feat(flow): FlowableUtils添加getFlowParamMap方法统一处理流程发起人参数

- BpmOaLeaveEntity继承BizFlowBaseDto以复用流程基础字段
- 新增BizFlowBaseDto作为流程基础数据传输对象
-
- 优化BpmOaLeaveServiceImpl流程启动逻辑，使用工具类简化代码

pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/dto/BizFlowBaseDto.java

@@ -0,0 +1,31 @@
+package com.pig4cloud.pigx.flow.dto;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 自定义业务流基础数据传输对象
+ *
+ * @author lengleng
+ * @date 2025/10/16
+ */
+@Data
+public class BizFlowBaseDto {
+
+    /**
+     * 流程实例的编号
+     */
+    @Schema(description = "流程实例的编号")
+    private String processInstanceId;
+
+    /**
+     * 流程参数 (用于存储用户选择的审批人等信息)
+     */
+    @TableField(exist = false)
+    @Schema(description = "流程参数（审批人信息）")
+    private Map<String, Object> flowParamMap = new HashMap<>();
+}

pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/entity/BpmOaLeaveEntity.java

@@ -2,6 +2,7 @@ package com.pig4cloud.pigx.flow.entity;
 
 import com.baomidou.mybatisplus.annotation.*;
 import com.pig4cloud.pigx.common.core.util.TenantTable;
+import com.pig4cloud.pigx.flow.dto.BizFlowBaseDto;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 
@@ -15,103 +16,99 @@ import java.time.LocalDateTime;
 @TenantTable
 @TableName("bpm_oa_leave")
 @Schema(description = "请假表单")
-public class BpmOaLeaveEntity {
+public class BpmOaLeaveEntity extends BizFlowBaseDto {
 
-	/**
-	 * 请假表单主键
-	 */
-	@TableId(type = IdType.ASSIGN_ID)
-	@Schema(description = "请假表单主键")
-	private Long id;
+    /**
+     * 请假表单主键
+     */
+    @TableId(type = IdType.ASSIGN_ID)
+    @Schema(description = "请假表单主键")
+    private Long id;
 
-	/**
-	 * 申请人的用户编号
-	 */
-	@Schema(description = "申请人的用户编号")
-	private String username;
+    /**
+     * 申请人的用户编号
+     */
+    @Schema(description = "申请人的用户编号")
+    private String username;
 
-	/**
-	 * 请假类型
-	 */
-	@Schema(description = "请假类型")
-	private Integer leaveType;
+    /**
+     * 请假类型
+     */
+    @Schema(description = "请假类型")
+    private Integer leaveType;
 
-	/**
-	 * 请假原因
-	 */
-	@Schema(description = "请假原因")
-	private String leaveReason;
+    /**
+     * 请假原因
+     */
+    @Schema(description = "请假原因")
+    private String leaveReason;
 
-	/**
-	 * 开始时间
-	 */
-	@Schema(description = "开始时间")
-	private LocalDateTime startTime;
+    /**
+     * 开始时间
+     */
+    @Schema(description = "开始时间")
+    private LocalDateTime startTime;
 
-	/**
-	 * 结束时间
-	 */
-	@Schema(description = "结束时间")
-	private LocalDateTime endTime;
+    /**
+     * 结束时间
+     */
+    @Schema(description = "结束时间")
+    private LocalDateTime endTime;
 
-	/**
-	 * 请假天数
-	 */
-	@Schema(description = "请假天数")
-	private Integer leaveDay;
+    /**
+     * 请假天数
+     */
+    @Schema(description = "请假天数")
+    private Integer leaveDay;
 
-	/**
-	 * 请假结果
-	 */
-	@Schema(description = "请假结果")
-	private Integer leaveStatus;
+    /**
+     * 请假结果
+     */
+    @Schema(description = "请假结果")
+    private Integer leaveStatus;
 
-	/**
-	 * 流程实例的编号
-	 */
-	@Schema(description = "流程实例的编号")
-	private String processInstanceId;
 
-	/**
-	 * 创建者
-	 */
-	@TableField(fill = FieldFill.INSERT)
-	@Schema(description = "创建者")
-	private String createBy;
+    /**
+     * 创建者
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @Schema(description = "创建者")
+    private String createBy;
 
-	/**
-	 * 创建时间
-	 */
-	@TableField(fill = FieldFill.INSERT)
-	@Schema(description = "创建时间")
-	private LocalDateTime createTime;
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @Schema(description = "创建时间")
+    private LocalDateTime createTime;
 
-	/**
-	 * 更新者
-	 */
-	@TableField(fill = FieldFill.INSERT_UPDATE)
-	@Schema(description = "更新者")
-	private String updateBy;
+    /**
+     * 更新者
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @Schema(description = "更新者")
+    private String updateBy;
 
-	/**
-	 * 更新时间
-	 */
-	@TableField(fill = FieldFill.INSERT_UPDATE)
-	@Schema(description = "更新时间")
-	private LocalDateTime updateTime;
+    /**
+     * 更新时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @Schema(description = "更新时间")
+    private LocalDateTime updateTime;
 
-	/**
-	 * 是否删除
-	 */
-	@TableLogic
-	@TableField(fill = FieldFill.INSERT)
-	@Schema(description = "是否删除")
-	private String delFlag;
+    /**
+     * 是否删除
+     */
+    @TableLogic
+    @TableField(fill = FieldFill.INSERT)
+    @Schema(description = "是否删除")
+    private String delFlag;
+
+    /**
+     * 租户编号
+     */
+    @Schema(description = "租户编号")
+    private Long tenantId;
 
-	/**
-	 * 租户编号
-	 */
-	@Schema(description = "租户编号")
-	private Long tenantId;
 
 }