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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

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YunaiV
2025-07-20 20:02:48 +08:00
parent c645813725
commit 14d8c2bb40
1 changed files with 8 additions and 5 deletions
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13
yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java
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@@ -4,7 +4,6 @@ import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.map.MapUtil;
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.module.bpm.controller.admin.definition.vo.model.simple.BpmSimpleModelNodeVO;
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 org.flowable.bpmn.BpmnAutoLayout;
import org.flowable.bpmn.constants.BpmnXMLConstants;
import org.flowable.bpmn.model.Process;
import org.flowable.bpmn.model.*;
import org.flowable.bpmn.model.Process;
import org.flowable.engine.delegate.ExecutionListener;
import org.flowable.engine.delegate.TaskListener;
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.util.BpmnModelUtils.*;
import static java.util.Arrays.asList;
@@ -684,15 +684,18 @@ public class SimpleModelUtils {
if (conditionGroups == null || CollUtil.isEmpty(conditionGroups.getConditions())) {
return null;
}
List<String> strConditionGroups = CollectionUtils.convertList(conditionGroups.getConditions(), item -> {
List<String> strConditionGroups = convertList(conditionGroups.getConditions(), item -> {
if (CollUtil.isEmpty(item.getRules())) {
return "";
}
// 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()
: "\"" + 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
Boolean and = item.getAnd();