/*** 根据实体查询，将所有的参数封装到实体中查询即可，不可查询为null的信息* @param t* @return* @throws SecurityException* @throws NoSuchMethodException* @throws IllegalArgumentException* @throws IllegalAccessException* @throws InvocationTargetException*/public List<T> queryAll(T t) throws SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException{//存放参数List<Object> paraList = new ArrayList<Object>();List<T> list = new ArrayList<T>();StringBuffer sb = new StringBuffer("from ");sb.append(entityClass.getSimpleName()).append(" where 1=1 ");if( t == null){list = find(sb.toString());return list;}//拼接hql语句//获取类中所有的属性Field[] fields = t.getClass().getDeclaredFields();for(Field field : fields){//字段名称String fieldName = field.getName();//方法名称String methodName = getMethodName(fieldName, "get");//方法Method method = UserInfo.class.getDeclaredMethod(methodName);//方法的返回值类型String methodReturnType = method.getReturnType().getSimpleName();Object obj = null;obj = method.invoke(t);//返回值为空则跳过if( obj == null ){continue;}if ("String".equals(methodReturnType)) {String str = String.valueOf(obj.toString());sb.append(" and ").append(fieldName).append("= ? ");paraList.add(str);} else if ("Date".equals(methodReturnType)) {Date date = (Date)obj;sb.append(" and ").append(fieldName).append("= ? ");paraList.add(date);} else if ("Integer".equals(methodReturnType)|| "int".equals(methodReturnType)) {Integer i = Integer.valueOf(obj.toString());sb.append(" and ").append(fieldName).append("= ? ");paraList.add(i);} else if ("Long".equalsIgnoreCase(methodReturnType)) {Long L = Long.valueOf(obj.toString());sb.append(" and ").append(fieldName).append("= ? ");paraList.add(L);} else if ("Double".equalsIgnoreCase(methodReturnType)) {Double d = Double.valueOf(obj.toString());sb.append(" and ").append(fieldName).append("= ? ");paraList.add(d);} else if ("Boolean".equalsIgnoreCase(methodReturnType)) {Boolean b = Boolean.valueOf(obj.toString());sb.append(" and ").append(fieldName).append("= ? ");paraList.add(b);}}Query query = createQuery(sb.toString(), paraList.toArray());list = query.list();return list;}/*** 或实体中属性的get或set方法* @param methodName  字段名* @param methodType  方法类型：get或set* @return*/private String getMethodName(String methodName, String methodType){if( methodName == null || "".equals(methodName.trim()) ){return null;}StringBuffer sb = new StringBuffer();sb.append(methodType);sb.append(methodName.substring(0, 1).toUpperCase());sb.append(methodName.substring(1));return sb.toString();}