[label1 mas_makeConstraints:^(MASConstraintMaker *make) {
        //使左边间距为
        make.left.equalTo(self.view.mas_left).offset(11);
        //顶部间距
        make.top.equalTo(self.view.mas_top).offset(70);
        //高度
        make.height.equalTo(30);
    }];
    
    [label2 mas_makeConstraints:^(MASConstraintMaker *make) {
        //使宽高等于label1
        make.width.and.height.equalTo(label1);
        //与label1顶部对齐
        make.top.equalTo(label1.mas_top);
        //与label1的间距为0
        make.leading.equalTo(label1.mas_trailing).offset(10);
    }];
    [label3 mas_makeConstraints:^(MASConstraintMaker *make) {
        //使宽高等于label2
        make.width.and.height.equalTo(label2);
        //与label2顶部对齐
        make.top.equalTo(label2.mas_top);
        //与label2的间距为0
        make.leading.equalTo(label2.mas_trailing).offset(10);
        //与父视图右边约束
        make.right.equalTo(self.view.mas_right).offset(-11);
    }];
 
 
 
 
 
 
 
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05-11 13:23