java通过反射获取类中public 方法的返回类型 方法名 参数类型和属性类型及名称

 1 import java.lang.reflect.Method;
 2 import java.lang.reflect.Parameter;
 3 
 4 public class ClassUtil {
 5     public static void getClassMethodsName(Object o){
 6         Class aClass = o.getClass();
 7         System.out.println("类名:"+aClass.getName());
 8         Method[] method = aClass.getMethods();
 9         for (int i=0;i<method.length;i++){
10             System.out.printf(method[i].getReturnType()+"                   ");
11             System.out.printf(method[i].getName()+"(");
12             Class[] parameterTypes = method[i].getParameterTypes();
13             int i1=0;
14             for (Class s: parameterTypes) {
15                 if (i1==0){
16                     System.out.printf(s.getTypeName());
17                     i1=1;
18                 }else {
19                     System.out.printf("," + s.getTypeName());
20                 }
21             }
22             System.out.printf(")");
23             System.out.println("");
24         }
25     }
26 }

1 public class Office1 {
2     public static void main(String[] args) {
3        int i=0;
4         Class integerClass = int.class;
5         ClassUtil.getClassMethodsName(i);
6     }
7 }

public static void main(String[] args) {
        DogEntity dogEntity = new DogEntity();
        GetProperties(dogEntity);
    }

    public static void GetProperties(Object o){
        try {
            List<String> list=new ArrayList<>();
            list.add("HELLO");
            Field[] fields = o.getClass().getDeclaredFields();
            Object as="23";
            for (Field f :
                    fields) {
                System.out.printf(f.getType().getName()); //获取属性类型
                System.out.printf("_______");
                System.out.printf(f.getName());  //获取属性名称
                System.out.println("");
                f.setAccessible(true);  //不设置语句检查,可获取类私有属性.
                if (f.getType().getName().equals("java.lang.String")){  //判断反射过来的属性类型,将数据源赋值,这编几个数据
                    f.set(o,as);
                }else if (f.getType().getName().contains("int")){
                    f.set(o,112);
                }else if (f.getType().getName().contains("Date")){
                    f.set(o,new Date());
                }else if (f.getType().getName().contains("List")){
                    list.add("LIST!!!!!!!!!");
                    f.set(o,list);
                }else {
                    Class c1 = Class.forName(f.getType().getName());  //获取属性值为对象(实体类)的情况
                    Field name = c1.getDeclaredField("name");
                    Object o1=c1.newInstance();
                    name.set(o1,"Cat_Name!!!");
                    f.set(o,o1);
                }
                //o.getClass().getDeclaredField(f.getName()).set(o,as);
                //list.add(f.toString());
                System.out.print("__________");
                System.out.println(f.toString());
            }
            System.out.printf("Debug!!!!!!");

        } catch (Exception e) {
            e.printStackTrace();
        }

    }