數(shù)據(jù)庫(kù)如何用java寫超市購(gòu)物程序？

要使用Java編寫超市購(gòu)物程序，您需要使用Java數(shù)據(jù)庫(kù)編程技術(shù)來(lái)連接到您的數(shù)據(jù)庫(kù)并執(zhí)行相關(guān)的數(shù)據(jù)庫(kù)操作。在Java中，您可以使用JDBC（Java數(shù)據(jù)庫(kù)連接）API來(lái)連接到數(shù)據(jù)庫(kù)并執(zhí)行SQL語(yǔ)句。例如，您可以使用JDBC API來(lái)執(zhí)行以下操作：

創(chuàng)新互聯(lián)公司10多年企業(yè)網(wǎng)站制作服務(wù);為您提供網(wǎng)站建設(shè),網(wǎng)站制作,網(wǎng)頁(yè)設(shè)計(jì)及高端網(wǎng)站定制服務(wù),企業(yè)網(wǎng)站制作及推廣,對(duì)木制涼亭等多個(gè)領(lǐng)域擁有豐富的網(wǎng)站運(yùn)維經(jīng)驗(yàn)的網(wǎng)站建設(shè)公司。

創(chuàng)建數(shù)據(jù)庫(kù)連接

執(zhí)行增刪改查（CRUD）操作

提交或回滾事務(wù)

執(zhí)行存儲(chǔ)過(guò)程和函數(shù)

查詢數(shù)據(jù)庫(kù)元數(shù)據(jù)

此外，您還可以使用Java的面向?qū)ο缶幊碳夹g(shù)來(lái)封裝數(shù)據(jù)庫(kù)操作，以便更方便地在您的程序中使用。例如，您可以創(chuàng)建一個(gè)類來(lái)表示超市商品，并定義一些方法來(lái)執(zhí)行商品的增刪改查操作。這樣，您就可以在程序中通過(guò)調(diào)用這些方法來(lái)簡(jiǎn)單地完成對(duì)數(shù)據(jù)庫(kù)的操作，而不需要編寫復(fù)雜的SQL語(yǔ)句。

用java編寫實(shí)現(xiàn)簡(jiǎn)單購(gòu)物系統(tǒng)

package cn.job01;

import java.util.Scanner;

public class Lx07 {

public static void choice() {

System.out.println("登陸菜單 ");

System.out.println("1登陸系統(tǒng)");

System.out.println("2退出");

}

static void choice1() {

System.out.println("購(gòu)物管理系統(tǒng)客戶信息");

System.out.println("1顯示所有客戶信息");

System.out.println("2添加客戶信息");

System.out.println("3修改客戶信息");

System.out.println("4查詢客戶信息");

}

static void choice2() {

System.out.println("購(gòu)物管理系統(tǒng)真情回饋");

System.out.println("1幸運(yùn)大放送");

System.out.println("2幸運(yùn)抽獎(jiǎng)");

System.out.println("3生日問(wèn)候");

}

public static void main(String[] args) {

choice();

Scanner input = new Scanner(System.in);

System.out.println("請(qǐng)輸入1or2");

int num = input.nextInt();

switch (num) {

case 1:

System.out.println("主菜單");

System.out.println("1客戶信息管理");

System.out.println("2購(gòu)物結(jié)算");

System.out.println("3真情回饋");

System.out.println("4注銷");

break;

}

System.out.println("選擇輸入數(shù)字");

int num1 = input.nextInt();

switch (num1) {

case 1:

choice1();

break;

case 2:

System.out.println("購(gòu)物結(jié)算");

break;

case 3:

choice2();

break;

case 4:

choice();

break;

}

}

}

去修改下

求一個(gè)完整的javaweb項(xiàng)目的購(gòu)物網(wǎng)站源代碼

JAVA WEB項(xiàng)目的網(wǎng)絡(luò)購(gòu)物網(wǎng)站源代碼的話，很復(fù)雜的話，肯定是沒(méi)有的，你可以去eoe或者安卓巴士網(wǎng)站看看有沒(méi)有源碼

用JAVA編寫購(gòu)物系統(tǒng)的代碼是什么？（急）

算是最簡(jiǎn)單的吧

package cn.job01;

import java.util.Scanner;

public class Lx07 {

public static void choice() {

System.out.println("登陸菜單 ");

System.out.println("1登陸系統(tǒng)");

System.out.println("2退出");

}

static void choice1() {

System.out.println("購(gòu)物管理系統(tǒng)客戶信息");

System.out.println("1顯示所有客戶信息");

System.out.println("2添加客戶信息");

System.out.println("3修改客戶信息");

System.out.println("4查詢客戶信息");

}

static void choice2() {

System.out.println("購(gòu)物管理系統(tǒng)真情回饋");

System.out.println("1幸運(yùn)大放送");

System.out.println("2幸運(yùn)抽獎(jiǎng)");

System.out.println("3生日問(wèn)候");

}

public static void main(String[] args) {

choice();

Scanner input = new Scanner(System.in);

System.out.println("請(qǐng)輸入1or2");

int num = input.nextInt();

switch (num) {

case 1:

System.out.println("主菜單");

System.out.println("1客戶信息管理");

System.out.println("2購(gòu)物結(jié)算");

System.out.println("3真情回饋");

System.out.println("4注銷");

break;

}

System.out.println("選擇輸入數(shù)字");

int num1 = input.nextInt();

switch (num1) {

case 1:

choice1();

break;

case 2:

System.out.println("購(gòu)物結(jié)算");

break;

case 3:

choice2();

break;

case 4:

choice();

break;

}

}

}

求一套完整的JAVA WEB項(xiàng)目的網(wǎng)絡(luò)購(gòu)物網(wǎng)站源代碼

/**

*?@description:?

*?@author?chenshiqiang?E-mail:csqwyyx@163.com

*?@date?2014年9月7日?下午2:51:50???

*?@version?1.0???

*/

package?com.example.baidumap;

import?java.util.ArrayList;

import?java.util.Collections;

import?java.util.HashSet;

import?java.util.List;

import?android.app.Activity;

import?android.os.Bundle;

import?android.support.v4.view.PagerAdapter;

import?android.support.v4.view.PagerTabStrip;

import?android.support.v4.view.ViewPager;

import?android.text.Editable;

import?android.util.Log;

import?android.view.LayoutInflater;

import?android.view.View;

import?android.view.ViewGroup;

import?android.widget.ExpandableListView;

import?android.widget.ListView;

import?com.baidu.mapapi.map.offline.MKOLSearchRecord;

import?com.baidu.mapapi.map.offline.MKOLUpdateElement;

import?com.baidu.mapapi.map.offline.MKOfflineMap;

import?com.baidu.mapapi.map.offline.MKOfflineMapListener;

import?com.example.baidumap.adapters.OfflineExpandableListAdapter;

import?com.example.baidumap.adapters.OfflineMapAdapter;

import?com.example.baidumap.adapters.OfflineMapManagerAdapter;

import?com.example.baidumap.interfaces.OnOfflineItemStatusChangeListener;

import?com.example.baidumap.models.OfflineMapItem;

import?com.example.baidumap.utils.CsqBackgroundTask;

import?com.example.baidumap.utils.ToastUtil;

import?com.example.system.R;

public?class?BaiduOfflineMapActivity?extends?Activity?implements?MKOfflineMapListener,?OnOfflineItemStatusChangeListener

{

//?------------------------?Constants?------------------------

//?-------------------------?Fields?--------------------------

private?ViewPager?viewpager;

private?PagerTabStrip?pagertab;

private?MySearchView?svDown;

private?ListView?lvDown;

private?MySearchView?svAll;

private?ExpandableListView?lvWholeCountry;

private?ListView?lvSearchResult;

private?ListView?views?=?new?ArrayListView(2);

private?ListString?titles?=?new?ArrayListString(2);

private?MKOfflineMap?mOffline?=?null;

private?OfflineMapManagerAdapter?downAdapter;

private?OfflineMapAdapter?allSearchAdapter;

private?OfflineExpandableListAdapter?allCountryAdapter;

private?ListOfflineMapItem?itemsDown;?//?下載或下載中城市

private?ListOfflineMapItem?itemsAll;?//?所有城市，與熱門城市及下載管理對(duì)象相同

private?ListOfflineMapItem?itemsProvince;

private?ListListOfflineMapItem?itemsProvinceCity;

//?-----------------------?Constructors?----------------------

//?--------?Methods?for/from?SuperClass/Interfaces?-----------

@Override

protected?void?onCreate(Bundle?savedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_offline_map);

// final?String?packname?=?this.getPackageName();

// PackageInfo?packageInfo;

// try

// {

// packageInfo?=?this.getPackageManager().getPackageInfo(packname,?PackageManager.GET_SIGNATURES);

//

//

// if?(code?==?-00)

// {

//?初始化離線地圖管理

mOffline?=?new?MKOfflineMap();

mOffline.init(this);

initViews();

viewpager.setCurrentItem(1);

// }

// }

// catch?(NameNotFoundException?e)

// {

// e.printStackTrace();

// }

}

private?boolean?isResumed?=?false;

@Override

protected?void?onResume()

{

super.onResume();

if?(!isResumed)

{

isResumed?=?true;

loadData();

}

}

@Override

protected?void?onDestroy()

{

super.onDestroy();

mOffline.destroy();

}

/**

?*?

?*?@author?chenshiqiang?E-mail:csqwyyx@163.com

?*?@param?type

?*????????????事件類型:?MKOfflineMap.TYPE_NEW_OFFLINE,?MKOfflineMap.TYPE_DOWNLOAD_UPDATE,?MKOfflineMap.TYPE_VER_UPDATE.

?*?@param?state

?*????????????事件狀態(tài):?當(dāng)type為TYPE_NEW_OFFLINE時(shí)，表示新安裝的離線地圖數(shù)目.?當(dāng)type為TYPE_DOWNLOAD_UPDATE時(shí)，表示更新的城市ID.

?*/

@Override

public?void?onGetOfflineMapState(int?type,?int?state)

{

switch?(type)

{

case?MKOfflineMap.TYPE_DOWNLOAD_UPDATE:

MKOLUpdateElement?update?=?mOffline.getUpdateInfo(state);

if?(setElement(update,?true)?!=?null)

{

if?(itemsDown?!=?null??itemsDown.size()??1)

{

Collections.sort(itemsDown);

}

refreshDownList();

}

else

{

downAdapter.notifyDataSetChanged();

}

allSearchAdapter.notifyDataSetChanged();

allCountryAdapter.notifyDataSetChanged();

break;

case?MKOfflineMap.TYPE_NEW_OFFLINE:

//?有新離線地圖安裝

Log.d("OfflineDemo",?String.format("add?offlinemap?num:%d",?state));

break;

case?MKOfflineMap.TYPE_VER_UPDATE:

//?版本更新提示

break;

}

}

/**

?*?百度下載狀態(tài)改變（暫停--》恢復(fù)）居然不回調(diào)，所以改變狀態(tài)時(shí)自己得增加接口監(jiān)聽狀態(tài)改變刷新界面

?*?

?*?@author?chenshiqiang?E-mail:csqwyyx@163.com

?*?@param?item

?*????????????有狀態(tài)改變的item

?*?@param?removed

?*????????????item是否被刪除

?*/

@Override

public?void?statusChanged(OfflineMapItem?item,?boolean?removed)

{

if?(removed)

{

for?(int?i?=?itemsDown.size()?-?1;?i?=?0;?i--)

{

OfflineMapItem?temp?=?itemsDown.get(i);

if?(temp.getCityId()?==?item.getCityId())

{

itemsDown.remove(i);

}

}

refreshDownList();

}

else

{

loadData();

downAdapter.notifyDataSetChanged();

}

allSearchAdapter.notifyDataSetChanged();

allCountryAdapter.notifyDataSetChanged();

}

//?---------------------?Methods?public?----------------------

public?void?toDownloadPage()

{

viewpager.setCurrentItem(0);

}

//?---------------------?Methods?private?---------------------

private?void?initViews()

{

//?TODO

viewpager?=?(ViewPager)?findViewById(R.id.viewpager);

pagertab?=?(PagerTabStrip)?findViewById(R.id.pagertab);

LayoutInflater?inf?=?LayoutInflater.from(this);

View?v1?=?inf.inflate(R.layout.view_offline_download,?null,?false);

svDown?=?(MySearchView)?v1.findViewById(R.id.svDown);

lvDown?=?(ListView)?v1.findViewById(R.id.lvDown);

views.add(v1);

View?v2?=?inf.inflate(R.layout.view_offline_countrys,?null,?false);

svAll?=?(MySearchView)?v2.findViewById(R.id.svAll);

lvWholeCountry?=?(ExpandableListView)?v2.findViewById(R.id.lvWholeCountry);

lvSearchResult?=?(ListView)?v2.findViewById(R.id.lvSearchResult);

views.add(v2);

titles.add("下載管理");

titles.add("城市列表");

pagertab.setTabIndicatorColor(0xff00cccc);

pagertab.setDrawFullUnderline(false);

pagertab.setBackgroundColor(0xFF38B0DE);

pagertab.setTextSpacing(50);

viewpager.setOffscreenPageLimit(2);

viewpager.setAdapter(new?MyPagerAdapter());

svDown.setSearchListener(new?MySearchView.SearchListener()

{

@Override

public?void?afterTextChanged(Editable?text)

{

refreshDownList();

}

@Override

public?void?search(String?text)

{

}

});

svAll.setSearchListener(new?MySearchView.SearchListener()

{

@Override

public?void?afterTextChanged(Editable?text)

{

refreshAllSearchList();

}

@Override

public?void?search(String?text)

{

}

});

downAdapter?=?new?OfflineMapManagerAdapter(this,?mOffline,?this);

lvDown.setAdapter(downAdapter);

allSearchAdapter?=?new?OfflineMapAdapter(this,?mOffline,?this);

lvSearchResult.setAdapter(allSearchAdapter);

allCountryAdapter?=?new?OfflineExpandableListAdapter(this,?mOffline,?this);

lvWholeCountry.setAdapter(allCountryAdapter);

lvWholeCountry.setGroupIndicator(null);

}

/**

?*?刷新下載列表,?根據(jù)搜索關(guān)鍵字及itemsDown?下載管理數(shù)量變動(dòng)時(shí)調(diào)用

?*/

private?void?refreshDownList()

{

String?key?=?svDown.getInputText();

if?(key?==?null?||?key.length()??1)

{

downAdapter.setDatas(itemsDown);

}

else

{

ListOfflineMapItem?filterList?=?new?ArrayListOfflineMapItem();

if?(itemsDown?!=?null??!itemsDown.isEmpty())

{

for?(OfflineMapItem?i?:?itemsDown)

{

if?(i.getCityName().contains(key))

{

filterList.add(i);

}

}

}

downAdapter.setDatas(filterList);

}

}

/**

?*?刷新所有城市搜索結(jié)果

?*/

private?void?refreshAllSearchList()

{

String?key?=?svAll.getInputText();

if?(key?==?null?||?key.length()??1)

{

lvSearchResult.setVisibility(View.GONE);

lvWholeCountry.setVisibility(View.VISIBLE);

allSearchAdapter.setDatas(null);

}

else

{

lvSearchResult.setVisibility(View.VISIBLE);

lvWholeCountry.setVisibility(View.GONE);

ListOfflineMapItem?filterList?=?new?ArrayListOfflineMapItem();

if?(itemsAll?!=?null??!itemsAll.isEmpty())

{

for?(OfflineMapItem?i?:?itemsAll)

{

if?(i.getCityName().contains(key))

{

filterList.add(i);

}

}

}

allSearchAdapter.setDatas(filterList);

}

}

private?void?loadData()

{

new?CsqBackgroundTaskVoid(this)

{

@Override

protected?Void?onRun()

{

//?TODO?Auto-generated?method?stub

//?導(dǎo)入離線地圖包

//?將從官網(wǎng)下載的離線包解壓，把vmp文件夾拷入SD卡根目錄下的BaiduMapSdk文件夾內(nèi)。

//?把網(wǎng)站上下載的文件解壓，將\BaiduMap\vmp\l里面的.dat_svc文件，拷貝到手機(jī)BaiduMapSDK/vmp/h目錄下

int?num?=?mOffline.importOfflineData();

if?(num??0)

{

ToastUtil.showToastInfo(BaiduOfflineMapActivity.this,?"成功導(dǎo)入"?+?num?+?"個(gè)離線包",?false);

}

ListMKOLSearchRecord?all?=?null;

try

{

all?=?mOffline.getOfflineCityList();

}

catch?(Exception?e)

{

e.printStackTrace();

}

if?(all?==?null?||?all.isEmpty())

{

ToastUtil.showToastInfo(BaiduOfflineMapActivity.this,?"未獲取到離線地圖城市數(shù)據(jù)，可能有其他應(yīng)用正在使用百度離線地圖功能！",?false);

return?null;

}

ListMKOLSearchRecord?hotCity?=?mOffline.getHotCityList();

HashSetInteger?hotCityIds?=?new?HashSetInteger();

if?(!hotCity.isEmpty())

{

for?(MKOLSearchRecord?r?:?hotCity)

{

hotCityIds.add(r.cityID);

}

}

itemsAll?=?new?ArrayListOfflineMapItem();

itemsDown?=?new?ArrayListOfflineMapItem();

itemsProvince?=?new?ArrayListOfflineMapItem();

itemsProvinceCity?=?new?ArrayListListOfflineMapItem();

//?cityType?0:全國(guó)；1：省份；2：城市,如果是省份，可以通過(guò)childCities得到子城市列表

//?全國(guó)概略圖、直轄市、港澳?子城市列表

ArrayListMKOLSearchRecord?childMunicipalities?=?new?ArrayListMKOLSearchRecord();

proHot.cityName?=?"熱門城市";

proHot.childCities?=?cs;

ListMKOLUpdateElement?updates?=?mOffline.getAllUpdateInfo();

if?(updates?!=?null??updates.size()??0)

{

}

@Override

protected?void?onResult(Void?result)

{

//?TODO?Auto-generated?method?stub

refreshDownList();

refreshAllSearchList();

allCountryAdapter.setDatas(itemsProvince,?itemsProvinceCity);

}

}.execute();

}

java編寫簡(jiǎn)單購(gòu)物系統(tǒng)

package cn.job01;

import java.util.Scanner;

public class Lx07 {

public static void choice() {

System.out.println("登陸菜單 ");

System.out.println("1登陸系統(tǒng)");

System.out.println("2退出");

}

static void choice1() {

System.out.println("購(gòu)物管理系統(tǒng)客戶信息");

System.out.println("1顯示所有客戶信息");

System.out.println("2添加客戶信息");

System.out.println("3修改客戶信息");

System.out.println("4查詢客戶信息");

}

static void choice2() {

System.out.println("購(gòu)物管理系統(tǒng)真情回饋");

System.out.println("1幸運(yùn)大放送");

System.out.println("2幸運(yùn)抽獎(jiǎng)");

System.out.println("3生日問(wèn)候");

}

public static void main(String[] args) {

choice();

Scanner input = new Scanner(System.in);

System.out.println("請(qǐng)輸入1or2");

int num = input.nextInt();

switch (num) {

case 1:

System.out.println("主菜單");

System.out.println("1客戶信息管理");

System.out.println("2購(gòu)物結(jié)算");

System.out.println("3真情回饋");

System.out.println("4注銷");

break;

}

System.out.println("選擇輸入數(shù)字");

int num1 = input.nextInt();

switch (num1) {

case 1:

choice1();

break;

case 2:

System.out.println("購(gòu)物結(jié)算");

break;

case 3:

choice2();

break;

case 4:

choice();

break;

}

}

}

新聞名稱：簡(jiǎn)單購(gòu)物網(wǎng)站代碼JAVA 購(gòu)物商城代碼
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