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这是一款简单的HTML5 Canvas js仿百度网盘扫描文件过程加载动画效果,网盘文件扫描百分比加载动画特效。
var w=document.body.clientWidth;
var h=document.body.clientHeight;
var canvas=document.createElement('canvas');
canvas.width=w;
canvas.height=h;
document.body.appendChild(canvas);
canvas.style.backgroundColor="#0073B3";
var context=canvas.getContext('2d');
var Rot=0;
var R_init=0;
var timer=null;
var targent_R=Math.round(w/10);
setInterval( function(){
R_init=R_init 1;
if(R_init<targent_R 1)
{
Drawcilrcle(context,R_init);
if(R_init===targent_R){
setTimeout(function(){
clearInterval(timer);
timer= setInterval( function(){
Rot=Rot 1;
if(Rot<180)
{
Drawcilrcle(context,targent_R);
Drawmove(context,targent_R,Rot);
Drawmove_bottom(context,targent_R,Rot);
Drawtext(context,Rot)
}
else if(Rot===180){
Drawcilrcle(context,targent_R);
Drawfinsh(context,targent_R,360);
Drawtext(context,Rot);
}
},10);
},50);
}
}
},5);