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xiachaochao
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1 parent 07d4716 commit f3d9c2e

6 files changed

Lines changed: 143 additions & 2 deletions

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‎JavaBase/.classpath‎

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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
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<classpathentry kind="lib" path="D:/eclipse/log4j-1.2.17.jar"/>
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<classpathentry kind="lib" path="D:/eclipse/lombok.jar"/>
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<classpathentry kind="lib" path="D:/Program Files/eclipse/log4j-1.2.17.jar"/>
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<classpathentry kind="lib" path="D:/Program Files/eclipse/lombok.jar"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎JavaBase/src/com/xinan/reflect/Dog.java‎

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package com.xinan.reflect;
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public class Dog {
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private String name;
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private int age;
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public Dog() {
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super();
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}
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public Dog(String name, int age) {
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super();
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this.name = name;
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this.age = age;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public int getAge() {
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return age;
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}
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public void setAge(int age) {
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this.age = age;
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}
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public void TestReflect() {
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System.out.println("TestReflec方法调用");
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}
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}

‎JavaBase/src/com/xinan/reflect/Person.java‎

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package com.xinan.reflect;
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public class Person {
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private String name;
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private int age;
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public Person() {
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super();
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}
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public Person(String name, int age) {
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super();
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this.name = name;
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this.age = age;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public int getAge() {
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return age;
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}
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public void setAge(int age) {
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this.age = age;
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}
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public void TestReflect(){
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System.out.println("TestReflec方法调用");
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}
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}

‎JavaBase/src/com/xinan/reflect/TestDogReflect.java‎

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package com.xinan.reflect;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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public class TestDogReflect {
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public static void main(String[] args) throws Exception {
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// Class clazz=Class.forName("com.xinan.reflect.Dog");//第一种获取类的方式
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// Class clazz1=Person.class;//第二种获取类的方式
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Class clazz2 = (new Person().getClass());
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// Field fs = clazz2.getDeclaredField("name");
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Field[] fs = clazz2.getDeclaredFields();
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StringBuffer sb = new StringBuffer();
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sb.append(Modifier.toString(clazz2.getModifiers()) + " class " + clazz2.getSimpleName() + "{\n");
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for (Field f1 : fs) {
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sb.append("\t");// 空格
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sb.append(Modifier.toString(f1.getModifiers()) + " ");// 获得属性的修饰符，例如public，static等等
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sb.append(f1.getType().getSimpleName() + " ");// 属性的类型的名字
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sb.append(f1.getName() + ";\n");// 属性的名字+回车
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}
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sb.append("}");
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System.out.println(sb);
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Constructor<?> cons[] = clazz2.getConstructors();
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Method[] methods = clazz2.getDeclaredMethods();
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for (Method method : methods) {
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System.out.println("me:" + method);
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}
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}
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}

‎JavaBase/src/com/xinan/reflect/TestIntegerReflect.java‎

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package com.xinan.reflect;
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public class TestIntegerReflect {
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}

‎JavaBase/src/com/xinan/reflect/TestPerson.java‎

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package com.xinan.reflect;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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public class TestPerson {
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public static void main(String[] args) throws Exception {
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Class clazz = Class.forName("com.xinan.reflect.Person");// 获取整个类
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Field[] fs = clazz.getDeclaredFields(); // 定义可变长度的字节，存储属性
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StringBuffer sb = new StringBuffer();
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// 通过追加的方法，将每个属性拼接到此字符串中
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// 最外边的public定义
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sb.append(Modifier.toString(clazz.getModifiers()) + " class " + clazz.getSimpleName() + "{\n");
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// 里边的每一个属性
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for (Field field : fs) {
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sb.append("\t");// 空格
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sb.append(Modifier.toString(field.getModifiers()) + " ");// 获得属性的修饰符，例如public，static等等
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sb.append(field.getType().getSimpleName() + " ");// 属性的类型的名字
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sb.append(field.getName() + ";\n");// 属性的名字+回车
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}
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sb.append("}");
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System.out.println(sb);
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Person p = (Person) clazz.newInstance();
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Field fage = clazz.getDeclaredField("age");
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fage.setAccessible(true);
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fage.set(p, 50);
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Method method = clazz.getMethod("TestReflect");
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method.invoke(p);
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System.out.println("fage.get(obj) :" + fage.get(p));
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Method[] methods = clazz.getDeclaredMethods();
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for (Method method1 : methods) {
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System.out.println("method : " + method1);
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}
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}
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}

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