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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // 读取Documents目录代码 NSArray *pathsDocume 阅读全文
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// 一般加密 +(NSString *)md5String:(NSString *)str { const char *password=[str UTF8String]; unsigned char mdc[16]; CC_MD5(password,(CC_LONG)strlen(passwor 阅读全文
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http://blog.csdn.net/worn_nest/article/details/10155495 阅读全文
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http://www.jianshu.com/p/0a0b837d50b2 阅读全文
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- (void)viewDidLoad { [super viewDidLoad]; self.title=@"修改UITextField的placeholder字体颜色"; UITextField *textTF=[[UITextField alloc]initWithFrame:CGRectMa 阅读全文