摘要：View Code 1 创建与删除： 2 //创建文件管理器 3 NSFileManager*fileManager= [NSFileManager defaultManager]; 4 //获取路径 //参数NSDocumentDirectory要获取那种路径 NSArray*paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString*documentsDirectory= [paths objectAtIndex:0];/... 阅读全文

摘要：1.UIAlertViewDelegate- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{ if(alertView == yourAlertView && buttonIndex == yourWantButtonIndex){ [yourWantTextField resignFirstResponder]; }}2.UITextFieldDelegate- (BOOL)textFieldShouldReturn:(UI... 阅读全文