通过java反射获取任意对象的字段名及字段值

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import java.lang.reflect.Field;public class ReflectClass3 {    /**     * @param args     */    public static void main(String[] args) {        Person p = new Person(1, "ctl", true, 'c', 2.0f, 2.0, 1L, (short) 1, (byte) 1);        p.setId(0);        p.setName("张三");        p.setIsMen(true);        p.setCh('c');        p.setFloat_(2.0f);        p.setDouble_(3.0);        p.setLong_(2l);        p.setShort_((short) 1);        p.setByte_((byte) 2);        reflect(p);    }    public static void reflect(Object obj) {        if (obj == null) {            return;        }        Field[] fields = obj.getClass().getDeclaredFields();        String[] types1 = {"int", "java.lang.String", "boolean", "char", "float", "double", "long", "short", "byte"};        String[] types2 = {"Integer", "java.lang.String", "java.lang.Boolean", "java.lang.Character",                "java.lang.Float", "java.lang.Double", "java.lang.Long", "java.lang.Short", "java.lang.Byte"};        for (int j = 0; j < fields.length; j++) {            fields[j].setAccessible(true);            // 字段名            System.out.print(fields[j].getName() + ":");            // 字段值            for (int i = 0; i < types1.length; i++) {                if (fields[j].getType().getName()                        .equalsIgnoreCase(types1[i]) || fields[j].getType().getName().equalsIgnoreCase(types2[i])) {                    try {                        System.out.print(fields[j].get(obj) + "     ");                    } catch (Exception e) {                        e.printStackTrace();                    }                }            }        }    }}public class Person {    public int id;    public String name;    public boolean isMen;    public Character ch;    public Float float_;    public Double double_;    public Long long_;    public Short short_;    public Byte byte_;    public int getId() {        return id;    }    public void setId(int id) {        this.id = id;    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public boolean getIsMen() {        return isMen;    }    public void setIsMen(boolean isMen) {        this.isMen = isMen;    }    public Character getCh() {        return ch;    }    public void setCh(Character ch) {        this.ch = ch;    }    public Float getFloat_() {        return float_;    }    public void setFloat_(Float float_) {        this.float_ = float_;    }    public Double getDouble_() {        return double_;    }    public void setDouble_(Double double_) {        this.double_ = double_;    }    public Long getLong_() {        return long_;    }    public void setLong_(Long long_) {        this.long_ = long_;    }    public Short getShort_() {        return short_;    }    public void setShort_(Short short_) {        this.short_ = short_;    }    public Byte getByte_() {        return byte_;    }    public void setByte_(Byte byte_) {        this.byte_ = byte_;    }    public Person(int id, String name, Boolean isMen, Character ch, Float float_,            Double double_, Long long_, Short short_, Byte byte_) {        super();        this.id = id;        this.name = name;        this.isMen = isMen;        this.ch = ch;        this.float_ = float_;        this.double_ = double_;        this.long_ = long_;        this.short_ = short_;        this.byte_ = byte_;    }    public Person() {        super();    }}
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