用python写一个将excel表格导入neo4j的程序,excel数据表头如下 类别 名称 外观 味道
时间: 2023-06-11 15:06:36 浏览: 117
好的,首先需要安装neo4j和pandas库。可以使用以下命令进行安装:
```
pip install neo4j pandas
```
然后,你可以按照以下步骤编写程序:
1. 导入所需的库:
```python
import pandas as pd
from neo4j import GraphDatabase
```
2. 定义导入excel文件的函数:
```python
def read_excel(file_path):
df = pd.read_excel(file_path)
return df
```
3. 定义连接neo4j数据库的函数:
```python
def connect_neo4j(uri, user, password):
driver = GraphDatabase.driver(uri, auth=(user, password))
return driver
```
4. 定义向neo4j数据库中插入数据的函数:
```python
def insert_data(driver, category, name, appearance, taste):
with driver.session() as session:
session.run("CREATE (:Food {category: $category, name: $name, appearance: $appearance, taste: $taste})", category=category, name=name, appearance=appearance, taste=taste)
```
5. 加载excel文件并将数据导入neo4j数据库:
```python
if __name__ == '__main__':
file_path = 'food.xlsx'
df = read_excel(file_path)
uri = "bolt://localhost:7687"
user = "neo4j"
password = "password"
driver = connect_neo4j(uri, user, password)
for index, row in df.iterrows():
category = row['类别']
name = row['名称']
appearance = row['外观']
taste = row['味道']
insert_data(driver, category, name, appearance, taste)
driver.close()
```
以上代码中的 uri、user 和 password 需要根据你的实际情况进行修改。同时,需要注意的是,如果是第一次将数据导入neo4j数据库,需要先创建一个空的数据库。可以在neo4j的浏览器界面上执行以下命令进行创建:
```
CREATE DATABASE food
```
然后在程序中使用以下命令连接到新创建的数据库:
```python
uri = "bolt://localhost:7687"
user = "neo4j"
password = "password"
database = "food"
driver = GraphDatabase.driver(uri, auth=(user, password), database=database)
```
这样就可以成功将excel表格导入neo4j数据库了。
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