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Http Cookie 探索

作者：互联网

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参考：
http://blog.csdn.net/lijing198997/article/details/9378047
http://stackoverflow.com/questions/1062963/how-do-browser-cookie-domains-work
Domain and Path
作用：定义Cookie的生效作用域，只有当域名和路径同时满足的时候，浏览器才会将Cookie发送给Server。如果没有设置Domain和Path的话，他们会被默认为当前请求页面对应值。

Cookie with Domain=.example.com will be available for www.example.com
Cookie with Domain=.example.com will be available for example.com
Cookie with Domain=example.com will be converted to .example.com and thus will also be available for www.example.com
Cookie with Domain=example.com will not be available for anotherexample.com
跨域的请求是无法设置cookie的。 （）

Example：

Tomcat Java Web App通过服务端来设置浏览器cookie

服务端在请求的返回中向客户端的浏览器添加cookie。

示例的服务的context path 为/bee

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@RequestMapping(value = "/cookietest", headers = "Accept=image/**", method = RequestMethod.GET)
public ResponseEntity<?> cookieTest(final HttpServletRequest request,HttpServletResponse response) {
	Cookie cookie1 = new Cookie("cookie-1",UUID.randomUUID().toString());
	cookie1.setDomain("diaoyouyun.com");
	cookie1.setPath("/");
	response.addCookie(cookie1);
				
	Cookie cookie2 = new Cookie("cookie2","Cookie2");
	cookie2.setDomain("www.diaoyouyun.com");
	cookie2.setPath("/bee/collect");
	response.addCookie(cookie2);
	
	Cookie cookie3 = new Cookie("cookie3","cookie3");
	cookie3.setDomain("www.example.com");
	response.addCookie(cookie3);
	
	Cookie cookie4 = new Cookie("cookie4","cookie4");
	response.addCookie(cookie4);
   	return ok();
}

测试一

请求 http://diaoyouyun.com/bee/cookietest 如下：
cookietest

那些cookie会被接受呢？访问http://diaoyouyun.com/bee 从下图可以看出
Cookies_http://diao <a href=大专栏

标签：cookie3,cookie2,Http,探索,cookie,Cookie,com,example
来源： https://www.cnblogs.com/liuzhongrong/p/12348478.html