java用反射输出实体类属性值

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package com.eleven.booklibrary.util; import java.lang.reflect.Field;import java.lang.reflect.Method; public class ModelPrinter {   /**   * 输出一个实体类的全部属性   * @param model   */  public static void print(Object model) {    Class cls = model.getClass();    Field[] fields = cls.getDeclaredFields();    System.out.println("###################### " + model.getClass().getName() + " ####################");    for (Field field : fields) {        char[] buffer = field.getName().toCharArray();        buffer[0] = Character.toUpperCase(buffer[0]);        String mothodName = "get" + new String(buffer);        try {          Method method = cls.getDeclaredMethod(mothodName);          Object resutl = method.invoke(model, null);          System.out.println(field.getName() + ": " + resutl);        } catch (Exception e) {          e.printStackTrace();        }    }    System.out.println("###################### End ####################");  }  /**   * 输出实体类指定的属性   * @param model   * @param fields   */  public static void print(Object model, String[] fields) {    Class cls = model.getClass();    System.out.println("###################### " + model.getClass().getName() + " ####################");    for (String field : fields) {        char[] buffer = field.toCharArray();        buffer[0] = Character.toUpperCase(buffer[0]);        String mothodName = "get" + new String(buffer);        try {          Method method = cls.getDeclaredMethod(mothodName);          Object resutl = method.invoke(model, null);          System.out.println(field + ": " + resutl);        } catch (Exception e) {          e.printStackTrace();        }    }    System.out.println("###################### End ####################");  }}
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