java字符串编码转换

java字符串编码转换方法：

 1     /**
 2      * 将UTF-8编码参数转换成ISO-8859-1编码
 3      */
 4     private String convertToISO_8859_1(String param) {
 5         String result = null;
 6         if (null != param && !"".equals(param)) {
 7             try {
 8                 result = new String(param.getBytes("UTF-8"), "iso-8859-1");
 9             } catch (UnsupportedEncodingException e) {
10                 e.printStackTrace();
11             }
12         }
13         return result;
14     }
15
16     /**
17      * 将ISO-8859-1编码参数转换成UTF-8编码
18      */
19     private String convertToUTF_8(String param) {
20         String result = null;
21         if (null != param && !"".equals(param)) {
22             try {
23                 result = new String(param.getBytes("iso-8859-1"), "UTF-8");
24             } catch (UnsupportedEncodingException e) {
25                 e.printStackTrace();
26             }
27         }
28         return result;
29     }