IOS中的NSString与NSArray的互转

将string字符串转换为array数组

 NSArray  *array = [Str componentsSeparatedByString:@","];//分隔符逗号

将array数组转换为string字符串

 NSString *tempString = [mutableArray componentsJoinedByString:@","];//分隔符逗号

将string字符串转换为array数组

 NSArray  *array = [Str componentsSeparatedByString:@","];//分隔符逗号

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将array数组转换为string字符串

 NSString *tempString = [mutableArray componentsJoinedByString:@","];//分隔符逗号