读取本地文件,获取string 或者 data
NSString *path = [[NSBundle mainBundle] pathForResource:@"xxx" ofType:@"xxx"];
NSError *error = nil;
NSString *content = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:&error];
NSData * data = [NSData dataWithContentsOfFile: path];
iOS中字符串的用法
iOS 关于textFeild 和 键盘的设置
关于delegate
![](https://img.haomeiwen.com/i5891577/9b9db806f6d1173e.png)
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