From bea321c2e9c6a8d0c2d8363e4846c3936f4b1c2b Mon Sep 17 00:00:00 2001
From: ye1023 <12588209+ye1023@user.noreply.gitee.com>
Date: Thu, 23 Apr 2026 10:56:29 +0800
Subject: [PATCH] =?UTF-8?q?yxk-20260423-=E5=A2=9E=E5=8A=A0getJsondatastrin?=
 =?UTF-8?q?g=E6=96=B9=E6=B3=95=EF=BC=8C=E5=9C=A8=E6=B5=81=E7=A8=8B?=
 =?UTF-8?q?=E4=B8=AD=E8=8E=B7=E5=8F=96jsondata=E7=9A=84=E6=95=B0=E6=8D=AE?=
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---
 .../common/expression/FlowNodeExpression.java | 33 ++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/process/common/expression/FlowNodeExpression.java b/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/process/common/expression/FlowNodeExpression.java
index 301572a..492f442 100644
--- a/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/process/common/expression/FlowNodeExpression.java
+++ b/jeecg-boot-platform/jeecg-boot-module-bpm-flowable/src/main/java/org/jeecg/modules/extbpm/process/common/expression/FlowNodeExpression.java
@@ -1,5 +1,6 @@
 package org.jeecg.modules.extbpm.process.common.expression;
 
+import com.alibaba.fastjson.JSONObject;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang.StringUtils;
 import org.jeecg.common.constant.SymbolConstant;
@@ -9,7 +10,6 @@ import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 
@@ -35,6 +35,37 @@ public class FlowNodeExpression {
         return users;
     }
 
+    /**
+     * 根据字段名称取json_data查询对应业务表单的数据
+     * ${flowNodeExpression.getJsondatastring(jsonData,'supDeptleaderid')}
+     * @param jsonData
+     * @param codeName
+     * @return
+     */
+    public String getJsondatastring(Object jsonData, String codeName){
+        if (jsonData == null || StringUtils.isBlank(codeName)) {
+            return null;
+        }
+
+        try {
+            JSONObject data;
+            if (jsonData instanceof JSONObject) {
+                data = (JSONObject) jsonData;
+            } else if (jsonData instanceof String) {
+                if (StringUtils.isBlank((String) jsonData)) {
+                    return null;
+                }
+                data = JSONObject.parseObject((String) jsonData);
+            } else {
+                data = JSONObject.parseObject(JSONObject.toJSONString(jsonData));
+            }
+            return data == null ? null : data.getString(codeName);
+        } catch (Exception e) {
+            log.warn("getJsondata parse failed, codeName={}, jsonData={}", codeName, jsonData, e);
+            return null;
+        }
+    }
+
     /**
      * 查找上一级部门负责人
      * ${flowNodeExpression.getLevel1DepartLeaders(applyUserId)}