Nsstring和NSdata的编码转换
1、将UTF8编码转化为中文 - NSString方法
NSString* strAfterDecodeByUTF8AndURI = [@"%E4%B8%AD%E5%9B%BD" stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
2、将中文编码转化为utf8编码 - NSString方法
NSString *y=@"http://********/成都";
NSString *urlstr=[y stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL *url=[NSURL URLWithString:urlstr];
NSURL *url = [NSURL fileURLWithPath:path];
NSData *data = [[NSDataalloc]initWithContentsOfURL:url];
NSString *str = [[NSStringalloc]initWithData:data encoding:NSUTF8StringEncoding];