本文实例讲述了jQuery实现的简单对话框拖动功能。分享给大家供大家参考,具体如下:
<!DOCTYPE html> <html> <head> <meta charset=\"utf-8\"> <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge,chrome=1\"> <title>www.freexyz.cn jquery 拖动</title> <meta name=\"description\" content=\"\"> <meta name=\"keywords\" content=\"\"> <link href=\"\" rel=\" rel=\"external nofollow\" stylesheet\"> <style> *{margin: 0;padding: 0;box-sizing: border-box;-moz-user-select:none;} body {font: 12px/16px bold \'microsoft yahei,微软雅黑\';} .dragContainer { width: 382px; height: 395px; position: absolute; top: 50%; left: 50%; border: 1px solid red; margin-left: -191px; margin-top: -197.5px; } .dragContainer .dragtitle { width: 100%; height: 35px; border-bottom: 1px solid red; text-align: center; line-height: 35px; } .dragContainer .dragtitle:hover { cursor: move; } .dragContainer .content { width: 100%; height: 360px; } p.buttonGroup { width: 100%; text-align: center; position: absolute; bottom: 0; left: 0; right: 0; padding: 5px; border-top: 1px solid red; } p.buttonGroup input { padding: 5px 10px; color: white; } p.buttonGroup input:hover { cursor: pointer; cursor: hand; } p.buttonGroup input:first-child { margin-left: 25px; background: blue; } p.buttonGroup input.btn2 { margin-left: 15px; background: red; } </style> </head> <body> <div class=\"dragContainer\" id=\"drag\" style=\"\'position:absolute;\" > <p class=\"dragtitle\">标题栏</p> <div class=\"content\"></div> <p class=\"buttonGroup\"><input type=\"button\" value=\"确定\"><input type=\"button\" value=\"取消\" class=\"btn2\"></p> </div> <script src=\"http://cdn.bootcss.com/jquery/2.1.0/jquery.js\"></script> <script type=\"text/javascript\"> var mydrag={ mousePoint: {x:0,y:0}, //初始化坐标 drag: function(){ var that=this; //保存当前对象即(mydrag),如果不保存,在mousedown()里访问不了mydrag这个对象 var targetid=$(\".dragtitle\"); targetid.mousedown(function(event){ var e=event; var offsetLeft=targetid.offset().left; //当前div的左偏移距离 var offsetTop=targetid.offset().top; //当前div的顶部偏移距离 that.mousePoint.x=e.clientX-offsetLeft;//计算鼠标点击时离它自己div的横向距离 that.mousePoint.y=e.clientY-offsetTop; //计算鼠标点击时离它自己div的纵向距离 $(document).bind(\'mousemove\',move); e.stopPropagation(); }); function move(event){ var e =event; var Left=e.clientX-that.mousePoint.x; //移动后,重新计算左偏移和顶部偏移距离 var Top=e.clientY-that.mousePoint.y; $(\"#drag\").css({\'top\':Top,\'left\':Left,\'margin\':0}); $(document).bind(\'mouseup\',end); e.stopPropagation(); }; function end(event){ var e = event; $(document).unbind(\'mousemove\', move); $(document).unbind(\'mouseup\',end); e.stopPropagation(); }; } } mydrag.drag(); </script> </body> </html>
使用在线HTML/CSS/JavaScript代码运行工具 http://tools.freexyz.cn/code/HtmlJsRun测试,运行效果如下:
更多关于jQuery相关内容感兴趣的读者可查看本站专题:《jQuery拖拽特效与技巧总结》、《jQuery常用插件及用法总结》、《jquery中Ajax用法总结》、《jQuery表格(table)操作技巧汇总》、《jQuery扩展技巧总结》、《jQuery常见经典特效汇总》、《jQuery动画与特效用法总结》及《jquery选择器用法总结》
希望本文所述对大家jQuery程序设计有所帮助。
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