public class Test {
public static String getStr(String var0, String var1) {
if (var1 != null && var1.length() != 0) {
try {
byte[] var2 = new byte[var0.length()];
char[] var3 = var0.toCharArray();
for (int var4 = var2.length - 1; var4 >= 0; --var4) {
var2[var4] = (byte) var3[var4];
}
return new String(var2, var1);
} catch (Exception var5) {
return var0;
}
} else {
return var0;
}
}
public static void main(String[] args) {
System.out.println(getStr("手术费","utf-8"));
}
}
输出结果:K/9
前提是不修改getStr方法。