J2ME文字自动换行

 

1. 根据提供的原始字符串和自定义分隔符，指定长度，进行字符串自动换行功能。当字符串遇到指定的分隔符或者是达到指定的长度从而进行字符串的截取。英文字符串达到指定长度后查找最后一次出现的空格进行截取。
3. public static String[] splitString(String s , int len , Font font , char mark , String language){
4.         Vector v = new Vector();
5.         while(s != null && (s.indexOf(mark) >= 0 || font.stringWidth(s) > len)){
6.             
7.             
8.             for(int i = 0 ; i < s.length() ; i++){
9.                 if(s.charAt(i) == mark){
10.                     if(i == s.length() - 1) {
11.                         v.addElement(s.substring(0 , i));
12.                         s = null;
13.                         break;
14.                     }else{
15.                         v.addElement(s.substring(0 , i));
16.                         s = s.substring(i + 1);
17.                         break;
18.                     }
19.                 }
20.                 String temp = s.substring(0 , i + 1);
21.                 if(font.stringWidth(temp) > len){
22.                     int spaceIndex = temp.lastIndexOf(' ');
23.                     if(language.equals(NavigationMIDlet.LANGUAGE_DES_CHI) || spaceIndex < 0){   
24.                         v.addElement(s.substring(0 , i));
25.                         if(i == s.length() - 1) {
26.                             v.addElement(s.substring(i));
27.                             s = null;
28.                             break;
29.                         }else{
30.                             s = s.substring(i);
31.                             break;
32.                         }
33.                     }else{
34.                         v.addElement(s.substring(0 , spaceIndex));
35.                         if(spaceIndex == s.length() - 1) {
36.                             v.addElement(s.substring(spaceIndex));
37.                             s = null;
38.                             break;
39.                         }else{
40.                             s = s.substring(spaceIndex + 1);
41.                             break;
42.                         }
43.                     }
44.                 }
45.             }
46.         }
47.         if(s != null) v.addElement(s);
48.         String []result = new String[v.size()];
49.         Enumeration e = v.elements();
50.         int index = 0;
51.         while(e.hasMoreElements()){
52.             result[index] = (String)e.nextElement();
53.             index++;
54.         }
55.         return result;
56.     }