例子一 请求别人主机上提供的JSONP服务(远程JSON服务):
<html> <script type="text/javascript" src="../js/jquery/jQuery.js"></script> <script type="text/javascript"/> function crossDomain(){ var url = "http://services.digg.com/stories/top?appkey=http%3A%2F%2Fmashup.com&type=javascript&callback=?"; jQuery.getJSON(url,function(data){ $("#result").html(data.count); }); } </script> <body > <div id="result"></div> <div align="center"><input type="button" name="print" onClick="crossDomain();" value="跨域请求"></div> </body> </html>
参考资料:
http://www.oschina.net/question/12_7702
http://www.iteye.com/topic/169765
http://wenku.baidu.com/view/e97c8eb465ce05087632130d.html
例子二:json跨域请求,包括客户端和服务器端
客户端:
$(document).ready(function(){ var url="http://192.168.10.33:8415/item_count.jsp?callback=";
jQuery.getJSON(url,function(data){ var itemNumber=data[0].count; $("#itemNumber").html(itemNumber); }); })
服务器端:item_count.jsp
<%@ page import="java.util" language="java" contentType="text/html;charset=GBK" %><% request.setCharacterEncoding("GBK"); String callback=request.getParameter("callback"); int itemNumber=10;
String countStr="[{count:"+itemNumber+"},{count:"+feeNumber+"},{count:"+annualNumber+"},{count:"+agentNumber+"},{count:"+entNumber+"}]"; %><%=callback%>(<%=countStr%>) (编辑:李大同)
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