1 依赖设置

1 scala的基本依赖设置

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>


    <groupId>com.ssjt</groupId>
    <artifactId>ods_flink</artifactId>
    <version>1.0-SNAPSHOT</version>


    <properties>
        <scala.version>2.11</scala.version>
        <flink.version>1.11.1</flink.version>
        <hbase.version>2.11</hbase.version>
        <scope.type>provided</scope.type>
    </properties>


    <dependencies>

        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-scala_${scala.version}</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-streaming-scala_${scala.version}</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-clients_${scala.version}</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-table-api-scala-bridge_${scala.version}</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-table-planner-blink_${scala.version}</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-table-planner_${scala.version}</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-json</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-parquet_${scala.version}</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-connector-kafka_${scala.version}</artifactId>
            <version>${flink.version}</version>
            <scope>${scope.type}</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-connector-hbase_${hbase.version}</artifactId>
            <version>${flink.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-metrics-prometheus_${scala.version}</artifactId>
            <version>${flink.version}</version>
        </dependency>

    </dependencies>


    <build>
        <finalName>ods_flink</finalName>
        <sourceDirectory>src/main/scala</sourceDirectory>
        <resources>
            <resource>
                <directory>src/main/resource</directory>
                <includes>
                    <!--包含文件夹以及子文件夹下所有资源-->
                    <include>**/*.*</include>
                </includes>
            </resource>
        </resources>
        <plugins>
            <plugin>
                <groupId>org.scala-tools</groupId>
                <artifactId>maven-scala-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>compile</goal>
                            <goal>testCompile</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <scalaVersion>${scala.version}.8</scalaVersion>
                    <args>
                        <arg>-target:jvm-1.8</arg>
                    </args>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>3.0.2</version>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>8</source>
                    <target>8</target>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>3.1.0</version>
                <configuration>
                    <createDependencyReducedPom>false</createDependencyReducedPom>
                </configuration>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <transformers>

                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <!--如果要打包的话，这里要换成对应的 main class-->
                                    <mainClass>com.ssjt</mainClass>
                                </transformer>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                                    <resource>reference.conf</resource>
                                </transformer>
                            </transformers>
                            <filters>
                                <filter>
                                    <artifact>*:*:*:*</artifact>
                                    <excludes>
                                        <exclude>META-INF/*.SF</exclude>
                                        <exclude>META-INF/*.DSA</exclude>
                                        <exclude>META-INF/*.RSA</exclude>
                                    </excludes>
                                </filter>
                            </filters>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

2 场景测试

1 写出到文件系统

import org.apache.flink.streaming.api.scala.StreamExecutionEnvironment
import org.apache.flink.table.api.bridge.scala.StreamTableEnvironment

object FileTest {
    
    def main(args: Array[String]): Unit = {
        // 创建执行环境
        val env = StreamExecutionEnvironment.getExecutionEnvironment
        env.enableCheckpointing(60 * 1000) // 必须设定
        val tableEnv = StreamTableEnvironment.create(env)

        // 连接数据源
        val CreateSourceTable =
            """
              |CREATE TABLE sourceTable (
              | `iid` STRING COMMENT '',
              | `local_time` AS LOCALTIMESTAMP
              | )
              | WITH (
              | 'connector' = 'datagen',
              | 'rows-per-second'='10000',
              | 'fields.iid.length'='5',
              | 'timeZone'='Asia/Shanghai'
              |)
              |""".stripMargin
        tableEnv.executeSql(CreateSourceTable)

        // 连接文件系统
        val CreateFileTable =
            """
              |CREATE TABLE test_fs_table_2 (
              |  iid STRING,
              |  local_time TIMESTAMP,
              |  dt STRING,
              |  dh STRING,
              |  dm STRING
              |) PARTITIONED BY (dt,dh,dm) WITH (
              |  'connector'='filesystem',
              |  'path'='D:\company\project\ods_flink\data\f_test',
              |  'format'='json',
              |  'sink.rolling-policy.file-size' = '1MB',
              |  'sink.partition-commit.delay'='1 h',
              | 'timeZone'='Asia/Shanghai',
              |  'sink.partition-commit.policy.kind'='success-file'
              |)
              |""".stripMargin
        tableEnv.executeSql(CreateFileTable)

        // 数据写出到文件系统
        val sql =
            """
              |INSERT INTO test_fs_table_2
              |SELECT
              |    iid,
              |    local_time,
              |    DATE_FORMAT(local_time,'yyyyMMdd'),
              |    DATE_FORMAT(local_time,'HH'),
              |    DATE_FORMAT(local_time,'mm')
              |FROM sourceTable
              |""".stripMargin
        tableEnv.executeSql(sql)

    }
}

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