输出Jsonp 实现跨域Ajax调用.

examples/showcase/src/main/java/org/springside/examples/showcase/web/MashupServerController.java

@@ -3,25 +3,31 @@ package org.springside.examples.showcase.web;
 import java.util.Collections;
 import java.util.Map;
 
+import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springside.modules.mapper.JsonMapper;
 
 /**
  * JSONP Mashup 服务端.
  * 
  * @author calvin
  */
-@RequestMapping(value = "/mashup")
+@Controller
 public class MashupServerController {
 
-	public String execute() {
-		//获取JQuery客户端动态生成的callback函数名.
-		//String callbackName = Struts2Utils.getParameter("callback");
+	private JsonMapper mapper = JsonMapper.buildNormalMapper();
+
+	@RequestMapping("/web/mashup")
+	@ResponseBody
+	public String execute(@RequestParam("callback") String callbackName) {
 
 		//设置需要被格式化为JSON字符串的内容.
 		Map<String, String> map = Collections.singletonMap("html", "<p>Hello World!</p>");
 
 		//渲染返回结果.
 		//	Struts2Utils.renderJsonp(callbackName, map);
-		return null;
+		return mapper.toJsonP(callbackName, map);
 	}
 }

examples/showcase/src/main/webapp/WEB-INF/views/web/index.jsp

@@ -22,7 +22,7 @@
 			    3. CacheControlHeaderFilter为静态内容添加缓存控制 Header<br/>
 			    4. YUI Compressor 压缩js/css<br/>
 			</li>
-			<li><a href="${ctx}/web/mashup-client.action">跨域名Mashup演示</a> 演示基于JSONP Mashup 跨域名网站的内容.</li>
+			<li><a href="${ctx}/story/web/mashup-client">跨域名Mashup演示</a> 演示基于JSONP Mashup 跨域名网站的内容.</li>
 		</ul>
 		
 		<h3>用户故事：</h3>

examples/showcase/src/main/webapp/WEB-INF/views/web/mashup-client.jsp

@@ -10,7 +10,7 @@
 
 		//使用JQuery.getJSON(url?callback=?)方式跨域名访问内容
 		function fetchMashupContent() {
-			$.getJSON(remoteUrl + "/web/mashup/mashup-server.action?callback=?", function(data) {
+			$.getJSON(remoteUrl + "/web/mashup?callback=?", function(data) {
 				$('#mashupContent').html(data.html);
 				$('#mashupContent').show();
 			});