????android???????г???????????????????????????????????????????????????????????????????????????????????????sqlite???????????????????????
package com.example.utils;
import java.util.ArrayList;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
public class DBManage extends SQLiteOpenHelper {
static int init_version = 1;
static String database_name = "android_sqlite_test.db";
static String tab_name = "uer_log";
static String tab_field01 = "_id";
static String tab_field02 = "log_name";
SQLiteDatabase mDatabase;
public DBManage(Context context) {
super(context?? database_name?? null?? init_version);
// TODO Auto-generated constructor stub
mDatabase = getWritableDatabase();
}
@Override
public void onCreate(SQLiteDatabase db) {
// TODO Auto-generated method stub
String sql = "create table " + tab_name + " ( " + tab_field01
+ " integer primary key ?? " + tab_field02 + " text  not null) ";
db.execSQL(sql);
}
@Override
public void onUpgrade(SQLiteDatabase db?? int oldVersion?? int newVersion) {
// TODO Auto-generated method stub
}
/**
* ??????
*
* @param u
* @return
*/
public boolean insertData(String... str) {
int request_int = 0;
for (int i = 0; i < str.length; i++) {
// ????????ContentValues ???? ?????????????????????SQLite???????????????
ContentValues contentValues = new ContentValues();
contentValues.put(tab_field02?? str[i]);
mDatabase.insert(tab_name?? null?? contentValues);
request_int++;
}
return str.length == request_int;
}
// ???????????????????????
public ArrayList<String> query(int top_int?? String... str) {
ArrayList<String> result_list = new ArrayList<String>();
mDatabase = getReadableDatabase();
//????????????????
/*
* ??????
String current_sql_sel = "SELECT  * FROM " + tab_name;
Cursor c = mDatabase.rawQuery(current_sql_sel?? null);*/
//1.???????query????%????????' ;
Cursor c_test = mDatabase.query(tab_name?? new String[]{tab_field02}?? tab_field02+"  LIKE ? "??
new String[] { "%" + str[0] + "%" }?? null?? null?? null);
//2.???????query????%????????'  ;
//  Cursor  c_test=mDatabase.query(tab_name?? new String[]{tab_field02}??tab_field02+"  like '%" + str[0] + "%'"?? null?? null?? null?? null);
//3.???????????????%?????'  ;
String current_sql_sel = "SELECT  * FROM "+tab_name +" where "+tab_field02+" like '%"+str[0]+"%'";
//Cursor c_test = mDatabase.rawQuery(current_sql_sel?? null);
Log.e("tag"?? "??????...");
while (c_test.moveToNext()) {
String name = c_test.getString(c_test.getColumnIndex(tab_field02));
//name.contains(str[0]);
// ?ü????е?????????;
if (!result_list.contains(name)) {
result_list.add(name);
Log.e("tag"?? name);
}
}
c_test.close();
return result_list;
}
}