{"id":160083,"date":"2020-09-25T12:01:43","date_gmt":"2020-09-25T04:01:43","guid":{"rendered":"http:\/\/4563.org\/?p=160083"},"modified":"2020-09-25T12:01:43","modified_gmt":"2020-09-25T04:01:43","slug":"java-%e5%ad%97%e6%ae%b5%e7%9b%91%e6%8e%a7%e6%89%a7%e8%a1%8c%e4%ba%8b%e4%bb%b6","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=160083","title":{"rendered":"Java \u5b57\u6bb5\u76d1\u63a7\u6267\u884c\u4e8b\u4ef6"},"content":{"rendered":"
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Java \u5b57\u6bb5\u76d1\u63a7\u6267\u884c\u4e8b\u4ef6 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : huifer <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\u5b57\u6bb5\u76d1\u63a7\u8bbe\u8ba1<\/h1>\n

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  • \n

    \u9700\u6c42\u63cf\u8ff0: \u4e00\u4e2a\u5b9e\u4f53\u7684\u5b57\u6bb5\u53ef\u80fd\u4f1a\u6709\u540e\u7eed\u7684\u884c\u4e3a.<\/p>\n<\/li>\n

  • \n

    \u5b57\u6bb5\u6709\u4ec0\u4e48\u53d8\u5316\u4f1a\u6709\u4ec0\u4e48\u6837\u7684\u64cd\u4f5c<\/p>\n

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    1. \u5b57\u6bb5\u53d8\u52a8.\n
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      1. \u5e38\u89c1\u65b0\u8001\u6570\u636e\u53d8\u66f4\u7684\u65e5\u5fd7\u8bb0\u5f55<\/li>\n<\/ol>\n<\/li>\n
      2. \u5b57\u6bb5\u76f4\u63a5\u4f1a\u4ea7\u751f\u884c\u4e3a\n
          \n
        1. \u53d1\u6d88\u606f\u7684\u573a\u666f.\u586b\u5199\u4e86\u7528\u6237 id \u5c31\u53d1\u9001\u6d88\u606f<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
        2. \n

          \u4e0a\u8ff0\u4e3a\u76ee\u524d\u60f3\u5230\u7684\u5b57\u6bb5\u76d1\u63a7\u53ef\u80fd\u5b58\u5728\u7684\u573a\u666f. \u9488\u5bf9\u8fd9\u6837\u7684\u573a\u666f\u505a\u51fa\u5982\u4e0b\u8bbe\u8ba1.<\/p>\n<\/li>\n

        3. \n

          \u63a5\u53e3\u62bd\u8c61<\/p>\n<\/li>\n<\/ul>\n

          public interface MonitoringInterface<T> {   void monitor(T t);  }  \/**  * \u76d1\u63a7:\u5b57\u6bb5\u53d8\u66f4.  * \u5b57\u6bb5\u53d8\u66f4\u540e\u9700\u8981\u505a\u7684\u4e8b\u60c5  *\/ public interface MonitoringFieldChange<T> {   void filedChange(T t);  }  \/**  * \u76d1\u63a7,\u901a\u8fc7\u5b57\u6bb5\u51b3\u5b9a\u540e\u7eed\u5de5\u4f5c.  * \u4f8b\u5982\u4f20\u9012\u8fd9\u4e2a\u503c\u4f1a\u540e\u7eed\u6267\u884c\u4ec0\u4e48\u4e8b\u60c5.  *\/ public interface MonitoringFieldWork<T> {   void fieldWork(T t); }  <\/code><\/pre>\n
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          • \n
            \u4e09\u4e2a\u63a5\u53e3\u7684\u4f5c\u7528<\/p>\n
              \n
            1. MonitoringInterface \u6574\u4f53\u76d1\u63a7<\/li>\n
            2. MonitoringFieldChange \u5b57\u6bb5\u53d8\u66f4\u7684\u76d1\u63a7<\/li>\n
            3. MonitoringFieldWork \u5b57\u6bb5\u51b3\u5b9a\u884c\u4e3a\u7684\u76d1\u63a7<\/li>\n<\/ol>\n<\/li>\n
            4. \n
              \u7efc\u5408\u524d\u9762\u7684\u9700\u6c42\u63cf\u8ff0\u505a\u51fa\u4e00\u4e2a\u901a\u7528\u5b9a\u4e49.<\/p>\n
                \n
              • \u4f20\u5165\u5bf9\u8c61, \u901a\u8fc7\u8fd9\u4e2a\u5bf9\u8c61\u53bb\u8c03\u7528 \u5b57\u6bb5\u53d8\u66f4\u76d1\u63a7\u65b9\u6cd5<\/strong> \u548c \u5b57\u6bb5\u51b3\u5b9a\u884c\u4e3a\u7684\u76d1\u63a7\u65b9\u6cd5<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
                 public class SupperMonitor<T> {   private final T data;   private MonitoringFieldChange<T> fieldChange;   private MonitoringFieldWork<T> fieldWork;   public SupperMonitor(T data, MonitoringFieldChange<T> fieldChange, MonitoringFieldWork<T> fieldWork) {   this.data = data;   this.fieldChange = fieldChange;   this.fieldWork = fieldWork;  }   public void monitor() {   this.fieldChange.filedChange(data);   this.fieldWork.fieldWork(data);  }  }  <\/code><\/pre>\n
                  \n
                • \u5728\u8fd9\u91cc\u8fd8\u53ef\u4ee5\u7528\u5de5\u7a0b\u53bb\u521b\u5efa\u5185\u90e8\u53d8\u91cffieldChange<\/strong>\u548cfieldWork<\/strong><\/li>\n
                • \u6682\u4e14\u79f0SupperMonitor<\/strong>\u662f\u4e00\u4e2a\u7edf\u7b79\u8c03\u7528\u5bf9\u8c61.\u63a5\u4e0b\u6765\u662f\u51e0\u4e2a\u63a5\u53e3\u7684\u5b9e\u73b0 \u5728\u5b9e\u73b0\u4e4b\u524d\u5b9a\u4e49\u51fa\u5982\u4e0b\u4e24\u4e2a\u63a5\u53e3. \u7528\u6765\u505a\u7c7b\u578b\u9650\u5b9a. \u4e0b\u9762\u4e24\u4e2a\u63a5\u53e3\u5185\u90e8\u586b\u5199\u7684\u62bd\u8c61\u65b9\u6cd5\u662f\u6211\u4eec\u9700\u8981\u6bd4\u8f83\u7684\u5b57\u6bb5\u6216\u8005\u9700\u8981\u6839\u636e\u67d0\u4e2a\u5b57\u6bb5\u53bb\u505a\u64cd\u4f5c\u7684\u62bd\u8c61 \u5c06\u4e0d\u540c\u7684\u5b57\u6bb5\u5904\u7406\u65b9\u6848\u653e\u5728\u4e24\u4e2a\u4e0d\u540c\u7684\u63a5\u53e3\u4e2d,\u5c06\u884c\u4e3a\u903b\u8f91\u9694\u79bb.<\/li>\n<\/ul>\n
                  public interface FirstFieldChangeMonitoring extends MonitoringFieldChange<FirstModel> {   void nameChangeMonitor(String oldName, String newName);    default Class<?> type() {   return FirstModel.class;  } }  public interface FirstFieldWorkMonitoring extends MonitoringFieldWork<FirstModel> {  void workByWorkField(boolean work);   default Class<?> type() {   return FirstModel.class;  } }  <\/code><\/pre>\n
                    \n
                  • \u5b9e\u73b0\u4ee5\u53ca\u8c03\u7528<\/li>\n<\/ul>\n
                    public class FirstFieldChangeMonitoringImpl implements MonitoringInterface<FirstModel>, FirstFieldWorkMonitoring, FirstFieldChangeMonitoring {  @Override  public void nameChangeMonitor(String oldName, String newName) {   System.out.println(\"\u6570\u636e\u53d8\u66f4\" + oldName + \"t\" + newName);  }   @Override  public void filedChange(FirstModel firstModel) {   this.nameChangeMonitor(\"\", firstModel.getName());  }   @Override  public void workByWorkField(boolean work) {   if (work) {    System.out.println(\"\u5f00\u59cb\u5de5\u4f5c\");   }  }   @Override  public Class<?> type() {   return FirstModel.class;  }   @Override  public void fieldWork(FirstModel firstModel) {   this.workByWorkField(firstModel.isWork());  }   @Override  public void monitor(FirstModel firstModel) {   SupperMonitor<FirstModel> firstModelSupperMonitor = new SupperMonitor<>(firstModel, this, this);    firstModelSupperMonitor.monitor();  }   public static void main(String[] args) {   FirstFieldChangeMonitoringImpl firstFieldChangeMonitoring = new FirstFieldChangeMonitoringImpl();   FirstModel firstModel = new FirstModel();   firstModel.setName(\"aaaaaa\");   firstModel.setWork(true);   firstFieldChangeMonitoring.monitor(firstModel);  } }  <\/code><\/pre>\n
                      \n
                    • \u63a5\u4e0b\u6765\u5c31\u662f\u4e00\u4e2a\u914d\u5408\u4f7f\u7528\u7684\u6280\u5de7. \u5148\u505a\u51fa\u7b2c\u4e8c\u4e2a\u5bf9\u8c61\u7684\u4e00\u4e2a\u76d1\u63a7\u5b9e\u73b0<\/li>\n<\/ul>\n
                       public interface SecondFieldWorkMonitoring extends MonitoringFieldWork<SecondModel> {  void workByWorkField(boolean work);   default Class<?> type() {   return SecondModel.class;  } }   public class SecondFieldWorkMonitoringImpl implements SecondFieldWorkMonitoring {  @Override  public void workByWorkField(boolean work) {   System.out.println(\"\u7b2c\u4e8c\u4e2a model \u7684 work\");   }   @Override  public void fieldWork(SecondModel secondModel) {   this.workByWorkField(secondModel.isWorking());  } }  <\/code><\/pre>\n
                        \n
                      • \u8865\u5145\u76d1\u63a7\u5b57\u6bb5, \u6d4b\u8bd5\u548c\u5b9e\u73b0\u5982\u4e0b<\/li>\n<\/ul>\n
                         public class FirstFieldChangeMonitoringImpl implements MonitoringInterface<FirstModel>, FirstFieldWorkMonitoring, FirstFieldChangeMonitoring {  public static void main(String[] args) {   FirstFieldChangeMonitoringImpl firstFieldChangeMonitoring = new FirstFieldChangeMonitoringImpl();   SecondModel secondModel = new SecondModel();   secondModel.setWorking(false);    FirstModel firstModel = new FirstModel();   firstModel.setName(\"aaaaaa\");   firstModel.setWork(true);   firstModel.setSecondModel(secondModel);    firstFieldChangeMonitoring.monitor(firstModel);  }   @Override  public void nameChangeMonitor(String oldName, String newName) {   System.out.println(\"\u6570\u636e\u53d8\u66f4\" + oldName + \"t\" + newName);  }   @Override  public void filedChange(FirstModel firstModel) {   \/\/ \u5b57\u6bb5\u53d8\u52a8\u4efb\u52a1   this.nameChangeMonitor(\"\", firstModel.getName());  }   @Override  public void workByWorkField(boolean work) {   if (work) {    System.out.println(\"\u5f00\u59cb\u5de5\u4f5c\");   }  }   @Override  public void workBySecondField(SecondModel secondModel) {   SupperMonitor<SecondModel> secondModelSupperMonitor = new SupperMonitor<>(secondModel);   secondModelSupperMonitor.monitor();  }   @Override  public Class<?> type() {   return FirstModel.class;  }   @Override  public void fieldWork(FirstModel firstModel) {   \/\/ \u5b57\u6bb5\u884c\u4e3a\u4efb\u52a1   this.workByWorkField(firstModel.isWork());   this.workBySecondField(firstModel.getSecondModel());  }   @Override  public void monitor(FirstModel firstModel) {   SupperMonitor<FirstModel> firstModelSupperMonitor = new SupperMonitor<>(firstModel, this, this);    firstModelSupperMonitor.monitor();  } }   <\/code><\/pre>\n
                          \n
                        • \u8fd9\u662f\u76ee\u524d\u7b14\u8005\u7684\u4e00\u4e2a\u60f3\u6cd5. \u5404\u4f4d\u9605\u8bfb\u8005\u5982\u679c\u6709\u60f3\u6cd5\u8bf7\u5728\u8bc4\u8bba\u4e2d\u544a\u77e5. \u5927\u5bb6\u662f\u5982\u4f55\u8003\u8651\u8fd9\u4e2a\u903b\u8f91\u7684.<\/li>\n<\/ul><\/div>\n
                           \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (5<\/span>)        <\/div>\n
                           <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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                             \u8cc7\u6df1\u5927\u4f6c : zhuangzhuang1988 <\/span>  <\/div>\n
                             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                                         \u76f4\u63a5\u770b.net \u76f8\u5173\u7684\u8bd5\u8bd5
                            MVVM \u6a21\u5f0f,\u4e00\u4e9b\u76f8\u5173\u63a5\u53e3
                            https:\/\/docs.microsoft.com\/zh-cn\/dotnet\/api\/system.componentmodel.inotifypropertychanged?view=netcore-3.1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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                             \u8cc7\u6df1\u5927\u4f6c : aragakiyuii <\/span>  <\/div>\n
                             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                                         Proxy? \u7c7b\u4f3c\u4e8e JPA \u7684 Entity \u548c Spring \u4e2d AOP                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
                          • \n
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                             \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : huifer <\/span>  <\/div>\n
                             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                                         @aragakiyuii \u76ee\u524d\u4e1a\u52a1\u5c42\u9762\u8fd8\u662f\u76f4\u63a5\u8c03\u7528\u5177\u4f53\u7684 service+method , \u8bbe\u8ba1\u4e0a\u9762\u8fd8\u662f\u91c7\u7528\u7684\u4e0a\u6587\u6240\u8ff0\u7684\u54ea\u79cd\u65b9\u5f0f\u518d\u8fdb\u884c\u5f00\u53d1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
                          • \n
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                             \u8cc7\u6df1\u5927\u4f6c : crclz <\/span>  <\/div>\n
                             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                                         \u4f60\u7684\u601d\u8def\u975e\u5e38\u4e0d\u9519\u3002\u4f46\u662f\u5df2\u7ecf\u6709\u5927\u4f6c\u60f3\u5230\u66f4\u597d\u7684\u4e1c\u897f\uff1a [\u9886\u57df\u9a71\u52a8\u8bbe\u8ba1] \u7684 [\u9886\u57df\u4e8b\u4ef6] \u3002<\/p>\n
                            \u9886\u57df\u4e8b\u4ef6\u4e00\u822c\u5728\u8c03\u7528\u5b9e\u4f53\u65b9\u6cd5\u65f6\uff0c\u88ab\u6dfb\u52a0\u5230\u5b9e\u4f53\u7684\u9886\u57df\u4e8b\u4ef6\u5217\u8868\u4e0a\uff0c\u5e76\u5728\u6301\u4e45\u5316\u65f6\u88ab\u53d1\u5e03\u548c\u6d88\u8d39\u3002<\/p>\n
                            \u5bf9\u4e8e\u4e0b\u5217\u4f60\u63d0\u5230\u7684\u5e94\u7528\u573a\u666f\uff0c\u9886\u57df\u4e8b\u4ef6\u90fd\u5f88\u64c5\u957f\uff1a\uff08
                            \u5b57\u6bb5\u53d8\u52a8.
                            \u5e38\u89c1\u65b0\u8001\u6570\u636e\u53d8\u66f4\u7684\u65e5\u5fd7\u8bb0\u5f55
                            \u5b57\u6bb5\u76f4\u63a5\u4f1a\u4ea7\u751f\u884c\u4e3a
                            \u53d1\u6d88\u606f\u7684\u573a\u666f.\u586b\u5199\u4e86\u7528\u6237 id \u5c31\u53d1\u9001\u6d88\u606f
                            \uff09<\/p>\n
                            java \u793a\u4f8b\uff1a https:\/\/github.com\/e-commerce-sample\/ecommerce-order-service                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
                          • \n
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                             \u8cc7\u6df1\u5927\u4f6c : Elroooo0Y <\/span>  <\/div>\n
                             <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                                         \u6ca1\u770b\u61c2\u60f3\u5e72\u561b , \u95ee\u9898\u518d\u63cf\u8ff0\u7684\u66f4\u6e05\u695a\u4e00\u4e0b . 
                            \u4ee3\u7801\u592a\u591a\u4e86 ,\u8fd8\u662f\u7740\u91cd\u8bf4\u4e0b\u60f3\u6cd5\u5427 .                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
                          • \n","protected":false},"excerpt":{"rendered":"
                            Java \u5b57\u6bb5\u76d1\u63a7\u6267\u884c\u4e8b\u4ef6 \u8cc7\u6df1\u5927…<\/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\/160083"}],"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=160083"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/160083\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=160083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=160083"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=160083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}