如果计数不同,我需要比较两者并打印错误 数据帧计数: val dfcount = df.count.toInt 输入计数: import java.io.BufferedReader
val reader: BufferedReader= new BufferedReader(new InputStreamReader(<e
import java.io.BufferedReader; import java.io.InputStreamReadera)throws Exception{ InputStreamReader is = new InputStreamReadersb=new StringBuilder();
BufferedReader br = new