新增枚举“Gender”

src/main/java/xyz/zhouxy/plusone/commons/model/Gender.java

@@ -0,0 +1,45 @@
+package xyz.zhouxy.plusone.commons.model;
+
+import xyz.zhouxy.plusone.commons.util.AssertTools;
+
+/**
+ * 性别
+ */
+public enum Gender {
+    UNKNOWN(0, "Unknown", "未知"),
+    MALE(1, "Male", "男"),
+    FEMALE(2, "Female", "女"),
+
+    ;
+
+    private static final Gender[] VALUES = new Gender[] { UNKNOWN, MALE, FEMALE };
+
+    private final int value;
+    private final String displayName;
+    private final String displayNameZh;
+
+    Gender(int value, String displayName, String displayNameZh) {
+        this.value = value;
+        this.displayName = displayName;
+        this.displayNameZh = displayNameZh;
+    }
+
+    public static Gender of(int value) {
+        AssertTools.checkCondition(0 <= value && value < VALUES.length,
+                () -> new EnumConstantNotPresentException(Gender.class, String.valueOf(value)));
+        return VALUES[value];
+    }
+
+    public int getValue() {
+        return value;
+    }
+
+    public String getDisplayName() {
+        return displayName;
+    }
+
+    public String getDisplayNameZh() {
+        return displayNameZh;
+    }
+
+}