反序列化问题。

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dengqichen 2024-12-18 15:18:33 +08:00
parent 09c3c0bbbf
commit a3ea410f5b
7 changed files with 345 additions and 15 deletions

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backend/readme1.md Normal file
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@ -0,0 +1,322 @@
# 工作流动态表单设计方案
## 1. 整体架构
### 1.1 数据流向
```
1. 流程设计阶段
┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
│ 表单设计器 │ │ 流程设计器 │ │ 后端存储 │
│ Form Designer │ ──> │ Flow Designer │ ──> │ Database │
└─────────────────┘ └─────────────────┘ └─────────────────┘
│ │ │
│ 设计表单 │ 配置节点表单 │ 保存定义
│ JSON Schema │ 配置数据映射 │ - 表单定义
│ UI Schema │ 配置权限 │ - 流程定义
▼ ▼ ▼
2. 流程运行阶段
┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
│ 流程发起 │ │ 节点激活 │ │ 表单实例化 │
│ Start Flow │ ──> │ Node Activated │ ──> │ Form Instance │
└─────────────────┘ └─────────────────┘ └─────────────────┘
│ │
│ 触发监听器 │ 创建表单实例
│ │ 初始化数据
▼ ▼
3. 表单处理阶段
┌─────────────<EFBFBD><EFBFBD>───┐ ┌─────────────────┐ ┌─────────────────┐
│ 表单渲染 │ │ 表单交互 │ │ 数据处理 │
│ Form Render │ ──> │ Form Interact │ ──> │ Data Process │
└─────────────────┘ └─────────────────┘ └─────────────────┘
│ │ │
│ 加载表单定义 │ 用户输入 │ 数据验证
│ 加载实例数据 │ 数据提交 │ 数据转换
│ 应用权限 │ │ 变量映射
▼ ▼ ▼
4. 节点完成阶段
┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
│ 表单提交 │ │ 节点完成 │ │ 流程推进 │
│ Form Submit │ ──> │ Node Complete │ ──> │ Flow Progress │
└─────────────────┘ └─────────────<E29480><E29480><EFBFBD>───┘ └─────────────────┘
│ │
│ 触发监听器 │ 流转到下一节点
│ 更新流程变量 │
▼ ▼
```
### 1.2 数据模型设计
1. **表单定义(FormDefinition)**
```java
@Data
@Table(name = "workflow_form_definition")
@Entity
@LogicDelete
public class FormDefinition extends Entity<Long> {
@Column(nullable = false)
private String name; // 表单名称
@Column(nullable = false, unique = true)
private String code; // 表单编码
@Column(columnDefinition = "TEXT")
private String description; // 表单描述
@Type(JsonType.class)
@Column(columnDefinition = "json", nullable = false)
private JsonNode schema; // 表单JSON Schema
@Type(JsonType.class)
@Column(columnDefinition = "json")
private JsonNode uiSchema; // UI渲染Schema
@Column(nullable = false)
private Boolean enabled = true; // 是否启用
@Column(nullable = false)
private Integer version = 1; // 版本号
}
```
2. **表单实例(FormInstance)**
```java
@Data
@Table(name = "workflow_form_instance")
@Entity
@LogicDelete
public class FormInstance extends Entity<Long> {
@Column(nullable = false)
private Long formDefinitionId; // 表单定义ID
@Column(nullable = false)
private String processInstanceId; // 流程实例ID
@Column(nullable = false)
private String taskId; // 任务ID
@Type(JsonType.class)
@Column(columnDefinition = "json", nullable = false)
private JsonNode formData; // 表单数据
@Column(nullable = false)
@Enumerated(EnumType.STRING)
private FormInstanceStatus status; // 状态
}
```
## 2. 节点表单集成
### 2.1 工作流上下文设计
```java
@Data
public class WorkflowContext {
// 系统上下文
private SystemContext systemContext;
// 表单上下文
private FormContext formContext;
// 流程变量上下文
private ProcessContext processContext;
@Data
public static class SystemContext {
private JsonNode systemConfig; // 系统配置
private String executionId; // 执行ID
private String processInstanceId; // 流程实例ID
private String nodeId; // 节点ID
}
@Data
public static class FormContext {
private Long formInstanceId; // 表单实例ID
private JsonNode formData; // 表单数据
private JsonNode formConfig; // 表单配置
private Map<String, Object> mappedData; // 映射后的数据
}
@Data
public static class ProcessContext {
private Map<String, Object> variables; // 流程变量
private Map<String, Object> localVariables; // 节点本地变量
}
}
```
### 2.2 节点定义中的表单配置
```java
@Data
@Table(name = "workflow_node_definition")
@Entity
@LogicDelete
public class WorkflowNodeDefinition extends Entity<Long> {
// ... 现有字段 ...
/**
* 表单配置
*/
@Type(JsonType.class)
@Column(columnDefinition = "json")
private JsonNode formConfig; // 节点默认的表单配置
/**
* 表单Schema
*/
@Type(JsonType.class)
@Column(columnDefinition = "json")
private JsonNode formSchema; // 节点默认的表单结构
/**
* 表单UI Schema
*/
@Type(JsonType.class)
@Column(columnDefinition = "json")
private JsonNode formUiSchema; // 节点默认的UI渲染配置
}
```
## 3. 动态接口支持
### 3.1 表单配置中的接口定义
```json
{
"formSchema": {
"type": "object",
"properties": {
"department": {
"type": "string",
"title": "部门",
"enum": "@api:getDepartments",
"enumNames": "@api:getDepartmentNames"
},
"employee": {
"type": "string",
"title": "员工",
"enum": "@api:getEmployeesByDepartment(department)",
"enumNames": "@api:getEmployeeNamesByDepartment(department)"
}
}
}
}
```
### 3.2 动态接口注册
```java
@Service
public class DynamicApiRegistry {
private final Map<String, DynamicApi> apiRegistry = new ConcurrentHashMap<>();
@PostConstruct
public void init() {
// 注册系统内置API
registerSystemApis();
}
// 注册API
public void register(String apiKey, DynamicApi api) {
apiRegistry.put(apiKey, api);
}
// 获取API
public DynamicApi getApi(String apiKey) {
return apiRegistry.get(apiKey);
}
}
```
### 3.3 动态API定义
```java
@Data
@Builder
public class DynamicApi {
private String url; // API地址
private HttpMethod method; // 请求方法
private Function<Map<String, Object>, Map<String, Object>> paramsBuilder; // 参数构建器
private String transform; // 数据转换路径
private Map<String, String> mapping; // 数据映射
private List<String> dependencies; // 依赖字段
}
```
## 4. 使用示例
### 4.1 定义节点表单
```json
{
"systemConfig": {
"timeout": 3600,
"retryTimes": 3,
"notifyEmail": "admin@example.com"
},
"formConfig": {
"formSchema": { /* 表单结构 */ },
"formUiSchema": { /* UI渲染配置 */ },
"permissions": { /* 权限配置 */ },
"dataMapping": {
"input": { /* 输入映射 */ },
"output": { /* 输出映射 */ }
}
}
}
```
### 4.2 注册动态接口
```java
@Component
public class CustomApiConfig {
@Resource
private DynamicApiRegistry apiRegistry;
@PostConstruct
public void init() {
// 注册项目查询API
apiRegistry.register("getProjects", new DynamicApi.builder()
.url("/api/v1/projects")
.method(HttpMethod.GET)
.paramsBuilder(context -> Map.of(
"departmentId", context.get("department"),
"employeeId", context.get("employee")
))
.transform("data.list")
.mapping(Map.of("value", "id", "label", "name"))
.dependencies(List.of("department", "employee"))
.build()
);
}
}
```
### 4.3 实现委派类
```java
@Component
@Slf4j
public class ApprovalTaskDelegate extends BaseWorkflowDelegate {
@Override
protected void doExecute(WorkflowContext context) throws Exception {
// 1. 获取表单数据
FormContext formContext = context.getFormContext();
Map<String, Object> mappedData = formContext.getMappedData();
String approvalResult = (String) mappedData.get("approvalResult");
String comments = (String) mappedData.get("comments");
// 2. 获取系统配置
SystemContext systemContext = context.getSystemContext();
JsonNode systemConfig = systemContext.getSystemConfig();
String notifyEmail = systemConfig.get("notifyEmail").asText();
// 3. 处理审批结果
ProcessContext processContext = context.getProcessContext();
processContext.getVariables().put("approved", "APPROVED".equals(approvalResult));
processContext.getVariables().put("approvalComments", comments);
// 4. 发送通知
if (notifyEmail != null) {
notificationService.sendApprovalNotification(notifyEmail, approvalResult, comments);
}
}
}
```

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@ -27,10 +27,10 @@ public class FlowableConfig implements EngineConfigurationConfigurer<SpringProce
// 配置异步执行器 // 配置异步执行器
engineConfiguration.setAsyncExecutorActivate(true); engineConfiguration.setAsyncExecutorActivate(true);
// 设置重试次数为0禁用重试 // 设置重试次数为1重试
// engineConfiguration.setAsyncExecutorNumberOfRetries(0); engineConfiguration.setAsyncExecutorNumberOfRetries(1);
// 设置失败等待时间为最小值 // 设置失败等待时间为最小值
// engineConfiguration.setAsyncFailedJobWaitTime(1); engineConfiguration.setAsyncFailedJobWaitTime(1);
// // 配置异步执行器参数 // // 配置异步执行器参数
// engineConfiguration.setAsyncExecutorDefaultAsyncJobAcquireWaitTime(1000); // engineConfiguration.setAsyncExecutorDefaultAsyncJobAcquireWaitTime(1000);

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@ -4,14 +4,13 @@ import com.qqchen.deploy.backend.workflow.constants.WorkFlowConstants;
import com.qqchen.deploy.backend.workflow.event.ShellLogEvent; import com.qqchen.deploy.backend.workflow.event.ShellLogEvent;
import com.qqchen.deploy.backend.workflow.enums.NodeLogTypeEnums; import com.qqchen.deploy.backend.workflow.enums.NodeLogTypeEnums;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.flowable.common.engine.api.FlowableException; import org.flowable.engine.impl.el.FixedValue;
import org.flowable.engine.RuntimeService; import org.flowable.engine.RuntimeService;
import org.flowable.engine.ManagementService; import org.flowable.engine.ManagementService;
import org.flowable.engine.delegate.BpmnError; import org.flowable.engine.delegate.BpmnError;
import org.flowable.engine.delegate.DelegateExecution; import org.flowable.engine.delegate.DelegateExecution;
import org.flowable.engine.delegate.JavaDelegate; import org.flowable.engine.delegate.JavaDelegate;
import org.flowable.common.engine.api.delegate.Expression; import org.flowable.common.engine.api.delegate.Expression;
import org.flowable.job.api.Job;
import org.springframework.context.ApplicationEventPublisher; import org.springframework.context.ApplicationEventPublisher;
import org.springframework.stereotype.Component; import org.springframework.stereotype.Component;
import jakarta.annotation.Resource; import jakarta.annotation.Resource;
@ -37,7 +36,11 @@ public class ShellTaskDelegate implements JavaDelegate {
@Resource @Resource
private ManagementService managementService; private ManagementService managementService;
private Expression script; private FixedValue code; // 添加字段
private FixedValue name;
private FixedValue script;
private FixedValue language;
private FixedValue interpreter;
private Expression workDir; private Expression workDir;
@ -53,7 +56,6 @@ public class ShellTaskDelegate implements JavaDelegate {
public void execute(DelegateExecution execution) { public void execute(DelegateExecution execution) {
log.info("ShellTaskDelegate开始执行, processInstanceId={}, executionId={}", log.info("ShellTaskDelegate开始执行, processInstanceId={}, executionId={}",
execution.getProcessInstanceId(), execution.getId()); execution.getProcessInstanceId(), execution.getId());
// 从字段注入中获取值 // 从字段注入中获取值
String scriptValue = script != null ? script.getValue(execution).toString() : null; String scriptValue = script != null ? script.getValue(execution).toString() : null;
String workDirValue = workDir != null ? workDir.getValue(execution).toString() : null; String workDirValue = workDir != null ? workDir.getValue(execution).toString() : null;

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@ -38,7 +38,7 @@ public class ActivityEventHandler implements IFlowableEventHandler {
if (!(event instanceof FlowableActivityEvent activityEvent)) { if (!(event instanceof FlowableActivityEvent activityEvent)) {
return; return;
} }
log.info("Processing Flowable event: {}, id: {}, name:{}", eventType, activityEvent.getActivityId(), activityEvent.getActivityName()); // log.info("Processing Flowable event: {}, id: {}, name:{}", eventType, activityEvent.getActivityId(), activityEvent.getActivityName());
List<String> ignoredList = Arrays.asList(BOUNDARY_EVENT_ERROR_PREFIX, END_EVENT_ERROR_PREFIX); List<String> ignoredList = Arrays.asList(BOUNDARY_EVENT_ERROR_PREFIX, END_EVENT_ERROR_PREFIX);

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@ -1,6 +1,8 @@
package com.qqchen.deploy.backend.workflow.listener.handler; package com.qqchen.deploy.backend.workflow.listener.handler;
import cn.hutool.core.date.DateUtil; import cn.hutool.core.date.DateUtil;
import cn.hutool.json.JSON;
import cn.hutool.json.JSONUtil;
import com.qqchen.deploy.backend.workflow.enums.WorkflowNodeInstanceStatusEnums; import com.qqchen.deploy.backend.workflow.enums.WorkflowNodeInstanceStatusEnums;
import com.qqchen.deploy.backend.workflow.event.WorkflowNodeInstanceStatusChangeEvent; import com.qqchen.deploy.backend.workflow.event.WorkflowNodeInstanceStatusChangeEvent;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
@ -34,8 +36,9 @@ public class JobEventHandler implements IFlowableEventHandler {
if (!(event instanceof FlowableEngineEntityEvent entityEvent)) { if (!(event instanceof FlowableEngineEntityEvent entityEvent)) {
return; return;
} }
// log.info("Processing job event: {}, jobType: {}", eventType, entityEvent.getType()); log.info("Processing job event: {}, jobType: {}", eventType, entityEvent.getType());
JobEntityImpl job = (JobEntityImpl) entityEvent.getEntity(); JobEntityImpl job = (JobEntityImpl) entityEvent.getEntity();
log.info("Processing job event: {}", JSONUtil.toJsonStr(job));
WorkflowNodeInstanceStatusEnums status = convertToNodeStatus(eventType); WorkflowNodeInstanceStatusEnums status = convertToNodeStatus(eventType);
if (status != null) { if (status != null) {
// publisher.publishEvent(WorkflowNodeInstanceStatusChangeEvent.builder() // publisher.publishEvent(WorkflowNodeInstanceStatusChangeEvent.builder()
@ -54,11 +57,11 @@ public class JobEventHandler implements IFlowableEventHandler {
private WorkflowNodeInstanceStatusEnums convertToNodeStatus(String eventType) { private WorkflowNodeInstanceStatusEnums convertToNodeStatus(String eventType) {
return switch (eventType) { return switch (eventType) {
case "JOB_EXECUTION_SUCCESS" -> WorkflowNodeInstanceStatusEnums.COMPLETED; case "JOB_EXECUTION_SUCCESS" -> WorkflowNodeInstanceStatusEnums.RUNNING;
case "JOB_EXECUTION_START" -> WorkflowNodeInstanceStatusEnums.RUNNING; // case "JOB_EXECUTION_START" -> WorkflowNodeInstanceStatusEnums.RUNNING;
case "JOB_EXECUTION_FAILURE" -> WorkflowNodeInstanceStatusEnums.FAILED; // case "JOB_EXECUTION_FAILURE" -> WorkflowNodeInstanceStatusEnums.FAILED;
case "JOB_EXECUTION_REJECTED" -> WorkflowNodeInstanceStatusEnums.FAILED; // case "JOB_EXECUTION_REJECTED" -> WorkflowNodeInstanceStatusEnums.FAILED;
case "JOB_EXECUTION_NOJOB_FOUND" -> WorkflowNodeInstanceStatusEnums.FAILED; // case "JOB_EXECUTION_NOJOB_FOUND" -> WorkflowNodeInstanceStatusEnums.FAILED;
default -> null; default -> null;
}; };
} }

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@ -182,6 +182,7 @@ public class WorkflowInstanceServiceImpl extends BaseServiceImpl<WorkflowInstanc
.processDefinitionKey(request.getProcessKey()) .processDefinitionKey(request.getProcessKey())
.businessKey(request.getBusinessKey()) .businessKey(request.getBusinessKey())
.startAsync(); // 异步启动会自动执行 shell 任务 .startAsync(); // 异步启动会自动执行 shell 任务
// .start();
return createWorkflowInstance(workflowDefinition.getId(), request.getBusinessKey(), processInstance); return createWorkflowInstance(workflowDefinition.getId(), request.getBusinessKey(), processInstance);
} catch (Exception e) { } catch (Exception e) {
log.error("Failed to create workflow: {}", request.getProcessKey(), e); log.error("Failed to create workflow: {}", request.getProcessKey(), e);

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@ -122,9 +122,11 @@ public class BpmnConverter {
ServiceTask serviceTask = (ServiceTask) element; ServiceTask serviceTask = (ServiceTask) element;
// 设置委托表达式 // 设置委托表达式
String delegate = (String) node.getConfig().get("delegate"); String delegate = (String) node.getConfig().get("delegate");
// serviceTask.setImplementationType("class");
// serviceTask.setImplementation("com.qqchen.deploy.backend.workflow.delegate.ShellTaskDelegate");
serviceTask.setImplementationType("delegateExpression"); serviceTask.setImplementationType("delegateExpression");
serviceTask.setImplementation(delegate); serviceTask.setImplementation(delegate);
serviceTask.setAsynchronous(true); // 设置为异步执行 // serviceTask.setAsynchronous(false); // 设置为异步执行
// 设置失败时不重试 // 设置失败时不重试
ExtensionElement failedJobRetryTimeCycle = new ExtensionElement(); ExtensionElement failedJobRetryTimeCycle = new ExtensionElement();