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我已經使用Maven設置了Scala項目。但它不編譯。我得到了一些奇怪的錯誤,比如缺少一些基本的東西其中一些是:斯卡拉錯誤「value toInt不是字符串的成員」和「找不到:type」
[ERROR] /home/victor/Work/Projects/Own/Scraper/src/main/scala/me/crawler/Node.scala:17: error: not found: type Map
[INFO] var attributes: Map[String, String] = null
[INFO] ^
[ERROR] /home/victor/Work/Projects/Own/Scraper/src/main/scala/me/crawler/CompanySiteEmailCrawlerController.scala:137: error: not found: type Set
[INFO] private def addEmailToCompanyList(harvestedRecordsCompanyList: List[Company], company: Company, emailSet: Set[String],[INFO] ^
[ERROR] /home/victor/Work/Projects/Own/Scraper/src/main/scala/me/crawler/CompanySiteEmailCrawlerController.scala:186: error: value toInt is not a member of String
[INFO] lineFrom = args(3).toInt
[INFO] ^
[ERROR] /home/victor/Work/Projects/Own/Scraper/src/main/scala/me/crawler/crawler4j/Crawler4jAdaptee.scala:25: error: not found: value classOf
[INFO] private val log: Logger = Logger.getLogger(classOf[Crawler4jAdaptee])
[INFO] ^
[ERROR] /home/victor/Work/Projects/Own/Scraper/src/main/scala/me/crawler/crawler4j/Crawler4jAdaptee.scala:126: error: not found: type Map
[INFO] val attributesMap: Map[String, String] = attributes.map(a => (a.getKey, a.getValue)).toMap
[INFO] ^
所以Map
和Set
集合都不會被發現那位和toInt
方法不適用於字符串的工作。在我pom.xml
我:
<dependencies>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>2.10.2</version>
</dependency>
</dependencies>
<build>
<sourceDirectory>src/main/scala</sourceDirectory>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<version>2.15.2</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>scala</id>
<name>Scala Tools</name>
<url>http://scala-tools.org/repo-releases/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>scala</id>
<name>Scala Tools</name>
<url>http://scala-tools.org/repo-releases/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
,當我在理念上運行它,我得到同樣的錯誤,雖然IDE不抱怨的代碼,只有編譯器。我對Scala很陌生。你能幫我在這裏嗎?
與週期類似的東西。我不能使用'for(i < - 1到10)',而不得不使用'for(i < - Range(0,10))',否則我得到'不是Int成員的錯誤' 。 – Vic