How to traverse the attributes and data types and property values of an entity class in Java

1  Packagecom.walkerjava.test; 2    3  ImportJava.lang.reflect.Field; 4  Importjava.lang.reflect.InvocationTargetException; 5  ImportJava.lang.reflect.Method; 6  Importjava.util.Date; 7    8  /*** 9 * Traverse the attributes and data types of an entity class and attribute valuesTen   *   One   * @authorLibaozhen A * @date 2013-1-4 a.m. 10:25:02 - * @company -   * @versionv1.3 the   * @seeRelated Classes -   * @sinceRelated/Version -   */   -   Public classReflecttest { +           Public Static voidReflecttest (Object model)throwsNosuchmethodexception, - illegalaccessexception, IllegalArgumentException, + InvocationTargetException { A                  //gets all properties of the entity class, returns the field array atfield[] field =Model.getclass (). Getdeclaredfields ();  -                  //Traverse All Properties -                   for(intj = 0; J < Field.length; J + +) {   -                          //gets the name of the property -String name =Field[j].getname ();  -                          //capitalize the first character of a property to make it easy to construct a Get,set method inName = name.substring (0, 1). toUpperCase () + name.substring (1);  -                          //gets the type of the property toString type =Field[j].getgenerictype (). toString ();  +                          //if type is a class type, it is preceded by "class", followed by the class name -System.out.println ("property is:" +name);  the                          if(Type.equals ("Class java.lang.String"))) {   *Method m = Model.getclass (). GetMethod ("get" +name);  $                                  //Call getter method to get property valuePanax NotoginsengString value =(String) M.invoke (model);  -SYSTEM.OUT.PRINTLN ("Data type: String");  the                                  if(Value! =NULL) {   +System.out.println ("Property value is:" +value);  A}Else {   theSystem.out.println ("Property value is: null");  +                                  }   -                          }   $                          if(Type.equals ("Class Java.lang.Integer"))) {   $Method m = Model.getclass (). GetMethod ("get" +name);  -Integer value =(Integer) M.invoke (model);  -SYSTEM.OUT.PRINTLN ("Data type: Integer");  the                                  if(Value! =NULL) {   -System.out.println ("Property value is:" +value); Wuyi}Else {   theSystem.out.println ("Property value is: null");  -                                  }   Wu                          }   -                          if(Type.equals ("Class Java.lang.Short"))) {   AboutMethod m = Model.getclass (). GetMethod ("get" +name);  $Short value =(short) m.invoke (model);  -SYSTEM.OUT.PRINTLN ("Data type: Short");  -                                  if(Value! =NULL) {   -System.out.println ("Property value is:" +value);  A}Else {   +System.out.println ("Property value is: null");  the                                  }   -                          }   $                          if(Type.equals ("Class java.lang.Double"))) {   theMethod m = Model.getclass (). GetMethod ("get" +name);  theDouble value =(Double) M.invoke (model);  theSYSTEM.OUT.PRINTLN ("Data type: Double");  the                                  if(Value! =NULL) {   -System.out.println ("Property value is:" +value);  in}Else {   theSystem.out.println ("Property value is: null");  the                                  }   About                          }   the                          if(Type.equals ("Class Java.lang.Boolean"))) {   theMethod m = Model.getclass (). GetMethod ("get" +name);  theBoolean value =(Boolean) M.invoke (model);  +SYSTEM.OUT.PRINTLN ("Data type: Boolean");  -                                  if(Value! =NULL) {   theSystem.out.println ("Property value is:" +value); Bayi}Else {   theSystem.out.println ("Property value is: null");  the                                  }   -                          }   -                          if(Type.equals ("Class Java.util.Date"))) {   theMethod m = Model.getclass (). GetMethod ("get" +name);  theDate value =(Date) M.invoke (model);  theSYSTEM.OUT.PRINTLN ("Data type: Date");  the                                  if(Value! =NULL) {   -System.out.println ("Property value is:" +value);  the}Else {   theSystem.out.println ("Property value is: null");  the                                  }  94                          }   the                  }   the          }   the}

How to traverse the attributes and data types and property values of an entity class in Java