servlet,springmvc,ssm,springboot转发非转发总结
2020-10-17 22:05:10 183浏览 分类: Java
servlet----------------------------
转发
request.getRequestDispatcher("/singlelogservlet").forward(request, response);
重定向
response.sendRedirect("touinfo");
ajax
PrintWriter out = response.getWriter();
out.write("<script>");
out.write("alert('验证码有误')");
out.write("</script>");
out.flush();
out.close();
return;
springMvc------------------
重定向：return "redirect:/testb";
转发：return "forward:/testb";
转发
request.getRequestDispatcher("/singlelogservlet").forward(request, response);
重定向
response.sendRedirect("touinfo");
ajax
PrintWriter out = response.getWriter();
out.write("<script>");
out.write("alert('验证码有误')");
out.write("</script>");
out.flush();
out.close();
return;
springMvc------------------
重定向：return "redirect:/testb";
转发：return "forward:/testb";
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