1 package com.jdk7.chapter5;
2
3 import java.io.UnsupportedEncodingException;
4
5 public class ChangeCharsetTest {
6 //公共的唯一静态变量
7 public static final String US_ASCII = "US-ASCII"
;
8 public static final String ISO_8859_1 = "ISO-8859-1"
;
9 public static final String UTF_8 = "UTF-8"
;
10 public static final String UTF_16BE = "UTF-16BE"
;
11 public static final String UTF_16LE = "UTF-16LE"
;
12 public static final String UTF_16 = "UTF-16"
;
13 public static final String GBK = "GBK"
;
14
15 public String toUS_ASCII(String str)
throws UnsupportedEncodingException{
16 return changeCharset(str,
this.US_ASCII);
17 }
18
19 public String toISO_8859(String str)
throws UnsupportedEncodingException{
20 return changeCharset(str,
this.ISO_8859_1);
21 }
22
23 public String toUTF_8(String str)
throws UnsupportedEncodingException{
24 return changeCharset(str,
this.UTF_8);
25 }
26
27 public String toUTF_16BE(String str)
throws UnsupportedEncodingException{
28 return changeCharset(str,
this.UTF_16BE);
29 }
30
31 public String toUTF_16LE(String str)
throws UnsupportedEncodingException{
32 return changeCharset(str,
this.UTF_16LE);
33 }
34
35 public String toUTF_16(String str)
throws UnsupportedEncodingException{
36 return changeCharset(str,
this.UTF_16);
37 }
38
39 public String toGBK(String str)
throws UnsupportedEncodingException{
40 return changeCharset(str,
this.GBK);
41 }
42
43 public String changeCharset(String str, String newCharset)
throws UnsupportedEncodingException{
44 byte[] bt =
str.getBytes();
45 return new String(bt, newCharset);
46 }
47
48 public String changeCharset(String str, String newCharset, String oldCharset)
throws UnsupportedEncodingException{
49 byte[] bt =
str.getBytes(oldCharset);
50 return new String(bt, newCharset);
51 }
52
53 public static void main(String[] args)
throws UnsupportedEncodingException {
54 ChangeCharsetTest cct =
new ChangeCharsetTest();
55 String str = "This is 中文 charset!"
;
56 System.out.println("cct.toUS_ASCII("+str+")>"+
cct.toUS_ASCII(str));
57 System.out.println("cct.toGBK("+str+")>"+
cct.toGBK(str));
58 System.out.println("cct.toISO_8859("+str+")>"+
cct.toISO_8859(str));
59 System.out.println("cct.toUTF_16("+str+")>"+
cct.toUTF_16(str));
60 System.out.println("cct.toUTF_16BE("+str+")>"+
cct.toUTF_16BE(str));
61 System.out.println("cct.toUTF_16LE("+str+")>"+
cct.toUTF_16LE(str));
62 System.out.println("cct.toUTF_8("+str+")>"+
cct.toUTF_8(str));
63 System.out.println("GBK to ISO_8859_1>"+
cct.changeCharset(str, GBK, ISO_8859_1));
64 System.out.println("GBK to US_ASCII>"+
cct.changeCharset(str, GBK, US_ASCII));
65 System.out.println("GBK to UTF_16>"+
cct.changeCharset(str, GBK, UTF_16));
66 System.out.println("GBK to UTF_16BE>"+
cct.changeCharset(str, GBK, UTF_16BE));
67 System.out.println("GBK to UTF_16LE>"+
cct.changeCharset(str, GBK, UTF_16LE));
68 System.out.println("GBK to UTF_8>"+
cct.changeCharset(str, GBK, UTF_8));
69 }
70 }
71
72 执行结果：
73 cct.toUS_ASCII(This is 中文 charset!)>This is ???? charset!
74 cct.toGBK(This is 中文 charset!)>This is 中文 charset!
75 cct.toISO_8859(This is 中文 charset!)>This is ???? charset!
76 cct.toUTF_16(This is 中文 charset!)>周楳?猠???桡牳整?
77 cct.toUTF_16BE(This is 中文 charset!)>周楳?猠???桡牳整?
78 cct.toUTF_16LE(This is 中文 charset!)>桔獩椠???挠慨獲瑥?
79 cct.toUTF_8(This is 中文 charset!)>This is ???? charset!
80 GBK to ISO_8859_1>This is ?? charset!
81 GBK to US_ASCII>This is ?? charset!
82 GBK to UTF_16>?
转载于:https://www.cnblogs.com/celine/p/8463626.html
