java錯誤缺少return語句

-1

package com.cordys.report; 

import java.io.FileInputStream; 

import org.apache.commons.codec.binary.Base64; 

public class Encode { 
    // file path ex : C:\Program Files\Cordys\Web\reports\I0001180.pdf 
    public static String encodeFileStream(String filePath) { 
     try { 
      FileInputStream fin = new FileInputStream(
        "E:/CSS Document/Test.pdf"); 
      StringBuffer sb = new StringBuffer(); 
      int lineLength = 72; 
      byte[] buf = new byte[lineLength/4 * 3]; 

      while (true) { 
       int len = fin.read(buf); 
       if (len <= 0) { 
        break; 
       } 

       // new Base64().encode(byte); 
       // sb.append(Base64.encode(buf)); 
       // sb.append(Base64.encodeBase64(buf)); 

       Base64 b = new Base64(); 
       sb.append(b.encode(buf)); 
       return sb.toString(); 
      } 
     } 
     catch (Exception e) { 
      return e.getMessage(); 
     } 
    } 
}

來源

2011-01-27 monika

什麼是你的問題？ – Satya 2011-01-27 05:11:55

格式化您的代碼 – Elalfer 2011-01-27 05:12:23