安卓app开发项目-基于android北京地铁小助手有导航功能(源码).zip

package com.bn.helper; import java.util.ArrayList; import java.util.List; import java.util.Vector; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; import android.widget.EditText; public class DBUtil { static SQLiteDatabase sld; static EditText et; public static void createOrOpenDatabase() throws Exception { sld=SQLiteDatabase.openDatabase ( "/data/data/com.bn.helper/sd.dbdb", //数据库所在路径 null, //CursorFactory SQLiteDatabase.OPEN_READWRITE|SQLiteDatabase.CREATE_IF_NECESSARY //读写、若不存在则创建 ); String sql1="create table if not exists lines(L_number INTEGER(5),L_name varchar2(20),L_description varchar2(100))"; sld.execSQL(sql1); String sql2="create table if not exists station(S_number INTEGER(5),S_name varchar(20),S_description varchar2(40),S_jd varchar2(20),S_wd varchar2(20))"; sld.execSQL(sql2); String sql3="create table if not exists ls(XZ_id INTEGER(5),L_number INTEGER(5),S_number INTEGER(5),num INTEGER(3))"; sld.execSQL(sql3); String sql4="create table if not exists linerevise(id INTEGER(5),num INTEGER(3),XZ_ID INTEGER(5),jd varchar2(20),wd varchar2(20))"; sld.execSQL(sql4); String sql5="create table if not exists temp(num INTEGER(3),jd varchar2(20),wd varchar2(20))"; sld.execSQL(sql5); String sql6="create table if not exists tranfrostop(id INTEGER(5),name varchar2(20),jd varchar2(20),wd varchar2(20),L_name varchar2(20))"; sld.execSQL(sql6); } public static void closeDatabase() throws Exception { sld.close(); } //插入记录的方法 public static void insert()throws Exception { String[] sqlsb={ "insert into lines values(00002,'地铁2号线','')", "insert into lines values(00001,'地铁1号线','')", "insert into lines values(00013,'地铁13号线','')", }; for(String sql:sqlsb) { sld.execSQL(sql); } String[] sqlsc={ "insert into station values(00001,'西直门站','','116.3551452636719','39.940277770390324')", "insert into station values(00002,'车公庄站','','116.35594367980957','39.93191969562437')", "insert into station values(00003,'阜成门站','','116.35637283325195','39.92290236029078')", "insert into station values(00004,'长椿街站','','116.36332511901855','39.89910274087739')", "insert into station values(00005,'宣武门站','','116.37439727783203','39.899497822790494')", "insert into station values(00006,'和平门站','','116.38426780700683','39.89989290242579')", "insert into station values(00007,'前门站','','116.39800071716308','39.89992582562591')", "insert into station values(00008,'崇文门站','','116.4175271987915','39.900847668807245')", "insert into station values(00009,'北京站','','116.42718315124512','39.90486412650293')", "insert into station values(00010,'朝阳门站','','116.43469333648681','39.924350479594196')", "insert into station values(00011,'东四十条站','','116.43435001373291','39.93343343839839')", "insert into station values(00012,'东直门站','','116.43374919891357','39.941001650090925')", "insert into station values(00013,'雍和宫站','','116.41705513000488','39.94909541971909')", "insert into station values(00014,'鼓楼大街站','','116.39370918273926','39.94876642336431')", "insert into station values(00015,'积水潭站','','116.37332439422607','39.94856902479194')", "insert into station values(00016,'苹果园站','','116.1779308319098','39.92645678026888')", "insert into station values(00017,'古城站','','116.19080543518066','39.907330022383197')", "insert into station values(00018,'八宝山革命公墓站','','116.23582363128662','39.90730022383197')", "insert into station values(00019,'玉泉路站','','116.25316143035888','39.90726730417519')", "insert into station values(00020,'五棵松站','','116.27423286437988','39.907201464814136')", "insert into station values(00021,'木樨地站','','116.33796215057373','39.907168545109904')", "insert into station values(00022,'南礼士路站','','116.35268211364746','39.9070368661347')", "insert into station values(00023,'复兴门站','','116.35667324066162','39.90713562538983')", "insert into station values(00024,'西单站','','116.37439727783203','39.907201464814136')", "insert into station values(00025,'天安门西站','','116.39182090759271','39.90733314347294')", "insert into station values(00026,'天安门东站','','116.4016056060791','39.907596500031254')", "insert into station values(00027,'王府井站','','116.4116907119751','39.90792569430544')", "insert into station values(00028,'东单站','','116.42014503479004','39.908123210110666')", "insert into station values(00029,'建国门站','','116.43593788146972','39.90845240185384')", "insert into station values(00030,'永安门站','','116.45057201385498','39.908254886997746')", "insert into station values(00031,'大望路站','','116.47679328918457','39.908024452279236')", "insert into station values(00032,'四惠路站','','116.49906635284424','39.908419482750716')", "insert into station values(00033,'四惠东站','','116.51618977519531','39.90832072534639')", "insert into station values(00034,'高碑店站','','116.5325403213501','39.9091107805945')", "insert into station values(00035,'双桥站','','116.57721519470215','39.9101312551376')", "insert into station values(00036,'管庄站','','116.5995740890503','39.90897910535256')", "insert into station values(00037,'八里桥站','','116.61828517913818','39.905687142046275')", "insert into station values(00038,'通州北苑站','','116.63738250732422','39.903481438133426')", "insert into station values(00039,'果园站','','116.64656639099121','39.893209165276026')", "insert into station values(00040,'九棵树站','','116.65763854980469','39.89001522821706')", "insert into station values(00041,'梨园站','','116.66853904724121','39.88359397660328')", "insert into station values(00042,'临河里站','','116.6788387298584','39.87522898285956')", "insert into station values(00043,'土桥站','','116.68664932250976','39.87177071491688')", "insert into station values(00044,'西直门站','','116.3551452636719','39.940277770390324')", "insert into station values(00045,'大钟寺站','','116.34512901306152','39.96652996217967')", "insert into station values(00046,'知春路站','','116.34000062942505','39.97642948739513')", "insert into station values(00047,'清华园站','','116.33914232254028','39.98261185212121')", "insert into station values(00048,'五道口站','','116.33761882781982','39.99285427306812')", "insert into station values(00049,'上地站','','116.32000207901001','40.03293783519874')", "insert into station values(00050,'清河站','','116.31500244140625','40.041184995048646')", "insert into station values(00051,'龙泽站','','116.31963729858398','40.07069902257262')", "insert into station values(00052,'回龙观站','','116.33648157119751','40.07046913520271')", "insert into station values(00053,'霍营站','','116.36128664016723','40.07056765845624')", "insert into station values(00054,'北苑站','','116.43465042114258','40.04294272685822')", "insert into station values(00055,'望京西站','','116.44604444503784','39.992788516034295')", "insert into station values(00056,'芍药居站','','116.4361310005188','39.977843588238784')", "insert into station values(00057,'光熙门站','','116.43190383911133','39.96825672678314')", "insert into station values(00058,'柳芳站','','116.43267631530762','39.958191542192644')", "insert into station values(00059,'东直门站','','116.43374919891357','39.941001650090925')",