Cookie的使用，自動填充使用者名稱和密碼
阿新 • • 發佈：2019-01-24
test1.jsp
<body> <% String name = ""; String word = ""; Cookie[] cc = request.getCookies(); if(cc == null || cc.length == 0){ }else{ for( Cookie c :cc){ if(c.getName().equals("username")){ name = c.getValue(); } if(c.getName().equals("password")){ word = c.getValue(); } } } %> <form action="cookie/test2.jsp"> 使用者名稱： <input type="text" name="username" value="<%=name %>"/><br/> 密碼：<input type="password" name="password" value="<%=word %>"/><br/> <input type="submit" value="登陸"/> </form> </body>
test2.jsp
<body> <% String username = request.getParameter("username"); String password = request.getParameter("password"); if(username.equals("zhangsan")&& password.equals("123456")){ Cookie c1 = new Cookie("username",username); Cookie c2 = new Cookie("password",password); c1.setMaxAge(60*60); c2.setMaxAge(60*60); response.addCookie(c1); response.addCookie(c2); out.print("登陸成功"); }else{ out.print("登陸失敗"); } %> </body>