TableViewCell 中添加多个WKWebView

Controller

 static NSString *HomeWebTableViewCellIdentifier = @"HomeWebTableViewCell";

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.vm.boardArray.count;
 }

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    HomeBoardItemModel *model = self.vm.boardArray[indexPath.row];
        //返回默认高度
        if (model.cellHeight == 0) {
            return 200;
        }
        return model.cellHeight;
 }

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    @weakify(self);
    HomeBoardItemModel *model = self.vm.boardArray[indexPath.row];
        CGFloat h = model.cellHeight > 0 ? model.cellHeight : 200;
        
        HomeWebTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:HomeWebTableViewCellIdentifier];
        if (!cell) {
            cell = [[HomeWebTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:HomeWebTableViewCellIdentifier cellHeight:h];
        }
        
        cell.cellModel = model;
        cell.reloadHeightBlock = ^(double height) {
            @strongify(self);
            model.cellHeight = height;
            
          //更新tableviewcell的高度
            [self.tableView beginUpdates];
            [self.tableView endUpdates];
            
//            [self.tableView reloadRowsAtIndexPaths:@[[NSIndexPath indexPathForRow:indexPath.row inSection:indexPath.section]] withRowAnimation:UITableViewRowAnimationNone];
        };
        
        return cell;
    }
};

HomeWebTableViewCell.h

#import <UIKit/UIKit.h>
#import "HomeBoardItemModel.h"

NS_ASSUME_NONNULL_BEGIN

@interface HomeWebTableViewCell : UITableViewCell

@property (nonatomic, strong) NSString *webUrl;

@property (nonatomic, copy) void(^reloadHeightBlock)(double height);

@property (nonatomic, strong) HomeBoardItemModel *cellModel;

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier cellHeight:(double)cellHeight;

@end

NS_ASSUME_NONNULL_END

HomeWebTableViewCell.m

#import "HomeWebTableViewCell.h"
#import <WebKit/WebKit.h>

@interface HomeWebTableViewCell ()<WKNavigationDelegate>
@property (nonatomic, strong) WKWebView *webView;
@property (nonatomic, assign) double cellHeight;
@end

@implementation HomeWebTableViewCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier cellHeight:(double)cellHeight {
    
    if(self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]){
        
        self.selectionStyle = UITableViewCellSelectionStyleNone;
        
        self.cellHeight = cellHeight;
        
        [self createWKWebView];
    }
    return self;
}

- (void)createWKWebView {
    self.webView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth, self.cellHeight)];
    
    self.webView.scrollView.scrollEnabled = NO;
    self.webView.scrollView.bounces = NO;
    self.webView.scrollView.showsVerticalScrollIndicator = NO;
//    self.webView.autoresizingMask = UIViewAutoresizingFlexibleHeight;
    self.webView.navigationDelegate = self;
    self.webView.backgroundColor = [UIColor yellowColor];
    
    // 将webView添加到界面
    [self.contentView addSubview:self.webView];
}

- (void)setCellModel:(HomeBoardItemModel *)cellModel {
    
    if (cellModel) {
        self.webUrl = cellModel.statisUrl;

        // 创建请求
        NSURLRequest *request =[NSURLRequest requestWithURL:[NSURL URLWithString:cellModel.statisUrl]];
        // 加载网页
        [self.webView loadRequest:request];
    }
}

#pragma mark - WKNavigationDelegate
- (void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation {
    
    [self.webView evaluateJavaScript:@"document.body.offsetHeight" completionHandler:^(id _Nullable result, NSError * _Nullable error) {
        // 计算webView高度
        double height = [result doubleValue];
//        NSLog(@"---height = %f------self.cellHeight = %f----%@",height,self.cellHeight,self.webUrl);
        
        if (self.cellHeight != height) {
            if (self.reloadHeightBlock) {
                self.reloadHeightBlock(height);
            }
            self.webView.frame = CGRectMake(0, 0, kScreenWidth, height);
        }
    }];
}