通过java反射获取任意对象的字段名及字段值代码,C#代码库,德仔网

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【C#】通过java反射获取任意对象的字段名及字段值

作者:博超 / 发布于2016/12/21/ 663

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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