// NSParagraphStyleAttributeName 段落的風格（設置首行，行間距，對齊方式什麼的）看自己需要什麼屬性，寫什麼 NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init] ...
- // NSParagraphStyleAttributeName 段落的風格（設置首行，行間距，對齊方式什麼的）看自己需要什麼屬性，寫什麼
- NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
- paragraphStyle.lineSpacing = 10;// 字體的行間距
- paragraphStyle.firstLineHeadIndent = 20.0f;//首行縮進
- paragraphStyle.alignment = NSTextAlignmentJustified;//（兩端對齊的）文本對齊方式：（左，中，右，兩端對齊，自然）
- paragraphStyle.lineBreakMode = NSLineBreakByTruncatingTail;//結尾部分的內容以……方式省略 ( "...wxyz" ,"abcd..." ,"ab...yz")
- paragraphStyle.headIndent = 20;//整體縮進(首行除外)
- paragraphStyle.tailIndent = 20;//
- paragraphStyle.minimumLineHeight = 10;//最低行高
- paragraphStyle.maximumLineHeight = 20;//最大行高
- paragraphStyle.paragraphSpacing = 15;//段與段之間的間距
- paragraphStyle.paragraphSpacingBefore = 22.0f;// 段首行空白空間 /* Distance between the bottom of the previous paragraph (or the end of its paragraphSpacing, if any) and the top of this paragraph. */
- paragraphStyle.baseWritingDirection = NSWritingDirectionLeftToRight;//從左到右的書寫方向（一共➡️三種）
- paragraphStyle.lineHeightMultiple = 15;/* Natural line height is multiplied by this factor (if positive) before being constrained by minimum and maximum line height. */
- paragraphStyle.hyphenationFactor = 1;//連字屬性 在iOS，唯一支持的值分別為0和1
- /*
- NSFontAttributeName 字體大小
- NSParagraphStyleAttributeName 段落的風格（設置首行，行間距，對齊方式什麼的）
- NSKernAttributeName 字間距
- */
- NSDictionary *attributes = @{
- NSFontAttributeName:[UIFont systemFontOfSize:15],
- NSParagraphStyleAttributeName:paragraphStyle,
- NSKernAttributeName:@(10),
- };
- textView.attributedText = [[NSAttributedString alloc] initWithString:textView.text attributes:attributes];
