charactercodeextractor extracts the integral character code of the first character in the source string attribute and adds its integer value in the character set to the feature as another attribute
Charactercodeextractor提取源字符串属性中第一个字符的整型字符代码，并将其在字符集中的整型值作为另一个属性添加到特性中
以上为机器翻译结果，长、整句建议使用 人工翻译 。