摘要:
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style> *{ margin: 0; padding: 0; } ul,li{ list-style: none } #di 阅读全文
摘要:
<! css部分 > #div1{ width: 200px; height: 300px; position: absolute; //要实现拖拽需要把div设置为拖动层 background: red; } #div2{ width: 200px; height: 300px; position 阅读全文