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本文转自http://blog.csdn.net/toddmi/article/details/8204102 [html] view plaincopy = (NSCachesDirectory, NSUserDomainMask, YES); = [cachePaths objectAtInde 阅读全文
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转自:http://blog.csdn.net/lwq421336220/article/details/16982857 - (BOOL) connectedToNetwork { //创建零地址,0.0.0.0的地址表示查询本机的网络连接状态 structsockaddr_in zeroAddr 阅读全文
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//一、NSString //1、创建常量字符串。NSString *astring = @"This is a String!"; //2、创建空字符串,给予赋值。 NSString *astring = [[NSString alloc] init]; astring = @"This is a 阅读全文