JavaWeb：一般情况整个电商项目大概有多少行代码？

一般的电商项目大概5万行左右，但是有80%是框架自带的或者自动生成的代码。

创新互联服务项目包括秦都网站建设、秦都网站制作、秦都网页制作以及秦都网络营销策划等。多年来，我们专注于互联网行业，利用自身积累的技术优势、行业经验、深度合作伙伴关系等，向广大中小型企业、政府机构等提供互联网行业的解决方案，秦都网站推广取得了明显的社会效益与经济效益。目前，我们服务的客户以成都为中心已经辐射到秦都省份的部分城市，未来相信会继续扩大服务区域并继续获得客户的支持与信任！

代码只有数字不同，如何快速打出8000行

批处理（输出到当前目录下output.txt内）

for /l %%a in (1,1,8000) do (echo asdfg%%ajkllpiuyoutput.txt)

存作.bat文件

VBS（相当于从键盘按键输入）

Dim WS,n

WScript.Sleep 5000

Set WS = CreateObject("WScript.Shell")

For n = 1 to 8000

WS.Sendkeys "asdfg" n "jkllpiuy"

WS.Sendkeys "{ENTER}"

Next

运行后五秒开始输出，请先关掉输入法，并在这之内聚焦到需要输入的窗口上

存作.vbs文件

求一Java代码，要简单的。大概一百多行的的。

题目：一球从100米高度自由落下，每次落地后反跳回原高度的一半；再落下，求它在 第10次落地时，共经过多少米？第10次反弹多高？

这个题目，下面我会贴出来两种代码。其实这个题目，我烦了简单计算，想搞得有趣味性一点，结果耽误了好几天时间，最后发现搞的也不好。

先第一种，为了解题而解题。

==== Main.java ====

public class Main {

private double TotalHeight = 100;

private double CurHeight = 50;

public void drop(int times) {

if ((times - 1) == 0) {

return;

}

setTotalHeight(getTotalHeight() + 2 * getCurHeight());

setCurHeight(getCurHeight() / 2);

drop(times - 1);

}

public double getTotalHeight() {

return TotalHeight;

}

public void setTotalHeight(double totalHeight) {

TotalHeight = totalHeight;

}

public double getCurHeight() {

return CurHeight;

}

public void setCurHeight(double curHeight) {

CurHeight = curHeight;

}

public static void main(String[] args) {

Main main = new Main();

main.drop(2);

System.out.println("Total height is " +

main.getTotalHeight());

System.out.println("Current height is " +

main.getCurHeight());

}

}

==== 然后是第二种 =====

==== Main.java ====

package main;

import javax.swing.JFrame;

import panel.BallPanel;

import time.Delay;

public class MainFrame extends JFrame {

public MainFrame(String title) {

super(title);

}

public static void main(String[] args) {

Delay delay = new Delay();

MainFrame frame = new MainFrame("Hello JFrame");

BallPanel ballPanel = new BallPanel();

frame.add(ballPanel);

frame.setSize(500, 500);

frame.setVisible(true);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

delay.initDelay();

ballPanel.setDelay(delay.getDelay());

ballPanel.loopDrop(0);

}

}

==== Delay.java ====

package time;

public class Delay {

public void initDelay() {

int g = 10;

int i = 0;

double s, t, t0 = 0.0;

delay = new int[100];

for (s = 100; s 10100; s += 100) {

t = Math.sqrt(2 * s / g);

delay[i++] = (int) ((t - t0) * 100);

t0 = t;

}

}

public int[] getDelay() {

return delay;

}

private int delay[];

}

==== BallPanel.java ====

package panel;

import java.awt.Color;

import java.awt.Graphics;

import javax.swing.JPanel;

public class BallPanel extends JPanel {

public BallPanel() {

super();

}

public void paint(Graphics g) {

g.clearRect(0, 0, this.getWidth(), this.getHeight());

g.setColor(Color.BLUE);

g.fillOval(250, ballCenter, 30, 30);

}

public void loopDrop(int height) {

int i;

if (this.height == height) { // At bottom

for (i = 0; i targetHeight; i += MUL) {

ballCenter = this.height - i;

this.repaint();

try {

Thread.sleep(delay[(targetHeight - i - 1) / MUL]);

} catch (InterruptedException e) {

e.printStackTrace();

}

}

loopDrop(this.height - i);

} else { // At top

for (i = height; i this.height; i += MUL) {

ballCenter = i;

this.repaint();

try {

Thread.sleep(delay[(i - height) / MUL]);

} catch (InterruptedException e) {

e.printStackTrace();

}

}

targetHeightV = targetHeightV / 2;

targetHeight = targetHeightV;

if (targetHeight != 0) {

loopDrop(i);

}

}

}

public void setDelay(int delay[]) {

this.delay = delay;

}

private int extracted() {

return 100 * MUL;

}

private int targetHeight = extracted();

private int targetHeightV = extracted();

private int ballCenter = 0;

private int height = extracted();

private int delay[];

private final int MUL = 4;

}

其实所谓的第二种，是用的JFrame在JPanel上画图，直观的展示出来每次弹起来的效果。因为100像素实在太小了，所以我做了一个变量MUL，相

当于是等比例扩大的效果。问题就是弹不到10次距离就用光了，所以。。。。。权当娱乐了。。当然可以等比例在放大，例如100M看成是10000像素，这

样能多弹几次。这个程序，最后球就在那里不动了，程序不会自己退出。

高分求一千行JAVA代码，题材不限~要有注释~！

你的分给的太多了，1000千行代码，给5分就可以了。

import java.io.*;

public class HaHa {

public static void main(String[] args) throws Exception {

StringBuilder sb = new StringBuilder();

sb.append("public class Test {\n");

sb.append("\tpublic static void main(String[] args) {\n");

for(int i = 0; i 1000; i++) {

sb.append("\t\tSystem.out.println(\"\u7f8e\u6b7b\u4f60\u4e86\uff0c50\u5206\u63621000\u884c\u4ee3\u7801\uff01\");\n");

}

sb.append("\t}\n");

sb.append("}\n");

FileWriter out = new FileWriter("Test.java");

out.write(sb.toString());

out.close();

}

}

java文件太大会无法编译么？如果是，那么文件大小的上限是多少k?

大的java文件一样可以编译的 我曾经见一强人写的8000行的类 一样运行 文件上传的大小是网站根据自己的实际而定的 并不存在固定值

求俄罗斯Java代码

上面这位仁兄的代码我调可很长时间才调好，做事情真不负责任，既然要贴出来就应该是拿来就能用的。哎！！我把改好的给你

import java.awt.*;

import java.awt.event.*;

//俄罗斯方块类

public class ERS_Block extends Frame{

public static boolean isPlay=false;

public static int level=1,score=0;

public static TextField scoreField,levelField;

public static MyTimer timer;

GameCanvas gameScr;

public static void main(String[] argus){

ERS_Block ers = new ERS_Block("俄罗斯方块游戏 V1.0 Author:Vincent");

WindowListener win_listener = new WinListener();

ers.addWindowListener(win_listener);

}

//俄罗斯方块类的构造方法

ERS_Block(String title){

super(title);

setSize(600,480);

setLayout(new GridLayout(1,2));

gameScr = new GameCanvas();

gameScr.addKeyListener(gameScr);

timer = new MyTimer(gameScr);

timer.setDaemon(true);

timer.start();

timer.suspend();

add(gameScr);

Panel rightScr = new Panel();

rightScr.setLayout(new GridLayout(2,1,0,30));

rightScr.setSize(120,500);

add(rightScr);

//右边信息窗体的布局

MyPanel infoScr = new MyPanel();

infoScr.setLayout(new GridLayout(4,1,0,5));

infoScr.setSize(120,300);

rightScr.add(infoScr);

//定义标签和初始值

Label scorep = new Label("分数:",Label.LEFT);

Label levelp = new Label("级数:",Label.LEFT);

scoreField = new TextField(8);

levelField = new TextField(8);

scoreField.setEditable(false);

levelField.setEditable(false);

infoScr.add(scorep);

infoScr.add(scoreField);

infoScr.add(levelp);

infoScr.add(levelField);

scorep.setSize(new Dimension(20,60));

scoreField.setSize(new Dimension(20,60));

levelp.setSize(new Dimension(20,60));

levelField.setSize(new Dimension(20,60));

scoreField.setText("0");

levelField.setText("1");

//右边控制按钮窗体的布局

MyPanel controlScr = new MyPanel();

controlScr.setLayout(new GridLayout(5,1,0,5));

rightScr.add(controlScr);

//定义按钮play

Button play_b = new Button("开始游戏");

play_b.setSize(new Dimension(50,200));

play_b.addActionListener(new Command(Command.button_play,gameScr));

//定义按钮Level UP

Button level_up_b = new Button("提高级数");

level_up_b.setSize(new Dimension(50,200));

level_up_b.addActionListener(new Command(Command.button_levelup,gameScr));

//定义按钮Level Down

Button level_down_b =new Button("降低级数");

level_down_b.setSize(new Dimension(50,200));

level_down_b.addActionListener(new Command(Command.button_leveldown,gameScr));

//定义按钮Level Pause

Button pause_b =new Button("游戏暂停");

pause_b.setSize(new Dimension(50,200));

pause_b.addActionListener(new Command(Command.button_pause,gameScr));

//定义按钮Quit

Button quit_b = new Button("退出游戏");

quit_b.setSize(new Dimension(50,200));

quit_b.addActionListener(new Command(Command.button_quit,gameScr));

controlScr.add(play_b);

controlScr.add(level_up_b);

controlScr.add(level_down_b);

controlScr.add(pause_b);

controlScr.add(quit_b);

setVisible(true);

gameScr.requestFocus();

}

}

//重写MyPanel类，使Panel的四周留空间

class MyPanel extends Panel{

public Insets getInsets(){

return new Insets(30,50,30,50);

}

}

//游戏画布类

class GameCanvas extends Canvas implements KeyListener{

final int unitSize = 30; //小方块边长

int rowNum; //正方格的行数

int columnNum; //正方格的列数

int maxAllowRowNum; //允许有多少行未削

int blockInitRow; //新出现块的起始行坐标

int blockInitCol; //新出现块的起始列坐标

int [][] scrArr; //屏幕数组

Block b; //对方快的引用

//画布类的构造方法

GameCanvas(){

rowNum = 15;

columnNum = 10;

maxAllowRowNum = rowNum - 2;

b = new Block(this);

blockInitRow = rowNum - 1;

blockInitCol = columnNum/2 - 2;

scrArr = new int [32][32];

}

//初始化屏幕，并将屏幕数组清零的方法

void initScr(){

for(int i=0;irowNum;i++)

for (int j=0; jcolumnNum;j++)

{ scrArr[i][j]=0; }

b.reset();

repaint();

}

//重新刷新画布方法

public void paint(Graphics g){

for(int i = 0; i rowNum; i++)

for(int j = 0; j columnNum; j++)

drawUnit(i,j,scrArr[i][j]);

}

//画方块的方法

public void drawUnit(int row,int col,int type){

scrArr[row][col] = type;

Graphics g = getGraphics();

switch(type){ //表示画方快的方法

case 0: g.setColor(Color.black);break; //以背景为颜色画

case 1: g.setColor(Color.blue);break; //画正在下落的方块

case 2: g.setColor(Color.magenta);break; //画已经落下的方法

}

g.fill3DRect(col*unitSize,getSize().height-(row+1)*unitSize,unitSize,unitSize,true);

g.dispose();

}

public Block getBlock(){

return b; //返回block实例的引用

}

//返回屏幕数组中(row,col)位置的属性值

public int getScrArrXY(int row,int col){

if (row 0 || row = rowNum || col 0 || col = columnNum)

return(-1);

else

return(scrArr[row][col]);

}

//返回新块的初始行坐标方法

public int getInitRow(){

return(blockInitRow); //返回新块的初始行坐标

}

//返回新块的初始列坐标方法

public int getInitCol(){

return(blockInitCol); //返回新块的初始列坐标

}

//满行删除方法

void deleteFullLine(){

int full_line_num = 0;

int k = 0;

for (int i=0;irowNum;i++){

boolean isfull = true;

L1:for(int j=0;jcolumnNum;j++)

if(scrArr[i][j] == 0){

k++;

isfull = false;

break L1;

}

if(isfull) full_line_num++;

if(k!=0 k-1!=i !isfull)

for(int j = 0; j columnNum; j++){

if (scrArr[i][j] == 0)

drawUnit(k-1,j,0);

else

drawUnit(k-1,j,2);

scrArr[k-1][j] = scrArr[i][j];

}

}

for(int i = k-1 ;i rowNum; i++){

for(int j = 0; j columnNum; j++){

drawUnit(i,j,0);

scrArr[i][j]=0;

}

}

ERS_Block.score += full_line_num;

ERS_Block.scoreField.setText(""+ERS_Block.score);

}

//判断游戏是否结束方法

boolean isGameEnd(){

for (int col = 0 ; col columnNum; col ++){

if(scrArr[maxAllowRowNum][col] !=0)

return true;

}

return false;

}

public void keyTyped(KeyEvent e){

}

public void keyReleased(KeyEvent e){

}

//处理键盘输入的方法

public void keyPressed(KeyEvent e){

if(!ERS_Block.isPlay)

return;

switch(e.getKeyCode()){

case KeyEvent.VK_DOWN:b.fallDown();break;

case KeyEvent.VK_LEFT:b.leftMove();break;

case KeyEvent.VK_RIGHT:b.rightMove();break;

case KeyEvent.VK_SPACE:b.leftTurn();break;

}

}

}

//处理控制类

class Command implements ActionListener{

static final int button_play = 1; //给按钮分配编号

static final int button_levelup = 2;

static final int button_leveldown = 3;

static final int button_quit = 4;

static final int button_pause = 5;

static boolean pause_resume = true;

int curButton; //当前按钮

GameCanvas scr;

//控制按钮类的构造方法

Command(int button,GameCanvas scr){

curButton = button;

this.scr=scr;

}

//按钮执行方法

public void actionPerformed (ActionEvent e){

switch(curButton){

case button_play:if(!ERS_Block.isPlay){

scr.initScr();

ERS_Block.isPlay = true;

ERS_Block.score = 0;

ERS_Block.scoreField.setText("0");

ERS_Block.timer.resume();

}

scr.requestFocus();

break;

case button_levelup:if(ERS_Block.level 10){

ERS_Block.level++;

ERS_Block.levelField.setText(""+ERS_Block.level);

ERS_Block.score = 0;

ERS_Block.scoreField.setText(""+ERS_Block.score);

}

scr.requestFocus();

break;

case button_leveldown:if(ERS_Block.level 1){

ERS_Block.level--;

ERS_Block.levelField.setText(""+ERS_Block.level);

ERS_Block.score = 0;

ERS_Block.scoreField.setText(""+ERS_Block.score);

}

scr.requestFocus();

break;

case button_pause:if(pause_resume){

ERS_Block.timer.suspend();

pause_resume = false;

}else{

ERS_Block.timer.resume();

pause_resume = true;

}

scr.requestFocus();

break;

case button_quit:System.exit(0);

}

}

}

//方块类

class Block {

static int[][] pattern = {

{0x0f00,0x4444,0x0f00,0x4444},//用十六进至表示，本行表示长条四种状态

{0x04e0,0x0464,0x00e4,0x04c4},

{0x4620,0x6c00,0x4620,0x6c00},

{0x2640,0xc600,0x2640,0xc600},

{0x6220,0x1700,0x2230,0x0740},

{0x6440,0x0e20,0x44c0,0x8e00},

{0x0660,0x0660,0x0660,0x0660}

};

int blockType; //块的模式号（0-6）

int turnState; //块的翻转状态（0-3）

int blockState; //快的下落状态

int row,col; //块在画布上的坐标

GameCanvas scr;

//块类的构造方法

Block(GameCanvas scr){

this.scr = scr;

blockType = (int)(Math.random() * 1000)%7;

turnState = (int)(Math.random() * 1000)%4;

blockState = 1;

row = scr.getInitRow();

col = scr.getInitCol();

}

//重新初始化块，并显示新块

public void reset(){

blockType = (int)(Math.random() * 1000)%7;

turnState = (int)(Math.random() * 1000)%4;

blockState = 1;

row = scr.getInitRow();

col = scr.getInitCol();

dispBlock(1);

}

//实现“块”翻转的方法

public void leftTurn(){

if(assertValid(blockType,(turnState + 1)%4,row,col)){

dispBlock(0);

turnState = (turnState + 1)%4;

dispBlock(1);

}

}

//实现“块”的左移的方法

public void leftMove(){

if(assertValid(blockType,turnState,row,col-1)){

dispBlock(0);

col--;

dispBlock(1);

}

}

//实现块的右移

public void rightMove(){

if(assertValid(blockType,turnState,row,col+1)){

dispBlock(0);

col++;

dispBlock(1);

}

}

//实现块落下的操作的方法

public boolean fallDown(){

if(blockState == 2)

return(false);

if(assertValid(blockType,turnState,row-1,col)){

dispBlock(0);

row--;

dispBlock(1);

return(true);

}else{

blockState = 2;

dispBlock(2);

return(false);

}

}

//判断是否正确的方法

boolean assertValid(int t,int s,int row,int col){

int k = 0x8000;

for(int i = 0; i 4; i++){

for(int j = 0; j 4; j++){

if((int)(pattern[t][s]k) != 0){

int temp = scr.getScrArrXY(row-i,col+j);

if (temp0||temp==2)

return false;

}

k = k 1;

}

}

return true;

}

//同步显示的方法

public synchronized void dispBlock(int s){

int k = 0x8000;

for (int i = 0; i 4; i++){

for(int j = 0; j 4; j++){

if(((int)pattern[blockType][turnState]k) != 0){

scr.drawUnit(row-i,col+j,s);

}

k=k1;

}

}

}

}

//定时线程

class MyTimer extends Thread{

GameCanvas scr;

public MyTimer(GameCanvas scr){

this.scr = scr;

}

public void run(){

while(true){

try{

sleep((10-ERS_Block.level + 1)*100);

}

catch(InterruptedException e){}

if(!scr.getBlock().fallDown()){

scr.deleteFullLine();

if(scr.isGameEnd()){

ERS_Block.isPlay = false;

suspend();

}else

scr.getBlock().reset();

}

}

}

}

class WinListener extends WindowAdapter{

public void windowClosing (WindowEvent l){

System.exit(0);

}

}

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