android中用Intent传数据，如果用传递的是一个类，就将类实现Parcelable接口

/**
 * 预登记 出席领导回传给预登记页面 Javabean
 * Created by COCO on 2017/3/4.
 */

public class GovernmentTakeLeaderInfo implements Parcelable{//Parcelable，内存单位，跨进程使用，或者intent传递对象的时候使用
    private String name;
    private String leaderId;

    //默认构造函数 要加上
    public GovernmentTakeLeaderInfo(){};

    protected GovernmentTakeLeaderInfo(Parcel in) {
        name = in.readString();
        leaderId = in.readString();
    }

    public static final Creator<GovernmentTakeLeaderInfo> CREATOR = new Creator<GovernmentTakeLeaderInfo>() {
        @Override
        public GovernmentTakeLeaderInfo createFromParcel(Parcel in) {
            return new GovernmentTakeLeaderInfo(in);
        }

        @Override
        public GovernmentTakeLeaderInfo[] newArray(int size) {
            return new GovernmentTakeLeaderInfo[size];
        }
    };

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getLeaderId() {
        return leaderId;
    }

    public void setLeaderId(String leaderId) {
        this.leaderId = leaderId;
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeString(name);
        dest.writeString(leaderId);
    }
}

Intent intent = getIntent();
intent.putParcelableArrayListExtra("data_return", data);//跨进程使用，或者intent传递对象的时候使用
setResult(RESULT_OK, intent);