返回信息封装类
import net.lab1024.smartadmin.common.constant.ResponseCodeConst; /** * 返回类 * * @param <T> * @author zhuoda */ public class ResponseDTO<T> { protected Integer code; protected String msg; protected Boolean success; protected T data; public ResponseDTO() { } public ResponseDTO(ResponseCodeConst responseCodeConst, String msg) { this.code = responseCodeConst.getCode(); this.msg = msg; this.success = responseCodeConst.isSuccess(); } public ResponseDTO(ResponseCodeConst responseCodeConst, T data) { super(); this.code = responseCodeConst.getCode(); this.msg = responseCodeConst.getMsg(); this.data = data; this.success = responseCodeConst.isSuccess(); } public ResponseDTO(ResponseCodeConst responseCodeConst, T data, String msg) { super(); this.code = responseCodeConst.getCode(); this.msg = msg; this.data = data; this.success = responseCodeConst.isSuccess(); } private ResponseDTO(ResponseCodeConst responseCodeConst) { this.code = responseCodeConst.getCode(); this.msg = responseCodeConst.getMsg(); this.success = responseCodeConst.isSuccess(); } public ResponseDTO(ResponseDTO responseDTO) { this.code = responseDTO.getCode(); this.msg = responseDTO.getMsg(); this.success = responseDTO.isSuccess(); } public static <T> ResponseDTO<T> succ() { return new ResponseDTO(ResponseCodeConst.SUCCESS); } public static <T> ResponseDTO<T> succData(T data, String msg) { return new ResponseDTO(ResponseCodeConst.SUCCESS, data, msg); } public static <T> ResponseDTO<T> succData(T data) { return new ResponseDTO(ResponseCodeConst.SUCCESS, data); } public static <T> ResponseDTO succMsg(String msg) { return new ResponseDTO(ResponseCodeConst.SUCCESS, msg); } public static <T> ResponseDTO<T> wrap(ResponseCodeConst codeConst) { return new ResponseDTO<>(codeConst); } public static <T> ResponseDTO<T> wrap(ResponseCodeConst codeConst, T t) { return new ResponseDTO<T>(codeConst, t); } public static <T> ResponseDTO<T> wrap(ResponseCodeConst codeConst, String msg) { return new ResponseDTO<T>(codeConst, msg); } public String getMsg() { return msg; } public ResponseDTO setMsg(String msg) { this.msg = msg; return this; } public int getCode() { return code; } public ResponseDTO setCode(Integer code) { this.code = code; return this; } public T getData() { return data; } public ResponseDTO setData(T data) { this.data = data; return this; } public boolean isSuccess() { return success; } public void setSuccess(boolean success) { this.success = success; } @Override public String toString() { return "ResponseDTO{" + "code=" + code + ", msg='" + msg + '\'' + ", success=" + success + ", data=" + data + '}'; } }
import net.lab1024.smartadmin.module.system.department.DepartmentResponseCodeConst; import net.lab1024.smartadmin.module.system.employee.constant.EmployeeResponseCodeConst; import net.lab1024.smartadmin.module.support.file.constant.FileResponseCodeConst; import net.lab1024.smartadmin.module.business.log.orderoperatelog.constant.OrderOperateLogOperateTypeConst; import net.lab1024.smartadmin.module.system.login.LoginResponseCodeConst; import net.lab1024.smartadmin.module.system.position.PositionResponseCodeConst; import net.lab1024.smartadmin.module.system.privilege.constant.PrivilegeResponseCodeConst; import net.lab1024.smartadmin.module.system.role.basic.RoleResponseCodeConst; import net.lab1024.smartadmin.module.system.systemconfig.constant.SystemConfigResponseCodeConst; import lombok.extern.slf4j.Slf4j; import java.lang.reflect.Field; import java.util.HashMap; import java.util.Map; /** * 每个业务,100个范围值就够了. */ @Slf4j public class ResponseCodeConst { // 范围声明 static { // 系统功能,从0开始,step=1000 ResponseCodeContainer.register(ResponseCodeConst.class, 0, 1000); ResponseCodeContainer.register(LoginResponseCodeConst.class, 1001, 1999); ResponseCodeContainer.register(DepartmentResponseCodeConst.class, 2001, 2999); ResponseCodeContainer.register(EmployeeResponseCodeConst.class, 3001, 3999); ResponseCodeContainer.register(FileResponseCodeConst.class, 4001, 4999); ResponseCodeContainer.register(SystemConfigResponseCodeConst.class, 5001, 5999); ResponseCodeContainer.register(RoleResponseCodeConst.class, 6001, 6999); ResponseCodeContainer.register(PrivilegeResponseCodeConst.class, 7001, 7999); ResponseCodeContainer.register(OrderOperateLogOperateTypeConst.class, 8001, 8999); ResponseCodeContainer.register(PositionResponseCodeConst.class, 13000, 13999); } public static final ResponseCodeConst SUCCESS = new ResponseCodeConst(1, "操作成功!", true); public static final ResponseCodeConst ERROR_PARAM = new ResponseCodeConst(101, "参数异常!"); public static final ResponseCodeConst ERROR_PARAM_ANY = new ResponseCodeConst(102, "%s参数异常!"); public static final ResponseCodeConst SYSTEM_ERROR = new ResponseCodeConst(111, "系统错误"); public static final ResponseCodeConst DEVELOPMENT = new ResponseCodeConst(112, "此功能正在开发中"); public static final ResponseCodeConst NOT_EXISTS = new ResponseCodeConst(113, "数据不存在"); public static ResponseCodeConst REQUEST_METHOD_ERROR = new ResponseCodeConst(114, "请求方式错误"); public static ResponseCodeConst JSON_FORMAT_ERROR = new ResponseCodeConst(115, "JSON格式错误"); protected int code; protected String msg; protected boolean success; public ResponseCodeConst() { } protected ResponseCodeConst(int code, String msg) { super(); this.code = code; this.msg = msg; ResponseCodeContainer.put(this); } protected ResponseCodeConst(int code, String msg, boolean success) { super(); this.code = code; this.msg = msg; this.success = success; ResponseCodeContainer.put(this); } protected ResponseCodeConst(int code) { super(); this.code = code; ResponseCodeContainer.put(this); } public int getCode() { return code; } public void setCode(int code) { this.code = code; } public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public boolean isSuccess() { return success; } public void setSuccess(boolean success) { this.success = success; } public static void init() { log.info("ResponseCodeConst init...."); } // =======================分割======================= /** * 内部类,用于检测code范围 * * @author Anders */ @Slf4j private static class ResponseCodeContainer { private static final Map<Integer, ResponseCodeConst> RESPONSE_CODE_MAP = new HashMap<>(); private static final Map<Class<? extends ResponseCodeConst>, int[]> RESPONSE_CODE_RANGE_MAP = new HashMap<>(); /** * id的范围:[start, end]左闭右闭 * * @param clazz * @param start * @param end */ private static void register(Class<? extends ResponseCodeConst> clazz, int start, int end) { if (start > end) { throw new IllegalArgumentException("<ResponseDTO> start > end!"); } if (RESPONSE_CODE_RANGE_MAP.containsKey(clazz)) { throw new IllegalArgumentException(String.format("<ResponseDTO> Class:%s already exist!", clazz.getSimpleName())); } RESPONSE_CODE_RANGE_MAP.forEach((k, v) -> { if ((start >= v[0] && start <= v[1]) || (end >= v[0] && end <= v[1])) { throw new IllegalArgumentException(String.format("<ResponseDTO> Class:%s 's id range[%d,%d] has " + "intersection with " + "class:%s", clazz.getSimpleName(), start, end, k.getSimpleName())); } }); RESPONSE_CODE_RANGE_MAP.put(clazz, new int[]{start, end}); // 提前初始化static变量,进行范围检测 Field[] fields = clazz.getFields(); if (fields.length != 0) { try { fields[0].get(clazz); } catch (IllegalArgumentException | IllegalAccessException e) { log.error("", e); } } } public static void put(ResponseCodeConst codeConst) { int[] idRange = RESPONSE_CODE_RANGE_MAP.get(codeConst.getClass()); if (idRange == null) { throw new IllegalArgumentException(String.format("<ResponseDTO> Class:%s has not been registered!", codeConst.getClass().getSimpleName())); } int code = codeConst.code; if (code < idRange[0] || code > idRange[1]) { throw new IllegalArgumentException(String.format("<ResponseDTO> Id(%d) out of range[%d,%d], " + "class:%s", code, idRange[0], idRange[1], codeConst.getClass().getSimpleName())); } if (RESPONSE_CODE_MAP.keySet().contains(code)) { log.error(String.format("<ResponseDTO> Id(%d) out of range[%d,%d], " + "class:%s code is repeat!", code, idRange[0], idRange[1], codeConst.getClass().getSimpleName())); System.exit(0); } RESPONSE_CODE_MAP.put(code, codeConst); } } }