spark字符串转json
时间: 2023-12-17 20:04:28 浏览: 132
字符串或链表转json
在Spark中,可以使用`spark.read.json()`方法将字符串转换为JSON格式。示例代码如下:
```python
from pyspark.sql import SparkSession
spark = SparkSession.builder.appName("StringToJson").getOrCreate()
# 定义字符串
json_string = '{"name": "Alice", "age": 25, "city": "New York"}'
# 将字符串转换为DataFrame
df = spark.read.json(sc.parallelize([json_string]))
# 显示DataFrame
df.show()
```
输出结果为:
```
+---+-------+--------+
|age| city| name|
+---+-------+--------+
| 25|New York| Alice|
+---+-------+--------+
```
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