简单的很～
html页面
<span <</span><span a </span><span href </span><span ="你操作php删除文件的路径"</span><span onclick</span><span =" {if(confirm('你确定要删除<?php echo $v['username']?>吗？')){rentrn true;}return false;}"></span><span 删除</a</span><span ></span>php文件
<span if</span>(<span $_GET</span>['do']==<span del){
</span><span $id</span> = <span $_GET</span>['id'<span ];
</span><span $sql</span> = "delect from 数据库 where id = ".<span $id</span><span ;
</span><span $dsql</span>->ExecuteNoneQuery(<span $sql</span><span );
</span><span echo</span> "<script> alert('删除成功！');window.location.href='student_voice.php';</script>"<span ;
}</span>
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