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  • IOS笔记 : 一些小技巧

    计算单元格高度,在自定义cell中

    -(void) resizeTheHeight
    {
    CGFloat contentWidth = 280;

    UIFont *font = [UIFont fontWithName:@"Arial" size:14];

    CGSize size = [txtContent.text sizeWithFont:font constrainedToSize:CGSizeMake(contentWidth, 220) lineBreakMode:UILineBreakModeTailTruncation];

    [txtContent setFrame:CGRectMake(20, 28, 280, size.height)];
    [centerimageView setFrame:CGRectMake(0, 0, 320, size.height+30)];
    [footView setFrame:CGRectMake(5, size.height+28, 310, 2)];
    }

    id image = [dictionary objectForKey:@"image"];
    if ((NSNull *)image != [NSNull null])   //判断是否为空
    {
    self.imageURL = [dictionary objectForKey:@"image"];

    NSString *newImageURL = [NSString stringWithFormat:@"http://img.qiushibaike.com/system/pictures/%@/small/%@",qiushiID,imageURL];
    NSString *newImageMidURL = [NSString stringWithFormat:@"http://img.qiushibaike.com/system/pictures/%@/medium/%@",qiushiID,imageURL];
    self.imageURL = newImageURL;
    self.imageMidURL = newImageMidURL;
    }

    NSDictionary *vote = [NSDictionary dictionaryWithDictionary:[dictionary objectForKey:@"votes"]];
    self.downCount = [[vote objectForKey:@"down"]intValue];
    self.upCount = [[vote objectForKey:@"up"]intValue];

    id user = [dictionary objectForKey:@"user"];
    if ((NSNull *)user != [NSNull null])
    {
    NSDictionary *user = [NSDictionary dictionaryWithDictionary:[dictionary objectForKey:@"user"]];
    self.anchor = [user objectForKey:@"login"];
    }

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  • 原文地址:https://www.cnblogs.com/lgphp/p/4263677.html
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