哪位知道新浪的股票行情图表用什么开发的?
如题:
下面是图
http://finance.sina.com.cn/realstock/company/sh000001/nc.shtml
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使用的java
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GD库
每次打开网页,用已有的数据生成图片
具体函数不详
还有:我在想,不知道用ajax能不能实现动态增长的效果哦
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不一定是java,php绝对可以办到.建议你到http://www.aditus.nu/jpgraph/about.php看看有个专业的php写的图形库,
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http://finance.cn.yahoo.com/q?s=000001.ss
个人觉得 雅虎的比较nb...
是flash,每分钟后台生成一个,伪静态加进来而已...
这样服务器计算数据量会小很多,不用每个人访问都运算一次
浮动的东西用flash做的,客户端运行.很是nb!!
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估计不是每个人登陆计算一次....是每分钟计算一次,生成新图,覆盖旧图而已....
否则这么多人访问服务器cpu一百个核 也该爆了

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Methods to optimize PHP session performance include: 1. Delay session start, 2. Use database to store sessions, 3. Compress session data, 4. Manage session life cycle, and 5. Implement session sharing. These strategies can significantly improve the efficiency of applications in high concurrency environments.

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