某年某月,蒟蒻在做元旦的一个项目时,发现了这样的问题:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>PVZ</title>
</head>
<body>
<!-- <img src="images/background.png" id="background"> -->
<div id="stage" style="margin: 0 auto; width: 1400px; height: 600px; text-align: center; vertical-align: middle" >
<canvas id="canvas" style="border:0px solid red;" width="1400" height="600">
</canvas>
</div>
<script>
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
var background=new Image();
background.src="images/background.png";
ctx.drawImage(background,(0,0));
var zombieAction=[];
var t1=0,t2=0;
var enemyQueue=[];
var bulletQueue=[];
var isActionTime=0;
setInterval(function(){
isActionTime++;
isShotTime++;
if(isActionTime>=5000){
var x=130+144*pasInt(Math.random()*5)+1;
var y=1400;
isActionTime=0;
}
},10);
function blaster(x,y){
}
</script>
</body>
</html>
这样的一份代码,但是background用drawImage画不出来qwq,在images下有图片,按住Ctrl点击路径也能打开 求解释qwq