jQuery实现的手动拖动控制进度条效果示例【测试可用】

2019-11-19 14:00:45

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本文实例讲述了jQuery实现的手动拖动控制进度条效果。分享给大家供大家参考，具体如下：

这是一个手动控制进度条的小程序，分享给大家：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>www.VeVB.COm jQuery手动拖动进度条</title><style type="text/css"> #box{position: relative; width: 200px; height: 50px; border: 1px solid #eee; margin: 50px auto 0;} #bg{height: 10px; margin-top: 19px; border: 1px solid #ddd; border-radius: 5px; overflow: hidden;} #bgcolor{background: #5889B2; width: 0; height: 10px; border-radius: 5px;} #bt{width: 34px; height: 34px;background-color: red; border-radius: 17px; overflow: hidden; position: absolute; left: 0px; margin-left: -17px; top: 8px; cursor: pointer;} #text{width: 200px; margin: 0 auto; font-size: 16px; line-height: 2em;}</style><script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script></head><body> <div id="box"> <div id="bg">  <div id="bgcolor"></div> </div> <div id="bt"></div> </div> <div id="text"></div> <script type="text/javascript"> (function($){ var $box = $('#box'); var $bg = $('#bg'); var $bgcolor = $('#bgcolor'); var $btn = $('#bt'); var $text = $('#text'); var statu = false; var ox = 0; var lx = 0; var left = 0; var bgleft = 0;  $btn.mousedown(function(e){  lx = $btn.offset().left;  ox = e.pageX - left;  statu = true;  });  $(document).mouseup(function(){  statu = false;  });  $box.mousemove(function(e){  if(statu){   left = e.pageX - ox;   if(left < 0){   left = 0;   }   if(left > 200){   left = 200;   }   $btn.css('left',left);   $bgcolor.width(left);   $text.html('位置:' + parseInt(left/2) + '%');  }  });  $bg.click(function(e){  if(!statu){   bgleft = $bg.offset().left;   left = e.pageX - bgleft;   if(left < 0){   left = 0;   }   if(left > 200){   left = 200;   }   $btn.css('left',left);   $bgcolor.stop().animate({width:left},200);   $text.html('位置:' + parseInt(left/2) + '%');  }  }); })(jQuery); </script></div></body></html>

运行效果：