J2ME 可用的函數,類別真的太少了,在因為某些情況下總會用到下面的函數,所以記錄一下總結得來的.
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| import java.io.IOException;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
class Test {
public static void main(String[] args) {
System.out.println(args[0] + ": " + urlEncode(args[0]));
}
private static String urlEncode(String str) {
String URL_UNRESERVED = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~";
char[] HEX = "0123456789ABCDEF".toCharArray();
StringBuffer buf = new StringBuffer();
byte[] bytes = null;
try {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(bos);
dos.writeUTF(str);
bytes = bos.toByteArray();
} catch (IOException e) {
}
for (int i = 2; i < bytes.length; i++) {
byte b = bytes[i];
if (URL_UNRESERVED.indexOf(b) >= 0) {
buf.append((char) b);
} else {
buf.append('%').append(HEX[(b >> 4) & 0x0f]).append(HEX[b & 0x0f]);
}
}
return buf.toString();
}
}
|
參考: http://wiki.forum.nokia.com/index.php/J2ME_Google_%E5%9C%B0%E5%9C%96_API
