<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>index</title>
<style>
*{
font-family: 微软雅黑;
}
</style>
</head>
<body>
<form action="go.php">
<p>用户名:</p>
<p><input type="text" name='username'></p>
<p><input type="submit" value="Ok"></p>
</form>
<hr>
<form action="go2.php">
<p>用户名:</p>
<p><input type="text" name='username'></p>
<p><input type="submit" value="Ok"></p>
</form>
<button id='btn1'>表单1</button>
<button id='btn2'>表单2</button>
</body>
<script>
btn1=document.getElementById('btn1');
btn2=document.getElementById('btn2');
objs=document.forms;
btn1.onclick=function(){
objs[0].submit();
}
btn2.onclick=function(){
objs[1].submit();
}
</script>
</html>