可以十分方便地对UILabel里面的文字进行排版。不仅支持左对齐、右对齐以及居中，还支持 justify 排版以及 fill 排版。更秒的是，在Debug模式下，还可以任意移动label的位置，并且即时显示当前位置的坐标，更加方便排版。而且支持中文-You can very easily inside the text on UILabel for typesetting. Not only support left-aligned, right-aligned and centered, it also supports justify and fill typesetting typesetting. More seconds is in Debug mode, you can move the position of label and instantly displays the coordinates of the current position, more convenient layout. And support for Chinese! !