类名和字符串之间的转换(实现动态编码)

类名转换成字符串

NSClassFromString(@"class")

字符串转换成类

NSStringFromClass([self class]);

实例

id VC = [[NSClassFromString([self.sourceArray objectAtIndex:indexPath.row]) alloc] init];
[self.navigationController pushViewController:VC animated:YES];