public static <T> void modelTrim(T model){Class<T> clazz = (Class<T>) model.getClass();//获取所有的bean中所有的成员变量Field[] fields = clazz.getDeclaredFields();for(int j=0;j<fields.length;j++){//获取所有的bean中变量类型为String的变量if("String".equals(fields[j].getType().getSimpleName())){try {//获取get方法名String methodName = "get"+fields[j].getName().substring(0, 1).toUpperCase()+fields[j].getName().replaceFirst("\\w", "");Method getMethod = clazz.getDeclaredMethod(methodName);//打破封装getMethod.setAccessible(true);//得到该方法的值Object methodValue = getMethod.invoke(model);//判断值是否为空或者为null,非的话这过滤前后空格if(methodValue != null && !"".equals(methodValue)){//获取set方法名String setMethodName = "set"+fields[j].getName().substring(0, 1).toUpperCase()+fields[j].getName().replaceFirst("\\w", "");//得到get方法的Method对象,带参数Method setMethod = clazz.getDeclaredMethod(setMethodName,fields[j].getType());setMethod.setAccessible(true);//赋值
                        setMethod.invoke(model, (Object)String.valueOf(methodValue).trim());}} catch (NoSuchMethodException e) {e.printStackTrace();} catch (SecurityException e) {e.printStackTrace();} catch (IllegalAccessException e) {e.printStackTrace();} catch (IllegalArgumentException e) {e.printStackTrace();} catch (InvocationTargetException e) {e.printStackTrace();}}}}

/*** 保存数据 *@param request*@param dto*@throws Exception*/public static void setDTOValue(HttpServletRequest request, Object dto) throws Exception {if ((dto == null) || (request == null))return;//得到类中所有的方法 基本上都是set和get方法Method[] methods = dto.getClass().getMethods();for (int i = 0; i < methods.length; i++) {try {//方法名String methodName = methods[i].getName();//方法参数的类型Class[] type = methods[i].getParameterTypes();//当时set方法时，判断依据：setXxxx类型if ((methodName.length() > 3) && (methodName.startsWith("set")) && (type.length == 1)) {//将set后面的大写字母转成小写并截取出来String name = methodName.substring(3, 4).toLowerCase() + methodName.substring(4);Object objValue = getBindValue(request, name, type[0]);if (objValue != null) {Object[] value = { objValue };invokeMothod(dto, methodName, type, value);}}} catch (Exception ex) {throw ex;}}}