location /mySystem/ {
    #设置被代理服务器的端口或套接字，以及URL
    proxy_pass  http://192.168.1.56:8081;
    proxy_redirect off;

    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto https;
    #以上三行，目的是将代理服务器收到的用户的信息传到真实服务器上
    proxy_set_header REMOTE-HOST $remote_addr;

    client_max_body_size 50m;
    client_body_buffer_size 256k;
    proxy_connect_timeout 15s;#nginx与upstream server的连接超时时间
    proxy_send_timeout 30s;#nginx发送数据至upstream server超时, 默认60s, 如果连续的60s内没有发送1个字节, 连接关闭
    proxy_read_timeout 60s;#nginx接收upstream server数据超时, 默认60s, 如果连续的60s内没有收到1个字节, 连接关闭
	#以下这些参数都是针对每一个http request ，不是全局的。
    proxy_buffer_size 256k;
    proxy_buffers 4 256k;
    proxy_busy_buffers_size 256k;
    proxy_temp_file_write_size 256k;
    proxy_next_upstream error timeout invalid_header http_500 http_503 http_404;
    proxy_max_temp_file_size 128m;
}  

<dependency>
	<groupId>org.apache.httpcomponents</groupId>
	<artifactId>httpcore-nio</artifactId>
</dependency>
<dependency>
	<groupId>org.apache.httpcomponents</groupId>
	<artifactId>httpasyncclient</artifactId>
</dependency>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
	http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

var todayStart = new Date(new Date().toLocaleDateString());

var oneday = 1000 * 60 * 60 * 24;
var todayEnd = new Date(todayStart.getTime() + oneday - 1);

var monthStart = new Date((new Date(new Date().setDate(1)).toLocaleDateString()));

<mirror>
    <id>nexus-aliyun</id>
    <mirrorOf>central</mirrorOf>       
    <name>Nexus aliyun</name>
    <url>http://maven.aliyun.com/nexus/content/groups/public</url>
</mirror> 

    <label>用户名</label><input id="username" name="username" value="${u.username}">
	<label>密码</label><input id="password" name="password" value="${u.password}">
	<span id="error"></span>
	<br><br><br><br><br>
	<input type="button" value="登录" onclick="return loginyz(this)"/> 

$("#ddd").click(function(){
	$.ajax({
		type:'post',
		url:"<%=basePath%>messageServlet?method=jsonTest",
		data:{id:2},
		success:function(data){
			alert(data);					
		},
		error : function() {
	  // view("异常！");
	  alert("异常！");
	 }
	});
});  

<table class="common">
      <tr>
    		<td>
    			工号
    		</td>
    		<td>
    			 <input type="text" id="number" name="number" />
    		</td>
    		<td>
	    		 <button  onclick="add($(this));">add</button>&nbsp;|&nbsp;  
		       <button onclick="delete($(this));">delete</button>
    		</td>
	</tr>
	</table>

testJson={
	"testA":{
		"a1" : "20", 
		"a2" : "30", 
	},
	"testB":{
		"b1" : "20", 
		"b2" : "30", 
	},
} 

img{
	max-width:100%;
	max-height:100%;
}

<form action="fileupload" method="post" enctype="multipart/form-data" name="form1">  
  	  <input type="file" name="file">  
	    <input type="file" name="file">
   	   <input type="file" name="file">
   	   <input type="submit" name="Submit" value="upload">  
</form>