当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 多线程的全选复选框

Javascript
[原创]javascript 定时广告显示(两个时间段)
jquery ui dialog里调用datepicker的问题
ext 代码生成器
javascript 局部页面打印实现代码
Javascript 继承实现例子
Javascript 继承机制的实现
Javascript 继承机制实例
Javascript 作用域使用说明
Javascript Math对象
Javascript Global对象
什么是JavaScript
img标签中onerror用法
使用JQuery和s3captche实现一个水果名字的验证
JavaScript写的一个DIV 弹出网页对话框
IE8 下的Js错误HTML Parsing Error...
jQuery ui 1.7更新小结
javascript 多级checkbox选择效果
google地图的路线实现代码
Javascript 访问样式表实现代码
JS 控制CSS样式表

Javascript 中的 多线程的全选复选框


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-10   浏览: 410 ::
收藏到网摘: n/a

复制代码 代码如下:

<style>
BODY {FONT-SIZE: 9pt;}
table {FONT-SIZE: 9pt;}
</style>
<input type=checkbox id=checkall onclick=check_all()><label for=checkall>全部选择</label>    
线程数:<input type=text id=the_thread value=10 size=2 maxlength=2 style="height:15px; font-size:12px;padding:0px">
<br>
<table border=0>
<tr><td style="width:100px;over-flow:hidden"><span id=show></span></td>
<td style="width:400px;">
<table id=bar style="width:90%;height:10px;border:1px black solid;display:none"><tr>
<td id=bar1 bgcolor=skyblue style="width:0%"></td>
<td id=bar2 style="width:100%"></td>
</tr></table>
</td></tr>
<tr><td colspan=2><span id=result></span></td></tr>
</table>
<script language="JavaScript">
/*
This following code are designed and writen by Windy_sk <[email protected]>
You can use it freely, but u must held all the copyright items!
*/
var total = 505;
var thread_num;
var pre_thread;
var thread = new Array();
var completed = 0;
var start_time = null;
for(i=0;i<total;i++)document.write("<input type=checkbox id=cbox>");
function init_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 = "";
}
function check_all(){
checkall.disabled = true;
init_para();
for(var i=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];
}
function check_unit(num){
if(completed==0)start_time=new Date;
cbox[num].checked=checkall.checked;
completed++;
var cur_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:"+((new Date)-start_time)+" ms)";
}
}
</script>

下面是运行效果
点击运行可以看到效果:
[Ctrl+A 全选 提示:你可先修改部分代码,再按运行]