摘要: 参考代码: var drag1 = document.getElementById(‘drag1’); drag1.onmousedown = function(ev){ var x = ev.clientX - drag1.offsetLeft; var y = ev.clientY - drag 阅读全文
posted @ 2018-03-27 16:19 老北京(LBJ) 阅读(874) 评论(0) 推荐(0)