记录Java中对url中的参数进行编码

import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.StringTokenizer;public class url {
public static void main(String[] args)throws Exception {
String str="http://nufm.dfcfw.com/EM_Finance2014NumericApplication/JS.aspx?type=CT&cmd=C._A&sty=FCOIATA&sortType=C&sortRule=-1&page=1&pageSize=70&js=var%20quote_123%3d{rank:[(x)],pages:(pc)}&token=7bc05d0d4c3c22ef9fca8c2a912d779c&jsName=quote_123&_g=0.5927966693718834";
String result=GetRealUrl(str);
System.out.println(result);
} //对url中的参数进行url编码
public static String GetRealUrl(String str) {
try {
int index = str.indexOf("?");
if (index < 0) return str;
String query = str.substring(0, index);
String params = str.substring(index + 1);
Map map = GetArgs(params);
//Map map=TransStringToMap(params);
String encodeParams = TransMapToString(map);
return query + "?" + encodeParams;
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
return "";
} //将url参数格式转化为map
public static Map GetArgs(String params) throws Exception{
Map map=new HashMap();
String[] pairs=params.split("&");
for(int i=0;i<pairs.length;i++){
int pos=pairs[i].indexOf("=");
if(pos==-1) continue;
String argname=pairs[i].substring(0,pos);
String value=pairs[i].substring(pos+1);
value= URLEncoder.encode(value,"utf-8");
map.put(argname,value);
}
return map;
} //将map转化为指定的String类型
public static String TransMapToString(Map map){
java.util.Map.Entry entry;
StringBuffer sb = new StringBuffer();
for(Iterator iterator = map.entrySet().iterator(); iterator.hasNext();)
{
entry = (java.util.Map.Entry)iterator.next();
sb.append(entry.getKey().toString()).append( "=" ).append(null==entry.getValue()?"":
entry.getValue().toString()).append (iterator.hasNext() ? "&" : "");
}
return sb.toString();
} //将String类型按一定规则转换为Map
public static Map TransStringToMap(String mapString){
Map map = new HashMap();
java.util.StringTokenizer items;
for(StringTokenizer entrys = new StringTokenizer(mapString, "&"); entrys.hasMoreTokens();
map.put(items.nextToken(), items.hasMoreTokens() ? ((Object) (items.nextToken())) : null))
items = new StringTokenizer(entrys.nextToken(), "=");
return map;
}
}

http://nufm.dfcfw.com/EM_Finance2014NumericApplication/JS.aspx?sortType=C&sortRule=-1&_g=0.5927966693718834&sty=FCOIATA&pageSize=70&js=var%2520quote_123%253d%7Brank%3A%5B%28x%29%5D%2Cpages%3A%28pc%29%7D&cmd=C._A&page=1&type=CT&token=7bc05d0d4c3c22ef9fca8c2a912d779c&jsName=quote_123