public class Test {
    public static void main(String[] args) {
        String[] fields = {"name","position","salary"};  
        String table = "employee";        
        String insert = buildInsertSql(table,fields);        
        String s = "INSERT INTO employee(name,position,salary)VALUES(?,?,?)";        
        System.out.println(s.equals(insert)?"测试成功":"测试失败");    
    }
    
    static String buildInsertSql(String table,String[] fields){
        String tmp = "INSERT INTO " + table + "(";        
        for (int i=0;i<fields.length;i++){
            tmp = tmp + fields[i] + (i<(fields.length -1)? ",":")VALUES(?,?,?)");        
        }
        return tmp;    
    }
}