/**
*
查找一条数据
*
@param
uid
*/
public
user
find(integer
uid){
sqlitedatabase
db=dbopenhelper.getreadabledatabase()
//创建数据库辅助类
cursor
cursor
=db.rawquery("select
*
from
user
where
uid=?",
new
string[]{uid.tostring()})
//创建一个游标
if(cursor.movetofirst()){
//循环遍历查找数组
int
uid2=cursor.getint(cursor.getcolumnindex("uid"))
string
uname=cursor.getstring(cursor.getcolumnindex("uname"))
string
uaddress=cursor.getstring(cursor.getcolumnindex("uaddress"))
user
user=new
user()
user.setuid(uid2)
user.setuname(uname)
user.setuaddress(uaddress)
return
user
}
cursor.close()
return
null
}
c = db.rawQuery("select _id,duration,album_id,size,album_pic,artist_pic,title,data,album,artist,recentiy_time from musictbl where recentiy_time <>0",null)排序可以对list进行排序,在music类里实现一下排序的接口就可以了吧
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