sparkconf怎么设置链接mysql的参数吗

您可以使用以下代码来设置SparkConf以连接MySQL数据库：

from pyspark import SparkConf

conf = SparkConf().\
        setAppName("mysql app").\ 
        setMaster("local[2]").\ 
        set("spark.executor.memory", "1g").\ 
        set("spark.driver.memory", "1g").\ 
        set("spark.jars", "path/to/mysql-connector-java.jar").\ 
        set("spark.driver.extraClassPath", "path/to/mysql-connector-java.jar").\ 
        set("spark.executor.extraClassPath", "path/to/mysql-connector-java.jar").\ 
        set("spark.sql.catalogImplementation", "hive").\ 
        set("spark.sql.catalog.spark_catalog", "org.apache.spark.sql.catalog.InMemoryCatalog").\
        set("spark.sql.sources.default", "com.mysql.jdbc.Driver").\
        set("spark.sql.catalogImplementation", "hive").\
        set("spark.sql.catalog.my-mysql-db", "com.mysql.jdbc.Driver").
        set("spark.sql.catalog.my-mysql-db.url", "jdbc:mysql://localhost:3306/mydb").
        set("spark.sql.catalog.my-mysql-db.user", "mysql_user").
        set("spark.sql.catalog.my-mysql-db.password", "mysql_user_password")

您需要将上述代码中的URL，用户和密码更改为您自己的数据库URL，用户名和密码。