方法1：给form表单加onsubmit事件，值为return false;
<form action="" method="post" onsubmit="return false">
<button type="submit" class="btn btn-primary">提交</button>
</form>
方法2：在FORM表单后添加一个iframe
<form action=\'\' method=\'post\' name=\'iframeForm\' target="iframeForm">
<button type="submit" class="btn btn-primary">提交</button>
</form>
<iframe id="iframeForm" name="iframeForm" style="display:none;"></iframe>