方法1:
char c = ‘a ‘;
byte b =(byte)c;
方法2:
直接将这个字符转化为int型就可以得到ascii码值搜索
char c = ‘a ‘;
int b = c; //字符的ascii码值
同理将一个ascii码转换为相应的字符:
例如:字符a
int d = 97;
char e = (char)d;
将字符串转成ASCII
/**
* 字符串转换为Ascii
* @param value
* @return
*/
public static String stringToAscii(String value)
{
StringBuffer sbu = new StringBuffer();
char[] chars = value.toCharArray();
for (int i = 0; i < chars.length; i++) {
if(i != chars.length - 1)
{
sbu.append((int)chars[i]).append(",");
}
else {
sbu.append((int)chars[i]);
}
}
return sbu.toString();
}
将ASCII转成字符串
/**
* Ascii转换为字符串
* @param value
* @return
*/
public static String asciiToString(String value)
{
StringBuffer sbu = new StringBuffer();
String[] chars = value.split(",");
for (int i = 0; i < chars.length; i++) {
sbu.append((char) Integer.parseInt(chars[i]));
}
return sbu.toString();
}