.shushi.pamirs.file.api.util.ExcelHelper;
import pro.shushi.pamirs.file.api.util.ExcelTemplateInit;
import pro.shushi.pamirs.top.api.model.TestApply;

import java.util.Collections;
import java.util.List;

@Component
public class DemoTemplate implements ExcelTemplateInit {

    public static final String TEMPLATE_NAME = "DemoTemplate";

    @Override
    public List<ExcelWorkbookDefinition> generator() {
        WorkbookDefinitionBuilder builder = WorkbookDefinitionBuilder.newInstance(TestApply.MODEL_MODEL, TEMPLATE_NAME)
                .setDisplayName("测试Demo");

        DemoTemplate.createSheet(builder);

        return Collections.singletonList(builder.build());
    }

    private static void createSheet(WorkbookDefinitionBuilder builder) {
        SheetDefinitionBuilder sheetBuilder = builder.createSheet().setName("测试Demo");

        buildBasicInfo(sheetBuilder);

    }

    private static void buildBasicInfo(SheetDefinitionBuilder builder) {
        //A1:D8:表示表头占的单元格数,范围必须大于实际表头行
        BlockDefinitionBuilder mergeRange = builder.createBlock(TestApply.MODEL_MODEL, ExcelAnalysisTypeEnum.FIXED_HEADER, ExcelDirectionEnum.HORIZONTAL, "A1:D8")
                //预设行
                .setPresetNumber(10)
                //合并哪几个单元格
                .createMergeRange("A1:D1")
                .createMergeRange("A2:D2")
                .createMergeRange("A3:D3")
                .createMergeRange("A4:A6")
                .createMergeRange("B4:B6")
                .createMergeRange("C4:C6")
                .createMergeRange("D4:D5");

                //createHeader创建行,createCell创建单元格,setField指定解析字段,setIsConfig指定为true标记该行是需要解析的值
                mergeRange.createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle()).setIsConfig(Boolean.TRUE)
                .createCell().setField("addresser").setStyleBuilder(ExcelHelper.createDefaultStyle().setWidth(6000)).and()
                .createCell().setField("entrustedUnit").and()
                .createCell().setField("payer").and()
                .createCell().setField("paymentUnitAdd").and()
                .and()

                .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle(typeface -> typeface.setBold(Boolean.TRUE)).setHorizontalAlignment(ExcelHorizontalAlignmentEnum.CENTER))
                .createCell().setValue("Demo").and()
                .createCell().and()
                .createCell().and()
                .createCell().and()
                .and()

                //由于该行合并为一个单元格,所以其他可以不设置value
                .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle(typeface -> typeface.setBold(Boolean.TRUE)).setHorizontalAlignment(ExcelHorizontalAlignmentEnum.CENTER))
                .createCell().setValue("生效金额").and()
                .createCell().and()
                .createCell().and()
                .createCell().and()
                .and()

                .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle(typeface -> typeface.setBold(Boolean.TRUE)).setHorizontalAlignment(ExcelHorizontalAlignmentEnum.RIGHT))
                .createCell().setValue("金额单位:元").and()
                .createCell().and()
                .createCell().and()
                .createCell().and()
                .and()

                //easyExcel解析不了空行,所以这里写上值。由于上面使用createMergeRange把单元格合并了,并且D列有分割,这里填上每个单元格的值,把合并的单元格填为一样的。
                .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle(typeface -> typeface.setBold(Boolean.TRUE)).setHorizontalAlignment(ExcelHorizontalAlignmentEnum.CENTER))
                .createCell().setValue("发件人").and()
                .createCell().setValue("委托单位").and()
                .createCell().setValue("付款单位").and()
                .createCell().setValue("地址").and()
                .and()
                .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle(typeface -> typeface.setBold(Boolean.TRUE)).setHorizontalAlignment(ExcelHorizontalAlignmentEnum.CENTER))
                .createCell().setValue("发件人").and()
                .createCell().setValue("委托单位").and()
                .createCell().setValue("付款单位").and()
                .createCell().setValue("地址").and()
                .and()
                .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle(typeface -> typeface.setBold(Boolean.TRUE)).setHorizontalAlignment(ExcelHorizontalAlignmentEnum.CENTER))
                .createCell().setValue("发件人").and()
                .createCell().setValue("委托单位").and()
                .createCell().setValue("付款单位").and()
                .createCell().setValue("付款单位地址").and()
                .and()

                .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle(typeface -> typeface.setBold(Boolean.TRUE)).setHorizontalAlignment(ExcelHorizontalAlignmentEnum.CENTER))
                .createCell().setValue("合计").and()
                .createCell().and()
                .createCell().and()
                .createCell();
    }

}

注意:链式调用不可以太长,如果太长可以使用参数接一下,否则在编译时可能会导致栈溢出。

Oinone社区 作者:yexiu原创文章,如若转载,请注明出处:https://doc.oinone.top/dai-ma-shi-jian/19462.html

访问Oinone官网:https://www.oinone.top获取数式Oinone低代码应用平台体验

Like (1)
yexiu's avataryexiu数式员工
Previous 2024年11月14日 am10:11
Next 2024年11月19日 pm10:23

相关推荐

  • Oinone登录扩展:对接SSO(适应于4.7.8及之后的版本)

    适配版本 4.7.8及其之后的版本 概述 在企业内部,对于已有一套完整的登录系统(SSO)的情况下,通常会要求把所有的系统都对接到SSO中;本文主要讲解用Oinone开发的项目对接SSO的具体实现。 对接步骤 1、项目自定义实现UserCookieLogin,可参考示例说明: pro.shushi.pamirs.user.api.login.UserCookieLoginFree 2、对接SSO示例 对接流程说明: 1)【必须】从请求头Header或者Query中获取到token; 2)【必须】去SSO服务端验证token的有效性; 3)【可选】根据token去服务端获取用户信息;如果token可以直接反解析出用户信息,则该步骤忽略; 4)【可选】根据实际情况用户信息是否进行DB的存储; 5)【必须】验证token有效后,生成Session和Cookie(即token换cookie); 注意超时时间需要 <= SSO服务端token失效时间。 package pro.shushi.pamirs.demo.core.sso; import com.alibaba.fastjson.JSON; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.core.annotation.Order; import org.springframework.data.redis.core.RedisTemplate; import org.springframework.stereotype.Component; import org.springframework.web.context.request.RequestContextHolder; import org.springframework.web.context.request.ServletRequestAttributes; import pro.shushi.pamirs.demo.core.sso.constant.HttpConstant; import pro.shushi.pamirs.demo.core.sso.constant.SessionUserTypeEnum; import pro.shushi.pamirs.demo.core.sso.model.ApiCommonTransient; import pro.shushi.pamirs.demo.core.sso.model.PermissionInfoResp; import pro.shushi.pamirs.demo.core.sso.utils.AuthenticateUtils; import pro.shushi.pamirs.meta.annotation.fun.extern.Slf4j; import pro.shushi.pamirs.meta.api.dto.model.PamirsUserDTO; import pro.shushi.pamirs.meta.api.session.PamirsSession; import pro.shushi.pamirs.meta.common.exception.PamirsException; import pro.shushi.pamirs.meta.common.spring.BeanDefinitionUtils; import pro.shushi.pamirs.resource.api.enmu.UserSignUpType; import pro.shushi.pamirs.user.api.cache.UserCache; import pro.shushi.pamirs.user.api.constants.UserConstant; import pro.shushi.pamirs.user.api.enmu.UserExpEnumerate; import pro.shushi.pamirs.user.api.enmu.UserLoginTypeEnum; import pro.shushi.pamirs.user.api.login.IUserLoginChecker; import pro.shushi.pamirs.user.api.login.UserCookieLogin; import pro.shushi.pamirs.user.api.login.UserCookieLoginSimple; import pro.shushi.pamirs.user.api.model.PamirsUser; import pro.shushi.pamirs.user.api.model.tmodel.PamirsUserTransient; import pro.shushi.pamirs.user.api.service.UserService; import pro.shushi.pamirs.user.api.utils.CookieUtil; import javax.servlet.http.HttpServletResponse; /** * * @author shushi * * 完全自定义login的过程 * 需要实现登陆部分login 以及拦截部分fetchUserIdByReq * 如果fetchUserIdByReq返回值为null的时候 将会被拦截 */ @Slf4j @Order(0) @Component public class DemoUserSSOCookieLogin extends UserCookieLogin<PamirsUser> { //刷新令牌 private static String REFRESH_TOKEN = "refreshToken"; //系统id private static String CLIENT_ID = "client-id"; //访问令牌 private static String AUTHORIZATION = "Authorization"; private IUserLoginChecker checker; @Autowired private UserService userService; @Autowired private RedisTemplate<String, String> redisTemplate; @Override public String type() { return UserLoginTypeEnum.COOKIE.value(); } @Override public PamirsUser resolveAndVerification(PamirsUserTransient user) { if (checker == null) { checker = BeanDefinitionUtils.getBean(IUserLoginChecker.class); } return checker.check4login(user); } /** * 重写登录拦截功能 * 该函数主要作用,通过三方权限校验. * @return */ // 版本升级需要修改 @Override public PamirsUserDTO fetchUserIdByReq() { String sessionId =…

    2024年4月2日
    2.4K00
  • Nacos做为注册中心:如何调用其他系统的SpringCloud服务?

    Oinone项目引入Nacos作为注册中心,调用外部的SpringCloud服务 Nacos可以做为注册中心,提供给Dubbo和SpringCloud等微服务框架使用。 目前Oinone的底层使用的是Dubbo进行微服务的默认协议调用,但是我们项目如果存在需要调用其他系统提供的SpringCloud服务,Oinone其实并没有限制大家去这么写代码。 可以参考Nacos或SpringCloud的官方文档,只要不存在Jar包冲突等场景,很多的扩展其实大家都可以使用。 注意!!!Nacos、SpringCloud、SpringCloudAlibaba是有依赖版本严格要求的:点击查看 具体示例: 一、项目中增加依赖 主pom引入兼容的版本: <dependencyManagement> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-alibaba-dependencies</artifactId> <version>2.2.7.RELEASE</version> <!– 目前兼容的版本 –> <type>pom</type> <scope>import</scope> </dependency> </dependencyManagement> 使用模块的pom引入依赖: <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-openfeign</artifactId> </dependency> 二、 配置 application.yml spring: cloud: nacos: discovery: server-addr: localhost:8848 username: nacos password: nacos 三、启动类添加注解 @EnableDiscoveryClient @EnableFeignClients public class NacosConsumerApplication { public static void main(String[] args) { SpringApplication.run(NacosConsumerApplication.class, args); } } 四、验证 创建 Feign Client 接口 import org.springframework.cloud.openfeign.FeignClient; import org.springframework.web.bind.annotation.GetMapping; @FeignClient(name = "nacos-demo") // 指定目标服务的名称 public interface ProviderClient { @GetMapping("/hello") String hello(); } 创建 Controller 调用 Feign Client @RestController public class ConsumerController { private final ProviderClient providerClient; public ConsumerController(ProviderClient providerClient) { this.providerClient = providerClient; } @GetMapping("/hello") public String hello() { return providerClient.hello(); } } 在浏览器中访问 http://localhost:8082/hello你应该会看到服务提供者返回的响应。

    2024年6月4日
    3.3K00
  • mybatis拦截器的使用

    场景:自定义拦截器做数据的加解密。 注册自定义拦截器 @Configuration public class MyBatisConfig { // TODO: 注册自定义拦截器 @Bean @Order(999) public EncryptionInterceptor encryptionInterceptor() { return new EncryptionInterceptor(); } } 使用mybatis拦截器拦截查询。 @Intercepts({ @Signature(type = Executor.class, method = "update", args = {MappedStatement.class, Object.class}), @Signature(type = Executor.class, method = "query", args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class}) }) public class EncryptionInterceptor implements Interceptor { @Autowired private EncryptionConfig encryptionConfig; @Override public Object intercept(Invocation invocation) throws Throwable { Object[] args = invocation.getArgs(); MappedStatement ms = (MappedStatement) args[0]; Object parameter = args[1]; // 判断操作类型是insert, update 或 delete if (ms.getSqlCommandType().equals(SqlCommandType.INSERT) || ms.getSqlCommandType().equals(SqlCommandType.UPDATE) || ms.getSqlCommandType().equals(SqlCommandType.DELETE)) { // TODO: 加密字段 encryptFields(parameter); } else if (ms.getSqlCommandType().equals(SqlCommandType.SELECT)) { // TODO: 查询操作,在执行后需要对结果进行解密 Object result = invocation.proceed(); List<EncryptionConfig.Models> models = encryptionConfig.getModels(); for (EncryptionConfig.Models model : models) { if (judgmentModel(parameter, model)) { decryptFields(result); } } return result; } return invocation.proceed(); } private Boolean judgmentModel(Object parameter, EncryptionConfig.Models model) { MetaObject metaObject = SystemMetaObject.forObject(parameter); if (metaObject.getOriginalObject() instanceof MapperMethod.ParamMap) { if (metaObject.hasGetter("ew")) { Object param1 = metaObject.getValue("ew"); if (param1 != null) { Object originalObject = SystemMetaObject.forObject(param1).getOriginalObject(); if (originalObject instanceof QueryWrapper) { DataMap entity = (DataMap) ((QueryWrapper<?>) originalObject).getEntity(); if (entity != null) { Object modelFieldName = entity.get(FieldConstants._d_modelFieldName);…

    2024年12月2日
    1.8K00
  • Excel添加水印功能

    实现ExcelWriteHandlerExtendApi接口从而实现对Excel增加复杂功能的操作。如添加水印。具体实现请自行百度 /** * 根据上下文判断是否执行 * * @param context Excel定义上下文 * @return 是否执行该扩展 */ boolean match(ExcelDefinitionContext context); /** * 构建出一个WriteWorkbook对象,即一个工作簿对象,对应的是一个Excel文件; * * @param builder 可用于设置inMemory=true实现复杂功能(如添加水印) */ default void extendBuilder(ExcelWriterBuilder builder) { } 例:Excel添加水印 本例参考文章:Java使用EasyExcel导出添加水印 实现ExcelWriteHandlerExtendApi接口,并添加@Component注解 添加依赖包 <!– eaysexcel –> <dependency> <groupId>com.alibaba</groupId> <artifactId>easyexcel</artifactId> <version>3.3.2</version> </dependency> <!– poi 添加水印 –> <dependency> <groupId>org.apache.poi</groupId> <artifactId>ooxml-schemas</artifactId> <version>1.4</version> </dependency> <!– 使用了hutool的工具类 –> <dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>5.8.20</version> </dependency> package pro.shushi.pamirs.top.core.temp; import cn.hutool.core.img.ImgUtil; import com.alibaba.excel.write.builder.ExcelWriterBuilder; import com.alibaba.excel.write.metadata.holder.WriteSheetHolder; import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder; import org.apache.poi.openxml4j.opc.PackagePartName; import org.apache.poi.openxml4j.opc.PackageRelationship; import org.apache.poi.openxml4j.opc.TargetMode; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.xssf.usermodel.XSSFPictureData; import org.apache.poi.xssf.usermodel.XSSFRelation; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import org.springframework.stereotype.Component; import pro.shushi.pamirs.file.api.context.ExcelDefinitionContext; import pro.shushi.pamirs.file.api.easyexcel.ExcelWriteHandlerExtendApi; import java.awt.*; import java.awt.image.BufferedImage; @Component public class CustomWaterMarkHandler implements ExcelWriteHandlerExtendApi { private final WaterMark watermark; public CustomWaterMarkHandler() { this.watermark = new WaterMark().setContent("ABC"); } @Override public void extendBuilder(ExcelWriterBuilder builder) { builder.inMemory(true); } @Override public boolean match(ExcelDefinitionContext context) { return DemoTemplate.TEMPLATE_NAME.equals(context.getName()); } @Override public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) { try { BufferedImage bufferedImage = createWatermarkImage(); setWaterMarkToExcel((XSSFWorkbook) writeWorkbookHolder.getWorkbook(), bufferedImage); } catch (Exception e) { throw new RuntimeException("添加水印出错",e); } } private BufferedImage createWatermarkImage() { final Font font = watermark.getFont(); final int width = watermark.getWidth(); final int height = watermark.getHeight(); String[] textArray…

    2024年9月6日
    2.7K00
  • 蓝绿发布

    背景 应用程序升级面临最大挑战是新旧业务切换,将软件从测试的最后阶段带到生产环境,同时要保证系统不间断提供服务。长期以来,业务升级渐渐形成了几个发布策略:蓝绿发布、灰度发布和滚动发布,目的是尽可能避免因发布导致的流量丢失或服务不可用问题。 本文主要介绍Oinone平台如何实现蓝绿发布。蓝绿发布:项目逻辑上分为AB组,在项目系统时,首先把A组从负载均衡中摘除,进行新版本的部署。B组仍然继续提供服务。 需求 统一权限统一登录信息不同业务数据 实现方案 首先需要两个环境并统一流量入口,这里使用Nginx配置负载均衡:nginx如何配置后端服务的负载均衡 统一权限配置 在蓝绿环境添加不同的redis前缀 spring: redis: prefix: xxx 在蓝绿环境的修改AuthRedisTemplate Bean,利用setKeySerializer去掉redis前缀。 可以使用@Profile注解指定仅线上环境生效。 @Configuration // @Profile("prod") public class AuthRedisTemplateConfig { @Bean(AuthConstants.REDIS_TEMPLATE_BEAN_NAME) public AuthRedisTemplate<?> authRedisTemplate( RedisConnectionFactory redisConnectionFactory, PamirsStringRedisSerializer pamirsStringRedisSerializer ) { AuthRedisTemplate<Object> template = new AuthRedisTemplate<Object>(redisConnectionFactory, pamirsStringRedisSerializer) { @Override public void afterPropertiesSet() { // 重写 key serializer,去掉前缀隔离 this.setKeySerializer(new PamirsStringRedisSerializer(null)); super.afterPropertiesSet(); } }; return template; } } 统一登录 在蓝绿环境自定义实现pro.shushi.pamirs.user.api.spi.UserCacheApi SPI,去除redis前缀 package pro.shushi.pamirs.top.core.spi; import com.alibaba.fastjson.JSON; import com.google.common.collect.Sets; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.core.annotation.Order; import org.springframework.dao.DataAccessException; import org.springframework.data.redis.core.RedisOperations; import org.springframework.data.redis.core.SessionCallback; import org.springframework.stereotype.Component; import org.springframework.web.context.request.RequestContextHolder; import pro.shushi.pamirs.auth.api.cache.redis.AuthRedisTemplate; import pro.shushi.pamirs.meta.api.dto.model.PamirsUserDTO; import pro.shushi.pamirs.meta.api.dto.protocol.PamirsRequestVariables; import pro.shushi.pamirs.meta.api.session.PamirsSession; import pro.shushi.pamirs.meta.common.spi.SPI; import pro.shushi.pamirs.user.api.cache.UserCache; import pro.shushi.pamirs.user.api.configure.UserConfigure; import pro.shushi.pamirs.user.api.spi.UserCacheApi; import java.net.URI; import java.util.Collections; import java.util.List; import java.util.Optional; import java.util.Set; import java.util.concurrent.TimeUnit; @Order(1) @Component @SPI.Service("MyUserCache") public class MyUserCache implements UserCacheApi { private static final Set<String> DEFAULT_FILTER_URIS = Collections.singleton("/pamirs/message"); @Autowired private AuthRedisTemplate redisTemplate; @Override public PamirsUserDTO getSessionUser(String key) { String objectValue = getUserCacheAndRenewed(key); if (StringUtils.isNotBlank(objectValue)) { return JSON.parseObject(objectValue, PamirsUserDTO.class); } return null; } @Override public void setSessionUser(String key, PamirsUserDTO user, Integer expire) { user.setPassword(null); expire = getExpire(expire); redisTemplate.opsForValue().set(key.replace("'", " "), JSON.toJSONString(user), expire, TimeUnit.SECONDS); // 当前的实现是一个user可以在多个客户端登录,需要在管理端修改user权限后强制清除掉该用户已登录的session,所以需要记录uid对应所有已登录的sessionId String userRelSessionKey = UserCache.createUserRelSessionKey(user.getUserId()); redisTemplate.opsForSet().add(userRelSessionKey, key); redisTemplate.expire(userRelSessionKey,…

    2025年9月18日
    1.1K00

Leave a Reply

Please Login to Comment