如何使用scala编写wordcount程序-创新互联

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直接上程序吧
一、公共类

2.   4.0.0

3.   testScala

4.   testScala

5.   1.0

6.   2008

7.   

8.     2.11.8

9.     2.6.0-cdh6.7.0

10.     2.2.1

11.     5.1.25

12.   

14.   

15.     

16.       scala-tools.org

17.       Scala-Tools Maven2 Repository

18.       http://scala-tools.org/repo-releases

19.     

21.     

22.       cloudera

23.       cloudera

24.       https://repository.cloudera.com/artifactory/cloudera-repos/

25.     

26.   

28.   

29.     

30.       scala-tools.org

31.       Scala-Tools Maven2 Repository

32.       http://scala-tools.org/repo-releases

33.     

34.   

36.   

37.     

38.       org.apache.spark

39.       spark-core_2.11

40.       ${spark.version}

41.     

42.     

43.       org.scala-lang

44.       scala-library

45.       ${scala.version}

46.     

47.     

48.       junit

49.       junit

50.       4.4

51.       test

52.     

53.     

54.       org.specs

55.       specs

56.       1.2.5

57.       test

58.     

60.     

61.       org.apache.hadoop

62.       hadoop-client

63.       ${hadoop.version}

64.     

66.     

67.       mysql

68.       mysql-connector-java

69.       ${mysql.version}

70.     

71.   

73.   

74.     src/main/scala

75.     src/test/scala

76.     

77.       

78.         org.scala-tools

79.         maven-scala-plugin

80.         

81.           

82.             

83.               compile

84.               testCompile

85.             

86.           

87.         

88.         

89.           ${scala.version}

90.           

91.             -target:jvm-1.5

92.           

93.         

94.       

95.       

96.         org.apache.maven.plugins

97.         maven-eclipse-plugin

98.         

99.           true

100.           

101.             ch.epfl.lamp.sdt.core.scalabuilder

102.           

103.           

104.             ch.epfl.lamp.sdt.core.scalanature

105.           

106.           

107.             org.eclipse.jdt.launching.JRE_CONTAINER

108.             ch.epfl.lamp.sdt.launching.SCALA_CONTAINER

109.           

110.         

111.       

112.     

113.   

114.   

115.     

116.       

117.         org.scala-tools

118.         maven-scala-plugin

119.         

120.           ${scala.version}

121.         

122.       

123.     

124.   

六、测试数据
hdfs dfs -ls /ruozedata/scala
Found 3 items
-rw-r--r--   3 hadoop supergroup         24 2018-02-12 14:48 /ruozedata/scala/201802121449-1.txt
-rw-r--r--   3 hadoop supergroup         12 2018-02-12 14:48 /ruozedata/scala/201802121449-2.txt
-rw-r--r--   3 hadoop supergroup         12 2018-02-12 14:48 /ruozedata/scala/201802121449-3.txt
-----------------------------------------------------------------------------------------------------------
hdfs dfs -cat /ruozedata/scala/201802121449-1.txt
hello   world
hello   worls

hdfs dfs -cat /ruozedata/scala/201802121449-2.txt
hello   ruoze

hdfs dfs -cat /ruozedata/scala/201802121449-3.txt
ruoze   hello

七、测试结果

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