1 　　　　 request.setCharacterEncoding("utf-8"); 2         PrintWriter out = response.getWriter(); 3         // 调用servlet层去数据库查找是否有相同用户名 并返回到页面中的其他记录 4         String client_id = request.getParameter("client_id"); 5         ClientServices clientServices = new ClientServices(); 6         try { 7             Thread.sleep(2000); 8         } catch (InterruptedException e) { 9             e.printStackTrace();10         }11         Client client = clientServices.findClientById(client_id);12         if (client != null) {13             out.print(URLEncoder.encode(client.getClient_name(), "utf-8"));14         } else {15             out.print("false");16         }17         out.flush();18         out.close();

 1 $(document).ready(function() { 2         $("#client_id").blur(function() { 3             $.ajax({ 4                 type : ‘POST‘, 5                 url : ‘servlet/validServlet?client_id=‘ + $(this).val(), 6                 data : ‘client_id=‘ + $("#client_id").val(), 7                 success : function(msg) { 8                     if (msg == ‘false‘) { 9                         alert("没有此人");10                     } else {11                         //utf-8解码解决中文乱码12                         $("#clientInfo").html(decodeURI(msg));13                         $("#clientInfo").attr("value", decodeURI(msg));14                     }15                 }16             });17         });18     });