DataFrame写入mySql

1.java的jdbc

可以自动创建数据库中的表,属性可以从配置文件获得(见其他博客)

val props = new Properties()
    props.setProperty("driver","com.mysql.jdbc.Driver")
    props.setProperty("user","root")
    props.setProperty("password","123")
    reslult.map(tp => (tp._1, tp._2(0), tp._2(1), tp._2(2), tp._2(3), tp._2(4), tp._2(5), tp._2(6), tp._2(7), tp._2(8), tp._2(9)))
      .toDF("AttachRWBureau", "allData", "atpError", "main", "wifi", "balise", "TCR", "speed", "DMI", "TIU", "JRU")
      .write.mode(SaveMode.Overwrite)
      .jdbc("jdbc:mysql://localhost:3306/ssm?characterEncoding=UTF-8","AttachRWBureauAnaylysis0701",props)

2.scalikejdbc

导入依赖

<dependency>
            <groupId>org.scalikejdbc</groupId>
            <artifactId>scalikejdbc-config_2.11</artifactId>
            <version>3.1.0</version>
        </dependency>

在resource文件夹中的application.conf中完全匹配字段设置连接配置

#配置jdbc连接
db.default.url="jdbc:mysql://localhost:3306/ssm?characterEncoding=UTF-8"
db.default.driver="com.mysql.jdbc.Driver"
db.default.user="root"
db.default.password="123"

使用likejdbc的语法(见其他博客)
需要提前设置好表格

DBs.setup()
    rddResult.foreachPartition(partition => {
     
      DB.localTx {
      implicit session =>
        partition.foreach(tp => {
     
          SQL("insert into attachrwbureauanaylysis0701  values (?,?,?,?,?,?,?,?,?,?,?)")
            .bind(tp._1, tp._2(0), tp._2(1), tp._2(2), tp._2(3), tp._2(4), tp._2(5), tp._2(6), tp._2(7), tp._2(8), tp._2(9))
            .update()
            .apply()
        })
      }
    })

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