摘要:
拖拽三部曲原理: 1、鼠标按下; 2、鼠标移动; 3、鼠标抬起。View Code <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <title>Drag一步一步理解拖拽</title> 阅读全文