点击提交后表单的submit按钮会出现“正在提交，请稍后”……
好吧，看html代码中 onclick事件：点击表单提交后将其设置为disabled
<!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>JS防止表单重复提交数据</title> </head> <body> <form method="post" name="register" action="#"> name:<input name="name" type="text" id="text" /><br /> name1:<input name="name1" type="text" id="text" /> <input name="cont" value="提交" type="button" onClick="document. register.cont.value='正在提交,请稍后';document.register.cont. disabled=true;document.the_form.submit();"> </form> </body> </html>