package zdh.cm.response;/* * 案例【content-type】--服务器发送给浏览器的数据类型和数据编码格式 */import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class ResponseDemo4 extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doPost(request, response);}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {//设置content-type响应//response.setHeader("Content-Type", "text/html; charset=utf-8");//或者写成//response.setContentType("text/html; charset=utf-8");//设置数据类型,以告诉浏览器以什么样的格式来解析数据内容//注意:一定要写服务器支持的数据类型,否则会报错//response.setContentType("text/html");//response.setContentType("image/jpg");//设置数据编码格式/*有两个作用1,设置数据的编码2,告诉浏览器自动适应的数据编码*/response.setContentType("text/html;charset=utf-8");response.setCharacterEncoding("utf-8");response.getWriter().write("<html><head><title>this is tille</title></head><body>主题</body></html>");}}