servlet中调用js显示成乱码问题

Question

response.getWriter().print("<script type='text/javascript' language='JavaScript' charset='UTF-8'>alert('请选择正确的图片格式的图片');window.location.href='NewsServlet?action=uploadPictureBefore';</script>");这句代码执行的时候那些中文出现乱码!求解决

Answer 1

上面的改成charset="GBK" 试试

Answer 2

<script>
alert(decodeURIComponent("%E8%AF%B7%E9%80%89%E6%8B%A9%E6%AD%A3%E7%A1%AE%E7%9A%84%E5%9B%BE%E7%89%87%E6%A0%BC%E5%BC%8F%E7%9A%84%E5%9B%BE%E7%89%87"));
</script>

Answer 3

String str=new String("请选择正确的图片格式的图片".getBytes("UTF-8"), "ISO-8859-1");
response.getWriter().print("<script type='text/javascript' language='JavaScript' charset='UTF-8'>alert('"+str+"');window.location.href='NewsServlet?action=uploadPictureBefore';</script>");