设置cell的属性text label的显示文本

cell.textLabel.lineBreakMode =NSLineBreakByTruncatingTail;这样设置的时候,当textlabel的文本很长的时候,过长的部分显示为...
//下面是不同的样式对应的效果

typedef NS_ENUM(NSInteger, NSLineBreakMode) {

NSLineBreakByWordWrapping = 0,     // Wrap at word boundaries, default

NSLineBreakByCharWrapping, // Wrap at character boundaries

NSLineBreakByClipping, // Simply clip

NSLineBreakByTruncatingHead, // Truncate at head of line: "...wxyz"

NSLineBreakByTruncatingTail, // Truncate at tail of line: "abcd..."

NSLineBreakByTruncatingMiddle // Truncate middle of line:  "ab...yz"

} NS_ENUM_AVAILABLE(10_0, 6_0);