cros 跨域模板

        /*跨域运行*/
		response.setHeader("Access-Control-Allow-Origin", "*");
		response.setContentType("application/json; charset=utf-8");
		/* 允许跨域的主机地址 */
		response.setHeader("Access-Control-Allow-Origin", "*");  
		/* 允许跨域的请求方法GET, POST, HEAD 等 */
		response.setHeader("Access-Control-Allow-Methods", "*");  
		/* 重新预检验跨域的缓存时间 (s) */
		response.setHeader("Access-Control-Max-Age", "3600");  
		/* 允许跨域的请求头 */
		response.setHeader("Access-Control-Allow-Headers", "*");  
		/* 是否携带cookie */
		response.setHeader("Access-Control-Allow-Credentials", "true");