摘要:
<!DOCTYPE html><html><head> <title>画橡皮筋矩形</title> <script type="text/javascript"> var ctx; var linew=10; var color="rgb(255,0,0)"; var isClick; var st 阅读全文
摘要:
<!DOCTYPE html><html><head> <title>橡皮筋</title> <script type="text/javascript"> var ctx; var linew=10; var color="rgb(255,0,0)"; var isClick; var mx=50 阅读全文