{"id":161508,"date":"2020-09-14T22:03:04","date_gmt":"2020-09-14T14:03:04","guid":{"rendered":"http:\/\/4563.org\/?p=161508"},"modified":"2020-09-14T22:03:04","modified_gmt":"2020-09-14T14:03:04","slug":"java-enum-%e6%95%b0%e6%8d%ae%e5%ba%93%e5%ad%98%e5%82%a8%e9%97%ae%e9%a2%98%ef%bc%88%e5%a4%a7%e5%ae%b6%e9%83%bd%e6%98%af%e5%ad%98%e5%ad%97%e7%ac%a6%e4%b8%b2%e8%bf%98%e6%98%af%e6%95%b0%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=161508","title":{"rendered":"Java enum \u6570\u636e\u5e93\u5b58\u50a8\u95ee\u9898\uff08\u5927\u5bb6\u90fd\u662f\u5b58\u5b57\u7b26\u4e32\u8fd8\u662f\u6570\u503c\uff09"},"content":{"rendered":"
\n
\n
\n

Java enum \u6570\u636e\u5e93\u5b58\u50a8\u95ee\u9898\uff08\u5927\u5bb6\u90fd\u662f\u5b58\u5b57\u7b26\u4e32\u8fd8\u662f\u6570\u503c\uff09 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : sdbybyd <\/span> <\/i> 7<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u60f3\u95ee\u4e0b\u5927\u5bb6\u600e\u4e48\u5b58\u50a8 enum \u7684\uff0c\u662f\u5b57\u7b26\u4e32\u5b58\u50a8\u8fd8\u662f\u6570\u503c\u5b58\u50a8\uff1f \u6bd4\u5982\uff1a<\/p>\n

Gender { MALE\uff0c FEMALE }<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (39<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lower <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    byte <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lower <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @lower \u8bf4\u9519\u4e86\uff0cbit <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : huijiewei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e1a\u52a1\u72b6\u6001\u6570\u636e\u5e93\u5b58\u50a8\u5b57\u6bb5\u4e2a\u4eba\u63a8\u8350\u4e0d\u8981\u7528 ENUM<\/p>\n

    \u6211\u7528
    https:\/\/github.com\/huijiewei\/agile-boot\/blob\/master\/agile-base\/src\/main\/java\/com\/huijiewei\/agile\/base\/consts\/ValueDescription.java<\/p>\n

    https:\/\/github.com\/huijiewei\/agile-boot\/tree\/master\/agile-base\/src\/main\/java\/com\/huijiewei\/agile\/base\/consts
    \u91cc\u9762\u6709\u4f7f\u7528\u7684\u4f8b\u5b50 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sdbybyd <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @lower \u4f60 @ \u4e86\u81ea\u5df1\uff0cbit \u6307\u7684\u662f\u6570\u503c\u7784\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : GM <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4ee5\u4e0b\u4e3a\u6211\u7ecf\u5e38\u4f7f\u7528\u7684\u505a\u6cd5\uff0c\u5b9a\u4e49\u4e00\u4e2a enum\uff0cenum \u91cc\u5b9a\u4e49\u597d Json \u3001Jpa \u7b49\u8f6c\u6362\u89c4\u5219\u3002<\/p>\n

    \u4ec5\u4f9b\u53c2\u8003\uff1a<\/p>\n

    “`
    @Getter
    @AllArgsConstructor
    public enum State {
    UNKNOWN(“\u672a\u77e5”),
    ACTIVE(“\u6b63\u5e38”),
    INACTIVE(“\u5c01\u7981”),
    ;<\/p>\n

    private final String desc;<\/p>\n

    @JsonCreator
    public static State fromStr(String strValue) {
    return Arrays.stream(State.values()).filter(value -> value.value().equals(strValue)).findFirst().orElse(UNKNOWN);
    }<\/p>\n

    @JsonValue
    public String value() {
    return this.name();
    }<\/p>\n

    @Converter(autoApply = true)
    public static class DatabaseColumnConverter implements AttributeConverter<State, String> {
    public String convertToDatabaseColumn(State state) {
    return state != null ? state.name() : UNKNOWN.name();
    }<\/p>\n

    public State convertToEntityAttribute(String name) {
    return fromStr(name);
    }
    }
    }<\/p>\n

    “` <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xiangyuecn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    enum \u80fd\u505a\u7684 class \u90fd\u80fd\u505a\u3002<\/p>\n

    enum \u4e0d\u80fd\u505a\u7684 class \u90fd\u80fd\u505a\u3002<\/p>\n

    enum \u5404\u79cd\u8e69\u811a\u89c4\u8303\u4ee3\u7801\u7f16\u5199\u7ea6\u675f\uff0c\u672c\u8d28\u4e0a\u8fd8\u662f\u4e00\u4e2a class\uff0c\u4f46\u5f00\u5934\u4e0d\u80fd\u653e\u522b\u7684\u4e1c\u897f\uff0c\u6c14\u4e0d\u6c14\u4eba\uff1f<\/p>\n

    \u6709\u4ec0\u4e48\u7406\u7531\u7528 enum \uff1f\u6ca1\u6709\uff01 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : chana71 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @huijiewei \u4f60\u8fd9\u4e2a\u662f\u64b8\u4e86\u4e2a\u679a\u4e3e\u7c7b\u5417 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : GM <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xiangyuecn enum \u80fd switch case\uff0cclass \u80fd\u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : GM <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xiangyuecn
    enum \u53ef\u4ee5\u76f4\u63a5 if(user.state == State.INACTIVE) { … }\uff0cclass \u80fd\u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : huijiewei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @GM \u6211\u8d34\u7684\u4ee3\u7801\u53ef\u4ee5\u554a<\/p>\n

    user.state == UserState.INACTIVE.getValue() <\/p>\n

    \u5373\u53ef <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yiyi11 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u554a\uff1f\u4e0d\u662f\u90fd\u5b58\u7801\u8868\u7684\u7801\u5417\uff1f\u6570\u636e\u5e93\u6709\u7801\u8868\uff0c1-xxx\uff0c2-yyy\uff0c\u5176\u4ed6\u8868\u5b58\u7684\u662f\u7801\u201c1\u201d\u6216\u201c2\u201d\u3002\u679a\u4e3e\u5b9a\u4e49\u6210 xxx(\u201c1\u201d,\u201cxxx\u201d)\u3002\u4e0d\u7ba1\u54ea\u91cc\u7684\u6570\u636e\u90fd\u662f\u4ee5\u7801\u4e3a\u51c6\uff0c\u7801\u5bf9\u5e94\u7684\u503c\u662f\u63cf\u8ff0\u89e3\u91ca(\u6216\u505a\u663e\u793a\u7528)\uff0c\u679a\u4e3e\u4ec5\u4ec5\u662f\u4e3a\u4e86\u6d88\u9664\u4ee3\u7801\u4e2d\u7684\u9b54\u6cd5\u503c\uff0c\u8ddf\u7801\u8868\u4e00\u4e00\u5bf9\u5e94\u7684\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : GM <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @huijiewei
    enum \u5b58\u5b57\u7b26\u4e32\u7684\u597d\u5904\u4e3b\u8981\u662f\u4e00\u76ee\u4e86\u7136\uff0c\u4e0d\u7528\u770b\u7740\u8868\u91cc\u7684 1 \u30012 \u30013 \u30014 \u53bb\u731c\uff0c\u6bd4\u8f83\u65b9\u4fbf\u3002\u4e0d\u7136\u5c31\u5f97\u53bb\u4ee3\u7801\u91cc\u627e\u5bf9\u5e94\u6587\u6863\u6216\u6ce8\u91ca\uff08\u78b0\u5230\u90a3\u4e9b\u7f3a\u4e4f\u6ce8\u91ca\u7684\u9879\u76ee\uff0c\u4f1a\u5f88\u6076\u5fc3\uff09\u3002<\/p>\n

    PS\uff1a\u591a\u4e00\u4e2a .getValue() \u611f\u89c9\u8fd8\u662f\u5f88\u4e0d\u723d\u7684\uff0c\u4e0d\u5982\u76f4\u63a5 user.state == UserState.INACTIVE <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : baobao1270 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u662f Java\uff0c\u662f .NET \uff0c\u5b58 Enum \u3002\u6570\u636e\u5e93\u91cc\u5199\u6ce8\u91ca\uff0c\u518d\u8bf4\uff0c\u6709 EFCore \u57fa\u672c\u5f88\u5c11\u8981\u52a8\u6570\u636e\u5e93 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : GM <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @huijiewei \u53bb\u770b\u4e86\u4e00\u4e0b\u4f60\u7684\u4ee3\u7801\uff0c\u4f60\u8fd9\u505a\u6cd5\u4e0d\u662f\u4e0d\u884c\uff0c\u4f46\u662f\u5b9a\u4e49\u3001\u4f7f\u7528\u592a\u9ebb\u70e6\u4e86\uff0c\u4e0d\u5982 enum \u597d\u7528\u3002<\/p>\n

    \u6211\u4e2a\u4eba\u662f\u5f88\u559c\u6b22 java \u7684 enum \u8bbe\u8ba1\u7684\uff0c\u7528\u5bf9\u8def\u4e86\u4f1a\u611f\u89c9\u5f88\u597d\u7528\u3002\u4e8b\u5b9e\u4e0a\uff0c\u6211\u5199 C#\u9879\u76ee\u7684\u65f6\u5019\uff0c\u8fd8\u4e13\u95e8\u5f04\u4e86\u4e00\u4e2a Enum \u7c7b\u6765\u6a21\u62df java \u7684 enum \u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : wdmx007 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u63a8\u8350\u5b58\u6570\u5b57\uff0c\u4e5f\u5c31\u662f ordinal \u3002\u56e0\u4e3a\u8fd9\u662f\u548c\u679a\u4e3e\u5404\u9879\u987a\u5e8f\u6709\u5173\u7684\uff0c\u6709\u8111\u62bd\u7684\u8c03\u6574\u4e86\u987a\u5e8f\u5c31\u70b8\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lululau <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5b58\u6570\u503c\u4e5f\u53ef\u4ee5\u4e0d\u5b58 ordinal value\uff0c\u53ef\u4ee5\u81ea\u5b9a\u4e49\u4f7f\u7528\u6570\u503c\u578b\u5c5e\u6027\u7684\u503c\u7684\uff0c\u4f46\u6211\u8ba4\u4e3a\u5e94\u8be5\u5b58\u5b57\u7b26\u4e32\uff0c\u5c31\u4e00\u4e2a\u539f\u56e0\uff0c\u53ea\u770b db \u5b58\u7684\u503c\u6211\u5c31\u77e5\u9053\u5f53\u524d\u8fd9\u6761\u8bb0\u5f55\u662f\u4ec0\u4e48\u72b6\u6001\u3001\u7c7b\u578b\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MarioLuo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u76f4\u63a5\u7528\u5b57\u7b26\u4e32\uff0c\u8bb8\u591a\u6846\u67b6\u5e93(spring, mybatis,…)\u5bf9\u679a\u4e3e\u9ed8\u8ba4\u503c\u5904\u7406\u65b9\u5f0f\u5c31\u662f\u5b57\u7b26\u4e32 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : EminemW <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u7684 enum \u662f\u7528\u6765\u770b\u7684\u3002\u3002\u4e0d\u5b58\u6570\u636e\u5e93\uff0c\u56e0\u4e3a\u6211\u4e0d\u77e5\u9053\u600e\u4e48\u6bd4\u8f83\u5408\u7406\u5229\u7528 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zsdroid <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @huijiewei 1 \u4e3a\u4ec0\u4e48\u4e0d\u63a8\u8350\u7528 ENUM \uff1f 2.\u4f60\u7684\u6bd4 java \u81ea\u5e26\u7684\u597d\u5728\u54ea\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sdbybyd <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @GM \u8fd9\u4e5f\u662f\u6211\u73b0\u5728\u5728\u7528\u7684\u65b9\u6cd5\uff0c\u5c31\u662f\u5217\u4e3e\u4e00\u4e9b\u503c\uff0c\u5199\u4e2a mybatis \u7684 converter \u8f6c\u6362\u5b58\u50a8\uff0c\u4f46\u662f\u6211\u770b\u4e86 fb \u8fd8\u6709 \u963f\u91cc\u7684\u5f88\u591a\u63a5\u53e3\uff0c\u5bf9\u5916\u66b4\u9732\u7528\u7684\u5b57\u7b26\u4e32\uff0c\u8fd9\u6837 java \u7684 enum \u5c31\u7b80\u5355\u4e86\uff0c\u76f4\u63a5\u547d\u540d\u5c31\u884c\uff0cmybatis \u6709\u9ed8\u8ba4 converter \u63d2\u5165\uff0c\u53ef\u80fd fb \u963f\u91cc\u90fd\u6709\u81ea\u52a8\u5316\u5de5\u5177\u8f6c\u503c\u5b58\u50a8 db <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sdbybyd <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @huijiewei \u4f60\u8fd9\u4e2a\u505a\u6cd5\u5e94\u8be5\u4e0d\u884c\uff0c\u8fd8\u4e0d\u5982\u624b\u64b8 converter <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sdbybyd <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @xiangyuecn enum \u7684\u597d\u5904\u5f88\u591a\uff0c\u6bd4\u5982\u7c7b\u578b\u68c0\u67e5\uff08\u4e0d\u662f Integer \u6570\u503c\u7c7b\u578b\u68c0\u67e5\uff09\uff0c\u5982\u679c\u4f60\u53ef\u4ee5\u76f4\u63a5\u8fd9\u4e48\u5199<\/p>\n

    “`java
    public enum Gender {
    MALE,
    FEMALE;
    }
    “`<\/p>\n

    \u800c\u4e14\u6709\u81ea\u52a8\u5316\u5de5\u5177\u5e2e\u4f60\u5b58\u50a8\u6570\u636e\u5e93\u65f6\u8f6c\u6362\u4e3a\u6570\u503c\u5b58\u50a8\uff0c\u5982 1,2\uff0c\u63d0\u53d6\u65f6\u81ea\u52a8\u8f6c\u6362\uff0c\u8fd9\u79cd\u72b6\u6001\u7ef4\u62a4\u8d77\u6765\u5c31\u7b80\u5355\u591a\u4e86<\/p>\n

    \u6211\u60f3\u8981\u7684\u5c31\u662f\u8fd9\u79cd\u81ea\u52a8\u5316\u5de5\u5177\uff08\u4e0d\u7528\u786c\u7f16\u7801\u6570\u503c\uff0c\u770b\u4e86\u4e00\u4e9b api\uff0cfb \u548c\u963f\u91cc\u5c31\u6709\u8fd9\u4e48\u641e\uff09\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sdbybyd <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @yiyi11 \u4f60\u8bf4\u7684\u6570\u636e\u5e93\u7801\u8868\u6307\u7684\u662f\uff1f\u7279\u5b9a\u6570\u636e\u5e93\u7c7b\u578b\uff1f\u8fd8\u662f\u5728 java \u4e0a\u7f16\u7801\u7684\u6570\u503c\u6620\u5c04 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sdbybyd <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @MarioLuo \u76f4\u63a5\u7528\u5b57\u7b26\u4e32\u7684\u8bdd\uff0c\u4f5c\u4e3a\u7d22\u5f15\u7684\u65f6\u5019\u662f\u4e0d\u662f\u592a\u6d6a\u8d39\u4e86\uff0c\u6709\u6ca1\u4f18\u5316\u65b9\u6cd5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : dswyzx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    c#\u91cc\uff0cenum \u662f\u503c\u7c7b\u578b\uff0cclass \u53ef\u662f\u5f15\u7528\u7c7b\u578b\u3002\u6839\u672c\u6027\u4e0d\u540c\u3002enum \u6620\u5c04 db \u5f53\u7136\u662f\u6570\u503c\u7c7b\u578b\u4e86\u3002\u4e8c\u8bf4 bit \u7684\uff0c\u521a\u597d\u6027\u522b\u7537\u5973\u662f\u591f\u7528\u4e86\uff0c\u4ee5\u540e\u6269\u5c55\u4eba\u5996\u6216\u8005\u5565\u5565\u7684\u65f6\u5019\u4f60\u600e\u4e48\u5b58 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MarioLuo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sdbybyd \u6570\u636e\u91cf\u4e0d\u9ad8\u7684\u60c5\u51b5\u4e0b\u7d22\u6027\u6027\u80fd\u5dee\u5f02\u4e0d\u5927, \u800c\u4e14\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u679a\u4e3e\u5b57\u6bb5\u5e76\u4e0d\u9002\u5408\u4f5c\u4e3a\u7d22\u5f15\u5217 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : MarioLuo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sdbybyd \u679a\u4e3e\u589e\u52a0\u6570\u503c\u5c5e\u6027, \u5b9e\u73b0 IntCode \u63a5\u53e3\uff0c\u7136\u540e\u4e3a\u76f8\u5173\u7684\u5e93\u9488\u5bf9\u8fd9\u4e2a\u63a5\u53e3\u901a\u7528\u7684\u8f6c\u6362\u5668(mybatis, jpa, spring mvc,…)<\/p>\n

    enum Gender implement IntCode{
    MALE(1),
    FEMALE(2);
    private Integer code;
    public Integer getCode(){ return code; }
    }<\/p>\n

    interface IntCode{
    Integer getCode()
    } <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : binux <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6570\u636e\u5e93\u4e5f\u7528\u679a\u4e3e\u7c7b\u578b\u4e0d\u5c31\u5b8c\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : huijiewei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @zsdroid \u4e0d\u7528 ENUM \u662f\u56e0\u4e3a\u5982\u679c\u6570\u636e\u5e93\u91cc\u9762\u6709 ENUM \u4e0d\u5b58\u5728\u7684\u503c\u3002API \u8f93\u51fa\u4f1a\u5f88\u9ebb\u70e6 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : huijiewei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @binux \u56e0\u4e3a\u5927\u90e8\u5206\u4eba\u7528 mysql\uff0cmysql ENUM \u7c7b\u578b\u5751\u6bd4\u8f83\u591a\uff0c\u73b0\u5728\u90fd\u4e0d\u63a8\u8350\u4f7f\u7528 ENUM <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ez728s <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @baobao1270 C#\u7528 class \u4e0d\u7528 enum\uff0c\u5982#6 \u6240\u8bf4
    https:\/\/docs.microsoft.com\/en-us\/dotnet\/architecture\/microservices\/microservice-ddd-cqrs-patterns\/enumeration-classes-over-enum-types <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ez728s <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6570\u636e\u5e93\u91cc\u9762\u5e94\u8be5\u5b58\u50a8\u6709\u660e\u786e\u610f\u4e49\u7684\u5b57\u7b26\u4e32\u503c\u800c\u4e0d\u662f\u4e0d\u77e5\u6240\u8c13\u7684 1234 \u6570\u503c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : xiangyuecn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sdbybyd #22 \u89e3\u51b3\u786c\u7f16\u7801\u6570\u503c\uff08\u5e94\u8be5\u53eb\u9b54\u672f\u6570\u503c\uff09\u95ee\u9898\uff0c\u5e94\u5f53\u9996\u9009\u5e38\u91cf\uff0c\u800c\u4e0d\u662f enum\uff0c\u6bd4\u5982 Android \u91cc\u9762\u7684 startActivityForResult \u4e2d\u7684 requestCode \u8fd9\u4e2a\u53cd\u4eba\u7c7b\u6570\u503c\u53c2\u6570\uff0c\u7528 enum \u5f53\u7136\u53ef\u4ee5\uff0c\u4f46\u4e0d\u4f1a\u53bb\u7528\u7684\uff0c\u57fa\u672c\u5b9a\u4e49\u6210\u5e38\u91cf\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zeroday <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u76f4\u63a5\u7528 mysql \u91cc\u7684 ENUM \u7c7b\u578b. \u56e0\u4e3a\u662f\u975e\u5e38\u5feb\u548c\u7d27\u51d1\u7684\u3002\u5728\u5b9e\u9645\u4e0a\uff0c\u5176\u4fdd\u5b58\u7684\u662f TINYINT\uff0c\u4f46\u5176\u5916\u8868\u4e0a\u663e\u793a\u4e3a\u5b57\u7b26\u4e32\u3002
    \u5982\u679c\u6709\u4e00\u4e2a\u5b57\u6bb5\uff0c\u6bd4\u5982\u201c\u6027\u522b\u201d\uff0c\u201c\u56fd\u5bb6\u201d\uff0c\u201c\u6c11\u65cf\u201d\uff0c\u201c\u72b6\u6001\u201d\u6216\u201c\u90e8\u95e8\u201d\uff0c\u4f60\u77e5\u9053\u8fd9\u4e9b\u5b57\u6bb5\u7684\u53d6\u503c\u662f\u6709\u9650\u800c\u4e14\u56fa\u5b9a\u7684\uff0c\u90a3\u4e48\uff0c\u4f60\u5e94\u8be5\u4f7f\u7528 ENUM \u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yiyi11 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sdbybyd \u6570\u503c\u6620\u5c04 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : tailf <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6570\u636e\u5e93\u4e0d\u8981\u7528 enum\uff0c\u7528 tinyint <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : skypyb <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7528 postgres \u5c31\u6ca1\u8fd9\u7834\u4e8b\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : notejava <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5b57\u7b26\u4e32\uff0c\u53ef\u8bfb\u6027\u597d <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : tairan2006 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    tinyint\/smallint <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    Java enum \u6570\u636e\u5e93\u5b58\u50a8\u95ee\u9898…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/161508"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=161508"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/161508\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=161508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=161508"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=161508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}