import ch.njol.skript.lang.Effect; //导入依赖的package包/类
@SuppressWarnings("deprecation")
@Override
protected void execute(Event evt) {
  int id = 0;
  String core = type.getSingle(evt);
  if (core.toUpperCase().replace(" ", "_").contains("BLOCK_CRACK")
      || core.toUpperCase().replace(" ", "_").contains("BLOCK_DUST")) {
    int index = type.getSingle(evt).lastIndexOf("_");
    try {
      id = Integer.parseInt(type.getSingle(evt).substring(index + 1));
    } catch (Exception exception) {
      Skript.error("Could not parse datavalue!");
      id = 0;
    }
    core = core.substring(0, index);
  }
  player.getSingle(evt).playEffect(location.getSingle(evt), org.bukkit.Effect.getByName(core),
      Material.getMaterial(id));

}
 

import ch.njol.skript.lang.Effect; //导入依赖的package包/类
public void registerEffect(Class<? extends Effect> effect){
    if (!effect.isAnnotationPresent(Documentation.class)){
        throw new RegistrationException("Effect class: " + effect.getCanonicalName()
                + " does not have a Documentation annotation");
    }
    Documentation documentation = effect.getDeclaredAnnotation(Documentation.class);
    Skript.registerEffect(effect, addAddonPrefix(documentation.syntax()));
}
 

import ch.njol.skript.lang.Effect; //导入依赖的package包/类
/**
 * Registers an {@link Effect}.
 * 
 * @param effect The effect's class
 * @param patterns Skript patterns to match this effect
 */
@SuppressWarnings("null")
public static <E extends Effect> void registerEffect(final Class<E> effect, final String... patterns) throws IllegalArgumentException {
	checkAcceptRegistrations();
	Pair<Boolean, String[]> pair = FeatureConfig.contains(effect.getSimpleName(), patterns);
	if(pair.getFirst())
		return;
	final SyntaxElementInfo<E> info = new SyntaxElementInfo<E>(pair.getSecond(), effect);
	effects.add(info);
	statements.add(info);
}
 

import ch.njol.skript.lang.Effect; //导入依赖的package包/类
/**
 * Registers an {@link Effect}.
 * 
 * @param effect The effect's class
 * @param patterns Skript patterns to match this effect
 */
public static <E extends Effect> void registerEffect(final Class<E> effect, final String... patterns) throws IllegalArgumentException {
	checkAcceptRegistrations();
	final SyntaxElementInfo<E> info = new SyntaxElementInfo<E>(patterns, effect);
	effects.add(info);
	statements.add(info);
}
 

import ch.njol.skript.lang.Effect; //导入依赖的package包/类
public static Collection<SyntaxElementInfo<? extends Effect>> getEffects() {
	return effects;
}