知识图谱可视化系统源码分享

初学者↑2026-03-25 16:53

前后端分离架构

前端：vue3 + antd-design-vue
后端：python

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代码设计规范，好修改，数据可轻松替换，便于复用

python 复制代码

if __name__ == '__main__':
    # 清空数据库中的所有数据
    graph.delete_all()
    files = loop_files('result', 'json')
    if files:
        data_list = []
        for file in files:
            file_name = os.path.basename(file)
            with open(file, 'r', encoding='utf-8') as file:
                content = file.read()
            content_list = []
            try:
                content_list = json.loads(content)
            except Exception as e:
                print(f"文件解析失败:{file}", e)
            if content_list:
                data_list.extend(content_list)
        # 保存数据到neo4j
        save_to_neo(data_list)

python 复制代码

    def get_kg_new(self, entity):
        conditions = []
        if entity:
            conditions.append(f"n.name =~ '.*{entity}.*'")
        where_clause = " AND ".join(conditions)
        where_clause = f"WHERE {where_clause}" if where_clause else ""
        sql = f"""
                   MATCH p=(n)-[r]-(m)
                   {where_clause}
                   RETURN nodes(p) AS nodes, relationships(p) AS rels limit 100
                   """
        print("查询节点：" + sql)
        result = self.graph.run(sql).data()
        nodes = []
        lines = []
        id_list = []

        if result:
            for record in result:
                for node in record['nodes']:
                    node_id = node.identity
                    if node_id not in id_list:
                        node_data = {
                            'id': node_id,
                            'name': node['name'],
                            'type': list(node.labels)[0] if node.labels else ''
                        }
                        for prop in node:
                            node_data[prop] = node[prop]
                        id_list.append(node_id)
                        nodes.append(node_data)

                for rel in record['rels']:
                    lines.append({
                        'from': rel.start_node.identity,
                        'to': rel.end_node.identity,
                        'text': type(rel).__name__
                    })

        json_data = {'nodes': nodes, 'lines': lines}
        return json_data

完整源码可获取，可远程部署答疑