paragraphSpacing和paragraphSpacingBefore之间有什么区别？ （在NSMutableParagraphStyle中）

Question

https://developer.apple.com/library/ios/documentation/Cocoa/Reference/ApplicationKit/Classes/NSMutableParagraphStyle_Class/#//apple_ref/occ/instp/NSMutableParagraphStyle/paragraphSpacing

我已经阅读了这篇文章。

但我无法理解。

paragraphSpacing和paragraphSpacingBefore之间有什么区别？ （在NSMutableParagraphStyle中）

Img Please。

我无法理解英语...

url : here click img

paragraphSpacingBefore在哪里？

Answer 1

<强> paragraphSpacing https://developer.apple.com/library/ios/documentation/Cocoa/Reference/ApplicationKit/Classes/NSMutableParagraphStyle_Class/#//apple_ref/occ/instp/NSMutableParagraphStyle/paragraphSpacing

＆＃34;此属性包含段落末尾添加的空格 ，以便将其与以下段落分开。＆＃34;

<强> paragraphSpacingBefore https://developer.apple.com/library/ios/documentation/Cocoa/Reference/ApplicationKit/Classes/NSMutableParagraphStyle_Class/#//apple_ref/occ/instp/NSMutableParagraphStyle/paragraphSpacingBefore

此属性包含文本内容的段落顶部和开头之间的空格（以磅为单位）。