[转]java 类里判断字符串是iso-8859-1还是gb2312,utf-8,gbk等,判断编码类型

System.out.println(java.nio.charset.Charset.forName("GB2312").newEncoder().canEncode("张三"));System.out.println(java.nio.charset.Charset.forName("ISO-8859-1").newEncoder().canEncode("张三"));