网(LieHuo.Net)讯 下面介绍一下它的用法.
复制代码 |
如果连接数据库不成功的,前面的“@”就能把错误显示给抑制住,也就是不会显示错误,然后再抛出异常,显示自己定义的异常处理,添加这个只是为了让浏览者不看到,不友好的页面,并不能抑制住错误,只能抑制显示错误!@ 用在你觉得以后运行有可能会出现错误的地方 , @后面要来个空格!最好少用,好像增加系统开销.。
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波比源码 » php编程技术:at(@)符号的简单介绍
波比源码 » php编程技术:at(@)符号的简单介绍
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