iOS中UILabel的深度定制

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背景

+(NSAttributedString *)grabStatusString {
    NSMutableAttributedString *attri2 = [[NSMutableAttributedString alloc] init];
    // 添加表情
    NSTextAttachment *attch = [[NSTextAttachment alloc] init];
    attch.image = [UIImage imageNamed:@"ic_grab_gou_green"];
    
    attch.bounds = CGRectMake(1, 1, attch.image.size.width * 1.1, attch.image.size.height * 1.1);
    NSAttributedString *string = [NSAttributedString attributedStringWithAttachment:attch];
    [attri2 insertAttributedString:string atIndex:0];
    //文字
    NSDictionary *style1 = [LPDAppStyle attributesWithFont:FONT(11) color:COLOR(FFF)];
    NSMutableDictionary *resultStyle = [NSMutableDictionary dictionaryWithDictionary:style1];
    
    NSString *statusText = @" 已取餐";
    NSAttributedString *statusAttriString = [[NSAttributedString alloc] initWithString:statusText attributes:resultStyle];
    [attri2 appendAttributedString:statusAttriString];
    return attri2;
}

以及

-(void)drawTextInRect:(CGRect)rect {
    // inset 的意思 是相对u于以前的，以前相对于各个方向是0，那么如果想要改变，则需要 加 或者减
    UIEdgeInsets insets = {-1, 2, 2, 2};
    [super drawTextInRect:UIEdgeInsetsInsetRect(rect, insets)];
}