转贴个别人的。
汉字转化为拼音(jsp版)    qiushuiwuhen(原作) 
  
关键字     汉字 拼音 jsp 哈希 Hashtable containsKey toCharArray 
  
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");

解决方案 »

  1.   

    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>
      

  2.   

    it is not difficult but hard
      

  3.   

    TO:tomxutomxu(shprog) 
    我根据你的程序编写了一个jsp页面,但我输入值后回车出错,请问为什么,错误如下;
    <2002-11-21 下午03时37分22秒> <Error> <HTTP> <[WebAppServletContext(7216154,DefaultWebApp,/Defa
    ultWebApp)] Servlet failed with Exception
    java.lang.ArrayIndexOutOfBoundsException
            at jsp_servlet.__hzconvertepy.c(__hzconvertepy.java:70)
            at jsp_servlet.__hzconvertepy._jspService(__hzconvertepy.java:530)
            at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
            at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)
            at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
            at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.ja
    va:2495)
            at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2204)
            at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
            at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
    >
      

  4.   

    ArrayIndexOutOfBoundsException---------------数组越界,看着改吧
      

  5.   

    Hashtable ht=new Hashtable(10);
    ----------------10 个显然太小了
      

  6.   

    我输入“heh”后程序能正常运行,显示“heh“,只要我输入汉字就报错,
    我已将哈希表数改为:Hashtable ht=new Hashtable(10000);
      

  7.   

    错误同上面的一样。
    <2002-11-21 下午03时56分27秒> <Error> <HTTP> <[WebAppServletContext(7216154,DefaultWebApp,/De
    ultWebApp)] Servlet failed with Exception
    java.lang.ArrayIndexOutOfBoundsException
            at jsp_servlet.__hzconvertepy.c(__hzconvertepy.java:71)
            at jsp_servlet.__hzconvertepy._jspService(__hzconvertepy.java:531)
            at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
            at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)
            at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
            at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.
    va:2495)
            at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2204)
            at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
            at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
    >
      

  8.   

    ArrayIndexOutOfBoundsException
    怎么还是数组越界的错误呀?
    10000 ,太少了吧,那么吝啬干吗,1000000 试一试
      

  9.   

    我通过跟踪程序发现,错误处在:q=(int)hz[++i];。将++i改为i++运行没有出错,但页面没有任何显示,不能将汉字转化为拼音。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;
    }
      

  10.   

    to : zhouwj(阿杰) 
    你已经转换成功了么?我根据上面的例子写的程序,就是转换不成功?请问通过输入什么汉字才能将其转换为拼音。