blocks|key|1283255|text|实际上我自己找到了答案。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1283256|我刚刚使用table.contentSize.height的height为tableView.frame创建了一个新的CGRect|offset|length|style|CODE|1283257|它将UITableView的高度设置为其内容的height。因为代码修改了UI，所以不要忘记在主线程中运行它：|1283258|dispatch_async(dispatch_get_main_queue(),+%5E{
++++++++//This+code+will+run+in+the+main+thread:
++++++++CGRect+frame+=+self.tableView.frame;
++++++++frame.size.height+=+self.tableView.contentSize.height;
++++++++self.tableView.frame+=+frame;
++++});|code-block|syntax|javascript|1283259|entityMap^0|0|5|O|U|6|11|F|1N|6|0|2|B|N|6|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@$D|S|E|T|F|G]|$D|U|E|V|F|G]|$D|W|E|X|F|G]|$D|Y|E|Z|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|10|8|@$D|11|E|12|F|G]|$D|13|E|14|F|G]]|9|@]|A|$]]|$1|J|3|K|5|L|7|15|8|@]|9|@]|A|$M|N]]|$1|O|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|P|$]]

Actually I found the answer myself.

I just create a new <code>CGRect</code> for the <code>tableView.frame</code> with the <code>height</code> of <code>table.contentSize.height</code>

That sets the height of the <code>UITableView</code> to the <code>height</code> of its content.
Since the code modifies the UI, do not forget to run it in the main thread:

<pre><code>dispatch_async(dispatch_get_main_queue(), ^{
 //This code will run in the main thread:
 CGRect frame = self.tableView.frame;
 frame.size.height = self.tableView.contentSize.height;
 self.tableView.frame = frame;
 });
</code></pre>

blocks|key|1283307|text|我已经在iOS+7中尝试过了，它对我很有效|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1283308|-+(void)viewDidLoad
{
++++[super+viewDidLoad];
++++[self.tableView+sizeToFit];
}|code-block|syntax|javascript|1283309|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I've tried this in iOS 7 and it worked for me

<pre><code>- (void)viewDidLoad
{
 [super viewDidLoad];
 [self.tableView sizeToFit];
}
</code></pre>

blocks|key|1283358|text|为表视图上的contentSize属性添加一个观察者，并相应地调整框架大小|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1283359|[your_tableview+addObserver:self+forKeyPath:@"contentSize"+options:0+context:NULL];|code-block|syntax|javascript|1283360|然后在回调中：|1283361|-+(void)observeValueForKeyPath:(NSString+*)keyPath+ofObject:(id)object+change:(NSDictionary+*)change+context:(void+*)context
++++{
+++++++++CGRect+frame+=+your_tableview.frame;
+++++++++frame.size+=+your_tableview.contentSize;
+++++++++your_tableview.frame+=+frame;
++++}|1283362|希望这能对你有所帮助。|1283363|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Add an observer for the contentSize property on the table view, and adjust the frame size accordingly

<pre><code>[your_tableview addObserver:self forKeyPath:@"contentSize" options:0 context:NULL];
</code></pre>

then in the callback:

<pre><code>- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
 {
 CGRect frame = your_tableview.frame;
 frame.size = your_tableview.contentSize;
 your_tableview.frame = frame;
 }
</code></pre>

Hope this will help you.

blocks|key|1283616|text|我在滚动视图中有一个表格视图，必须计算tableView的高度并相应地调整它的大小。这些是我采取的步骤：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1283617|0)添加一个UIView到您的scrollView+(可能没有这一步也可以工作，但我这样做是为了避免任何可能的冲突)-这将是您的表视图的一个容器视图。如果您执行此步骤，则将视图边框设置为tableview的边框。|1283618|1)创建UITableView的子类：|1283619|class+IntrinsicTableView:+UITableView+{

++++override+var+contentSize:CGSize+{
++++++++didSet+{
++++++++++++self.invalidateIntrinsicContentSize()
++++++++}
++++}

++++override+var+intrinsicContentSize:+CGSize+{
++++++++self.layoutIfNeeded()
++++++++return+CGSize(width:+UIViewNoIntrinsicMetric,+height:+contentSize.height)
++++}

}|code-block|syntax|javascript|1283620|2)设置故事板中表视图的类为IntrinsicTableView:+screenshot：http://joxi.ru/a2XEENpsyBWq0A|offset|length|1283621|3)设置表视图的heightConstraint|1283622|4)将表的IBoutlet拖到ViewController中|1283623|5)将表的高度约束的IBoutlet拖到ViewController上|1283624|6)将此方法添加到您的ViewController中：|1283625|override+func+viewWillLayoutSubviews()+{
++++++++super.updateViewConstraints()
++++++++self.yourTableViewsHeightConstraint?.constant+=+self.yourTableView.intrinsicContentSize.height
++++}|1283626|希望这能有所帮助|1283627|entityMap|0|LINK|mutability|MUTABLE|url|http://joxi.ru/a2XEENpsyBWq0A^0|0|0|0|0|19|T|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|18|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|19|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|1A|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|1B|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|1C|8|@]|9|@$M|1D|N|1E|1|1F]]|A|$]]|$1|O|3|P|5|6|7|1G|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1H|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|1I|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1J|8|@]|9|@]|A|$]]|$1|W|3|X|5|H|7|1K|8|@]|9|@]|A|$I|J]]|$1|Y|3|Z|5|6|7|1L|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1M|8|@]|9|@]|A|$]]]|11|$12|$5|13|14|15|A|$16|17]]]]

I had a table view inside scroll view and had to calculate tableView's height and resize it accordingly. Those are steps I've taken:

0) add a UIView to your scrollView (probably will work without this step but i did it to avoid any possible conflicts) - this will be a containr view for your table view. If you take this step , then set the views borders right to tableview's ones. 

1) create a subclass of UITableView:

<pre><code>class IntrinsicTableView: UITableView {

 override var contentSize:CGSize {
 didSet {
 self.invalidateIntrinsicContentSize()
 }
 }

 override var intrinsicContentSize: CGSize {
 self.layoutIfNeeded()
 return CGSize(width: UIViewNoIntrinsicMetric, height: contentSize.height)
 }

}
</code></pre>

2) set class of a table view in Storyboard to IntrinsicTableView: screenshot: <a href="http://joxi.ru/a2XEENpsyBWq0A" rel="noreferrer">http://joxi.ru/a2XEENpsyBWq0A</a>

3) Set the heightConstraint to your table view

4) drag the IBoutlet of your table to your ViewController

5) drag the IBoutlet of your table's height constraint to your ViewController

6) add this method into your ViewController: 

<pre><code>override func viewWillLayoutSubviews() {
 super.updateViewConstraints()
 self.yourTableViewsHeightConstraint?.constant = self.yourTableView.intrinsicContentSize.height
 }
</code></pre>

Hope this helps

blocks|key|1068776|text|如果您不想自己跟踪表视图的内容大小变化，您可能会发现这个子类很有用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1068777|protocol+ContentFittingTableViewDelegate:+UITableViewDelegate+{
++++func+tableViewDidUpdateContentSize(_+tableView:+UITableView)
}

class+ContentFittingTableView:+UITableView+{

++++override+var+contentSize:+CGSize+{
++++++++didSet+{
++++++++++++if+!constraints.isEmpty+{
++++++++++++++++invalidateIntrinsicContentSize()
++++++++++++}+else+{
++++++++++++++++sizeToFit()
++++++++++++}

++++++++++++if+contentSize+!=+oldValue+{
++++++++++++++++if+let+delegate+=+delegate+as?+ContentFittingTableViewDelegate+{
++++++++++++++++++++delegate.tableViewDidUpdateContentSize(self)
++++++++++++++++}
++++++++++++}
++++++++}
++++}

++++override+var+intrinsicContentSize:+CGSize+{
++++++++return+contentSize
++++}

++++override+func+sizeThatFits(_+size:+CGSize)+->+CGSize+{
++++++++return+contentSize
++++}
}|code-block|syntax|javascript|1068778|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

In case you don't want to track table view's content size changes yourself, you might find this subclass useful.

<pre><code>protocol ContentFittingTableViewDelegate: UITableViewDelegate {
 func tableViewDidUpdateContentSize(_ tableView: UITableView)
}

class ContentFittingTableView: UITableView {

 override var contentSize: CGSize {
 didSet {
 if !constraints.isEmpty {
 invalidateIntrinsicContentSize()
 } else {
 sizeToFit()
 }

 if contentSize != oldValue {
 if let delegate = delegate as? ContentFittingTableViewDelegate {
 delegate.tableViewDidUpdateContentSize(self)
 }
 }
 }
 }

 override var intrinsicContentSize: CGSize {
 return contentSize
 }

 override func sizeThatFits(_ size: CGSize) -&gt; CGSize {
 return contentSize
 }
}
</code></pre>

blocks|key|1069172|text|我用了一种不同的方式，实际上我的TableView在滚动视图中，所以我必须将高度约束设置为0。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1069173|然后在运行时，我做了以下更改，|1069174|+++++++func+tableView(_+tableView:+UITableView,+willDisplay+cell:+UITableViewCell,+forRowAt+indexPath:+IndexPath)+{
++++++++++++self.viewWillLayoutSubviews()
+++++++}
++++
+++++++override+func+viewWillLayoutSubviews()+{
++++++++++++super.updateViewConstraints()
+++++++++++++DispatchQueue.main.async+{
+++++++++++++++self.tableViewHeightConstraint?.constant+=+self.myTableView.contentSize.height
+++++++++++++++self.view.layoutIfNeeded()
++++++++++}
+++++++}|code-block|syntax|javascript|1069175|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I did in a bit different way, Actually my TableView was inside scrollview so i had to give height constraint as 0.
Then at runtime I made following changes,
<pre><code> func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
 self.viewWillLayoutSubviews()
 }
 
 override func viewWillLayoutSubviews() {
 super.updateViewConstraints()
 DispatchQueue.main.async {
 self.tableViewHeightConstraint?.constant = self.myTableView.contentSize.height
 self.view.layoutIfNeeded()
 }
 }
</code></pre>

blocks|key|1283511|text|如果使用AutoLayout，有一种更好的方法:更改决定高度的约束。只需计算表内容的高度，然后找到约束并更改它。下面是一个例子(假设决定表格高度的约束实际上是一个高度约束，关系为“相等”)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1283512|override+func+viewDidAppear(_+animated:+Bool)+{
++++super.viewDidAppear(animated)

++++for+constraint+in+tableView.constraints+{
++++++++if+constraint.firstItem+as?+UITableView+==+tableView+{
++++++++++++if+constraint.firstAttribute+==+.height+{
++++++++++++++++constraint.constant+=+tableView.contentSize.height
++++++++++++}
++++++++}
++++}
}|code-block|syntax|javascript|1283513|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

There is a much better way to do it if you use AutoLayout: change the constraint that determines the height. Just calculate the height of your table contents, then find the constraint and change it. Here's an example (assuming that the constraint that determines your table's height is actually a height constraint with relation "Equal"):

<pre><code>override func viewDidAppear(_ animated: Bool) {
 super.viewDidAppear(animated)

 for constraint in tableView.constraints {
 if constraint.firstItem as? UITableView == tableView {
 if constraint.firstAttribute == .height {
 constraint.constant = tableView.contentSize.height
 }
 }
 }
}
</code></pre>

blocks|key|1069215|text|这对我使用Auto+Layout很有效，只有一个部分的表视图。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1069216|func+getTableViewContentHeight(tableView:+UITableView)+->+CGFloat+{
++++++++tableView.bounds+=+CGRect(x:+0,+y:+0,+width:+300,+height:+40)
++++++++let+rows+=+tableView.numberOfRows(inSection:+0)
++++++++var+height+=+CGFloat(0)
++++++++for+n+in+0...rows+-+1+{
++++++++++++height+=+height+%2B+tableView.rectForRow(at:+IndexPath(row:+n,+section:+0)).height
++++++++}
++++++++return+height
++++}|code-block|syntax|javascript|1069217|我在设置自动布局时调用此函数(这里的示例使用SnapKit，但您明白了)：|1069218|++++let+height+=+getTableViewContentHeight(tableView:+myTableView)
++++myTableView.snp.makeConstraints+{
++++++++...
++++++++...
++++++++$0.height.equalTo(height)
++++}|1069219|我希望UITableView的高度只与单元格的高度总和相同；我循环遍历单元格，并累加单元格的总高度。由于此时表格视图的大小为CGRect.zero，因此我需要设置边界，以便能够遵守单元格定义的自动布局规则。我将大小设置为一个应该足够大的任意值。实际大小将在稍后由自动布局系统计算。|1069220|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

This works for me using Auto Layout, with a table view with only one section. 

<pre><code>func getTableViewContentHeight(tableView: UITableView) -&gt; CGFloat {
 tableView.bounds = CGRect(x: 0, y: 0, width: 300, height: 40)
 let rows = tableView.numberOfRows(inSection: 0)
 var height = CGFloat(0)
 for n in 0...rows - 1 {
 height = height + tableView.rectForRow(at: IndexPath(row: n, section: 0)).height
 }
 return height
 }
</code></pre>

I call this function when setting up Auto Layout (The sample here uses SnapKit, but you get the idea):

<pre><code> let height = getTableViewContentHeight(tableView: myTableView)
 myTableView.snp.makeConstraints {
 ...
 ...
 $0.height.equalTo(height)
 }
</code></pre>

I want the UITableView only to be as tall as the combined height of the cells; I loop through the cells and accumulate the total height of the cells. Since the size of the table view is CGRect.zero at this point, I need to set the bounds to be able to respect the Auto Layout rules defined by the cell. I set the size to an arbitrary value that should be large enough. The actual size will be calculated later by the Auto Layout system.

blocks|key|1283400|text|Mimo's+answer和Anooj+VM+'s+answer都很棒，但是如果你有一个很大的列表，有一个小问题，框架的高度可能会切断你的一些单元格。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1283401|所以。我稍微修改了一下答案：|1283402|dispatch_async(dispatch_get_main_queue())+{
++++//This+code+will+run+in+the+main+thread:
++++CGFloat+newHeight=self.tableView.contentSize.height;
++++CGFloat+screenHeightPermissible=(self.view.bounds.size.height-self.tableView.frame.origin.y);
++++if+(newHeight>screenHeightPermissible)
++++{
++++++++//so+that+table+view+remains+scrollable+when+'newHeight'++exceeds+the+screen+bounds
++++++++newHeight=screenHeightPermissible;
++++}

++++CGRect+frame+=+self.tableView.frame;
++++frame.size.height+=+newHeight;
++++self.tableView.frame+=+frame;
}|code-block|syntax|javascript|1283403|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/2595291/3632958|1|https://stackoverflow.com/a/25418680/3632958^0|0|D|0|E|I|1|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]|$A|Y|B|Z|1|10]]|C|$]]|$1|D|3|E|5|6|7|11|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|12|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|13|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]|S|$5|N|O|P|C|$Q|T]]]]

<a href="https://stackoverflow.com/a/2595291/3632958">Mimo's answer</a> and <a href="https://stackoverflow.com/a/25418680/3632958">Anooj VM 's answer</a> both are awesome but there is a small problem if you have a large list, it's possible that the height of the frame will cutoff some of your cells.

So. I have modified the answer a little bit:

<pre class="lang-objC prettyprint-override"><code>dispatch_async(dispatch_get_main_queue()) {
 //This code will run in the main thread:
 CGFloat newHeight=self.tableView.contentSize.height;
 CGFloat screenHeightPermissible=(self.view.bounds.size.height-self.tableView.frame.origin.y);
 if (newHeight&gt;screenHeightPermissible)
 {
 //so that table view remains scrollable when 'newHeight' exceeds the screen bounds
 newHeight=screenHeightPermissible;
 }

 CGRect frame = self.tableView.frame;
 frame.size.height = newHeight;
 self.tableView.frame = frame;
}
</code></pre>

blocks|key|1283543|text|Musa+almatri的objc版本|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1283544|(void)viewWillLayoutSubviews
{
++++[super+updateViewConstraints];
++++CGFloat+desiredHeight+=+self.tableView.contentSize.height;
++++//+clamp+desired+height,+if+needed,+and,+in+that+case,+leave+scroll+Enabled
++++self.tableHeight.constant+=+desiredHeight;
++++self.tableView.scrollEnabled+=+NO;
}|code-block|syntax|javascript|1283545|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

objc version of Musa almatri

<pre><code>(void)viewWillLayoutSubviews
{
 [super updateViewConstraints];
 CGFloat desiredHeight = self.tableView.contentSize.height;
 // clamp desired height, if needed, and, in that case, leave scroll Enabled
 self.tableHeight.constant = desiredHeight;
 self.tableView.scrollEnabled = NO;
}
</code></pre>

blocks|key|1283813|text|我的Swift+5实现是将tableView的高度约束设置为其内容的大小(contentSize.height)。此方法假定您使用的是自动布局。这段代码应该放在cellForRowAt+tableView方法中。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1283814|tableView.heightAnchor.constraint(equalToConstant:+tableView.contentSize.height).isActive+=+true|code-block|syntax|javascript|1283815|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.apple.com/documentation/uikit/uitableviewdatasource/1614861-tableview^0|11|I|28|C|28|C|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@$9|X|A|Y|1|Z]]|E|$]]|$1|F|3|G|5|H|7|10|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|11|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]]]

My Swift 5 implementation is to set the hight constraint of the tableView to the size of its content (<code>contentSize.height</code>). This method assumes you are using auto layout. This code should be placed inside the <a href="https://developer.apple.com/documentation/uikit/uitableviewdatasource/1614861-tableview" rel="nofollow noreferrer"><code>cellForRowAt</code></a> tableView method.

<pre class="lang-swift prettyprint-override"><code>tableView.heightAnchor.constraint(equalToConstant: tableView.contentSize.height).isActive = true
</code></pre>

blocks|key|1283676|text|如果您希望您的表是动态的，您将需要使用基于表内容的解决方案，如上所述。如果您只是想显示一个较小的表格，您可以使用容器视图并在其中嵌入UITableViewController+-+UITableView将根据容器大小调整大小。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1283677|这就避免了大量的计算和布局调用。|1283678|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

If you want your table to be dynamic, you will need to use a solution based on the table contents as detailed above. If you simply want to display a smaller table, you can use a container view and embed a UITableViewController in it - the UITableView will be resized according to the container size. 

This avoids a lot of calculations and calls to layout.

I am creating an app which will have a question in a <code>UILabel</code> and a multiple choice answers displayed in <code>UITableView</code>, each row showing a multiple choice. Questions and answers will vary, so I need this <code>UITableView</code> to be dynamic in height.

I would like to find a <code>sizeToFit</code> work around for the table. Where the table's frame is set to the height of all it's content. 

Can anyone advise on how I can achieve this?

Resizing UITableView to fit content

我正在创建一个应用程序，它将有一个问题在UILabel和多项选择答案显示在UITableView中，每行显示多项选择。问题和答案将有所不同，所以我需要这个UITableView是动态的高度。我想找一个适合这张桌子的sizeToFit。其中表格的框架被设置为其所有内容的高度。有人能建议我如何实现这一点吗？

问调整UITableView大小以适应内容
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回答 12

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问调整UITableView大小以适应内容
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