郭大神的 litepal 不敢恭维,占用 id 问题 ~~~
myApplication
package com.baoy.demo.demolitepal; import org.litepal.LitePalApplication; import android.content.Context; //com.baoy.demo.demolitepal.MyApplication public class MyApplication extends LitePalApplication { private static Context mContext; @Override public void onCreate() { super.onCreate(); mContext = getApplicationContext(); } public static Context getmContext() { return mContext; } public static void setmContext( Context mContext ) { MyApplication.mContext = mContext; } }
package com.baoy.demo.demolitepal.entity; import java.io.Serializable; import java.util.Date; import android.database.Cursor; //com.baoy.demo.demolitepal.entity.UserEntity public class UserEntity extends BaseDBEntity implements Serializable{ private long id; private long sid; private RelatsionEntity relatsionEntity; private String nikeName; private String realName; private String password; private String phone; private String mail; private Date lastUpdateTime; private Date insertTime; private String photo; @Override public long getId() { return this.id ; } public UserEntity(){} public UserEntity(long id ,long sid, String nikeName, String realName, String password, String phone, String mail, Date lastUpdateTime, Date insertTime, String photo) { this.id = id; this.sid = sid; this.nikeName = nikeName; this.realName = realName; this.password = password; this.phone = phone; this.mail = mail; this.lastUpdateTime = lastUpdateTime; this.insertTime = insertTime; this.photo = photo; } public UserEntity(long id, RelatsionEntity relatsionEntity, String nikeName, String realName, String password, String phone, String mail, Date lastUpdateTime, Date insertTime, String photo) { this.id = id; this.relatsionEntity = relatsionEntity; this.nikeName = nikeName; this.realName = realName; this.password = password; this.phone = phone; this.mail = mail; this.lastUpdateTime = lastUpdateTime; this.insertTime = insertTime; this.photo = photo; } @Override public String toString() { return "UserEntity [id=" + id + ",sid=" + sid + ", relatsionEntity=" + relatsionEntity + ", nikeName=" + nikeName + ", realName=" + realName + ", password=" + password + ", phone=" + phone + ", mail=" + mail + ", lastUpdateTime=" + lastUpdateTime + ", insertTime=" + insertTime + ", photo=" + photo + "]"; } public RelatsionEntity getRelatsionEntity() { return relatsionEntity; } public void setRelatsionEntity(RelatsionEntity relatsionEntity) { this.relatsionEntity = relatsionEntity; } public String getNikeName() { return nikeName; } public void setNikeName(String nikeName) { this.nikeName = nikeName; } public String getRealName() { return realName; } public void setRealName(String realName) { this.realName = realName; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; } public String getMail() { return mail; } public void setMail(String mail) { this.mail = mail; } public Date getLastUpdateTime() { return lastUpdateTime; } public void setLastUpdateTime(Date lastUpdateTime) { this.lastUpdateTime = lastUpdateTime; } public Date getInsertTime() { return insertTime; } public void setInsertTime(Date insertTime) { this.insertTime = insertTime; } public String getPhoto() { return photo; } public void setPhoto(String photo) { this.photo = photo; } public void setId(long id) { this.id = id; } public long getSid() { return sid; } public void setSid(long sid) { this.sid = sid; } }
package com.baoy.demo.demolitepal; import java.util.ArrayList; import java.util.Date; import java.util.List; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.util.Log; import com.baoy.demo.demolitepal.entity.RelatsionEntity; import com.baoy.demo.demolitepal.entity.UserEntity; //https://github.com/LitePalFramework/LitePal public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); init(); } /*static UserEntity user1 =new UserEntity(1,1 ,"a","a","a","15011112222","a@163.com",new Date(),new Date(),""); static UserEntity user2 =new UserEntity(2,2 ,"b","b","b","15011112223","b@163.com",new Date(),new Date(),""); static UserEntity user3 =new UserEntity(3,3 ,"c","c","c","15011112224","c@163.com",new Date(),new Date(),""); static RelatsionEntity re1 = new RelatsionEntity(1,"朋友",new ArrayList<UserEntity>(){{add(user1);add(user2);}}); static RelatsionEntity re2 = new RelatsionEntity(2,"同事",new ArrayList<UserEntity>(){{add(user3);}});*/ private void init() { UserEntity user1 =new UserEntity(1,1 ,"a","a","a","15011112222","a@163.com",new Date(),new Date(),""); UserEntity user2 =new UserEntity(2,2 ,"b","b","b","15011112223","b@163.com",new Date(),new Date(),""); UserEntity user3 =new UserEntity(3,3 ,"c","c","c","15011112224","c@163.com",new Date(),new Date(),""); user1.save(); user2.save(); user3.save(); /*re1.save(); re2.save(); RelatsionEntity re1 = RelatsionEntity.find(RelatsionEntity.class, 1,true); System.out.println("RelatsionEntity : ==== " +re1.toString()); System.out.println("UserEntity list ==== " + re1.getUserListFromDB(re1.getId())); UserEntity ue1 = UserEntity.find(UserEntity.class, 1,true); System.out.println("UserEntity : ==== " + ue1.toString());*/ UserEntity ue1 = UserEntity.findFirst(UserEntity.class); Log.e("baoyou","UserEntity 1: ==== " + ue1.toString()); int deleteAll2 = UserEntity.deleteAll(UserEntity.class, "id>?", "1"); boolean save2 = user1.save(); UserEntity ue2 = UserEntity.findFirst(UserEntity.class); Log.e("baoyou","UserEntity 2: ==== "+deleteAll2+"---"+save2 +"--" + ue2 ); int deleteAll3 = UserEntity.deleteAll(UserEntity.class, "id>?", "1"); boolean save3 = user1.save(); UserEntity ue3 = UserEntity.findFirst(UserEntity.class); Log.e("baoyou","UserEntity 3: ==== "+deleteAll3+"---"+save3 +"--" + ue3); } }
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在兴趣的驱动下,写一个免费
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