很多问题都是因为中文问题造成的
如文件名最好别用中文
现在的解决方法一般是产生一个ID,将这个ID做文件名
网页上如果url带汉字也经常出错
现在的解决方法一般用urlencode编码
现在用了这个转化，就好多了
原理：利用哈希表技术 Hashtable ht=new Hashtable(10);
1.添加索引，如： ht.put("-20295","ang");
2.倒序遍历，如： while(!ht.containsKey(Integer.toString(num)))num--;
<%@ page language="java" import="java.util.*" contentType="text/html" %>
<%!
Hashtable ht=new Hashtable(10);
String g(Integer n){
int num=n.intValue();
if(num>0&&num<160){
return String.valueOf((char)num);
}
else if(num<-20319||num>-10247){
return "";
}
else{
if(ht.size()==0){b();}
while(!ht.containsKey(Integer.toString(num)))num--;
return ht.get(Integer.toString(num)).toString();
}
}
String c(String str){
char[] hz=str.toCharArray();
int len=str.length();
int p,q;
String ret="";
for(int i=0;i<len;i++){
p=(int)hz[i];
if(p>160){
q=(int)hz[++i];
p=p*256+q-65536;
}
ret+=g(new Integer(p));
}
return ret;
}
void b(){
ht.put("-20319","a");
ht.put("-20317","ai");
ht.put("-20304","an");
ht.put("-20295","ang");
ht.put("-20292","ao");
ht.put("-20283","ba");
ht.put("-20265","bai");
ht.put("-20257","ban");
ht.put("-20242","bang");
ht.put("-20230","bao");
ht.put("-20051","bei");
ht.put("-20036","ben");
ht.put("-20032","beng");
ht.put("-20026","bi");
ht.put("-20002","bian");
ht.put("-19990","biao");
ht.put("-19986","bie");
ht.put("-19982","bin");
ht.put("-19976","bing");
ht.put("-19805","bo");
ht.put("-19784","bu");
ht.put("-19775","ca");
ht.put("-19774","cai");
ht.put("-19763","can");
ht.put("-19756","cang");
ht.put("-19751","cao");
ht.put("-19746","ce");
ht.put("-19741","ceng");
ht.put("-19739","cha");
ht.put("-19728","chai");
ht.put("-19725","chan");
ht.put("-19715","chang");
ht.put("-19540","chao");
ht.put("-19531","che");
ht.put("-19525","chen");
ht.put("-19515","cheng");
ht.put("-19500","chi");
ht.put("-19484","chong");
ht.put("-19479","chou");
ht.put("-19467","chu");
ht.put("-19289","chuai");
ht.put("-19288","chuan");
ht.put("-19281","chuang");
ht.put("-19275","chui");
ht.put("-19270","chun");
ht.put("-19263","chuo");
ht.put("-19261","ci");
ht.put("-19249","cong");
ht.put("-19243","cou");
ht.put("-19242","cu");
ht.put("-19238","cuan");
ht.put("-19235","cui");
ht.put("-19227","cun");
ht.put("-19224","cuo");
ht.put("-19218","da");
ht.put("-19212","dai");
ht.put("-19038","dan");
ht.put("-19023","dang");
ht.put("-19018","dao");
ht.put("-19006","de");
ht.put("-19003","deng");
ht.put("-18996","di");
ht.put("-18977","dian");
ht.put("-18961","diao");
ht.put("-18952","die");
ht.put("-18783","ding");
ht.put("-18774","diu");
ht.put("-18773","dong");
ht.put("-18763","dou");
ht.put("-18756","du");
ht.put("-18741","duan");
ht.put("-18735","dui");
ht.put("-18731","dun");
ht.put("-18722","duo");
ht.put("-18710","e");
ht.put("-18697","en");
ht.put("-18696","er");
ht.put("-18526","fa");
ht.put("-18518","fan");
ht.put("-18501","fang");
ht.put("-18490","fei");
ht.put("-18478","fen");
ht.put("-18463","feng");
ht.put("-18448","fo");
ht.put("-18447","fou");
ht.put("-18446","fu");
ht.put("-18239","ga");
ht.put("-18237","gai");
ht.put("-18231","gan");
ht.put("-18220","gang");
ht.put("-18211","gao");
ht.put("-18201","ge");
ht.put("-18184","gei");
ht.put("-18183","gen");
ht.put("-18181","geng");
ht.put("-18012","gong");
ht.put("-17997","gou");
ht.put("-17988","gu");
ht.put("-17970","gua");
ht.put("-17964","guai");
ht.put("-17961","guan");
ht.put("-17950","guang");
ht.put("-17947","gui");
ht.put("-17931","gun");
ht.put("-17928","guo");
ht.put("-17922","ha");
ht.put("-17759","hai");
ht.put("-17752","han");
ht.put("-17733","hang");
ht.put("-17730","hao");
ht.put("-17721","he");
ht.put("-17703","hei");
ht.put("-17701","hen");
ht.put("-17697","heng");
ht.put("-17692","hong");
ht.put("-17683","hou");
ht.put("-17676","hu");
ht.put("-17496","hua");
ht.put("-17487","huai");
ht.put("-17482","huan");
ht.put("-17468","huang");
ht.put("-17454","hui");
ht.put("-17433","hun");
ht.put("-17427","huo");
ht.put("-17417","ji");
ht.put("-17202","jia");
ht.put("-17185","jian");
ht.put("-16983","jiang");
ht.put("-16970","jiao");
ht.put("-16942","jie");
ht.put("-16915","jin");
ht.put("-16733","jing");
ht.put("-16708","jiong");
ht.put("-16706","jiu");
ht.put("-16689","ju");
ht.put("-16664","juan");
ht.put("-16657","jue");
ht.put("-16647","jun");
ht.put("-16474","ka");
ht.put("-16470","kai");
ht.put("-16465","kan");
ht.put("-16459","kang");
ht.put("-16452","kao");
ht.put("-16448","ke");
ht.put("-16433","ken");
ht.put("-16429","keng");
ht.put("-16427","kong");
ht.put("-16423","kou");
ht.put("-16419","ku");
ht.put("-16412","kua");
ht.put("-16407","kuai");
ht.put("-16403","kuan");
ht.put("-16401","kuang");
ht.put("-16393","kui");
ht.put("-16220","kun");
ht.put("-16216","kuo");
ht.put("-16212","la");
ht.put("-16205","lai");
ht.put("-16202","lan");
ht.put("-16187","lang");
ht.put("-16180","lao");
ht.put("-16171","le");
ht.put("-16169","lei");
ht.put("-16158","leng");
ht.put("-16155","li");
ht.put("-15959","lia");
ht.put("-15958","lian");
ht.put("-15944","liang");
ht.put("-15933","liao");
ht.put("-15920","lie");
ht.put("-15915","lin");
ht.put("-15903","ling");
ht.put("-15889","liu");
ht.put("-15878","long");
ht.put("-15707","lou");
ht.put("-15701","lu");
ht.put("-15681","lv");
ht.put("-15667","luan");
ht.put("-15661","lue");
ht.put("-15659","lun");
ht.put("-15652","luo");
ht.put("-15640","ma");
ht.put("-15631","mai");
ht.put("-15625","man");
ht.put("-15454","mang");
ht.put("-15448","mao");
ht.put("-15436","me");
ht.put("-15435","mei");
ht.put("-15419","men");
ht.put("-15416","meng");
ht.put("-15408","mi");
ht.put("-15394","mian");
ht.put("-15385","miao");
ht.put("-15377","mie");
ht.put("-15375","min");
ht.put("-15369","ming");
ht.put("-15363","miu");
ht.put("-15362","mo");
ht.put("-15183","mou");
ht.put("-15180","mu");
ht.put("-15165","na");
ht.put("-15158","nai");
ht.put("-15153","nan");
ht.put("-15150","nang");
ht.put("-15149","nao");
ht.put("-15144","ne");
ht.put("-15143","nei");
ht.put("-15141","nen");
ht.put("-15140","neng");
ht.put("-15139","ni");
ht.put("-15128","nian");
ht.put("-15121","niang");
ht.put("-15119","niao");
ht.put("-15117","nie");
ht.put("-15110","nin");
ht.put("-15109","ning");
ht.put("-14941","niu");
ht.put("-14937","nong");
ht.put("-14933","nu");
ht.put("-14930","nv");
ht.put("-14929","nuan");
ht.put("-14928","nue");
ht.put("-14926","nuo");
ht.put("-14922","o");
ht.put("-14921","ou");
ht.put("-14914","pa");
ht.put("-14908","pai");
ht.put("-14902","pan");
ht.put("-14894","pang");
ht.put("-14889","pao");
ht.put("-14882","pei");
ht.put("-14873","pen");
ht.put("-14871","peng");
ht.put("-14857","pi");
ht.put("-14678","pian");
ht.put("-14674","piao");
ht.put("-14670","pie");
ht.put("-14668","pin");
ht.put("-14663","ping");
ht.put("-14654","po");
ht.put("-14645","pu");
ht.put("-14630","qi");
ht.put("-14594","qia");
ht.put("-14429","qian");
ht.put("-14407","qiang");
ht.put("-14399","qiao");
ht.put("-14384","qie");
ht.put("-14379","qin");
ht.put("-14368","qing");
ht.put("-14355","qiong");
ht.put("-14353","qiu");
ht.put("-14345","qu");
ht.put("-14170","quan");
ht.put("-14159","que");
ht.put("-14151","qun");
ht.put("-14149","ran");
ht.put("-14145","rang");
ht.put("-14140","rao");
ht.put("-14137","re");
ht.put("-14135","ren");
ht.put("-14125","reng");
ht.put("-14123","ri");
ht.put("-14122","rong");
ht.put("-14112","rou");
ht.put("-14109","ru");
ht.put("-14099","ruan");
ht.put("-14097","rui");
ht.put("-14094","run");
ht.put("-14092","ruo");
ht.put("-14090","sa");
ht.put("-14087","sai");
ht.put("-14083","san");
ht.put("-13917","sang");
ht.put("-13914","sao");
ht.put("-13910","se");
ht.put("-13907","sen");
ht.put("-13906","seng");
ht.put("-13905","sha");
ht.put("-13896","shai");
ht.put("-13894","shan");
ht.put("-13878","shang");
ht.put("-13870","shao");
ht.put("-13859","she");
ht.put("-13847","shen");
ht.put("-13831","sheng");
ht.put("-13658","shi");
ht.put("-13611","shou");
ht.put("-13601","shu");
ht.put("-13406","shua");
ht.put("-13404","shuai");
ht.put("-13400","shuan");
ht.put("-13398","shuang");
ht.put("-13395","shui");
ht.put("-13391","shun");
ht.put("-13387","shuo");
ht.put("-13383","si");
ht.put("-13367","song");
ht.put("-13359","sou");
ht.put("-13356","su");
ht.put("-13343","suan");
ht.put("-13340","sui");
ht.put("-13329","sun");
ht.put("-13326","suo");
ht.put("-13318","ta");
ht.put("-13147","tai");
ht.put("-13138","tan");
ht.put("-13120","tang");
ht.put("-13107","tao");
ht.put("-13096","te");
ht.put("-13095","teng");
ht.put("-13091","ti");
ht.put("-13076","tian");
ht.put("-13068","tiao");
ht.put("-13063","tie");
ht.put("-13060","ting");
ht.put("-12888","tong");
ht.put("-12875","tou");
ht.put("-12871","tu");
ht.put("-12860","tuan");
ht.put("-12858","tui");
ht.put("-12852","tun");
ht.put("-12849","tuo");
ht.put("-12838","wa");
ht.put("-12831","wai");
ht.put("-12829","wan");
ht.put("-12812","wang");
ht.put("-12802","wei");
ht.put("-12607","wen");
ht.put("-12597","weng");
ht.put("-12594","wo");
ht.put("-12585","wu");
ht.put("-12556","xi");
ht.put("-12359","xia");
ht.put("-12346","xian");
ht.put("-12320","xiang");
ht.put("-12300","xiao");
ht.put("-12120","xie");
ht.put("-12099","xin");
ht.put("-12089","xing");
ht.put("-12074","xiong");
ht.put("-12067","xiu");
ht.put("-12058","xu");
ht.put("-12039","xuan");
ht.put("-11867","xue");
ht.put("-11861","xun");
ht.put("-11847","ya");
ht.put("-11831","yan");
ht.put("-11798","yang");
ht.put("-11781","yao");
ht.put("-11604","ye");
ht.put("-11589","yi");
ht.put("-11536","yin");
ht.put("-11358","ying");
ht.put("-11340","yo");
ht.put("-11339","yong");
ht.put("-11324","you");
ht.put("-11303","yu");
ht.put("-11097","yuan");
ht.put("-11077","yue");
ht.put("-11067","yun");
ht.put("-11055","za");
ht.put("-11052","zai");
ht.put("-11045","zan");
ht.put("-11041","zang");
ht.put("-11038","zao");
ht.put("-11024","ze");
ht.put("-11020","zei");
ht.put("-11019","zen");
ht.put("-11018","zeng");
ht.put("-11014","zha");
ht.put("-10838","zhai");
ht.put("-10832","zhan");
ht.put("-10815","zhang");
ht.put("-10800","zhao");
ht.put("-10790","zhe");
ht.put("-10780","zhen");
ht.put("-10764","zheng");
ht.put("-10587","zhi");
ht.put("-10544","zhong");
ht.put("-10533","zhou");
ht.put("-10519","zhu");
ht.put("-10331","zhua");
ht.put("-10329","zhuai");
ht.put("-10328","zhuan");
ht.put("-10322","zhuang");
ht.put("-10315","zhui");
ht.put("-10309","zhun");
ht.put("-10307","zhuo");
ht.put("-10296","zi");
ht.put("-10281","zong");
ht.put("-10274","zou");
ht.put("-10270","zu");
ht.put("-10262","zuan");
ht.put("-10260","zui");
ht.put("-10256","zun");
ht.put("-10254","zuo");
ht.put("-10247","zz");
}
%>
<%
if(request.getParameter("hz")!=null)
{
out.println(c(request.getParameter("hz")));
}
%>
<form method=post>
请在此处输入中文：<input name=hz>
</form> 
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