第70节:Java中xml和tomcat 前言: 哭着也要看完,字数: jdbc crud - statement dao java.sql.Driver The interface that every driver class must implement. The Java SQL framework allows for multiple database drivers. Each driver should supply a class that implements the Dri
/** * 获取字符串的长度,如果有中文,则每个中文字符计为2位 * * @param value * 指定的字符串 * * @return 字符串的长度 */ public static int length(String value) { int valueLength = 0; String chinese = "[\u0391-\uFFE5]"; /* 获取字段值的长度,如果含中文字符,则每个中文字符长度为2,否则为1 */ for (int i = 0; i < val