dataformate.java

多功能学生宿舍管理系统 分布式体系结构

package myweb.util;
import java.util.*;
public class DataFormate {
  public DataFormate() {
  }
   
      public static String toGb(String uniStr){
        String gbStr = "";
        if(uniStr == null){
          uniStr = "";
        }
        try{
          byte[] tempByte = uniStr.getBytes("ISO8859_1");
          gbStr = new String(tempByte,"GB2312");
        }
        catch(Exception ex){
          System.out.println(ex.toString());
        }
        return gbStr;
      }
      /**
       * 把字符串转换成uincode编码
       * @param gbStr
       * @return
       */
  public static String toUni(String gbStr){
        String uniStr = "";
        if(gbStr == null){
          gbStr = "";
        }
        try{
          byte[] tempByte = gbStr.getBytes("GB2312");
          uniStr = new String(tempByte,"ISO8859_1");
        }catch(Exception ex){
        }
        return uniStr;
      }
      /**
       * 把字符串转换成Utf8编码
       * @param s
       * @return
       */
  public static String toUtf8String(String s) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < s.length(); i++) {
             char c = s.charAt(i);
              if (c >= 0 && c <= 255) {
                sb.append(c);
                }
              else {
                   byte[] b;
                    try {
                       b = Character.toString(c).getBytes("utf-8");
                     }catch (Exception ex) {
                        System.out.println(ex);
                        b = new byte[0];
                     }
                         for (int j = 0; j < b.length; j++) {
                           int k = b[j];
                           if (k < 0) {
                             k += 256;
                           }
                           sb.append("%" + Integer.toHexString(k).
                                     toUpperCase());
                         }
                       }
                     }
					 System.out.println(sb.toString());
                     return sb.toString();
                   }

}