- publicclassURL{
- /**
- *解码URL串
- *
- *@paramurl待解码的URL串
- *@return解码后的字符串
- */
- publicstaticStringdecode(Stringurl){
- char[]chars=url.toCharArray();
- intcursor=0;
- ByteArrayOutputStreambaos=newByteArrayOutputStream();
- DataOutputStreamdos=null;
- try{
- dos=newDataOutputStream(baos);
- while(cursor<chars.length){
- intcurr=chars[cursor++];
- if(curr=='%'){
- StringBuffertmp=newStringBuffer();
- charcr=chars[cursor++];
- charlf=chars[cursor++];
- tmp.append(cr).append(lf);
- Integerresult=Integer.valueOf(tmp.toString(),16);
- curr=result.intValue();
- }
- dos.writeByte(curr);
- }
- dos.flush();
- baos.flush();
- byte[]data=baos.toByteArray();
- Stringtext=UTF8.decode(data,0,data.length);
- returntext;
- }catch(Exceptione){
- e.printStackTrace();
- }finally{
- try{
- if(dos!=null)dos.close();
- if(baos!=null)baos.close();
- }catch(Exceptione){
- }
- }
- returnnull;
- }
- }
- publicclassUTF8{
- publicstaticStringdecode(bytein[],intoffset,intlength){
- StringBufferbuff=newStringBuffer();
- intmax=offset+length;
- for(inti=offset;i<max;i++){
- charc=0;
- if((in[i]&0x80)==0){
- c=(char)in[i];
- }elseif((in[i]&0xe0)==0xc0){//11100000
- c|=((in[i++]&0x1f)<<6);//00011111
- c|=((in[i]&0x3f)<<0);//00111111
- }elseif((in[i]&0xf0)==0xe0){//11110000
- c|=((in[i++]&0x0f)<<12);//00001111
- c|=((in[i++]&0x3f)<<6);//00111111
- c|=((in[i]&0x3f)<<0);//00111111
- }elseif((in[i]&0xf8)==0xf0){//11111000
- c|=((in[i++]&0x07)<<18);//00000111(move18,not16?)
- c|=((in[i++]&0x3f)<<12);//00111111
- c|=((in[i++]&0x3f)<<6);//00111111
- c|=((in[i]&0x3f)<<0);//00111111
- }else{
- c='?';
- }
- buff.append(c);
- }
- returnbuff.toString();
- }
- }