1、Spark 通过api，hfile两种形式获取hbase数据，简单样例

<dependency>
            <groupId>org.apache.hbase</groupId>
            <artifactId>hbase-server</artifactId>
            <version>0.98.6-cdh5.2.0</version>
            <exclusions>
                <exclusion>
                    <artifactId>javax.servlet-api</artifactId>
                    <groupId>javax.servlet</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>javax.servlet</artifactId>
                    <groupId>org.eclipse.jetty.orbit</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>servlet-api-2.5</artifactId>
                    <groupId>org.mortbay.jetty</groupId>
                </exclusion>
                <exclusion>
                    <artifactId>servlet-api</artifactId>
                    <groupId>javax.servlet</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-core_2.10</artifactId>
            <version>1.5.2-hdh3.1.0</version>
            <exclusions>
                <exclusion>
                    <artifactId>hadoop-client</artifactId>
                    <groupId>org.apache.hadoop</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-sql_2.10</artifactId>
            <version>1.5.2-hdh3.1.0</version>
            <exclusions>
                <exclusion>
                    <artifactId>javax.servlet-api</artifactId>
                    <groupId>javax.servlet</groupId>
                </exclusion>
            </exclusions>
        </dependency><dependency>
            <groupId>