fix:【BPM 工作流】buildConditionExpression 在流程预测时,因为变量不存在,导致 Unknow property 异常的问题

This commit is contained in:
YunaiV
2025-07-20 20:02:48 +08:00
parent c645813725
commit 14d8c2bb40

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@@ -4,7 +4,6 @@ import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.Assert; import cn.hutool.core.lang.Assert;
import cn.hutool.core.map.MapUtil; import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.*; import cn.hutool.core.util.*;
import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
import cn.iocoder.yudao.framework.common.util.json.JsonUtils; import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO; import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO;
import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO.ConditionGroups; import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO.ConditionGroups;
@@ -17,13 +16,14 @@ import cn.iocoder.yudao.module.bpm.service.task.listener.BpmCallActivityListener
import cn.iocoder.yudao.module.bpm.service.task.listener.BpmUserTaskListener; import cn.iocoder.yudao.module.bpm.service.task.listener.BpmUserTaskListener;
import org.flowable.bpmn.BpmnAutoLayout; import org.flowable.bpmn.BpmnAutoLayout;
import org.flowable.bpmn.constants.BpmnXMLConstants; import org.flowable.bpmn.constants.BpmnXMLConstants;
import org.flowable.bpmn.model.Process;
import org.flowable.bpmn.model.*; import org.flowable.bpmn.model.*;
import org.flowable.bpmn.model.Process;
import org.flowable.engine.delegate.ExecutionListener; import org.flowable.engine.delegate.ExecutionListener;
import org.flowable.engine.delegate.TaskListener; import org.flowable.engine.delegate.TaskListener;
import java.util.*; import java.util.*;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants.*; import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants.*;
import static cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils.*; import static cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils.*;
import static java.util.Arrays.asList; import static java.util.Arrays.asList;
@@ -684,15 +684,18 @@ public class SimpleModelUtils {
if (conditionGroups == null || CollUtil.isEmpty(conditionGroups.getConditions())) { if (conditionGroups == null || CollUtil.isEmpty(conditionGroups.getConditions())) {
return null; return null;
} }
List<String> strConditionGroups = CollectionUtils.convertList(conditionGroups.getConditions(), item -> { List<String> strConditionGroups = convertList(conditionGroups.getConditions(), item -> {
if (CollUtil.isEmpty(item.getRules())) { if (CollUtil.isEmpty(item.getRules())) {
return ""; return "";
} }
// 构造规则表达式 // 构造规则表达式
List<String> list = CollectionUtils.convertList(item.getRules(), (rule) -> { List<String> list = convertList(item.getRules(), (rule) -> {
String rightSide = NumberUtil.isNumber(rule.getRightSide()) ? rule.getRightSide() String rightSide = NumberUtil.isNumber(rule.getRightSide()) ? rule.getRightSide()
: "\"" + rule.getRightSide() + "\""; // 如果非数值类型加引号 : "\"" + rule.getRightSide() + "\""; // 如果非数值类型加引号
return String.format(" %s %s var:convertByType(%s,%s)", rule.getLeftSide(), rule.getOpCode(), rule.getLeftSide(), rightSide); return String.format(" vars:getOrDefault(%s, null) %s var:convertByType(%s,%s) ",
rule.getLeftSide(), // 左侧:读取变量
rule.getOpCode(), // 中间:操作符,比较
rule.getLeftSide(), rightSide); // 右侧转换变量VariableConvertByTypeExpressionFunction
}); });
// 构造条件组的表达式 // 构造条件组的表达式
Boolean and = item.getAnd(); Boolean and = item.getAnd();