复制代码 代码如下:
<style>
BODY{FONT-SIZE:9pt;}
table{FONT-SIZE:9pt;}
</style>

<inputtype=checkboxid=checkallonclick=check_all()><labelfor=checkall>全部选择</label>　　　　
线程数：<inputtype=textid=the_threadvalue=10size=2maxlength=2style="height:15px;font-size:12px;padding:0px">
<br>
<tableborder=0>
<tr><tdstyle="width:100px;over-flow:hidden"><spanid=show></span></td>
<tdstyle="width:400px;">
<tableid=barstyle="width:90%;height:10px;border:1pxblacksolid;display:none"><tr>
<tdid=bar1bgcolor=skybluestyle="width:0%"></td>
<tdid=bar2style="width:100%"></td>
</tr></table>
</td></tr>
<tr><tdcolspan=2><spanid=result></span></td></tr>
</table>
<scriptlanguage="JavaScript">

vartotal=505;
varthread_num;
varpre_thread;
varthread=newArray();
varcompleted=0;
varstart_time=null;

for(i=0;i<total;i++)document.write("<inputtype=checkboxid=cbox>");

functioninit_para(){
thread_num=parseInt(the_thread.value);
if(isNaN(thread_num))thread_num=10;
pre_thread=Math.floor(total/thread_num);
result.innerText="";
bar1.style.width="0%";
bar2.style.width="100%";
bar.style.display="";
}

functioncheck_all(){
checkall.disabled=true;
init_para();
for(vari=0;i<thread_num;i++){
thread[i]=[setInterval("thread["+i+"][1]<pre_thread?check_unit("+i+"*pre_thread+thread["+i+"][1]++):clearInterval(thread["+i+"][0])",1),0];
}
thread[i]=[setInterval("thread["+i+"][1]<total%thread_num?check_unit("+i+"*pre_thread+thread["+i+"][1]++):clearInterval(thread["+i+"][0])",1),0];
}

functioncheck_unit(num){
if(completed==0)start_time=newDate;
cbox[num].checked=checkall.checked;
completed++;
varcur_rate=Math.round(completed*100/total);
show.innerText=completed+"/"+total+":"+cur_rate+"%";
bar1.style.width=cur_rate+"%";
bar2.style.width=(100-cur_rate)+"%";
if(completed==total){
completed=0
checkall.disabled=false;
result.innerText="("+total+"单元/"+thread_num+"线程，总共耗时："+((newDate)-start_time)+"ms)";
}
}
</script>

下面是运行效果
BODY {FONT-SIZE: 9pt;} table {FONT-SIZE: 9pt;} 全部选择　　　　 线程数： [Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]