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java版的我没32313133353236313431303231363533e4b893e5b19e31333330346531有，给你看个js版的：

.d {margin :1px;width:19px;height:19px;background:gray;position:absolute;}

.f {top:0px;left:0px;background:black;position:absolute;}

var over=false,shapes=("0,1,1,1,2,1,3,1;1,0,1,1,1,2,2,2;2,0,2,1,2,2,1,2;0,1,1,1,1,2,2,2;1,2,2,2,2,1,3,1;1,1,2,1,1,2,2,2;0,2,1,2,1,1,2,2").split(";");

function create(tag,css){

var elm=document.createElement(tag);

elm.className = css;

document.body.appendChild(elm);

return elm;}

function Tetris(c, t, x, y){

var c=c?c:"c";

this.divs = [create("div",c),create("div",c),create("div",c),create("div",c)];

this.reset = function(){

this.x = typeof x != 'undefined'?x:3;

this.y = typeof y != 'undefined'?y:0;

this.shape = t?t:shapes[Math.floor(Math.random()*(shapes.length-0.00001))].split(",");

this.show();

if(this.field&&this.field.check(this.shape,this.x,this.y,'v')=='D'){

over=true;

this.field.fixShape(this.shape,this.x,this.y);

alert('game over');}}

this.show = function(){

for(var i in this.divs){

this.divs[i].style.left = (this.shape[i*2]*1+this.x)*20+'px';

this.divs[i].style.top = (this.shape[i*2+1]*1+this.y)*20+'px';}}

this.field=null;

this.hMove = function(step){

var r = this.field.check(this.shape,this.x- -step,this.y,'h');

if(r!='N'&&r==0){

this.x-=-step;

this.show();}}

this.vMove = function(){

if(this.field.check(this.shape,this.x,this.y- -1,'v')=='N'){

this.y++;

this.show();}

else{

this.field.fixShape(this.shape,this.x,this.y);

this.field.findFull();

this.reset();}}

this.rotate = function(){

var s=this.shape;

var newShape=[3-s[1],s[0],3-s[3],s[2],3-s[5],s[4],3-s[7],s[6]];

var r = this.field.check(newShape,this.x,this.y,'h');

if(r=='D')return;

if(r==0){

this.shape=newShape;

this.show();}

else if(this.field.check(newShape,this.x-r,this.y,'h')==0){

this.x-=r;

this.shape=newShape;

this.show();}}

this.reset();}

function Field(w,h){

this.width = w?w:10;

this.height = h?h:20;

this.show = function(){

var f = create("div","f")

f.style.width=this.width*20+'px';

f.style.height=this.height*20+'px';}

this.findFull = function(){

for(var l=0;l

var s=0;

for(var i=0;i

s+=this[l*this.width+i]?1:0;}

if(s==this.width){

this.removeLine(l);}}}

this.removeLine = function(line){

for(var i=0;i

document.body.removeChild(this[line*this.width+i]);}

for(var l=line;l>0;l--){

for(var i=0;i

this[l*this.width- -i]=this[(l-1)*this.width- -i];

if(this[l*this.width- -i])this[l*this.width- -i].style.top = l*20+'px';}}}

this.check = function(shape, x, y, d){

var r1=0,r2='N';

for(var i=0;i<8;i+=2){

if(shape[i]- -x < 0 && shape[i]- -x

{r1 = shape[i]- -x;}

else if(shape[i]- -x>=this.width && shape[i]- -x>r1)

{r1 = shape[i]- -x;}

if(shape[i+1]- -y>=this.height || this[shape[i]- -x- -(shape[i+1]- -y)*this.width])

{r2='D'}}

if(d=='h'&&r2=='N')return r1>0?r1-this.width- -1:r1;

else return r2;}

this.fixShape = function(shape,x,y){

var d=new Tetris("d",shape,x,y);

d.show();

for(var i=0;i<8;i+=2){

this[shape[i]- -x- -(shape[i+1]- -y)*this.width]=d.divs[i/2];}}}

var f = new Field();

f.show();

var s = new Tetris();

s.field = f;

s.show();

window.setInterval("if(!over)s.vMove();",500);

document.onkeydown = function(e){

if(over)return;

var e = window.event ? window.event : e;

switch(e.keyCode){

case 38: //up

s.rotate();

break;

case 40: //down

s.vMove();

break;

case 37: //left

s.hMove(-1);

break;

case 39: //right

s.hMove(1);

break;}}

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