Java Code Examples for cn.hutool.core.bean.BeanUtil#beanToMap()

@ApiOperation("BeanUtil使用：JavaBean的工具类")
@GetMapping("/beanUtil")
public CommonResult beanUtil() {
    PmsBrand brand = new PmsBrand();
    brand.setId(1L);
    brand.setName("小米");
    brand.setShowStatus(0);
    //Bean转Map
    Map<String, Object> map = BeanUtil.beanToMap(brand);
    LOGGER.info("beanUtil bean to map:{}", map);
    //Map转Bean
    PmsBrand mapBrand = BeanUtil.mapToBean(map, PmsBrand.class, false);
    LOGGER.info("beanUtil map to bean:{}", mapBrand);
    //Bean属性拷贝
    PmsBrand copyBrand = new PmsBrand();
    BeanUtil.copyProperties(brand, copyBrand);
    LOGGER.info("beanUtil copy properties:{}", copyBrand);
    return CommonResult.success(null, "操作成功");
}
 

/**
 * 查看角色
 *
 * @author fengshuonan
 * @Date 2018/12/23 6:31 PM
 */
@RequestMapping(value = "/view/{roleId}")
public ResponseData view(@PathVariable Long roleId) {
    if (ToolUtil.isEmpty(roleId)) {
        throw new ServiceException(BizExceptionEnum.REQUEST_NULL);
    }
    RestRole role = this.restRoleService.getById(roleId);
    Map<String, Object> roleMap = BeanUtil.beanToMap(role);

    Long pid = role.getPid();
    String pName = ConstantFactory.me().getSingleRoleName(pid);
    roleMap.put("pName", pName);

    //获取角色绑定的菜单
    List<Long> menuIds = this.restMenuService.getMenuIdsByRoleId(roleId);
    List<String> menuNames = this.restMenuService.getBaseMapper().getMenuNamesByRoleId(roleId);
    if (ToolUtil.isNotEmpty(menuIds)) {
        roleMap.put("menuIds", menuIds);
        roleMap.put("menuNames", menuNames);
    } else {
        roleMap.put("menuIds", new ArrayList<>());
        roleMap.put("menuNames", new ArrayList<>());
    }

    return ResponseData.success(roleMap);
}
 

/**
 * 查询字典列表，通过字典类型code
 *
 * @author fengshuonan
 * @Date 2019-06-20 15:14
 */
public List<Map<String, Object>> getDictsByCodes(List<String> dictCodes) {

    QueryWrapper<RestDict> wrapper = new QueryWrapper<>();
    wrapper.in("code", dictCodes).orderByAsc("sort");

    ArrayList<Map<String, Object>> results = new ArrayList<>();

    //转成map
    List<RestDict> list = this.list(wrapper);
    for (RestDict dict : list) {
        Map<String, Object> map = BeanUtil.beanToMap(dict);
        results.add(map);
    }

    return results;
}
 

/**
 * 查看角色
 *
 * @author fengshuonan
 * @Date 2018/12/23 6:31 PM
 */
@RequestMapping(value = "/view/{roleId}")
@ResponseBody
public ResponseData view(@PathVariable Long roleId) {
    if (ToolUtil.isEmpty(roleId)) {
        throw new ServiceException(BizExceptionEnum.REQUEST_NULL);
    }
    Role role = this.roleService.getById(roleId);
    Map<String, Object> roleMap = BeanUtil.beanToMap(role);

    Long pid = role.getPid();
    String pName = ConstantFactory.me().getSingleRoleName(pid);
    roleMap.put("pName", pName);

    return ResponseData.success(roleMap);
}
 

/**
 * 查询字典列表，通过字典类型code
 *
 * @author fengshuonan
 * @Date 2019-06-20 15:14
 */
public List<Map<String, Object>> getDictsByCodes(List<String> dictCodes) {

    QueryWrapper<Dict> wrapper = new QueryWrapper<>();
    wrapper.in("code", dictCodes).orderByAsc("sort");

    ArrayList<Map<String, Object>> results = new ArrayList<>();

    //转成map
    List<Dict> list = this.list(wrapper);
    for (Dict dict : list) {
        Map<String, Object> map = BeanUtil.beanToMap(dict);
        results.add(map);
    }

    return results;
}
 

/**
 * 跳转到菜单详情列表页面
 */
@Permission(Const.ADMIN_NAME)
@RequestMapping(value = "/menu_edit/{menuId}")
public String menuEdit(@PathVariable Long menuId, Model model) {
    if (ToolUtil.isEmpty(menuId)) {
        throw new ServiceException(BizExceptionEnum.REQUEST_NULL);
    }
    Menu menu = this.menuService.selectById(menuId);

    //获取父级菜单的id
    Menu temp = new Menu();
    temp.setCode(menu.getPcode());
    Menu pMenu = this.menuService.selectOne(new EntityWrapper<>(temp));

    //如果父级是顶级菜单
    if (pMenu == null) {
        menu.setPcode("0");
    } else {
        //设置父级菜单的code为父级菜单的id
        menu.setPcode(String.valueOf(pMenu.getId()));
    }

    Map<String, Object> menuMap = BeanUtil.beanToMap(menu);
    menuMap.put("pcodeName", ConstantFactory.me().getMenuNameByCode(temp.getCode()));
    model.addAttribute("menu", menuMap);
    LogObjectHolder.me().set(menu);
    return PREFIX + "menu_edit.html";
}
 

/**
 * 查询操作日志详情
 */
@RequestMapping("/detail/{id}")
@Permission(Const.ADMIN_NAME)
@ResponseBody
public Object detail(@PathVariable Integer id) {
    OperationLog operationLog = operationLogService.selectById(id);
    Map<String, Object> stringObjectMap = BeanUtil.beanToMap(operationLog);
    return super.warpObject(new LogWarpper(stringObjectMap));
}
 

@Test
public void testJson() throws Exception {
    User u = new User().setSex(Sex.M).setName("123");
    User user = BeanUtil.toBean(u, User.class);

    Map<String, Object> stringObjectMap = BeanUtil.beanToMap(u);
    String s = objectMapper.writeValueAsString(u);
    User user1 = objectMapper.readValue(s, User.class);
    System.out.println(user);
}
 

@Test
public void testJson() throws Exception {
    User u = new User().setSex(Sex.M).setName("123");
    User user = BeanUtil.toBean(u, User.class);

    Map<String, Object> stringObjectMap = BeanUtil.beanToMap(u);
    String s = objectMapper.writeValueAsString(u);
    User user1 = objectMapper.readValue(s, User.class);
    System.out.println(user);
}
 

/**
 * 查询操作日志详情
 *
 * @author fengshuonan
 * @Date 2018/12/23 5:34 PM
 */
@RequestMapping("/detail/{id}")
public Map<String, Object> detail(@PathVariable Long id) {
    RestOperationLog operationLog = restOperationLogService.getById(id);
    Map<String, Object> stringObjectMap = BeanUtil.beanToMap(operationLog);
    return new LogWrapper(stringObjectMap).wrap();
}
 

/**
 * 过滤不安全字段并转化为map
 */
public static Map<String, Object> removeUnSafeFieldsRest(RestUser user) {
    if (user == null) {
        return new HashMap<>();
    } else {
        Map<String, Object> map = BeanUtil.beanToMap(user);
        map.remove("password");
        map.remove("salt");
        map.put("birthday", DateUtil.formatDate(user.getBirthday()));
        return map;
    }
}
 

/**
 * 查询操作日志详情
 *
 * @author fengshuonan
 * @Date 2018/12/23 5:34 PM
 */
@RequestMapping("/detail/{id}")
@Permission(Const.ADMIN_NAME)
@ResponseBody
public Object detail(@PathVariable Long id) {
    OperationLog operationLog = operationLogService.getById(id);
    Map<String, Object> stringObjectMap = BeanUtil.beanToMap(operationLog);
    return super.warpObject(new LogWrapper(stringObjectMap));
}
 

/**
 * 过滤不安全字段并转化为map
 */
public static Map<String, Object> removeUnSafeFields(User user) {
    if (user == null) {
        return new HashMap<>();
    } else {
        Map<String, Object> map = BeanUtil.beanToMap(user);
        map.remove("password");
        map.remove("salt");
        map.put("birthday", DateUtil.formatDate(user.getBirthday()));
        return map;
    }
}
 

public <T> Record fromBean(T bean){
    return (Record) BeanUtil.beanToMap(bean,this,true,true);
}