yxk-20260430-增加setProcessVariable接口，设置流程变量

jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/bpm/controller/ActProcessController.java

@@ -10,11 +10,13 @@ import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.io.IOUtils;
 import org.flowable.common.engine.api.FlowableException;
 import org.flowable.engine.RepositoryService;
+import org.flowable.engine.RuntimeService;
 import org.jeecg.common.api.vo.Result;
 import org.jeecg.common.system.api.ISysBaseAPI;
 import org.jeecg.common.util.RedisUtil;
 import org.jeecg.common.util.TokenUtils;
 import org.jeecg.common.util.oConvertUtils;
+import org.jeecg.modules.bpm.dto.ProcessVariableDTO;
 import org.jeecg.modules.bpm.service.impl.ActProcessService;
 import org.jeecg.modules.extbpm.process.service.IExtActProcessService;
 import org.jeecg.modules.extbpm.util.CommonRandomUtil;
@@ -49,6 +51,8 @@ public class ActProcessController {
 	@Autowired
 	private RepositoryService repositoryService;
 	@Autowired
+	private RuntimeService runtimeService;
+	@Autowired
 	private ActProcessService actProcessService;
 	@Autowired
 	private IExtActProcessService extActProcessService;
@@ -74,6 +78,19 @@ public class ActProcessController {
 		return result;
 	}
 
+	@PostMapping(value = "/setProcessVariable")
+	@Operation(summary = "设置流程变量")
+	public Result<String> setProcessVariable(@RequestBody ProcessVariableDTO dto) {
+		if (dto == null || oConvertUtils.isEmpty(dto.getProcessInstanceId())) {
+			return Result.error("流程实例ID不能为空");
+		}
+		if (oConvertUtils.isEmpty(dto.getVarField())) {
+			return Result.error("流程变量名不能为空");
+		}
+		runtimeService.setVariable(dto.getProcessInstanceId(), dto.getVarField(), dto.getVarVal());
+		return Result.OK("保存成功");
+	}
+
 	@PostMapping("deploy")
 	@Operation(summary = "部署流程文件")
 	public Result deploy(@RequestParam("processFile") MultipartFile file) throws IOException {

jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/bpm/dto/ProcessVariableDTO.java

@@ -0,0 +1,21 @@
+package org.jeecg.modules.bpm.dto;
+
+import java.io.Serializable;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+@Data
+@Schema(description = "Process variable DTO")
+public class ProcessVariableDTO implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    @Schema(description = "Process instance id")
+    private String processInstanceId;
+
+    @Schema(description = "Process variable name")
+    private String varField;
+
+    @Schema(description = "Process variable value")
+    private Object varVal;
+}