【实体转map】

最新推荐文章于 2024-02-02 17:00:43 发布

SZH19890601

最新推荐文章于 2024-02-02 17:00:43 发布

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分类专栏： java 文章标签：实体 map

本文链接：https://blog.youkuaiyun.com/SZH19890601/article/details/10977053

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import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;
/**
 * java实体转成map
 * @author 宋志会  
 */
public class ObjAnalysis {
    private Integer id;
    private Integer miid;
    public Integer getMiid() {
        return miid;
    }
    public void setMiid(Integer miid) {
        this.miid = miid;
    }
    public Integer getId() {
        return id;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    
    public static Map<String,Object> ConvertObjToMap(Object obj) throws IllegalArgumentException, IllegalAccessException, SecurityException, NoSuchFieldException{
        Map<String,Object> reMap = new HashMap<String,Object>();
        if (obj == null){
            return null;
        }
        Field[] fields = obj.getClass().getDeclaredFields();
         for(int i=0;i<fields.length;i++){
           Field f = obj.getClass().getDeclaredField(fields[i].getName());
           f.setAccessible(true);
                 Object o = f.get(obj);
                 reMap.put(fields[i].getName(), o);
         }
        return reMap ;
    }
    
    public static void main(String[] args) throws IllegalArgumentException, IllegalAccessException, SecurityException, NoSuchFieldException {
        ObjAnalysis a = new ObjAnalysis();
        a.setId(1111);
        a.setMiid(2222);
        Map<String,Object> m = ConvertObjToMap(a);
        System.out.println(m);
    }
}