I18N
I18N Level 0: Base product functions correctly on Local OS
I18N Level 1: Level 0 + Regional format and International character support
I18N Level 2: Level 1 + Localization ready (localizability engineering)
I18N Level 3: Level 2 + Localization ready for Bi-Directional UI
Level 2:
常见错误:
???: Unicode转换错误,一般只会一个一个出现,因为Unicode是有标识位的,一个出错,其他的还可以继续解析;而非Unicode的编码一般没这个标识位,缺一个或出错一个,后面的都串位了,会全部解析错误;
乱码:解析时用错了编码;
方块:缺显示当前字符集的字体;