RPC通信之HTTPService（Java-flex）

<!-- 一、 Flex 封装/发送、接收/解析 Json -->
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">
<fx:Style source="Regist.css"/>

<fx:Script>
<![CDATA[
import mx.controls.Alert;
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
[bindable]
var id1:String = "007";
[bindable]
var email1:String = "@";
[bindable]
var date1:String = "2000-1-1";
protected function button1_clickHandler(event:MouseEvent):void
{
/**
* 1.将参数封装成Object对象  2.将Object对象转换成json串  3.将json赋值给参数   4.传递参数
*/
var user:Object = {};
user.id = num.text;
user.email = email.text;
user.date = date.text;
var jsonStr:String = JSON.stringify(user);
var params:URLVariables = new URLVariables();
params.user = jsonStr;
http.send(params);
}
/**
* 获取后端传过来的json对象并进行解析
*/
protected function http_resultHandler(event:ResultEvent):void
{
var user:Object = JSON.parse(event.result.toString());
java_id.text = user.id;
java_email.text = user.email;
java_date.text = user.date;
}

protected function http_faultHandler(event:FaultEvent):void
{
Alert.show("error");
}

]]>
</fx:Script>

<fx:Declarations>
<s:HTTPService  id="http"
method="POST"
useProxy="false"
showBusyCursor="true"
resultFormat="e4x"
url="http://localhost:8080/test/RegistAction"
result="http_resultHandler(event)"
fault="http_faultHandler(event)"
/>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>
<s:Label x="152" y="71" height="22" text="员工编号"/>
<s:Label x="152" y="108" height="22" text="邮        箱"/>
<s:TextInput id="num" text="{id1}" x="220" y="71"/>
<s:TextInput id="email" text="{email1}" x="220" y="108"/>
<s:Label x="151" y="145" height="22" text="注册日期"/>
<s:TextInput id="date" text="{date1}" x="219" y="145"/>
<s:Button x="151" y="185" width="236" height="27" label="注        册" chromeColor="#1747F8"
click="button1_clickHandler(event)"/>
<s:TextInput id="java_id" x="515" y="69"/>
<s:TextInput id="java_date" x="515" y="150"/>
<s:TextInput id="java_email" x="515" y="108"/>
<s:Label x="423" y="78" text="员工编号："/>
<s:Label x="427" y="160" text="注册日期："/>
<s:Label x="427" y="115" text="邮       箱："/>
<s:Label x="476" y="193" width="161" height="34" text="后端传输数据展示区"/>
</s:Application>

<!-- 二、 Java 封装/发送、接收/解析 Json -->
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
/**
* 1.从flex前端接收json串  2.将json串 转换为jsonObject 3.将jsonObject转换为JavaBean
*/
String jsonStr = request.getParameter("user");
JSONObject jo = JSONObject.fromObject(jsonStr);
UserEntry user = new UserEntry();
user.setId((String) jo.get("id"));
user.setEmail((String) jo.get("email"));
String dateStr = (String) jo.get("date");
Date dateObj = Date.valueOf(dateStr);
user.setDate(dateObj);
/**
* 1.将use
4000
r对象封装成json对象  2.json对象 将传递给Flex
*/
JSONObject resultJO = new JSONObject();
dateStr = user.getDate().toString();
resultJO.put("id", user.getId());
resultJO.put("email", user.getEmail());
resultJO.put("date",dateStr);
PrintWriter out = response.getWriter();
out.print(resultJO);
}