<build>

        <plugins>

            <!-- compiler插件, 设定JDK版本 -->

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-compiler-plugin</artifactId>

                <version>2.3.2</version>

                <configuration>

                    <encoding>UTF-8</encoding>

                    <source>1.7</source>

                    <target>1.7</target>

                    <showWarnings>true</showWarnings>

                </configuration>

            </plugin>

            <plugin>

                <artifactId>maven-assembly-plugin</artifactId>

                <configuration>

                    <descriptorRefs>

                        <descriptorRef>jar-with-dependencies</descriptorRef>

                    </descriptorRefs>

                    <archive>

                        <manifest>

　　　　　　　　　　　　　　　　<!-- 设置jar包入口类 -->

                            <mainClass>cn.mrchor.spider.Spider</mainClass>

                        </manifest>

                    </archive>

                </configuration>

                <executions>

                    <execution>

                        <id>make-assembly</id>

                        <phase>package</phase>

                        <goals>

                            <goal>single</goal>

                        </goals>

                    </execution>

                </executions>

            </plugin>

        </plugins>

    </build>