$.ajax防止表单重复提交

为了防止表单重复提交，可以对$.ajax进行封装。通过使用$.ajaxPrefilter函数，可以在发送ajax请求之前先进行一些处理。这样可以避免用户重复提交表单的情况。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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