httpServletResponse解决乱码

方法// 解决乱码的方式
// 方法一:

	response.setCharacterEncoding("utf-8");
	response.setHeader("Content-Type", "text/html;charset=gb2312");
	PrintWriter out = response.getWriter();
	out.print("中国");

// 方法二:

	response.setContentType("text/html;charset=gb2312");
	PrintWriter out = response.getWriter();
	out.print("中国");