关于php做游戏索引问题
用PHP做游戏索引遇到了以下问题。
游戏可以分为以下几个类型
按地域：大陆 港台 欧美 韩日
按画面：3D 2.5D 2D
按类型：角色扮演 FPS射击 音乐类 横板战斗
想实现的效果是：
当选择了，‘港台’后，已选条件为：港台。当前URL为www.aaa.com/game.php?id=3&area=g
继续选择，选‘3D’后，已选条件为：港台+3D 当前URL为www.aaa.com/game.php?id=3&area=g&pic=3d
继续选择，再选‘角色扮演’ 这时候已选条件为：港台+3D+角色扮演 当前URL为www.aaa.com/game.php?id=3&area=g&pic=3d&type=role
请问这效果要怎样实现?当前URL要怎样才能实现像上面所说那样。
------解决方案--------------------
看你用js，或者php来做了
php：
在生成html时，在选项的url为：$_SERVER[HOST] ..... ? . implode($_GET, array(当前选项的key=>值))
js时：
同理的，只不过需要用js处理url
------解决方案--------------------
简单点说：当前那个选项的key=value加入到现在的url后面
只是有一个技巧，key一样的时候，需要做覆盖，而不是直接加在后面
------解决方案--------------------
选择点一下，提交数据到服务器，处理返回转到指定的url。和58同城处理类似。
主要是组url字符串。请求，响应为指定的url。 你这里如果都选了。要经过3次交互
用js改变不了浏览器地址。
------解决方案--------------------
用parse_str(数组方式)和http_build_query()
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