1 package aa;
 2 import java.io.BufferedReader;
 3 import java.io.File;
 4 import java.io.FileInputStream;
 5 import java.io.InputStreamReader;
 6 import java.util.Hashtable;
 7 import java.util.Map.Entry;
 8 
 9 public class DuplicateItem {
10      public static Hashtable<String, String> readTxtFile(String filePath){
11          Hashtable<String,String> table =new Hashtable<String, String>();
12             try {
13                     String encoding="GBK";
14                     File file=new File(filePath);
15                     if(file.isFile() && file.exists()){ 
16                         InputStreamReader read = new InputStreamReader(
17                         new FileInputStream(file),encoding);
18                         BufferedReader bufferedReader = new BufferedReader(read);
19                         String lineTxt = null;
20                         while((lineTxt = bufferedReader.readLine()) != null){
21                             String key = lineTxt.substring(0, lineTxt.indexOf("\t"));
22                             String value = http://www.mamicode.com/lineTxt.substring(lineTxt.indexOf("\t")+1);      
23                             table.put(key.trim(), value.trim());
24                         }
25                         read.close();
26             }else{
27                 System.out.println("找不到指定的文件");
28             }
29             } catch (Exception e) {
30                 System.out.println("读取文件内容出错");
31                 e.printStackTrace();
32             }
33             return table;
34         }
35          
36          public static void printall(Hashtable<String,String> ht, Hashtable<String, String> ht2){
37              for(Entry<String, String> en : ht.entrySet()){
38                  if(null == ht2.get(en.getKey())){
39                      System.out.println("\n\tB中没有A中value为" + en.getValue().replace("\t", "") + "的项\n");
40                  }else if(!en.getValue().equals(ht2.get(en.getKey()))){
41                      System.out.println("A中value为:  " + en.getValue().replace("\t", "") + "\t与B中  "+ ht2.get(en.getKey()).replace("\t", "") +"  不同");
42                  }
43                  
44              }
45              
46              for(Entry<String, String> en2 : ht2.entrySet()){
47                  if(ht.get(en2.getKey()) == null){
48                      System.out.println("\n\tA中没有B中value为" + en2.getValue().replace("\t", "") + "的项\n");
49                  }else if(!en2.getValue().equals(ht.get(en2.getKey()))){
50                      System.out.println("B中value为:  " + en2.getValue().replace("\t", "") + "\t与A中  "+ ht.get(en2.getKey()).replace("\t", "") +"  不同");
51                  }
52                  
53              }
54           }
55      
56         public static void main(String argv[]){
57              Hashtable<String,String> table =new Hashtable<String, String>();
58              Hashtable<String,String> table2 =new Hashtable<String, String>();
59             String filePath = "C:\\Users\\Administrator\\Desktop\\c.txt";
60             String filePath2 = "C:\\Users\\Administrator\\Desktop\\d.txt";
61             table = readTxtFile(filePath);
62             table2 = readTxtFile(filePath2);
63             if(table != null && table2 != null){
64                 printall(table,table2);
65             }
66            
67         }
68 }