android sqlite 应用

package com.meetrend.dayitea.memberlistdb;

import java.util.ArrayList;
import java.util.List;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteStatement;
import android.util.Log;

import com.meetrend.dayitea.bean.Member;

public class MemberListDbOperator {

private static MemberListDbOperator dbOperator = null;

public MemberListDbOperator(){

}

public static MemberListDbOperator getInstance(){

if (dbOperator == null) {
dbOperator = new MemberListDbOperator();
}
return dbOperator;
}

//存储执行人
public  void saveMembers(Context context,List<Member> list){

SQLiteDatabase sqLiteDatabase = MemberDb.getInstance(context).getWritableDatabase();
try {
sqLiteDatabase.beginTransaction();
int size = list.size();

for (int i = 0; i < size; i++) {
Member item = list.get(i);

ContentValues contentValues = new ContentValues();
contentValues.put("customerName", item.customerName);
contentValues.put("managerId", item.managerId);
contentValues.put("type", item.type);
contentValues.put("memberId", item.memberId);
contentValues.put("pictureId", item.pictureId);
contentValues.put("userId", item.userId);
contentValues.put("createTime", item.createTime);
contentValues.put("userName", item.userName);
contentValues.put("status", item.status);
contentValues.put("remark", item.remark);
contentValues.put("mobile", item.mobile);
contentValues.put("position", item.position);//整形
contentValues.put("isGroup", item.isGroup);
contentValues.put("pinyinName", item.pinyinName);

contentValues.put("checkstatus", item.checkstatus == true ? "0" :"-1" );//boolea类型（sql不能存储该类型）
contentValues.put("isDefault", item.isDefault == true ? "0" :"-1");
contentValues.put("canTalk", item.canTalk == true ? "0" :"-1");

sqLiteDatabase.insert(MemberDb.TABLE_NAME, null, contentValues);//存储

}

sqLiteDatabase.setTransactionSuccessful();
System.out.println("通讯录数据存储成功 !!!");

} catch (Exception e) {
e.printStackTrace();
System.out.println("通讯录数据存储失败 !!!");
}finally{

sqLiteDatabase.endTransaction();
if (sqLiteDatabase != null) {
sqLiteDatabase.close();
}

}
}

//存储执行人
public  void saveOneMember(Context context,Member member){

SQLiteDatabase sqLiteDatabase = MemberDb.getInstance(context).getWritableDatabase();

try {
sqLiteDatabase.beginTransaction();

Member item = member;
ContentValues contentValues = new ContentValues();
contentValues.put("customerName", item.customerName);
contentValues.put("managerId", item.managerId);
contentValues.put("type", item.type);
contentValues.put("memberId", item.memberId);
contentValues.put("pictureId", item.pictureId);
contentValues.put("userId", item.userId);
contentValues.put("createTime", item.createTime);
contentValues.put("userName", item.userName);
contentValues.put("status", item.status);
contentValues.put("remark", item.remark);
contentValues.put("mobile", item.mobile);
contentValues.put("position", item.position);//整形
contentValues.put("isGroup", item.isGroup);
contentValues.put("pinyinName", item.pinyinName);

contentValues.put("checkstatus", item.checkstatus == true ? "0" :"-1" );
contentValues.put("isDefault", item.isDefault == true ? "0" :"-1");
contentValues.put("canTalk", item.canTalk == true ? "0" :"-1");

sqLiteDatabase.insert(MemberDb.TABLE_NAME, null, contentValues);//存储

sqLiteDatabase.setTransactionSuccessful();
System.out.println("通讯录数据存储成功 !!!");

} catch (Exception e) {
e.printStackTrace();
System.out.println("通讯录数据存储失败 !!!");
}finally{

sqLiteDatabase.endTransaction();
if (sqLiteDatabase != null) {
sqLiteDatabase.close();
}

}
}

//获取所有执行人
public List<Member> getMemberList(Context context){

List<Member> executorList = new ArrayList<Member>();
SQLiteDatabase sqLiteDatabase = MemberDb.getInstance(context).getWritableDatabase();
Cursor cursor = null;
sqLiteDatabase.beginTransaction();//开启事务
try {
cursor = sqLiteDatabase.rawQuery("select * from "+ MemberDb.TABLE_NAME, null);
if (!cursor.moveToFirst()) {
cursor.close();
return executorList;
}
do {
Member member = new Member();
member.customerName =  cursor.getString(cursor.getColumnIndex("customerName"));
member.managerId =  cursor.getString(cursor.getColumnIndex("managerId"));
member.type =  cursor.getString(cursor.getColumnIndex("type"));
member.memberId =  cursor.getString(cursor.getColumnIndex("memberId"));
member.pictureId =  cursor.getString(cursor.getColumnIndex("pictureId"));
member.userId =  cursor.getString(cursor.getColumnIndex("userId"));
member.createTime =  cursor.getString(cursor.getColumnIndex("createTime"));
member.userName =  cursor.getString(cursor.getColumnIndex("userName"));
member.status =  cursor.getString(cursor.getColumnIndex("status"));
member.remark =  cursor.getString(cursor.getColumnIndex("remark"));
member.mobile =  cursor.getString(cursor.getColumnIndex("mobile"));
member.position =  cursor.getInt(cursor.getColumnIndex("position"));//整形
member.isGroup =  cursor.getInt(cursor.getColumnIndex("isGroup"));//整形

member.pinyinName =  cursor.getString(cursor.getColumnIndex("pinyinName"));
member.checkstatus =  cursor.getString(cursor.getColumnIndex("checkstatus")).equals("0") ? true : false;
member.isDefault =  cursor.getString(cursor.getColumnIndex("isDefault")).equals("0") ? true : false;
member.canTalk =  cursor.getString(cursor.getColumnIndex("canTalk")).equals("0") ? true : false;

executorList.add(member);
} while (cursor.moveToNext());

sqLiteDatabase.setTransactionSuccessful();
System.out.println("db get data success !!!");

} catch (Exception e) {
e.printStackTrace();
System.out.println("db get data fail !!!");
}finally{
sqLiteDatabase.endTransaction();//结束事务
if (cursor != null) {
cursor.close();
}
if (sqLiteDatabase != null) {
sqLiteDatabase.close();
}
}
return executorList;
}

//模糊查找数据
public ArrayList<Member> searchMembers(Context context,String key){

ArrayList<Member> searchList = new ArrayList<Member>();
SQLiteDatabase sqLiteDatabase = MemberDb.getInstance(context).getWritableDatabase();
Cursor cursor = null;
sqLiteDatabase.beginTransaction();//开启事务
try {
cursor = sqLiteDatabase.rawQuery("select * from "+ MemberDb.TABLE_NAME +" where customerName like '"+ "%"+key+"%'", null);//
if (!cursor.moveToFirst()) {
cursor.close();
return searchList;
}
do {

Member member = new Member();
member.customerName =  cursor.getString(cursor.getColumnIndex("customerName"));
member.managerId =  cursor.getString(cursor.getColumnIndex("managerId"));
member.type =  cursor.getString(cursor.getColumnIndex("type"));
member.memberId =  cursor.getString(cursor.getColumnIndex("memberId"));
member.pictureId =  cursor.getString(cursor.getColumnIndex("pictureId"));
member.userId =  cursor.getString(cursor.getColumnIndex("userId"));
member.createTime =  cursor.getString(cursor.getColumnIndex("createTime"));
member.userName =  cursor.getString(cursor.getColumnIndex("userName"));
member.status =  cursor.getString(cursor.getColumnIndex("status"));
member.remark =  cursor.getString(cursor.getColumnIndex("remark"));
member.mobile =  cursor.getString(cursor.getColumnIndex("mobile"));
member.position =  cursor.getInt(cursor.getColumnIndex("position"));//整形
member.isGroup =  cursor.getInt(cursor.getColumnIndex("isGroup"));//整形

member.pinyinName =  cursor.getString(cursor.getColumnIndex("pinyinName"));
member.checkstatus =  cursor.getString(cursor.getColumnIndex("checkstatus")).equals("0") ? true : false;
member.isDefault =  cursor.getString(cursor.getColumnIndex("isDefault")).equals("0") ? true : false;
member.canTalk =  cursor.getString(cursor.getColumnIndex("canTalk")).equals("0") ? true : false;

searchList.add(member);
} while (cursor.moveToNext());

sqLiteDatabase.setTransactionSuccessful();
System.out.println("db get data success !!!");

} catch (Exception e) {
e.printStackTrace();
System.out.println("db get data fail !!!");
}finally{
sqLiteDatabase.endTransaction();//结束事务
if (cursor != null) {
cursor.close();
}
if (sqLiteDatabase != null) {
sqLiteDatabase.close();
}
}
return searchList;

}

/**
* 根据会员的userId查找会员信息
* @param context
* @param userId 会员id
* @return
*/
public boolean findOneMember(Context context,String userId){

String customerName = null;

SQLiteDatabase sqLiteDatabase = MemberDb.getInstance(context).getWritableDatabase();
Cursor cursor = null;

sqLiteDatabase.beginTransaction();//开启事务
try {

cursor = sqLiteDatabase.rawQuery("select * from "+ MemberDb.TABLE_NAME
+" where userId =" + "'"+ userId +"'" , null);

if (!cursor.moveToFirst()) {
cursor.close();
return false;
}

customerName = cursor.getString(cursor.getColumnIndex("customerName"));
sqLiteDatabase.setTransactionSuccessful();

} catch (Exception e) {

}finally{

sqLiteDatabase.endTransaction();//结束事务
if (cursor != null) {
cursor.close();
}
if (sqLiteDatabase != null) {
sqLiteDatabase.close();
}
}

if (null != customerName) {
return true;
}

return false;
}

/**
* 删除表中的某条记录
* @param context
*/
public void clearOndMember(Context context,Member member){
SQLiteDatabase sqLiteDatabase = MemberDb.getInstance(context).getWritableDatabase();
sqLiteDatabase.beginTransaction();//开启事务

try {
sqLiteDatabase.delete(MemberDb.TABLE_NAME, "userId = ?", new String[]{member.userId});
sqLiteDatabase.setTransactionSuccessful();

} catch (Exception e) {
e.printStackTrace();
}finally{

sqLiteDatabase.endTransaction();//结束事务
if (sqLiteDatabase != null) {
sqLiteDatabase.close();
}
}

}

//删除表中所有数据
public void clearMemberDatas(Context context){
SQLiteDatabase sqLiteDatabase = MemberDb.getInstance(context).getWritableDatabase();
sqLiteDatabase.beginTransaction();//开启事务

try {
String sql = "delete from "+ MemberDb.TABLE_NAME;
sqLiteDatabase.execSQL(sql);

sqLiteDatabase.setTransactionSuccessful();
System.out.println("db delete success !!!");
} catch (Exception e) {
System.out.println("db delete fail !!!");
}finally{

sqLiteDatabase.endTransaction();//结束事务
if (sqLiteDatabase != null) {
sqLiteDatabase.close();
}
}

}

//数据库记录的总条数
public long getSQLiteMemberListSize(Context context){

long count = 0;
Cursor cursor = null;

SQLiteDatabase sqLiteDatabase = MemberDb.getInstance(context).getWritableDatabase();
sqLiteDatabase.beginTransaction();//开启事务
try {

//				cursor = sqLiteDatabase.rawQuery("select count(*) from "+ MemberDb.TABLE_NAME,null);
//				//游标移到第一条记录准备获取数据
//				cursor.moveToFirst();
//				count = cursor.getLong(0);
//				sqLiteDatabase.setTransactionSuccessful();
String sql = "select count(*) from "+ MemberDb.TABLE_NAME;
SQLiteStatement statement = sqLiteDatabase.compileStatement(sql);
count = statement.simpleQueryForLong();

} catch (Exception e) {
e.printStackTrace();
}finally{

sqLiteDatabase.endTransaction();//结束事务
if (cursor != null) {
cursor.close();
}
if (sqLiteDatabase != null) {
sqLiteDatabase.close();
}
}

return count;
}

}