跳轉設置 編碼設置

response.sendRedirect("test.jsp"); // 外部跳
request.getRequestDispatcher("test.jsp").forward(request,response); // 內部跳

// 在post請求方式中可以集中處理亂碼
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=UTF-8");