IOS中的全角标点符号宽度
默认字体18
2011-11-02 10:25:59.994 TextLayoutDemo[1487:207] 、(12289) 19.000000 18.000000
2011-11-02 10:25:59.994 TextLayoutDemo[1487:207] ，(65292) 19.000000 18.000000
2011-11-02 10:25:59.995 TextLayoutDemo[1487:207] ：(65306) 19.000000 18.000000
2011-11-02 10:25:59.995 TextLayoutDemo[1487:207] 。(12290) 19.000000 18.000000
2011-11-02 10:25:59.996 TextLayoutDemo[1487:207] ？(65311) 19.000000 18.000000
2011-11-02 10:25:59.996 TextLayoutDemo[1487:207] ！(65281) 19.000000 18.000000
2011-11-02 10:25:59.997 TextLayoutDemo[1487:207] ；(65307) 19.000000 18.000000
2011-11-02 10:25:59.997 TextLayoutDemo[1487:207] ：(65306) 19.000000 18.000000
2011-11-02 10:25:59.998 TextLayoutDemo[1487:207] “(8220) 6.000000 5.000000
2011-11-02 10:25:59.998 TextLayoutDemo[1487:207] ”(8221) 6.000000 6.000000
