使用jquery实现js跨域

来源：互联网发布：单身比例知乎编辑：程序博客网时间：2024/06/10 15:49

@Controllerpublic class ApiController {@Path("/api/v1/user/get_user_info")public void processUserInfo(HttpServletRequest req, HttpServletResponse resp)throws Exception{resp.setContentType("application/json");resp.setCharacterEncoding("UTF-8");String callback = req.getParameter("callback");PrintWriter out = resp.getWriter();if(callback == null){out.print(getUserInfo());}else{out.print(callback + "("+getUserInfo()+");");}out.close();}private String getUserInfo(){Map<String, String> user = new HashMap<>();user.put("id", "1");user.put("phone", "10086");user.put("name", "CMCC");user.put("web_site", "http://www.10086.cn");Gson g = new Gson();return g.toJson(user);}}

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE HTML><html lang="zh-CN"><head><meta charset="utf-8" /><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>jsky</title><script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script></head><body><h1>jsky</h1><div style="font-size:22px;color:red;" id="box"></div></body><script type="text/javascript">(function ($, win, doc) {$.ajax({type: 'GET',jsonp: 'callback',    url: 'http://java.hqit.com/example/api/v1/user/get_user_info.do',    data: 'version='+new Date().getTime(),    success: function(resp){    var html = "";    html += 'id='+resp.id;    html += '<br />phone='+resp.phone;    html += '<br />name='+resp.name;    html += '<br />web_site='+resp.web_site;    $("#box").html(html);    },    dataType: 'jsonp'});})(jQuery, window, document);</script></html>

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