java反射样例
没时间解释，先上代码，改日再编辑

public String getInsertSql(String tableName) {String insertSql = "";String column = "";String value = "";try {Class c = this.getClass();Method m;Field[] fields = c.getDeclaredFields();for (Field f : fields) {column += f.getName();m = c.getMethod("get"+ f.getName().substring(0, 1).toUpperCase()+ f.getName().substring(1), null);value += m.invoke(this, null);}} catch (IllegalAccessException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IllegalArgumentException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (InvocationTargetException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (NoSuchMethodException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (SecurityException e) {// TODO Auto-generated catch blocke.printStackTrace();}System.out.println(column + value);return insertSql;}