pageResult类

public interface IErrorCode {    /**     * 错误编码     *      * @return     */    String getCode();    /**     * 错误内容     *      * @return     */    String getMessage();}

public enum CommonResultCode implements IErrorCode {    /**     * 调用成功     */    Success("successful."),    /**     * 未定义错误     */    UndefinedError("undefined error:%s.");    private String message;    private CommonResultCode(String message) {        this.message = message;    }    @Override    public String getCode() {        return this.name();    }    @Override    public String getMessage() {        return this.message;    }}

@SuppressWarnings("unchecked")public class BaseResult implements Serializable {    private static final long serialVersionUID = 7801949203978416054L;    /**     * 标识本次调用是否返回     */    private boolean           success;    /**     * 本次调用返回code，一般为错误代码     */    private String            code;    /**     * 本次调用返回的消息，一般为错误消息     */    private String            message;    public BaseResult() {        this.code = CommonResultCode.Success.getCode();        this.success = true;        this.message = CommonResultCode.Success.getMessage();    }    /**     * 设置错误信息     *      * @param code     * @param message     */    public <R extends BaseResult> R setError(String code, String message) {        this.code = code;        this.success = false;        this.message = message;        return (R) this;    }    /**     * 设置错误信息     *      * @param errcode     * @param args     * @return     */    public <R extends BaseResult> R setError(IErrorCode errcode, Object... args) {        this.code = errcode.getCode();        this.success = false;        String err = errcode.getMessage();        if (args == null || args.length == 0) {            this.message = err;        } else {            this.message = String.format(err, args);        }        return (R) this;    }    public boolean isSuccess() {        return success;    }    public void setSuccess(boolean success) {        this.success = success;    }    public String getCode() {        return code;    }    public void setCode(String code) {        this.code = code;    }    public String getMessage() {        return message;    }    public void setMessage(String message) {        this.message = message;    }}

public class ListResult<T> extends BaseResult {    private static final long serialVersionUID = 5741020370203813418L;    /**     * 当前返回的数据列表，其数目可以等于count，也可以小于count（分页时）     */    private List<T>           data;    /**     * 根据查询条件可以获得的所有数据总条数     */    private int               count;    public List<T> getData() {        return data;    }    public void setData(List<T> data) {        this.data = data;    }    public int getCount() {        return count;    }    public void setCount(int count) {        this.count = count;    }}

public class PageResult<T> extends ListResult<T> {    private static final long serialVersionUID = -6934915596085958833L;    private int               currentPage      = 1;    private int               pageSize         = 20;    private int               totalCount;    public PageResult() {    }    public PageResult(int currentPage, int pageSize) {        if (currentPage > 0) {            this.currentPage = currentPage;        }        if (pageSize > 0) {            this.pageSize = pageSize;        }    }    public int getCurrentPage() {        return currentPage;    }    public void setCurrentPage(int currentPage) {        this.currentPage = currentPage;    }    public int getPageSize() {        return pageSize;    }    public void setPageSize(int pageSize) {        this.pageSize = pageSize;    }    public int getTotalCount() {        return totalCount;    }    public void setTotalCount(int totalCount) {        this.totalCount = totalCount;    }}