Microsoft Windows [版本 6.1.7601]

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C:\Users\Bo>scalac

Usage: scalac <options> <source files>

用法: scalac <选项> <源文件们>

where possible standard options include:

可能的标准选项包括

  -Dproperty=value           Pass -Dproperty=value directly to the runtime syste

m.

  Dproperty这个选项的值将直接传递给运行时环境

  -J<flag>                   Pass <flag> directly to the runtime system.

  -J后面紧跟的内容会直接传递给运行时环境

  -P:<plugin>:<opt>          Pass an option to a plugin

  传递参数给插件

  -X                         Print a synopsis of advanced options.

  打印高级选项的摘要

  -bootclasspath <path>      Override location of bootstrap class files.

  覆盖默认的类加载器路径

  -classpath <path>          Specify where to find user class files.

  声明用户定义的类路径

  -d <directory|jar>         destination for generated classfiles.

  目标路径

  -dependencyfile <file>     Set dependency tracking file.

  设置依赖追踪文件

  -deprecation               Emit warning and location for usages of deprecated

APIs.

  对使用过时的API发出警告

  -encoding <encoding>       Specify character encoding used by source files.

  声明源文件使用的编码方式

  -explaintypes              Explain type errors in more detail.

  打印更详细的类型错误信息

  -extdirs <path>            Override location of installed extensions.

  覆盖安装的扩展的路径

  -feature                   Emit warning and location for usages of features th

at should be imported explicitly.

  对使用需要显示导入的特性发出警告，并打印使用的位置

  -g:<level>                 Set level of generated debugging info. (none,source

,line,vars,notailcalls) default:vars

   设置调试信息的等级

  -help                      Print a synopsis of standard options

  -javabootclasspath <path>  Override java boot classpath.

  -javaextdirs <path>        Override java extdirs classpath.

  -language:<feature>        Enable one or more language features.

  -no-specialization         Ignore @specialize annotations.

  -nobootcp                  Do not use the boot classpath for the scala jars.

  -nowarn                    Generate no warnings.

  不显示警告

  -optimise                  Generates faster bytecode by applying optimisations

  执行优化

 to the program

  -print                     Print program with Scala-specific features removed.

  -sourcepath <path>         Specify location(s) of source files.

  不要以为这是用来声明源文件的路径

  -target:<target>           Target platform for object files. All JVM 1.5 targe

ts are deprecated. (jvm-1.5,jvm-1.5-fjbg,jvm-1.5-asm,jvm-1.6,jvm-1.7,msil) defau

lt:jvm-1.6

  -toolcp <path>             Add to the runner classpath.

  -unchecked                 Enable additional warnings where generated code dep

ends on assumptions.

  -uniqid                    Uniquely tag all identifiers in debugging output.

  -usejavacp                 Utilize the java.class.path in classpath resolution

.

  -verbose                   Output messages about what the compiler is doing.

  以冗长的方式，打印编译起正在做什么

  -version                   Print product version and exit.

  @<file>                    A text file containing compiler arguments (options

and source files)

 以文件的方式传递编译参数

Deprecated settings:

  -make:<policy>             Recompilation detection policy (all,changed,immedia

te,transitive,transitivenocp) default:all

                               deprecated: this option is unmaintained.  Use sbt

 or an IDE for selective recompilation.

Options for plugin ‘continuations‘:

  -P:continuations:enable        Enable continuations

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scalac -d test.jar D:\abc\def\*

scala -cp test.jar MainObject

Scalac 命令