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• 后端

  如何自定义SQL(Mapper)语句

  场景描述 在实际业务场景中，存在复杂SQL的情况，具体表现为： 单表单SQL满足不了的情况下 有复杂的Join关系或者子查询 复杂SQL的逻辑通过程序逻辑难以实现或实现代价较大 在此情况下，通过原生的mybatis/mybatis-plus, 自定义Mapper的方式实现业务功能 1、编写所需的Mapper SQL Mapper写法无限制，与使用原生的mybaits/mybaits-plus用法一样； Mapper(DAO)和SQL可以写在一个文件中，也分开写在两个文件中。 package pro.shushi.pamirs.demo.core.map; import org.apache.ibatis.annotations.Mapper; import org.apache.ibatis.annotations.Param; import org.apache.ibatis.annotations.Select; import java.util.List; import java.util.Map; @Mapper public interface DemoItemMapper { @Select("<script>select sum(item_price) as itemPrice,sum(inventory_quantity) as inventoryQuantity,categoryId from ${demoItemTable} as core_demo_item ${where} group by category_id</script>") List<Map<String, Object>> groupByCategoryId(@Param("demoItemTable") String pamirsUserTable, @Param("where") String where); } 2.调用mapper 调用Mapper代码示例 package pro.shushi.pamirs.demo.core.map; import com.google.api.client.util.Lists; import org.springframework.stereotype.Component; import pro.shushi.pamirs.demo.api.model.DemoItem; import pro.shushi.pamirs.framework.connectors.data.api.datasource.DsHintApi; import pro.shushi.pamirs.meta.api.core.orm.convert.DataConverter; import pro.shushi.pamirs.meta.api.session.PamirsSession; import pro.shushi.pamirs.meta.common.spring.BeanDefinitionUtils; import java.util.List; import java.util.Map; @Component public class DemoItemDAO { public List<DemoItem> customSqlDemoItem(){ try (DsHintApi dsHint = DsHintApi.model(DemoItem.MODEL_MODEL)) { String demoItemTable = PamirsSession.getContext().getModelCache().get(DemoItem.MODEL_MODEL).getTable(); DemoItemMapper demoItemMapper = BeanDefinitionUtils.getBean(DemoItemMapper.class); String where = " where status = 'ACTIVE'"; List<Map<String, Object>> dataList = demoItemMapper.groupByCategoryId(demoItemTable,where); DataConverter persistenceDataConverter = BeanDefinitionUtils.getBean(DataConverter.class); return persistenceDataConverter.out(DemoItem.MODEL_MODEL, dataList); } return Lists.newArrayList(); } } 调用Mapper一些说明 启动类需要配置扫描包MapperScan @MapperScan(value = "pro.shushi", annotationClass = Mapper.class) @SpringBootApplication(exclude = {DataSourceAutoConfiguration.class, FreeMarkerAutoConfiguration.class}) public class DemoApplication { 调用Mapper接口的时候，需要指定数据源；即上述示例代码中的 DsHintApi dsHint = DsHintApi.model(DemoItem.MODEL_MODEL)， 实际代码中使用 try-with-resources语法。 从Mapper返回的结果中获取数据 如果SQL Mapper中已定义了resultMap，调用Mapper(DAO)返回的就是Java对象 如果Mapper返回的是Map<String, Object>，则通过 DataConverter.out进行转化，参考上面的示例 其他参考：Oinone连接外部数据源方案：https://doc.oinone.top/backend/4562.html

  数式-海波

  2023年11月27日

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• 代码实践

  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 =…

  望闲

  2024年4月2日

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• 代码实践

  IWrapper、QueryWrapper和LambdaQueryWrapper使用

  条件更新updateByWrapper 通常我们在更新的时候new一个对象出来在去更新，减少更新的字段 Integer update = new DemoUser().updateByWrapper(new DemoUser().setFirstLogin(Boolean.FALSE), Pops.<DemoUser>lambdaUpdate().from(DemoUser.MODEL_MODEL).eq(IdModel::getId, userId) 使用基础模型的updateById方法更新指定字段的方法： new 一下update对象出来，更新这个对象。 WorkflowUserTask userTaskUp = new WorkflowUserTask(); userTaskUp.setId(userTask.getId()); userTaskUp.setNodeContext(json); userTaskUp.updateById(); 条件删除updateByWrapper public List<T> delete(List<T> data) { List<Long> petTypeIdList = new ArrayList(); for(T item:data){ petTypeIdList.add(item.getId()); } Models.data().deleteByWrapper(Pops.<PetType>lambdaQuery().from(PetType.MODEL_MODEL).in(PetType::getId,petTypeIdList)); return data; } 构造条件查询数据 示例1： LambdaQueryWrapper拼接查询条件 private void queryPetShops() { LambdaQueryWrapper<PetShop> query = Pops.<PetShop>lambdaQuery(); query.from(PetShop.MODEL_MODEL); query.setSortable(Boolean.FALSE); query.orderBy(true, true, PetShop::getId); List<PetShop> petShops2 = new PetShop().queryList(query); System.out.printf(petShops2.size() + ""); } 示例2： IWrapper拼接查询条件 private void queryPetShops() { IWrapper<PetShop> wrapper = Pops.<PetShop>lambdaQuery() .from(PetShop.MODEL_MODEL).eq(PetShop::getId,1L); List<PetShop> petShops4 = new PetShop().queryList(wrapper); System.out.printf(petShops4.size() + ""); } 示例3： QueryWrapper拼接查询条件 private void queryPetShops() { //使用Lambda获取字段名，防止后面改字段名漏改 String nameField = LambdaUtil.fetchFieldName(PetTalent::getName); //使用Lambda获取Clumon名，防止后面改字段名漏改 String nameColumn = PStringUtils.fieldName2Column(nameField); QueryWrapper<PetShop> wrapper2 = new QueryWrapper<PetShop>().from(PetShop.MODEL_MODEL) .eq(nameColumn, "test"); List<PetShop> petShops5 = new PetShop().queryList(wrapper2); System.out.printf(petShops5.size() + ""); } IWrapper转为LambdaQueryWrapper @Function.Advanced(type= FunctionTypeEnum.QUERY) @Function.fun(FunctionConstants.queryPage) @Function(openLevel = {FunctionOpenEnum.API}) public Pagination<PetShopProxy> queryPage(Pagination<PetShopProxy> page, IWrapper<PetShopProxy> queryWrapper) { LambdaQueryWrapper<PetShopProxy> wrapper = ((QueryWrapper<PetShopProxy>) queryWrapper).lambda(); // 非存储字段从QueryData中获取 Map<String, Object> queryData = queryWrapper.getQueryData(); if (null != queryData && !queryData.isEmpty()) { String codes = (String) queryData.get("codes"); if (org.apache.commons.lang3.StringUtils.isNotBlank(codes)) { wrapper.in(PetShopProxy::getCode, codes.split(",")); } } return new PetShopProxy().queryPage(page, wrapper); }

  望闲

  2024年5月25日

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• 后端

  如何自定义覆盖内置模块的页面

  1.首先通过sql查询找到我们需要的页面，从其中的template字段复制出原视图的配置 通过模型编码model在base_view查找需要修改的视图 select * from base_view where model='workflow.WorkflowUserTask' and is_deleted = 0; 2.将base_view的template内容复制到java的core工程的resources目录下新建一个xml文件，修改里面的动作名称 <view widget="WorkFlowImplement"> <template slot="actions"> <action name="$$internal_GotoListTableRouter" priority="1" model="workflow.WorkflowUserTask" tag="contextFreeAction"/> <action name="approveStaging" widget="FlowTaskCommonAction" invisible="!(activeRecord.allowStaging)" priority="2" label="新暂存" model="workflow.WorkflowUserTask" displayName="新暂存"/> <action name="workflow_agree" invisible="!(activeRecord.allowAgree && activeRecord.status == &apos;ACTIVE&apos;)" priority="3" label="新同意" model="workflow.WorkflowUserTask" load="fetchDetailReadOnly" displayName="新同意" goBack="true" validateForm="true" loadRootData="true"/> <action name="workflow_rejust" invisible="!(activeRecord.allowReject && activeRecord.status == &apos;ACTIVE&apos;)" priority="4" label="新拒绝" model="workflow.WorkflowUserTask" displayName="新拒绝" goBack="true" loadRootData="true" tag="contextFreeAction"/> <action name="workflow_turnon" invisible="!(activeRecord.taskType == &apos;APPROVE&apos; && activeRecord.allowTransfer && activeRecord.status == &apos;ACTIVE&apos;)" priority="5" label="新转交" model="workflow.WorkflowUserTask" load="fetchDetailReadOnly" displayName="新转交" goBack="true" loadRootData="true" tag="contextFreeAction"/> <action name="workflow_addsign" invisible="!(activeRecord.taskType == &apos;APPROVE&apos; && activeRecord.allowAddSign && activeRecord.status == &apos;ACTIVE&apos;)" priority="6" label="新加签" model="workflow.WorkflowUserTask" load="fetchDetailReadOnly" displayName="新加签" goBack="true" loadRootData="true" tag="contextFreeAction"/> <action name="workflow_write_fallback" invisible="!(activeRecord.taskType == &apos;WRITE&apos; && activeRecord.allowFallback && activeRecord.status == &apos;ACTIVE&apos;)" priority="7" label="新回退" model="workflow.WorkflowUserTask" displayName="新回退" goBack="true" loadRootData="true" tag="contextFreeAction"/> <action name="workflow_sharing" priority="8" label="新分享" model="workflow.WorkflowUserTask" displayName="新分享" goBack="true" loadRootData="true" tag="contextFreeAction"/> </template> <template slot="fields"> <field name="remark" widget="TextArea" invisible="activeRecord.taskType != &apos;APPROVE&apos;" priority="8" model="workflow.WorkflowUserTask" data="remark" displayName="意见备注"/> </template> </view> 3.在生命周期的元数据编辑方法内覆盖视图 package pro.shushi.pamirs.demo.core.init; import org.springframework.core.Ordered; import org.springframework.core.annotation.Order; import org.springframework.stereotype.Component; import pro.shushi.pamirs.boot.common.api.command.AppLifecycleCommand; import pro.shushi.pamirs.boot.common.extend.MetaDataEditor; import pro.shushi.pamirs.core.common.InitializationUtil; import pro.shushi.pamirs.demo.api.DemoModule; import pro.shushi.pamirs.meta.annotation.fun.extern.Slf4j; import pro.shushi.pamirs.meta.api.dto.meta.Meta; import pro.shushi.pamirs.meta.enmu.ViewTypeEnum; import pro.shushi.pamirs.workflow.app.api.model.WorkflowUserTask; import java.util.Map; @Slf4j @Component @Order(Ordered.LOWEST_PRECEDENCE) public class DemoModuleMetaInstall implements MetaDataEditor { @Override public void edit(AppLifecycleCommand command,…

  nation

  2024年7月2日

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• 后端

  【Excel导入/导出】多Sheet导入导出示例（4.7.x及以上版本）

  代码示例 示例仅供参考 点击下载代码示例 业务场景 准备工作：两个模型，物料（Material）和物料类别（MaterialCategory）。目标：在一个Excel模板中同时导入和导出两个模型的数据。 Material模型 @Model.model(Material.MODEL_MODEL) @Model.Advanced(unique = {"code"}) @Model(displayName = "物料", labelFields = {"name"}) public class Material extends IdModel { private static final long serialVersionUID = -2594216864389636135L; public static final String MODEL_MODEL = "maas.Material"; @Field.String @Field(displayName = "物料编码", required = true) private String code; @Field.String @Field(displayName = "物料名称", required = true) private String name; } MaterialCategory模型 @Model.model(MaterialCategory.MODEL_MODEL) @Model.Advanced(unique = {"code"}) @Model(displayName = "物料类别", labelFields = {"name"}) public class MaterialCategory extends IdModel { private static final long serialVersionUID = 6300896634558908349L; public static final String MODEL_MODEL = "maas.MaterialCategory"; @Field.String @Field(displayName = "类别编码", required = true) private String code; @Field.String @Field(displayName = "类别名称", required = true) private String name; } 模板定义 MaterialTemplate @Component public class MaterialTemplate implements ExcelTemplateInit { public static final String TEMPLATE_NAME = "materialTemplate"; @Override public List<ExcelWorkbookDefinition> generator() { WorkbookDefinitionBuilder builder = WorkbookDefinitionBuilder.newInstance(Material.MODEL_MODEL, TEMPLATE_NAME) .setDisplayName("物料和物料类别") .setEachImport(Boolean.FALSE);//设置importData的入参为 (ExcelImportContext importContext, List<MaterialCategory> data)，如入参是单个对象，请删除setEachImport(Boolean.FALSE) createMaterialSheet(builder); createMaterialCategorySheet(builder); return Collections.singletonList(builder.build()); } private static void createMaterialSheet(WorkbookDefinitionBuilder builder) { builder.createSheet().setName("物料") .createBlock(Material.MODEL_MODEL, ExcelAnalysisTypeEnum.FIXED_HEADER, ExcelDirectionEnum.HORIZONTAL, "A1:B2") .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle()).setIsConfig(Boolean.TRUE) .createCell().setField("code").setAutoSizeColumn(Boolean.TRUE).and() .createCell().setField("name").setAutoSizeColumn(Boolean.TRUE).and() .and() .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle(v -> v.setBold(Boolean.TRUE)).setHorizontalAlignment(ExcelHorizontalAlignmentEnum.CENTER)) .createCell().setValue("物料编码").and() .createCell().setValue("物料名称"); } private static void createMaterialCategorySheet(WorkbookDefinitionBuilder builder) { builder.createSheet().setName("物料类别") .createBlock(MaterialCategory.MODEL_MODEL, ExcelAnalysisTypeEnum.FIXED_HEADER, ExcelDirectionEnum.HORIZONTAL, "A1:B2") .createHeader().setStyleBuilder(ExcelHelper.createDefaultStyle()).setIsConfig(Boolean.TRUE) .createCell().setField("code").setAutoSizeColumn(Boolean.TRUE).and()…

  张博昊

  2024年4月23日

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