Java毕业设计实战项目之仓库管理系统的实现流程

/**
 * 仓库管理员管理请求 Handler
 *
 * @author yy
 */
@Controller
@RequestMapping(value = "/**/repositoryAdminManage")
public class RepositoryAdminManageHandler {
 
    @Autowired
    private RepositoryAdminManageService repositoryAdminManageService;
 
    // 查询类型
    private static final String SEARCH_BY_ID = "searchByID";
    private static final String SEARCH_BY_NAME = "searchByName";
    private static final String SEARCH_BY_REPOSITORY_ID = "searchByRepositoryID";
    private static final String SEARCH_ALL = "searchAll";
 
    /**
     * 通用记录查询
     *
     * @param keyWord    查询关键字
     * @param searchType 查询类型
     * @param offset     分页偏移值
     * @param limit      分页大小
     * @return 返回所有符合条件的记录
     */
    private Map<String, Object> query(String keyWord, String searchType, int offset, int limit) throws RepositoryAdminManageServiceException {
        Map<String, Object> queryResult = null;
 
        // query
        switch (searchType) {
            case SEARCH_ALL:
                queryResult = repositoryAdminManageService.selectAll(offset, limit);
                break;
            case SEARCH_BY_ID:
                if (StringUtils.isNumeric(keyWord))
                    queryResult = repositoryAdminManageService.selectByID(Integer.valueOf(keyWord));
                break;
            case SEARCH_BY_NAME:
                queryResult = repositoryAdminManageService.selectByName(offset, limit, keyWord);
                break;
            case SEARCH_BY_REPOSITORY_ID:
                if (StringUtils.isNumeric(keyWord))
                    queryResult = repositoryAdminManageService.selectByRepositoryID(Integer.valueOf(keyWord));
                break;
            default:
                // do other things
                break;
        }
 
        return queryResult;
    }
 
    /**
     * 查询仓库管理员信息
     *
     * @param searchType 查询类型
     * @param offset     分页偏移值
     * @param limit      分页大小
     * @param keyWord    查询关键字
     * @return 返回一个Map，其中key=rows，表示查询出来的记录；key=total，表示记录的总条数
     */
    @SuppressWarnings("unchecked")
    @RequestMapping(value = "getRepositoryAdminList", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> getRepositoryAdmin(@RequestParam("searchType") String searchType,
                                           @RequestParam("keyWord") String keyWord, @RequestParam("offset") int offset,
                                           @RequestParam("limit") int limit) throws RepositoryAdminManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        List<RepositoryAdmin> rows = null;
        long total = 0;
 
        // 查询
        Map<String, Object> queryResult = query(keyWord, searchType, offset, limit);
 
        if (queryResult != null) {
            rows = (List<RepositoryAdmin>) queryResult.get("data");
            total = (long) queryResult.get("total");
        }
 
        // 设置 Response
        responseContent.setCustomerInfo("rows", rows);
        responseContent.setResponseTotal(total);
        return responseContent.generateResponse();
    }
 
    /**
     * 添加一条仓库管理员信息
     *
     * @param repositoryAdmin 仓库管理员信息
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与 error
     */
    @RequestMapping(value = "addRepositoryAdmin", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> addRepositoryAdmin(@RequestBody RepositoryAdmin repositoryAdmin) throws RepositoryAdminManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 添加结果
        String result = repositoryAdminManageService.addRepositoryAdmin(repositoryAdmin)
                ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
 
        // 设置 Response
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 查询指定 ID 的仓库管理员信息
     *
     * @param repositoryAdminID 仓库管理员ID
     * @return 返回一个map，其中：key 为 result 的值为操作的结果，包括：success 与 error；key 为 data
     * 的值为仓库管理员信息
     */
    @RequestMapping(value = "getRepositoryAdminInfo", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> getRepositoryAdminInfo(Integer repositoryAdminID) throws RepositoryAdminManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        String result = Response.RESPONSE_RESULT_ERROR;
 
        // 查询
        RepositoryAdmin repositoryAdmin = null;
        Map<String, Object> queryResult = repositoryAdminManageService.selectByID(repositoryAdminID);
        if (queryResult != null) {
            if ((repositoryAdmin = (RepositoryAdmin) queryResult.get("data")) != null)
                result = Response.RESPONSE_RESULT_SUCCESS;
        }
 
        // 设置 Response
        responseContent.setResponseResult(result);
        responseContent.setResponseData(repositoryAdmin);
        return responseContent.generateResponse();
    }
 
    /**
     * 更新仓库管理员信息
     *
     * @param repositoryAdmin 仓库管理员信息
     * @return 返回一个map，其中：key 为 result 的值为操作的结果，包括：success 与 error；key 为 data
     * 的值为仓库管理员信息
     */
    @RequestMapping(value = "updateRepositoryAdmin", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> updateRepositoryAdmin(@RequestBody RepositoryAdmin repositoryAdmin) throws RepositoryAdminManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 更新
        String result = repositoryAdminManageService.updateRepositoryAdmin(repositoryAdmin)
                ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
 
        // 设置 Response
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 删除指定 ID 的仓库管理员信息
     *
     * @param repositoryAdminID 仓库ID
     * @return 返回一个map，其中：key 为 result 的值为操作的结果，包括：success 与 error；key 为 data
     * 的值为仓库管理员信息
     */
    @RequestMapping(value = "deleteRepositoryAdmin", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> deleteRepositoryAdmin(Integer repositoryAdminID) throws RepositoryAdminManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 删除记录
        String result = repositoryAdminManageService.deleteRepositoryAdmin(repositoryAdminID)
                ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
 
        // 设置 Response
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 从文件中导入仓库管理员信息
     *
     * @param file 保存有仓库管理员信息的文件
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与
     * error；key为total表示导入的总条数；key为available表示有效的条数
     */
    @RequestMapping(value = "importRepositoryAdmin", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> importRepositoryAdmin(MultipartFile file) throws RepositoryAdminManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        String result = Response.RESPONSE_RESULT_ERROR;
 
        // 读取文件
        long total = 0;
        long available = 0;
        if (file != null) {
            Map<String, Object> importInfo = repositoryAdminManageService.importRepositoryAdmin(file);
            if (importInfo != null) {
                total = (long) importInfo.get("total");
                available = (long) importInfo.get("available");
                result = Response.RESPONSE_RESULT_SUCCESS;
            }
        }
 
        // 设置 Response
        responseContent.setResponseResult(result);
        responseContent.setResponseTotal(total);
        responseContent.setCustomerInfo("available", available);
        return responseContent.generateResponse();
    }
 
    /**
     * 导出仓库管理员信息到文件中
     *
     * @param searchType 查询类型
     * @param keyWord    查询关键字
     * @param response   HttpServletResponse
     */
    @SuppressWarnings("unchecked")
    @RequestMapping(value = "exportRepositoryAdmin", method = RequestMethod.GET)
    public void exportRepositoryAdmin(@RequestParam("searchType") String searchType,
                                      @RequestParam("keyWord") String keyWord, HttpServletResponse response) throws RepositoryAdminManageServiceException, IOException {
 
        // 导出文件名
        String fileName = "repositoryAdminInfo.xlsx";
 
        // 查询
        List<RepositoryAdmin> repositoryAdmins;
        Map<String, Object> queryResult = query(keyWord, searchType, -1, -1);
 
        if (queryResult != null)
            repositoryAdmins = (List<RepositoryAdmin>) queryResult.get("data");
        else
            repositoryAdmins = new ArrayList<>();
 
        // 生成文件
        File file = repositoryAdminManageService.exportRepositoryAdmin(repositoryAdmins);
 
        // 输出文件
        if (file != null) {
            // 设置响应头
            response.addHeader("Content-Disposition", "attachment;filename=" + fileName);
            FileInputStream inputStream = new FileInputStream(file);
            OutputStream outputStream = response.getOutputStream();
            byte[] buffer = new byte[8192];
 
            int len;
            while ((len = inputStream.read(buffer, 0, buffer.length)) > 0) {
                outputStream.write(buffer, 0, len);
                outputStream.flush();
            }
 
            inputStream.close();
            outputStream.close();
        }
    }
}

/**
 * 货物信息管理请求 Handler
 *
 * @author yy
 */
@RequestMapping(value = "/**/goodsManage")
@Controller
public class GoodsManageHandler {
 
    @Autowired
    private GoodsManageService goodsManageService;
 
    private static final String SEARCH_BY_ID = "searchByID";
    private static final String SEARCH_BY_NAME = "searchByName";
    private static final String SEARCH_ALL = "searchAll";
 
    /**
     * 通用的记录查询
     *
     * @param searchType 查询类型
     * @param keyWord    查询关键字
     * @param offset     分页偏移值
     * @param limit      分页大小
     * @return 返回一个 Map ，包含所有符合要求的查询结果，以及记录的条数
     */
    private Map<String, Object> query(String searchType, String keyWord, int offset, int limit) throws GoodsManageServiceException {
        Map<String, Object> queryResult = null;
 
        switch (searchType) {
            case SEARCH_BY_ID:
                if (StringUtils.isNumeric(keyWord))
                    queryResult = goodsManageService.selectById(Integer.valueOf(keyWord));
                break;
            case SEARCH_BY_NAME:
                queryResult = goodsManageService.selectByName(keyWord);
                break;
            case SEARCH_ALL:
                queryResult = goodsManageService.selectAll(offset, limit);
                break;
            default:
                // do other thing
                break;
        }
 
        return queryResult;
    }
 
    /**
     * 搜索货物信息
     *
     * @param searchType 搜索类型
     * @param offset     如有多条记录时分页的偏移值
     * @param limit      如有多条记录时分页的大小
     * @param keyWord    搜索的关键字
     * @return 返回所有符合要求的记录
     */
    @SuppressWarnings("unchecked")
    @RequestMapping(value = "getGoodsList", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> getGoodsList(@RequestParam("searchType") String searchType,
                                     @RequestParam("offset") int offset, @RequestParam("limit") int limit,
                                     @RequestParam("keyWord") String keyWord) throws GoodsManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        List<Supplier> rows = null;
        long total = 0;
 
        // 查询
        Map<String, Object> queryResult = query(searchType, keyWord, offset, limit);
 
        if (queryResult != null) {
            rows = (List<Supplier>) queryResult.get("data");
            total = (long) queryResult.get("total");
        }
 
        // 设置 Response
        responseContent.setCustomerInfo("rows", rows);
        responseContent.setResponseTotal(total);
        return responseContent.generateResponse();
    }
 
    /**
     * 添加一条货物信息
     *
     * @param goods 货物信息
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与 error
     */
    @RequestMapping(value = "addGoods", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> addGoods(@RequestBody Goods goods) throws GoodsManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 添加记录
        String result = goodsManageService.addGoods(goods) ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
 
        // 设置 Response
        responseContent.setResponseResult(result);
 
        return responseContent.generateResponse();
    }
 
    /**
     * 查询指定 goods ID 货物的信息
     *
     * @param goodsID 货物ID
     * @return 返回一个map，其中：key 为 result 的值为操作的结果，包括：success 与 error；key 为 data
     * 的值为货物信息
     */
    @RequestMapping(value = "getGoodsInfo", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> getGoodsInfo(@RequestParam("goodsID") Integer goodsID) throws GoodsManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        String result = Response.RESPONSE_RESULT_ERROR;
 
        // 获取货物信息
        Goods goods = null;
        Map<String, Object> queryResult = goodsManageService.selectById(goodsID);
        if (queryResult != null) {
            goods = (Goods) queryResult.get("data");
            if (goods != null) {
                result = Response.RESPONSE_RESULT_SUCCESS;
            }
        }
 
        // 设置 Response
        responseContent.setResponseResult(result);
        responseContent.setResponseData(goods);
        return responseContent.generateResponse();
    }
 
    /**
     * 更新货物信息
     *
     * @param goods 货物信息
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与 error
     */
    @RequestMapping(value = "updateGoods", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> updateGoods(@RequestBody Goods goods) throws GoodsManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 更新
        String result = goodsManageService.updateGoods(goods) ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
 
        // 设置 Response
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 删除货物记录
     *
     * @param goodsID 货物ID
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与 error
     */
    @RequestMapping(value = "deleteGoods", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> deleteGoods(@RequestParam("goodsID") Integer goodsID) throws GoodsManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 删除
        String result = goodsManageService.deleteGoods(goodsID) ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
 
        // 设置 Response
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 导入货物信息
     *
     * @param file 保存有货物信息的文件
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与
     * error；key为total表示导入的总条数；key为available表示有效的条数
     */
    @RequestMapping(value = "importGoods", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> importGoods(@RequestParam("file") MultipartFile file) throws GoodsManageServiceException {
        //  初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        String result = Response.RESPONSE_RESULT_ERROR;
 
        // 读取文件内容
        int total = 0;
        int available = 0;
        if (file != null) {
            Map<String, Object> importInfo = goodsManageService.importGoods(file);
            if (importInfo != null) {
                total = (int) importInfo.get("total");
                available = (int) importInfo.get("available");
                result = Response.RESPONSE_RESULT_SUCCESS;
            }
        }
 
        // 设置 Response
        responseContent.setResponseResult(result);
        responseContent.setResponseTotal(total);
        responseContent.setCustomerInfo("available", available);
        return responseContent.generateResponse();
    }
 
    /**
     * 导出货物信息
     *
     * @param searchType 查找类型
     * @param keyWord    查找关键字
     * @param response   HttpServletResponse
     */
    @SuppressWarnings("unchecked")
    @RequestMapping(value = "exportGoods", method = RequestMethod.GET)
    public void exportGoods(@RequestParam("searchType") String searchType, @RequestParam("keyWord") String keyWord,
                            HttpServletResponse response) throws GoodsManageServiceException, IOException {
 
        String fileName = "goodsInfo.xlsx";
 
        List<Goods> goodsList = null;
        Map<String, Object> queryResult = query(searchType, keyWord, -1, -1);
 
        if (queryResult != null) {
            goodsList = (List<Goods>) queryResult.get("data");
        }
 
        // 获取生成的文件
        File file = goodsManageService.exportGoods(goodsList);
 
        // 写出文件
        if (file != null) {
            // 设置响应头
            response.addHeader("Content-Disposition", "attachment;filename=" + fileName);
 
            FileInputStream inputStream = new FileInputStream(file);
            OutputStream outputStream = response.getOutputStream();
            byte[] buffer = new byte[8192];
 
            int len;
            while ((len = inputStream.read(buffer, 0, buffer.length)) > 0) {
                outputStream.write(buffer, 0, len);
                outputStream.flush();
            }
 
            inputStream.close();
            outputStream.close();
 
        }
    }
}

/**
 * 客户信息管理请求 
 *
 * @author yy
 */
@RequestMapping(value = "/**/customerManage")
@Controller
public class CustomerManageHandler {
 
    @Autowired
    private CustomerManageService customerManageService;
 
    private static final String SEARCH_BY_ID = "searchByID";
    private static final String SEARCH_BY_NAME = "searchByName";
    private static final String SEARCH_ALL = "searchAll";
 
    /**
     * 通用的结果查询方法
     *
     * @param searchType 查询方式
     * @param keyWord    查询关键字
     * @param offset     分页偏移值
     * @param limit      分页大小
     * @return 返回指定条件查询的结果
     */
    private Map<String, Object> query(String searchType, String keyWord, int offset, int limit) throws CustomerManageServiceException {
        Map<String, Object> queryResult = null;
 
        switch (searchType) {
            case SEARCH_BY_ID:
                if (StringUtils.isNumeric(keyWord))
                    queryResult = customerManageService.selectById(Integer.valueOf(keyWord));
                break;
            case SEARCH_BY_NAME:
                queryResult = customerManageService.selectByName(offset, limit, keyWord);
                break;
            case SEARCH_ALL:
                queryResult = customerManageService.selectAll(offset, limit);
                break;
            default:
                // do other thing
                break;
        }
        return queryResult;
    }
 
    /**
     * 搜索客户信息
     *
     * @param searchType 搜索类型
     * @param offset     如有多条记录时分页的偏移值
     * @param limit      如有多条记录时分页的大小
     * @param keyWord    搜索的关键字
     * @return 返回查询的结果，其中键值为 rows 的代表查询到的每一记录，若有分页则为分页大小的记录；键值为 total 代表查询到的符合要求的记录总条数
     */
    @SuppressWarnings("unchecked")
    @RequestMapping(value = "getCustomerList", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> getCustomerList(@RequestParam("searchType") String searchType,
                                        @RequestParam("offset") int offset,
                                        @RequestParam("limit") int limit,
                                        @RequestParam("keyWord") String keyWord) throws CustomerManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        List<Supplier> rows = null;
        long total = 0;
 
        Map<String, Object> queryResult = query(searchType, keyWord, offset, limit);
 
        if (queryResult != null) {
            rows = (List<Supplier>) queryResult.get("data");
            total = (long) queryResult.get("total");
        }
 
        // 设置 Response
        responseContent.setCustomerInfo("rows", rows);
        responseContent.setResponseTotal(total);
        responseContent.setResponseResult(Response.RESPONSE_RESULT_SUCCESS);
        return responseContent.generateResponse();
    }
 
    /**
     * 添加一条客户信息
     *
     * @param customer 客户信息
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与 error
     */
    @RequestMapping(value = "addCustomer", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> addCustomer(@RequestBody Customer customer) throws CustomerManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 添加记录
        String result = customerManageService.addCustomer(customer) ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
 
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 查询指定 customer ID 客户的信息
     *
     * @param customerID 客户ID
     * @return 返回一个map，其中：key 为 result 的值为操作的结果，包括：success 与 error；key 为 data
     * 的值为客户信息
     */
    @RequestMapping(value = "getCustomerInfo", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> getCustomerInfo(@RequestParam("customerID") String customerID) throws CustomerManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        String result = Response.RESPONSE_RESULT_ERROR;
 
        // 获取客户信息
        Customer customer = null;
        Map<String, Object> queryResult = query(SEARCH_BY_ID, customerID, -1, -1);
        if (queryResult != null) {
            customer = (Customer) queryResult.get("data");
            if (customer != null) {
                result = Response.RESPONSE_RESULT_SUCCESS;
            }
        }
 
        // 设置 Response
        responseContent.setResponseResult(result);
        responseContent.setResponseData(customer);
 
        return responseContent.generateResponse();
    }
 
    /**
     * 更新客户信息
     *
     * @param customer 客户信息
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与 error
     */
    @RequestMapping(value = "updateCustomer", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> updateCustomer(@RequestBody Customer customer) throws CustomerManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 更新
        String result = customerManageService.updateCustomer(customer) ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
 
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 删除客户记录
     *
     * @param customerIDStr 客户ID
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与 error
     */
    @RequestMapping(value = "deleteCustomer", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> deleteCustomer(@RequestParam("customerID") String customerIDStr) throws CustomerManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
 
        // 参数检查
        if (StringUtils.isNumeric(customerIDStr)) {
            // 转换为 Integer
            Integer customerID = Integer.valueOf(customerIDStr);
 
            // 刪除
            String result = customerManageService.deleteCustomer(customerID) ? Response.RESPONSE_RESULT_SUCCESS : Response.RESPONSE_RESULT_ERROR;
            responseContent.setResponseResult(result);
        } else
            responseContent.setResponseResult(Response.RESPONSE_RESULT_ERROR);
 
        return responseContent.generateResponse();
    }
 
    /**
     * 导入客户信息
     *
     * @param file 保存有客户信息的文件
     * @return 返回一个map，其中：key 为 result表示操作的结果，包括：success 与
     * error；key为total表示导入的总条数；key为available表示有效的条数
     */
    @RequestMapping(value = "importCustomer", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> importCustomer(@RequestParam("file") MultipartFile file) throws CustomerManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        String result = Response.RESPONSE_RESULT_SUCCESS;
 
        // 读取文件内容
        int total = 0;
        int available = 0;
        if (file == null)
            result = Response.RESPONSE_RESULT_ERROR;
        Map<String, Object> importInfo = customerManageService.importCustomer(file);
        if (importInfo != null) {
            total = (int) importInfo.get("total");
            available = (int) importInfo.get("available");
        }
 
        responseContent.setResponseResult(result);
        responseContent.setResponseTotal(total);
        responseContent.setCustomerInfo("available", available);
        return responseContent.generateResponse();
    }
 
    /**
     * 导出客户信息
     *
     * @param searchType 查找类型
     * @param keyWord    查找关键字
     * @param response   HttpServletResponse
     */
    @SuppressWarnings("unchecked")
    @RequestMapping(value = "exportCustomer", method = RequestMethod.GET)
    public void exportCustomer(@RequestParam("searchType") String searchType, @RequestParam("keyWord") String keyWord,
                               HttpServletResponse response) throws CustomerManageServiceException, IOException {
 
        String fileName = "customerInfo.xlsx";
 
        List<Customer> customers = null;
        Map<String, Object> queryResult = query(searchType, keyWord, -1, -1);
 
        if (queryResult != null) {
            customers = (List<Customer>) queryResult.get("data");
        }
 
        // 获取生成的文件
        File file = customerManageService.exportCustomer(customers);
 
        // 写出文件
        if (file != null) {
            // 设置响应头
            response.addHeader("Content-Disposition", "attachment;filename=" + fileName);
            FileInputStream inputStream = new FileInputStream(file);
            OutputStream outputStream = response.getOutputStream();
            byte[] buffer = new byte[8192];
 
            int len;
            while ((len = inputStream.read(buffer, 0, buffer.length)) > 0) {
                outputStream.write(buffer, 0, len);
                outputStream.flush();
            }
 
            inputStream.close();
            outputStream.close();
 
        }
    }
}

/**
 * 商品出入库管理请求
 *
 * @author yy
 */
@Controller
@RequestMapping(value = "stockRecordManage")
public class StockRecordManageHandler {
 
    @Autowired
    private StockRecordManageService stockRecordManageService;
 
    /**
     * 货物出库操作
     *
     * @param customerID      客户ID
     * @param goodsID         货物ID
     * @param repositoryIDStr 仓库ID
     * @param number          出库数量
     * @return 返回一个map，key为result的值表示操作是否成功
     */
    @RequestMapping(value = "stockOut", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> stockOut(@RequestParam("customerID") Integer customerID,
                                 @RequestParam("goodsID") Integer goodsID,
                                 @RequestParam(value = "repositoryID", required = false) String repositoryIDStr,
                                 @RequestParam("number") long number) throws StockRecordManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        String result = Response.RESPONSE_RESULT_ERROR;
        boolean authorizeCheck = true;
        boolean argumentCheck = true;
        Integer repositoryID = null;
 
        // 参数检查
        if (repositoryIDStr != null) {
            if (StringUtils.isNumeric(repositoryIDStr)) {
                repositoryID = Integer.valueOf(repositoryIDStr);
            } else {
                argumentCheck = false;
                responseContent.setResponseMsg("request argument error");
            }
        }
 
        // 获取 session 中的信息
        Subject currentUser = SecurityUtils.getSubject();
        Session session = currentUser.getSession();
        UserInfoDTO userInfo = (UserInfoDTO) session.getAttribute("userInfo");
        String personInCharge = userInfo == null ? "none" : userInfo.getUserName();
        Integer repositoryIDBelong = userInfo == null ? -1 : userInfo.getRepositoryBelong();
 
        // 设置非管理员请求的仓库ID
        if (!currentUser.hasRole("systemAdmin")) {
            if (repositoryIDBelong < 0) {
                authorizeCheck = false;
                responseContent.setResponseMsg("You are not authorized");
            } else {
                repositoryID = repositoryIDBelong;
            }
        }
 
        if (authorizeCheck && argumentCheck) {
            if (stockRecordManageService.stockOutOperation(customerID, goodsID, repositoryID, number, personInCharge))
                result = Response.RESPONSE_RESULT_SUCCESS;
        }
 
        // 设置 Response
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 货物入库操作
     *
     * @param supplierID      供应商ID
     * @param goodsID         货物ID
     * @param repositoryIDStr 仓库ID
     * @param number          入库数目
     * @return 返回一个map，key为result的值表示操作是否成功
     */
    @RequestMapping(value = "stockIn", method = RequestMethod.POST)
    public
    @ResponseBody
    Map<String, Object> stockIn(@RequestParam("supplierID") Integer supplierID,
                                @RequestParam("goodsID") Integer goodsID,
                                @RequestParam(value = "repositoryID", required = false) String repositoryIDStr,
                                @RequestParam("number") long number) throws StockRecordManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        String result = Response.RESPONSE_RESULT_ERROR;
        boolean authorizeCheck = true;
        boolean argumentCheck = true;
        Integer repositoryID = null;
 
        // 参数检查
        if (repositoryIDStr != null) {
            if (StringUtils.isNumeric(repositoryIDStr)) {
                repositoryID = Integer.valueOf(repositoryIDStr);
            } else {
                argumentCheck = false;
                responseContent.setResponseMsg("request argument error");
            }
        }
 
        // 获取session中的信息
        Subject currentUser = SecurityUtils.getSubject();
        Session session = currentUser.getSession();
        UserInfoDTO userInfo = (UserInfoDTO) session.getAttribute("userInfo");
        String personInCharge = userInfo == null ? "none" : userInfo.getUserName();
        Integer repositoryIDBelong = userInfo == null ? -1 : userInfo.getRepositoryBelong();
 
        // 设置非管理员请求的仓库ID
        if (!currentUser.hasRole("systemAdmin")) {
            if (repositoryIDBelong < 0) {
                authorizeCheck = false;
                responseContent.setResponseMsg("You are not authorized");
            } else {
                repositoryID = repositoryIDBelong;
            }
        }
 
        // 执行 Service
        if (authorizeCheck && argumentCheck) {
            if (stockRecordManageService.stockInOperation(supplierID, goodsID, repositoryID, number, personInCharge)) {
                result = Response.RESPONSE_RESULT_SUCCESS;
            }
        }
 
        // 设置 Response
        responseContent.setResponseResult(result);
        return responseContent.generateResponse();
    }
 
    /**
     * 查询出入库记录
     *
     * @param searchType      查询类型（查询所有或仅查询入库记录或仅查询出库记录）
     * @param repositoryIDStr 查询记录所对应的仓库ID
     * @param endDateStr      查询的记录起始日期
     * @param startDateStr    查询的记录结束日期
     * @param limit           分页大小
     * @param offset          分页偏移值
     * @return 返回一个Map，其中：Key为rows的值代表所有记录数据，Key为total的值代表记录的总条数
     */
    @SuppressWarnings({"SingleStatementInBlock", "unchecked"})
    @RequestMapping(value = "searchStockRecord", method = RequestMethod.GET)
    public @ResponseBody
    Map<String, Object> getStockRecord(@RequestParam("searchType") String searchType,
                                       @RequestParam("repositoryID") String repositoryIDStr,
                                       @RequestParam("startDate") String startDateStr,
                                       @RequestParam("endDate") String endDateStr,
                                       @RequestParam("limit") int limit,
                                       @RequestParam("offset") int offset) throws ParseException, StockRecordManageServiceException {
        // 初始化 Response
        Response responseContent = ResponseFactory.newInstance();
        List<StockRecordDTO> rows = null;
        long total = 0;
 
        // 参数检查
        String regex = "([0-9]{4})-([0-9]{2})-([0-9]{2})";
        boolean startDateFormatCheck = (StringUtils.isEmpty(startDateStr) || startDateStr.matches(regex));
        boolean endDateFormatCheck = (StringUtils.isEmpty(endDateStr) || endDateStr.matches(regex));
        boolean repositoryIDCheck = (StringUtils.isEmpty(repositoryIDStr) || StringUtils.isNumeric(repositoryIDStr));
 
        if (startDateFormatCheck && endDateFormatCheck && repositoryIDCheck) {
            Integer repositoryID = -1;
            if (StringUtils.isNumeric(repositoryIDStr)) {
                repositoryID = Integer.valueOf(repositoryIDStr);
            }
 
            // 转到 Service 执行查询
            Map<String, Object> queryResult = stockRecordManageService.selectStockRecord(repositoryID, startDateStr, endDateStr, searchType, offset, limit);
            if (queryResult != null) {
                rows = (List<StockRecordDTO>) queryResult.get("data");
                total = (long) queryResult.get("total");
            }
        } else
            responseContent.setResponseMsg("Request argument error");
 
        if (rows == null)
            rows = new ArrayList<>(0);
 
        responseContent.setCustomerInfo("rows", rows);
        responseContent.setResponseTotal(total);
        return responseContent.generateResponse();
    }
}