Java工具类：全角半角相互转换详解编程语言

/** 
     * 半角转全角 
     * @param input String. 
     * @return 全角字符串. 
     */ 
    public static String ToSBC(String input) { 
             char c[] = input.toCharArray(); 
             for (int i = 0; i < c.length; i++) { 
               if (c[i] == ' ') { 
                 c[i] = '/u3000'; 
               } else if (c[i] < '/177') { 
                 c[i] = (char) (c[i] + 65248); 
               } 
             } 
             return new String(c); 
    } 
    /** 
     * 全角转半角 
     * @param input String. 
     * @return 半角字符串 
     */ 
    public static String ToDBC(String input) {         
             char c[] = input.toCharArray(); 
             for (int i = 0; i < c.length; i++) { 
               if (c[i] == '/u3000') { 
                 c[i] = ' '; 
               } else if (c[i] > '/uFF00' && c[i] < '/uFF5F') { 
                 c[i] = (char) (c[i] - 65248); 
               } 
             } 
        String returnString = new String(c); 
             return returnString; 
    }