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[self.contentView mas_makeConstraints:^(MASConstraintMaker *make) { make.top.equalTo(@0); make.bottom.equalTo(@0); }];
Dynamicly calculate the string height when obtaining data, and set the parent control frame
Related methods: CGRect strRect = [str boundingRectWithSize:CGSizeMake(maxWidth, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName : [UIFont systemFontOfSize: fontSize]} context:nil];
CGRect strRect = [str boundingRectWithSize:CGSizeMake(maxWidth, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName : [UIFont systemFontOfSize: fontSize]} context:nil];
It’s okay if the height of the parent view is not given. The content will prop it upOf course, if it is a cell, you need to calculate it yourself
The bottom of the bottom view is equal to the bottom of the parent view
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Dynamicly calculate the string height when obtaining data, and set the parent control frame
Related methods:
CGRect strRect = [str boundingRectWithSize:CGSizeMake(maxWidth, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName : [UIFont systemFontOfSize: fontSize]} context:nil];It’s okay if the height of the parent view is not given. The content will prop it up
Of course, if it is a cell, you need to calculate it yourself
The bottom of the bottom view is equal to the bottom of the parent view