refactor: 重构命令类库 支持自定义生成帮助页面

Signed-off-by: 502647092 <admin@yumc.pw>

src/main/java/pw/yumc/YumCore/commands/CommandHelp.java

@@ -2,10 +2,11 @@ package pw.yumc.YumCore.commands;
 
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
-import pw.yumc.YumCore.bukkit.P;
+import pw.yumc.YumCore.bukkit.Log;
 import pw.yumc.YumCore.commands.annotation.Help;
 import pw.yumc.YumCore.commands.info.CommandInfo;
-import pw.yumc.YumCore.commands.interfaces.CommandHelpParse;
+import pw.yumc.YumCore.commands.interfaces.HelpGenerator;
+import pw.yumc.YumCore.commands.interfaces.HelpParse;
 
 import java.util.*;
 
@@ -16,19 +17,7 @@ import java.util.*;
  * @author 喵♂呜
  */
 public class CommandHelp {
-    /**
+    private static String commandNotFound = "§c当前插件未注册默认命令以及子命令!";
-     * 消息配置
-     */
-    private static String prefix = String.format("§6[§b%s§6] ", P.instance.getName());
-    private static String commandNotFound = prefix + "§c当前插件未注册默认命令以及子命令!";
-    private static String pageNotFound = prefix + "§c不存在的帮助页面 §b请输入 /%s help §e1-%s";
-    private static String helpTitle = String.format("§6========= %s §6帮助 §aBy §b喵♂呜 §6=========", prefix);
-    private static String helpBody = "§6/%1$s §a%2$s §e%3$s §6- §b%4$s";
-    private static String helpFooter = "§6查看更多的帮助页面 §b请输入 /%s help §e1-%s";
-    /**
-     * 帮助页面每页行数
-     */
-    private static int LINES_PER_PAGE = 7;
     /**
      * 默认命令
      */
@@ -38,17 +27,21 @@ public class CommandHelp {
      */
     private List<CommandInfo> cmdlist;
     /**
-     * 命令解析
+     * 帮助页生成
      */
-    private CommandHelpParse helpParse;
+    private HelpGenerator helpGenerator = new DefaultHelpGenerator();
-    /**
-     * 帮助页面数量
-     */
-    private int HELPPAGECOUNT;
     /**
      * 帮助列表缓存
      */
     private Map<String, String[]> cacheHelp = new HashMap<>();
+    /**
+     * 帮助页面每页行数
+     */
+    private static int LINES_PER_PAGE = 7;
+    /**
+     * 帮助页面数量
+     */
+    private int HELPPAGECOUNT;
 
     /**
      * 命令帮助
@@ -70,40 +63,12 @@ public class CommandHelp {
      */
     public CommandHelp(CommandInfo defCmd, Collection<? extends CommandInfo> list) {
         this.defCmd = defCmd;
-        cmdlist = new LinkedList<CommandInfo>(list);
+        cmdlist = new LinkedList<>(list);
         Collections.sort(cmdlist, new CommandNameComparator());
         Collections.sort(cmdlist, new CommandComparator());
         HELPPAGECOUNT = (int) Math.ceil((double) cmdlist.size() / LINES_PER_PAGE);
     }
 
-    /**
-     * 格式化命令信息
-     *
-     * @param ci
-     *            命令信息
-     * @param label
-     *            命令
-     * @return 格式化后的字串
-     */
-    public String formatCommand(CommandInfo ci, String label) {
-        String aliases = Arrays.toString(ci.getCommand().aliases());
-        String cmd = ci.getName() + (aliases.length() == 2 ? "" : "§7" + aliases);
-        Help help = ci.getHelp();
-        return String.format(helpBody, label, cmd, help.possibleArguments(), formatHelp(help.value()));
-    }
-
-    /**
-     * 解析帮助
-     *
-     * @param value
-     *            参数
-     * @return 解析后的帮助
-     */
-    public String formatHelp(String value) {
-        if (helpParse != null) { return helpParse.parse(value); }
-        return value;
-    }
-
     /**
      * 发送帮助
      *
@@ -115,56 +80,63 @@ public class CommandHelp {
      *            标签
      * @param args
      *            参数
+     * @return 是否发送成功
      */
     public boolean send(CommandSender sender, Command command, String label, String[] args) {
         if (this.HELPPAGECOUNT == 0) {
-            sender.sendMessage(commandNotFound);
+            Log.toSender(sender, commandNotFound);
             return true;
         }
         int page = 1;
         try {
             page = Integer.parseInt(args[1]);
             page = page == 0 ? 1 : page;
-        } catch (Exception e) {
+        } catch (Exception ignored) {
-            // Ignore
         }
         String helpkey = label + page;
         if (!cacheHelp.containsKey(helpkey)) {
-            List<String> helpList = new LinkedList<>();
+            if (page > HELPPAGECOUNT || page < 1) {
-            if (page > this.HELPPAGECOUNT || page < 1) {
                 // 帮助页面不存在 
-                helpList.add(String.format(pageNotFound, label, HELPPAGECOUNT));
+                cacheHelp.put(helpkey, new String[] { helpGenerator.notFound(label, HELPPAGECOUNT) });
             } else {
+                List<String> helpList = new LinkedList<>();
                 // 帮助标题
-                helpList.add(helpTitle);
+                helpList.add(helpGenerator.title());
                 if (page == 1 && defCmd != null) {
-                    helpList.add(formatCommand(defCmd, label));
+                    helpList.add(helpGenerator.body(label, defCmd));
                 }
                 int start = LINES_PER_PAGE * (page - 1);
                 int end = start + LINES_PER_PAGE;
                 for (int i = start; i < end; i++) {
-                    if (this.cmdlist.size() > i) {
+                    if (cmdlist.size() > i) {
                         // 帮助列表
-                        helpList.add(formatCommand(cmdlist.get(i), label));
+                        helpList.add(helpGenerator.body(label, cmdlist.get(i)));
                     }
                 }
                 // 帮助结尾
-                helpList.add(String.format(helpFooter, label, HELPPAGECOUNT));
+                helpList.add(helpGenerator.foot(label, HELPPAGECOUNT));
+                cacheHelp.put(helpkey, helpList.toArray(new String[] {}));
             }
-            cacheHelp.put(helpkey, helpList.toArray(new String[0]));
         }
         sender.sendMessage(cacheHelp.get(helpkey));
         return true;
     }
 
     /**
-     * 设置解析器
+     * 设置帮助生成器
      * 
-     * @param helpParse
+     * @param helpGenerator
-     *            帮助解析器
+     *            帮助生成器
      */
-    public void setHelpParse(CommandHelpParse helpParse) {
+    public void setHelpGenerator(HelpGenerator helpGenerator) {
-        this.helpParse = helpParse;
+        this.helpGenerator = helpGenerator;
+    }
+
+    /**
+     * @return 命令帮助生成器
+     */
+    public HelpGenerator getHelpGenerator() {
+        return helpGenerator;
     }
 
     /**
@@ -198,4 +170,63 @@ public class CommandHelp {
             }
         }
     }
+
+    static class DefaultHelpGenerator implements HelpGenerator {
+        /**
+         * 消息配置
+         */
+        private static String helpTitle = String.format("§6========= %s §6帮助 §aBy §b喵♂呜 §6=========", Log.getPrefix());
+        private static String helpBody = "§6/%1$s §a%2$s §e%3$s §6- §b%4$s";
+        private static String helpFooter = "§6查看更多的帮助页面 §b请输入 /%s help §e1-%s";
+        private static String pageNotFound = "§c不存在的帮助页面 §b请输入 /%s help §e1-%s";
+        /**
+         * 帮助解析
+         */
+        private HelpParse helpParse;
+
+        @Override
+        public String title() {
+            return helpTitle;
+        }
+
+        @Override
+        public String body(String label, CommandInfo ci) {
+            String aliases = Arrays.toString(ci.getCommand().aliases());
+            String cmd = ci.getName() + (aliases.length() == 2 ? "" : "§7" + aliases);
+            Help help = ci.getHelp();
+            return String.format(helpBody, label, cmd, help.possibleArguments(), parse(help.value()));
+        }
+
+        @Override
+        public String foot(String label, int HELPPAGECOUNT) {
+            return String.format(helpFooter, label, HELPPAGECOUNT);
+        }
+
+        @Override
+        public String notFound(String label, int HELPPAGECOUNT) {
+            return String.format(pageNotFound, label, HELPPAGECOUNT);
+        }
+
+        /**
+         * 解析帮助
+         *
+         * @param value
+         *            参数
+         * @return 解析后的帮助
+         */
+        public String parse(String value) {
+            if (helpParse != null) { return helpParse.parse(value); }
+            return value;
+        }
+
+        /**
+         * 设置解析器
+         *
+         * @param helpParse
+         *            帮助解析器
+         */
+        public void setHelpParse(HelpParse helpParse) {
+            this.helpParse = helpParse;
+        }
+    }
 }

src/main/java/pw/yumc/YumCore/commands/CommandManager.java

@@ -10,10 +10,16 @@ import org.bukkit.util.StringUtil;
 import pw.yumc.YumCore.bukkit.Log;
 import pw.yumc.YumCore.bukkit.P;
 import pw.yumc.YumCore.bukkit.compatible.C;
+import pw.yumc.YumCore.commands.exception.ArgumentException;
+import pw.yumc.YumCore.commands.exception.CommandException;
+import pw.yumc.YumCore.commands.exception.PermissionException;
+import pw.yumc.YumCore.commands.exception.SenderException;
 import pw.yumc.YumCore.commands.info.CommandInfo;
 import pw.yumc.YumCore.commands.info.CommandTabInfo;
-import pw.yumc.YumCore.commands.interfaces.CommandExecutor;
+import pw.yumc.YumCore.commands.interfaces.ErrorHanlder;
-import pw.yumc.YumCore.commands.interfaces.CommandHelpParse;
+import pw.yumc.YumCore.commands.interfaces.Executor;
+import pw.yumc.YumCore.commands.interfaces.HelpGenerator;
+import pw.yumc.YumCore.commands.interfaces.HelpParse;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
@@ -30,6 +36,11 @@ import java.util.*;
 public class CommandManager implements TabExecutor {
     private static String argumentTypeError = "注解命令方法 %s 位于 %s 的参数错误 第一个参数应实现 CommandSender 接口!";
     private static String returnTypeError = "注解命令补全 %s 位于 %s 的返回值错误 应实现 List 接口!";
+    private static String onlyExecutor = "§c当前命令仅允许 §b%s §c执行!";
+    private static String losePerm = "§c你需要有 %s 的权限才能执行此命令!";
+    private static String cmdErr = "§6错误原因: §4命令参数不正确!";
+    private static String cmdUse = "§6使用方法: §e/%s %s%s";
+    private static String cmdDes = "§6命令描述: §3%s";
     private static Constructor<PluginCommand> PluginCommandConstructor;
     private static Map<String, Command> knownCommands;
     private static Map<String, Plugin> lookupNames;
@@ -57,6 +68,31 @@ public class CommandManager implements TabExecutor {
         }
     }
 
+    /**
+     * 命令帮助
+     */
+    private CommandHelp help;
+    /**
+     * 插件命令
+     */
+    private PluginCommand cmd;
+    /**
+     * 命令错误处理
+     */
+    private ErrorHanlder commandErrorHanlder = new ErrorHanlder() {
+        @Override
+        public void error(CommandException e, CommandSender sender, CommandInfo info, CommandArgument args) {
+            if (e instanceof SenderException) {
+                Log.toSender(sender, onlyExecutor, info.getExecutorStr());
+            } else if (e instanceof PermissionException) {
+                Log.toSender(sender, losePerm, info.getCommand().permission());
+            } else if (e instanceof ArgumentException) {
+                Log.toSender(sender, cmdErr);
+                Log.toSender(sender, cmdUse, args.getAlias(), info.isDefault() ? "" : info.getName() + " ", info.getHelp().possibleArguments());
+                Log.toSender(sender, cmdDes, info.getHelp().value());
+            }
+        }
+    };
     /**
      * 插件实例类
      */
@@ -81,14 +117,6 @@ public class CommandManager implements TabExecutor {
      * 命令名称缓存
      */
     private List<String> cmdNameCache = new ArrayList<>();
-    /**
-     * 命令帮助
-     */
-    private CommandHelp help;
-    /**
-     * 插件命令
-     */
-    private PluginCommand cmd;
 
     /**
      * 命令管理器
@@ -118,7 +146,7 @@ public class CommandManager implements TabExecutor {
      * @param executor
      *            命令执行类
      */
-    public CommandManager(String name, CommandExecutor... executor) {
+    public CommandManager(String name, Executor... executor) {
         this(name);
         register(executor);
     }
@@ -207,11 +235,19 @@ public class CommandManager implements TabExecutor {
         String subcmd = args[0].toLowerCase();
         if (subcmd.equalsIgnoreCase("help")) { return help.send(sender, command, label, args); }
         CommandInfo cmd = getByCache(subcmd);
+        CommandArgument arg;
         if (cmd.equals(CommandInfo.Unknow) && defCmd != null) {
-            return defCmd.execute(new CommandArgument(sender, command, label, args));
+            cmd = defCmd;
+            arg = new CommandArgument(sender, command, label, args);
         } else {
-            return cmd.execute(new CommandArgument(sender, command, label, moveStrings(args, 1)));
+            arg = new CommandArgument(sender, command, label, moveStrings(args, 1));
         }
+        try {
+            return cmd.execute(arg);
+        } catch (CommandException e) {
+            commandErrorHanlder.error(e, sender, cmd, arg);
+        }
+        return false;
     }
 
     @Override
@@ -235,8 +271,8 @@ public class CommandManager implements TabExecutor {
      * @param clazzs
      *            子命令处理类
      */
-    public void register(CommandExecutor... clazzs) {
+    public CommandManager register(Executor... clazzs) {
-        for (CommandExecutor clazz : clazzs) {
+        for (Executor clazz : clazzs) {
             Method[] methods = clazz.getClass().getDeclaredMethods();
             for (Method method : methods) {
                 if (registerCommand(method, clazz)) {
@@ -247,6 +283,7 @@ public class CommandManager implements TabExecutor {
         }
         help = new CommandHelp(defCmd, cmds);
         buildCmdNameCache();
+        return this;
     }
 
     /**
@@ -258,7 +295,7 @@ public class CommandManager implements TabExecutor {
      *            调用对象
      * @return 是否成功
      */
-    private boolean registerCommand(Method method, CommandExecutor clazz) {
+    private boolean registerCommand(Method method, Executor clazz) {
         CommandInfo ci = CommandInfo.parse(method, clazz);
         if (ci != null) {
             Class[] params = method.getParameterTypes();
@@ -289,7 +326,7 @@ public class CommandManager implements TabExecutor {
      *            调用对象
      * @return 是否成功
      */
-    private boolean registerTab(Method method, CommandExecutor clazz) {
+    private boolean registerTab(Method method, Executor clazz) {
         CommandTabInfo ti = CommandTabInfo.parse(method, clazz);
         if (ti != null) {
             if (method.getReturnType().equals(List.class)) {
@@ -301,13 +338,40 @@ public class CommandManager implements TabExecutor {
         return false;
     }
 
+    /**
+     * 设置命令错误处理器
+     * 
+     * @param commandErrorHanlder
+     *            命令错误处理器
+     */
+    public CommandManager setCommandErrorHanlder(ErrorHanlder commandErrorHanlder) {
+        this.commandErrorHanlder = commandErrorHanlder;
+        return this;
+    }
+
+    /**
+     * 设置帮助生成器
+     *
+     * @param helpGenerator
+     *            帮助生成器
+     */
+    public CommandManager setHelpGenerator(HelpGenerator helpGenerator) {
+        help.setHelpGenerator(helpGenerator);
+        return this;
+    }
+
     /**
      * 设置帮助解析器
      *
      * @param helpParse
      *            帮助解析器
      */
-    public void setHelpParse(CommandHelpParse helpParse) {
+    public CommandManager setHelpParse(HelpParse helpParse) {
-        help.setHelpParse(helpParse);
+        if (help.getHelpGenerator() instanceof CommandHelp.DefaultHelpGenerator) {
+            ((CommandHelp.DefaultHelpGenerator) help.getHelpGenerator()).setHelpParse(helpParse);
+        } else {
+            Log.w("已设置自定义帮助生成器 解析器设置将不会生效!");
+        }
+        return this;
     }
 }

src/main/java/pw/yumc/YumCore/commands/CommandParse.java

@@ -1,20 +1,19 @@
 package pw.yumc.YumCore.commands;
 
-import java.io.File;
-import java.lang.annotation.Annotation;
-import java.lang.reflect.Method;
-import java.util.*;
-
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
-
 import pw.yumc.YumCore.bukkit.Log;
 import pw.yumc.YumCore.commands.annotation.Default;
 import pw.yumc.YumCore.commands.annotation.KeyValue;
 import pw.yumc.YumCore.commands.annotation.Limit;
-import pw.yumc.YumCore.commands.exception.CommandParseException;
+import pw.yumc.YumCore.commands.exception.ParseException;
+
+import java.io.File;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.util.*;
 
 /**
  * 命令参数解析
@@ -47,7 +46,7 @@ public class CommandParse {
             if (clazz.isEnum()) {
                 parse = new EnumParse(clazz);
             }
-            if (parse == null) { throw new CommandParseException(String.format("存在无法解析的参数类型 %s", clazz.getName())); }
+            if (parse == null) { throw new ParseException(String.format("存在无法解析的参数类型 %s", clazz.getName())); }
             this.parse.add(parse.clone().parseAnnotation(annotations));
         }
     }
@@ -92,7 +91,7 @@ public class CommandParse {
                 }
                 pobjs.add(param == null ? null : p.parse(cmdArgs.getSender(), param));
             } catch (Exception e) {
-                throw new CommandParseException(String.format("第 %s 个参数 ", isMain ? 1 : 2 + i) + e.getMessage());
+                throw new ParseException(String.format("第 %s 个参数 ", isMain ? 1 : 2 + i) + e.getMessage());
             }
         }
         Log.d("解析参数: %s => %s", Arrays.toString(args), pobjs);
@@ -110,7 +109,7 @@ public class CommandParse {
             try {
                 return Boolean.parseBoolean(arg);
             } catch (Exception e) {
-                throw new CommandParseException("必须为True或者False!", e);
+                throw new ParseException("必须为True或者False!", e);
             }
         }
     }
@@ -129,7 +128,7 @@ public class CommandParse {
             try {
                 return Enum.valueOf(etype, arg);
             } catch (IllegalArgumentException ex) {
-                throw new CommandParseException(String.format("不是 %s 有效值为 %s", etype.getSimpleName(), Arrays.toString(elist)));
+                throw new ParseException(String.format("不是 %s 有效值为 %s", etype.getSimpleName(), Arrays.toString(elist)));
             }
         }
     }
@@ -140,9 +139,9 @@ public class CommandParse {
         }
 
         @Override
-        public File parse(CommandSender sender, String arg) throws CommandParseException {
+        public File parse(CommandSender sender, String arg) throws ParseException {
             File file = new File(arg);
-            if (attrs.containsKey("check") && !file.exists()) { throw new CommandParseException("文件 " + arg + " 不存在!"); }
+            if (attrs.containsKey("check") && !file.exists()) { throw new ParseException("文件 " + arg + " 不存在!"); }
             return file;
         }
     }
@@ -162,7 +161,7 @@ public class CommandParse {
                 }
                 return result;
             } catch (NumberFormatException e) {
-                throw new CommandParseException("必须为数字!", e);
+                throw new ParseException("必须为数字!", e);
             }
         }
     }
@@ -182,7 +181,7 @@ public class CommandParse {
                 }
                 return result;
             } catch (NumberFormatException e) {
-                throw new CommandParseException("必须为数字!", e);
+                throw new ParseException("必须为数字!", e);
             }
         }
     }
@@ -202,7 +201,7 @@ public class CommandParse {
                 }
                 return result;
             } catch (NumberFormatException e) {
-                throw new CommandParseException("必须为数字!", e);
+                throw new ParseException("必须为数字!", e);
             }
         }
     }
@@ -217,7 +216,7 @@ public class CommandParse {
             try {
                 return Material.valueOf(arg);
             } catch (Exception e) {
-                throw new CommandParseException(String.format("%s 不是一个有效的Material枚举", arg), e);
+                throw new ParseException(String.format("%s 不是一个有效的Material枚举", arg), e);
             }
         }
     }
@@ -241,7 +240,7 @@ public class CommandParse {
             return def;
         }
 
-        public abstract RT parse(CommandSender sender, String arg) throws CommandParseException;
+        public abstract RT parse(CommandSender sender, String arg) throws ParseException;
 
         public Parse<RT> parseAnnotation(Annotation[] annotations) {
             for (Annotation annotation : annotations) {
@@ -259,7 +258,7 @@ public class CommandParse {
         }
 
         public void throwException(String str, Object... objects) {
-            throw new CommandParseException(String.format(str, objects));
+            throw new ParseException(String.format(str, objects));
         }
 
         public void throwRange() {
@@ -267,7 +266,7 @@ public class CommandParse {
         }
 
         public void throwRange(String str) {
-            throw new CommandParseException(String.format(str == null ? "范围必须在 %s 到 %s 之间!" : str, min, max));
+            throw new ParseException(String.format(str == null ? "范围必须在 %s 到 %s 之间!" : str, min, max));
         }
     }
 
@@ -281,7 +280,7 @@ public class CommandParse {
         @Override
         public Player parse(CommandSender sender, String arg) {
             Player p = Bukkit.getPlayerExact(arg);
-            if (check && p == null) { throw new CommandParseException("玩家 " + arg + " 不存在或不在线!"); }
+            if (check && p == null) { throw new ParseException("玩家 " + arg + " 不存在或不在线!"); }
             return p;
         }
 

src/main/java/pw/yumc/YumCore/commands/exception/ArgumentException.java

@@ -0,0 +1,22 @@
+package pw.yumc.YumCore.commands.exception;
+
+/**
+ * 命令参数解析异常
+ *
+ * @author 喵♂呜
+ * @since 2016年10月5日 下午5:15:43
+ */
+public class ArgumentException extends CommandException {
+
+    public ArgumentException(Exception e) {
+        super(e);
+    }
+
+    public ArgumentException(String string) {
+        super(string);
+    }
+
+    public ArgumentException(String string, Exception e) {
+        super(string, e);
+    }
+}

src/main/java/pw/yumc/YumCore/commands/exception/CommandArgumentException.java

@@ -1,22 +0,0 @@
-package pw.yumc.YumCore.commands.exception;
-
-/**
- * 命令参数解析异常
- *
- * @author 喵♂呜
- * @since 2016年10月5日 下午5:15:43
- */
-public class CommandArgumentException extends CommandException {
-
-    public CommandArgumentException(Exception e) {
-        super(e);
-    }
-
-    public CommandArgumentException(String string) {
-        super(string);
-    }
-
-    public CommandArgumentException(String string, Exception e) {
-        super(string, e);
-    }
-}

src/main/java/pw/yumc/YumCore/commands/exception/CommandParseException.java

@@ -1,22 +0,0 @@
-package pw.yumc.YumCore.commands.exception;
-
-/**
- * 命令参数解析异常
- * 
- * @author 喵♂呜
- * @since 2016年10月5日 下午5:15:43
- */
-public class CommandParseException extends CommandException {
-
-    public CommandParseException(Exception e) {
-        super(e);
-    }
-
-    public CommandParseException(String string) {
-        super(string);
-    }
-
-    public CommandParseException(String string, Exception e) {
-        super(string, e);
-    }
-}

src/main/java/pw/yumc/YumCore/commands/exception/ParseException.java

@@ -0,0 +1,22 @@
+package pw.yumc.YumCore.commands.exception;
+
+/**
+ * 命令参数解析异常
+ * 
+ * @author 喵♂呜
+ * @since 2016年10月5日 下午5:15:43
+ */
+public class ParseException extends CommandException {
+
+    public ParseException(Exception e) {
+        super(e);
+    }
+
+    public ParseException(String string) {
+        super(string);
+    }
+
+    public ParseException(String string, Exception e) {
+        super(string, e);
+    }
+}

src/main/java/pw/yumc/YumCore/commands/exception/PermissionException.java

@@ -0,0 +1,22 @@
+package pw.yumc.YumCore.commands.exception;
+
+/**
+ * 命令参数解析异常
+ * 
+ * @author 喵♂呜
+ * @since 2016年10月5日 下午5:15:43
+ */
+public class PermissionException extends CommandException {
+
+    public PermissionException(Exception e) {
+        super(e);
+    }
+
+    public PermissionException(String string) {
+        super(string);
+    }
+
+    public PermissionException(String string, Exception e) {
+        super(string, e);
+    }
+}

src/main/java/pw/yumc/YumCore/commands/exception/SenderException.java

@@ -0,0 +1,22 @@
+package pw.yumc.YumCore.commands.exception;
+
+/**
+ * 命令参数解析异常
+ * 
+ * @author 喵♂呜
+ * @since 2016年10月5日 下午5:15:43
+ */
+public class SenderException extends CommandException {
+
+    public SenderException(Exception e) {
+        super(e);
+    }
+
+    public SenderException(String string) {
+        super(string);
+    }
+
+    public SenderException(String string, Exception e) {
+        super(string, e);
+    }
+}

src/main/java/pw/yumc/YumCore/commands/info/CommandInfo.java

@@ -11,9 +11,7 @@ import pw.yumc.YumCore.commands.annotation.Cmd;
 import pw.yumc.YumCore.commands.annotation.Cmd.Executor;
 import pw.yumc.YumCore.commands.annotation.Help;
 import pw.yumc.YumCore.commands.annotation.Sort;
-import pw.yumc.YumCore.commands.exception.CommandArgumentException;
+import pw.yumc.YumCore.commands.exception.*;
-import pw.yumc.YumCore.commands.exception.CommandException;
-import pw.yumc.YumCore.commands.exception.CommandParseException;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.InvocationTargetException;
@@ -30,12 +28,7 @@ import java.util.Objects;
  */
 public class CommandInfo {
     public static CommandInfo Unknow = new CommandInfo();
-    private static String onlyExecutor = "§c当前命令仅允许 §b%s §c执行!";
-    private static String losePerm = "§c你需要有 %s 的权限才能执行此命令!";
     private static String argErr = "§c参数错误: §4%s";
-    private static String cmdErr = "§6错误原因: §4命令参数不正确!";
-    private static String cmdUse = "§6使用方法: §e/%s %s %s";
-    private static String cmdDes = "§6命令描述: §3%s";
     private static Help defHelp = new Help() {
         @Override
         public Class<? extends Annotation> annotationType() {
@@ -59,6 +52,7 @@ public class CommandInfo {
     private List<Executor> executors;
     private String executorStr;
     private boolean async;
+    private boolean def;
     private Cmd command;
     private Help help;
     private int sort;
@@ -74,6 +68,7 @@ public class CommandInfo {
         this.command = command;
         this.help = help != null ? help : defHelp;
         this.async = async;
+        this.def = method.getReturnType().equals(boolean.class);
         this.sort = sort;
         this.parse = parse;
     }
@@ -88,6 +83,7 @@ public class CommandInfo {
         this.command = null;
         this.help = null;
         this.async = false;
+        this.def = false;
         this.sort = 0;
         this.parse = null;
     }
@@ -122,13 +118,13 @@ public class CommandInfo {
      */
     public boolean execute(final CommandArgument cmdArgs) {
         if (method == null) { return false; }
-        if (check(cmdArgs)) {
+        check(cmdArgs);
         Runnable runnable = new Runnable() {
             @Override
             public void run() {
                 try {
                     method.invoke(origin, parse.parse(cmdArgs));
-                    } catch (CommandParseException | CommandArgumentException e) {
+                } catch (ParseException | ArgumentException e) {
                     Log.toSender(cmdArgs.getSender(), argErr, e.getMessage());
                 } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
                     throw new CommandException(e);
@@ -140,7 +136,6 @@ public class CommandInfo {
         } else {
             runnable.run();
         }
-        }
         return true;
     }
 
@@ -179,6 +174,20 @@ public class CommandInfo {
         return async;
     }
 
+    /**
+     * @return 是否为默认命令
+     */
+    public boolean isDefault() {
+        return def;
+    }
+
+    /**
+     * @return 允许的命令发送者
+     */
+    public String getExecutorStr() {
+        return executorStr;
+    }
+
     /**
      * 验证命令是否匹配
      *
@@ -203,36 +212,11 @@ public class CommandInfo {
         return Objects.hash(origin, method, name);
     }
 
-    private boolean check(CommandArgument cmdArgs) {
+    private void check(CommandArgument cmdArgs) {
         CommandSender sender = cmdArgs.getSender();
-        return checkSender(sender) && checkArgs(sender, cmdArgs) && checkPerm(sender);
+        if (!executors.contains(Executor.ALL) && !executors.contains(Executor.valueOf(sender))) { throw new SenderException(executorStr); }
-    }
+        if (!"".equals(command.permission()) && !sender.hasPermission(command.permission())) { throw new PermissionException(command.permission()); }
-
+        if (cmdArgs.getArgs().length < command.minimumArguments()) { throw new ArgumentException(String.valueOf(command.minimumArguments())); }
-    private boolean checkArgs(CommandSender sender, CommandArgument cmdArgs) {
-        if (cmdArgs.getArgs().length < command.minimumArguments()) {
-            Log.toSender(sender, cmdErr);
-            Log.toSender(sender, cmdUse, cmdArgs.getAlias(), getName(), help.possibleArguments());
-            Log.toSender(sender, cmdDes, help.value());
-            return false;
-        }
-        return true;
-    }
-
-    private boolean checkPerm(CommandSender sender) {
-        String perm = command.permission();
-        if (!"".equals(perm) && !sender.hasPermission(perm)) {
-            Log.toSender(sender, losePerm, perm);
-            return false;
-        }
-        return true;
-    }
-
-    private boolean checkSender(CommandSender sender) {
-        if (!executors.contains(Executor.ALL) && !executors.contains(Executor.valueOf(sender))) {
-            Log.toSender(sender, onlyExecutor, executorStr);
-            return false;
-        }
-        return true;
     }
 
     private String eS(List<Executor> executors) {

src/main/java/pw/yumc/YumCore/commands/interfaces/ErrorHanlder.java

@@ -0,0 +1,16 @@
+package pw.yumc.YumCore.commands.interfaces;
+
+import org.bukkit.command.CommandSender;
+import pw.yumc.YumCore.commands.CommandArgument;
+import pw.yumc.YumCore.commands.exception.CommandException;
+import pw.yumc.YumCore.commands.info.CommandInfo;
+
+/**
+ * 命令错误处理
+ *
+ * @since 2016年7月23日 上午9:55:51
+ * @author 喵♂呜
+ */
+public interface ErrorHanlder {
+    void error(CommandException e, CommandSender sender, CommandInfo info, CommandArgument args);
+}

src/main/java/pw/yumc/YumCore/commands/interfaces/Executor.java

@@ -6,6 +6,6 @@ package pw.yumc.YumCore.commands.interfaces;
  * @since 2016年7月23日 上午9:55:51
  * @author 喵♂呜
  */
-public interface CommandExecutor {
+public interface Executor {
 
 }

src/main/java/pw/yumc/YumCore/commands/interfaces/HelpGenerator.java

@@ -0,0 +1,43 @@
+package pw.yumc.YumCore.commands.interfaces;
+
+import pw.yumc.YumCore.commands.info.CommandInfo;
+
+/**
+ * 帮助页生成器
+ *
+ * @author 喵♂呜
+ * @since 2016年11月16日 上午12:39:26
+ */
+public interface HelpGenerator {
+    /**
+     * @return 帮助标题
+     */
+    String title();
+
+    /**
+     * 格式化命令信息
+     *
+     * @param label 命令
+     * @param ci    命令信息
+     * @return 格式化后的字串
+     */
+    String body(String label, CommandInfo ci);
+
+    /**
+     * 格式化帮助尾部
+     *
+     * @param label         命令标签
+     * @param HELPPAGECOUNT 帮助页数
+     * @return 帮助尾部
+     */
+    String foot(String label, int HELPPAGECOUNT);
+
+    /**
+     * 格式化未找到
+     *
+     * @param label         命令标签
+     * @param HELPPAGECOUNT 帮助页数
+     * @return 未找到提示
+     */
+    String notFound(String label, int HELPPAGECOUNT);
+}

src/main/java/pw/yumc/YumCore/commands/interfaces/HelpParse.java

@@ -6,7 +6,7 @@ package pw.yumc.YumCore.commands.interfaces;
  * @author 喵♂呜
  * @since 2016年9月14日 上午12:39:26
  */
-public interface CommandHelpParse {
+public interface HelpParse {
     /**
      * 解析命令帮助
      *