merge

lib/store/AsyncRowStore.d.ts

@@ -7,6 +7,7 @@ export declare abstract class AsyncContext<ED extends EntityDict> implements Con
     opRecords: OpRecord<ED>[];
     private scene?;
     private headers?;
+    private message?;
     events: {
         commit: Array<() => Promise<void>>;
         rollback: Array<() => Promise<void>>;
@@ -32,6 +33,8 @@ export declare abstract class AsyncContext<ED extends EntityDict> implements Con
     mergeMultipleResults(toBeMerged: OperationResult<ED>[]): OperationResult<ED>;
     getCurrentTxnId(): string | undefined;
     getSchema(): import("../types").StorageSchema<ED>;
+    setMessage(message: string): void;
+    getMessage(): string | undefined;
     abstract isRoot(): boolean;
     abstract getCurrentUserId(allowUnloggedIn?: boolean): string | undefined;
     abstract toString(): string;

lib/store/AsyncRowStore.js

@@ -176,6 +176,12 @@ var AsyncContext = /** @class */ (function () {
     AsyncContext.prototype.getSchema = function () {
         return this.rowStore.getSchema();
     };
+    AsyncContext.prototype.setMessage = function (message) {
+        this.message = message;
+    };
+    AsyncContext.prototype.getMessage = function () {
+        return this.message;
+    };
     return AsyncContext;
 }());
 exports.AsyncContext = AsyncContext;

lib/store/CascadeStore.js

@@ -543,7 +543,7 @@ var CascadeStore = /** @class */ (function (_super) {
                 var _g = tslib_1.__read(relation, 2), entityOtm_1 = _g[0], foreignKey_2 = _g[1];
                 var otmOperations = data[attr];
                 var dealWithOneToMany = function (otm) {
-                    var _a, _b, _c, _d, _e;
+                    var _a, _b, _c, _d, _e, _f;
                     var actionOtm = otm.action, dataOtm = otm.data, filterOtm = otm.filter;
                     if (!foreignKey_2) {
                         // 基于entity/entityId的one-to-many
@@ -581,13 +581,25 @@ var CascadeStore = /** @class */ (function (_super) {
                             }
                         }
                         else {
-                            // 这里先假设A（必是update）的filter上一定有id，否则用户界面上应该设计不出来这样的操作
+                            // 这里优化一下，如果filter上有id，直接更新成根据entityId来过滤
-                            // 这个倒是好像不可能出现create/update的一对多，如果遇到了再完善
+                            // 除了性能原因之外，还因为会制造出user: { id: xxx }这样的查询，general中不允许这样查询的出现
+                            if (filter) {
+                                if (filter.id && Object.keys(filter).length === 1) {
+                                    Object.assign(otm, {
+                                        filter: (0, filter_1.addFilterSegment)({
+                                            entity: entity,
+                                            entityId: filter.id,
+                                        }, filterOtm),
+                                    });
+                                }
+                                else {
                                     Object.assign(otm, {
                                         filter: (0, filter_1.addFilterSegment)((_a = {},
                                             _a[entity] = filter,
                                             _a), filterOtm),
                                     });
+                                }
+                            }
                             if (action === 'remove' && actionOtm === 'update') {
                                 Object.assign(dataOtm, {
                                     entity: null,
@@ -634,20 +646,34 @@ var CascadeStore = /** @class */ (function (_super) {
                             }
                         }
                         else {
-                            // update可能出现上层filter不是根据id的（userEntityGrant的过期触发的wechatQrCode的过期，见general中的userEntityGrant的trigger）
+                            // 这里优化一下，如果filter上有id，直接更新成根据entityId来过滤
+                            // 除了性能原因之外，还因为会制造出user: { id: xxx }这样的查询，general中不允许这样查询的出现
+                            // 绝大多数情况都是id，但也有可能update可能出现上层filter不是根据id的（userEntityGrant的过期触发的wechatQrCode的过期，见general中的userEntityGrant的trigger）
+                            if (filter) {
+                                if (filter.id && Object.keys(filter).length === 1) {
                                     Object.assign(otm, {
                                         filter: (0, filter_1.addFilterSegment)((_d = {},
-                                    _d[foreignKey_2.slice(0, foreignKey_2.length - 2)] = filter,
+                                            _d[foreignKey_2] = filter.id,
                                             _d), filterOtm),
                                     });
+                                }
+                                else {
+                                    Object.assign(otm, {
+                                        filter: (0, filter_1.addFilterSegment)((_e = {},
+                                            _e[foreignKey_2.slice(0, foreignKey_2.length - 2)] = filter,
+                                            _e), filterOtm),
+                                    });
+                                }
+                            }
                             if (action === 'remove' && actionOtm === 'update') {
-                                Object.assign(dataOtm, (_e = {},
+                                Object.assign(dataOtm, (_f = {},
-                                    _e[foreignKey_2] = null,
+                                    _f[foreignKey_2] = null,
-                                    _e));
+                                    _f));
                             }
                         }
                     }
-                    beforeFns.push(function () { return cascadeUpdate.call(_this, entityOtm_1, otm, context, option2); });
+                    // 一对多的依赖应该后建，否则中间会出现空指针，导致checker等出错
+                    afterFns.push(function () { return cascadeUpdate.call(_this, entityOtm_1, otm, context, option2); });
                 };
                 if (otmOperations instanceof Array) {
                     try {

lib/store/modi.js

@@ -153,7 +153,8 @@ function createModiRelatedTriggers(schema) {
     var _loop_2 = function (entity) {
         var inModi = schema[entity].inModi;
         if (inModi) {
-            // 当关联modi的对象被删除时，对应的modi也删除
+            // 当关联modi的对象被删除时，对应的modi也删除。这里似乎只需要删除掉活跃对象？因为oper不能删除，所以oper和modi是必须要支持对deleted对象的容错？
+            // 这里没有想清楚，by Xc 20230209
             triggers.push({
                 name: "\u5F53\u5220\u9664".concat(entity, "\u5BF9\u8C61\u65F6\uFF0C\u5220\u9664\u76F8\u5173\u8054\u7684modi\u7684modiEntity"),
                 action: 'remove',
@@ -163,43 +164,42 @@ function createModiRelatedTriggers(schema) {
                 fn: function (_a, context, option) {
                     var operation = _a.operation;
                     return tslib_1.__awaiter(_this, void 0, void 0, function () {
-                        var data, id, _b, _c, _d, _e, _f, _g;
+                        var filter, _b, _c, _d, _e, _f, _g;
-                        var _h, _j;
+                        var _h, _j, _k, _l;
-                        return tslib_1.__generator(this, function (_k) {
+                        return tslib_1.__generator(this, function (_m) {
-                            switch (_k.label) {
+                            switch (_m.label) {
                                 case 0:
-                                    data = operation.data;
+                                    filter = operation.filter;
-                                    id = data.id;
                                     _c = (_b = context).operate;
                                     _d = ['modiEntity'];
                                     _h = {};
                                     return [4 /*yield*/, (0, uuid_1.generateNewIdAsync)()];
-                                case 1: return [4 /*yield*/, _c.apply(_b, _d.concat([(_h.id = _k.sent(),
+                                case 1: return [4 /*yield*/, _c.apply(_b, _d.concat([(_h.id = _m.sent(),
                                             _h.action = 'remove',
                                             _h.data = {},
                                             _h.filter = {
-                                                modi: {
+                                                modi: (_j = {},
-                                                    entity: entity,
+                                                    _j[entity] = filter,
-                                                    entityId: id,
+                                                    _j.iState = 'active',
-                                                },
+                                                    _j),
                                             },
                                             _h), { dontCollect: true }]))];
                                 case 2:
-                                    _k.sent();
+                                    _m.sent();
                                     _f = (_e = context).operate;
                                     _g = ['modi'];
-                                    _j = {};
+                                    _k = {};
                                     return [4 /*yield*/, (0, uuid_1.generateNewIdAsync)()];
-                                case 3: return [4 /*yield*/, _f.apply(_e, _g.concat([(_j.id = _k.sent(),
+                                case 3: return [4 /*yield*/, _f.apply(_e, _g.concat([(_k.id = _m.sent(),
-                                            _j.action = 'remove',
+                                            _k.action = 'remove',
-                                            _j.data = {},
+                                            _k.data = {},
-                                            _j.filter = {
+                                            _k.filter = (_l = {},
-                                                entity: entity,
+                                                _l[entity] = filter,
-                                                entityId: id,
+                                                _l.iState = 'active',
-                                            },
+                                                _l),
-                                            _j), { dontCollect: true }]))];
+                                            _k), { dontCollect: true }]))];
                                 case 4:
-                                    _k.sent();
+                                    _m.sent();
                                     return [2 /*return*/, 0];
                             }
                         });

lib/store/selection.js

@@ -150,7 +150,7 @@ function reinforceSelection(schema, entity, selection) {
     var projectionNodeDict = {};
     var checkProjectionNode = function (entity2, projectionNode) {
         var _a, _b, _c;
-        var necessaryAttrs = ['id', '$$createAt$$']; // 因有的页面依赖于其他页面的数据，因此默认的createAt的filter不一定会加上，为了保险起见在这里统一加上
+        var necessaryAttrs = ['id', '$$createAt$$']; // 有的页面依赖于其它页面取数据，有时两个页面的filter的差异会导致有一个加createAt，有一个不加，此时可能产生前台取数据不完整的异常。先统一加上
         for (var attr in projectionNode) {
             if (attr === '#id') {
                 (0, assert_1.default)(!projectionNodeDict[projectionNode[attr]], "projection\u4E2D\u7ED3\u70B9\u7684id\u6709\u91CD\u590D, ".concat(projectionNode[attr]));

lib/types/Aspect.d.ts

@@ -7,6 +7,7 @@ export interface Aspect<ED extends EntityDict, Cxt extends AsyncContext<ED>> {
 export interface AspectWrapper<ED extends EntityDict, Cxt extends AsyncContext<ED>, AD extends Record<string, Aspect<ED, Cxt>>> {
     exec: <T extends keyof AD>(name: T, params: Parameters<AD[T]>[0]) => Promise<{
         result: Awaited<ReturnType<AD[T]>>;
-        opRecords: OpRecord<ED>[];
+        opRecords?: OpRecord<ED>[];
+        message?: string | null;
     }>;
 }

lib/types/Auth.d.ts

@@ -61,7 +61,7 @@ export declare type AuthDef<ED extends EntityDict, T extends keyof ED> = {
     relationAuth?: CascadeRelationAuth<NonNullable<ED[T]['Relation']>>;
     actionAuth?: CascadeActionAuth<ED[T]['Action']>;
     cascadeRemove?: {
-        [E in (keyof ED | '@entity')]?: ActionOnRemove;
+        [E in (keyof ED | keyof ED[T]['Schema'] | '@entity')]?: ActionOnRemove;
     };
 };
 export declare type AuthDefDict<ED extends EntityDict> = {

lib/types/Connector.d.ts

@@ -7,7 +7,8 @@ import { OakException } from "./Exception";
 export declare abstract class Connector<ED extends EntityDict, BackCxt extends AsyncContext<ED>, FrontCxt extends SyncContext<ED>> {
     abstract callAspect(name: string, params: any, context: FrontCxt): Promise<{
         result: any;
-        opRecords: OpRecord<ED>[];
+        opRecords?: OpRecord<ED>[];
+        message?: string | null;
     }>;
     abstract getRouter(): string;
     abstract parseRequest(headers: IncomingHttpHeaders, body: any, store: AsyncRowStore<ED, BackCxt>): Promise<{

lib/utils/SimpleConnector.d.ts

@@ -2,7 +2,7 @@
 import { IncomingHttpHeaders } from "http";
 import { AsyncContext, AsyncRowStore } from '../store/AsyncRowStore';
 import { SyncContext } from '../store/SyncRowStore';
-import { Connector, EntityDict, OakException, OpRecord } from "../types";
+import { Connector, EntityDict, OakException } from "../types";
 export declare class SimpleConnector<ED extends EntityDict, BackCxt extends AsyncContext<ED>, FrontCxt extends SyncContext<ED>> extends Connector<ED, BackCxt, FrontCxt> {
     static ROUTER: string;
     private serverUrl;
@@ -11,7 +11,12 @@ export declare class SimpleConnector<ED extends EntityDict, BackCxt extends Asyn
     constructor(serverUrl: string, makeException: (exceptionData: any) => OakException<ED>, contextBuilder: (str: string | undefined) => (store: AsyncRowStore<ED, BackCxt>) => Promise<BackCxt>);
     callAspect(name: string, params: any, context: FrontCxt): Promise<{
         result: any;
-        opRecords: OpRecord<ED>[];
+        opRecords: any;
+        message: string | null;
+    } | {
+        result: ArrayBuffer;
+        message: string | null;
+        opRecords?: undefined;
     }>;
     getRouter(): string;
     parseRequest(headers: IncomingHttpHeaders, body: any, store: AsyncRowStore<ED, BackCxt>): Promise<{

lib/utils/SimpleConnector.js

@@ -31,7 +31,7 @@ var SimpleConnector = /** @class */ (function (_super) {
     }
     SimpleConnector.prototype.callAspect = function (name, params, context) {
         return tslib_1.__awaiter(this, void 0, void 0, function () {
-            var cxtStr, _a, contentType, body, response, err, _b, exception, result, opRecords;
+            var cxtStr, _a, contentType, body, response, err, message, responseType, _b, exception, result, opRecords, result;
             return tslib_1.__generator(this, function (_c) {
                 switch (_c.label) {
                     case 0:
@@ -52,6 +52,9 @@ var SimpleConnector = /** @class */ (function (_super) {
                             err = new types_1.OakExternalException("\u7F51\u7EDC\u8BF7\u6C42\u8FD4\u56DE\u5F02\u5E38\uFF0Cstatus\u662F".concat(response.status));
                             throw err;
                         }
+                        message = response.headers.get('oak-message');
+                        responseType = response.headers.get('Content-Type');
+                        if (!(responseType === null || responseType === void 0 ? void 0 : responseType.toLocaleLowerCase().match(/application\/json/i))) return [3 /*break*/, 3];
                         return [4 /*yield*/, response.json()];
                     case 2:
                         _b = _c.sent(), exception = _b.exception, result = _b.result, opRecords = _b.opRecords;
@@ -61,7 +64,18 @@ var SimpleConnector = /** @class */ (function (_super) {
                         return [2 /*return*/, {
                                 result: result,
                                 opRecords: opRecords,
+                                message: message,
                             }];
+                    case 3:
+                        if (!(responseType === null || responseType === void 0 ? void 0 : responseType.toLocaleLowerCase().match(/application\/octet-stream/i))) return [3 /*break*/, 5];
+                        return [4 /*yield*/, response.arrayBuffer()];
+                    case 4:
+                        result = _c.sent();
+                        return [2 /*return*/, {
+                                result: result,
+                                message: message,
+                            }];
+                    case 5: throw new Error("\u5C1A\u4E0D\u652F\u6301\u7684content-type\u7C7B\u578B".concat(responseType));
                 }
             });
         });
@@ -102,6 +116,9 @@ var SimpleConnector = /** @class */ (function (_super) {
                 result: result,
                 opRecords: context.opRecords,
             },
+            headers: {
+                'oak-message': context.getMessage(),
+            },
         };
     };
     SimpleConnector.prototype.serializeException = function (exception, headers, body) {

lib/utils/url.d.ts

@@ -0,0 +1 @@
+export declare function composeUrl(url: string, params: Record<string, any>): string;

lib/utils/url.js

@@ -0,0 +1,12 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.composeUrl = void 0;
+var url_1 = require("url");
+function composeUrl(url, params) {
+    var urlSp = new url_1.URLSearchParams(params);
+    if (url.includes('?')) {
+        return "".concat(url, "&").concat(urlSp);
+    }
+    return "".concat(url, "?").concat(urlSp);
+}
+exports.composeUrl = composeUrl;

package.json

@@ -1,6 +1,6 @@
 {
     "name": "oak-domain",
-    "version": "2.6.1",
+    "version": "2.6.2",
     "author": {
         "name": "XuChang"
     },

src/store/AsyncRowStore.ts

@@ -9,6 +9,7 @@ export abstract class AsyncContext<ED extends EntityDict> implements Context {
     opRecords: OpRecord<ED>[];
     private scene?: string;
     private headers?: IncomingHttpHeaders;
+    private message?: string;
     events: {
         commit: Array<() => Promise<void>>;
         rollback: Array<() => Promise<void>>;
@@ -128,6 +129,14 @@ export abstract class AsyncContext<ED extends EntityDict> implements Context {
         return this.rowStore.getSchema();
     }
 
+    setMessage(message: string) {
+        this.message = message;
+    }
+
+    getMessage() {
+        return this.message;
+    }
+
     abstract isRoot(): boolean;
 
     abstract getCurrentUserId(allowUnloggedIn?: boolean): string | undefined;

src/store/CascadeStore.ts

@@ -726,13 +726,25 @@ export abstract class CascadeStore<ED extends EntityDict & BaseEntityDict> exten
                             }
                         }
                         else {
-                            // 这里先假设A（必是update）的filter上一定有id，否则用户界面上应该设计不出来这样的操作
+                            // 这里优化一下，如果filter上有id，直接更新成根据entityId来过滤
-                            // 这个倒是好像不可能出现create/update的一对多，如果遇到了再完善
+                            // 除了性能原因之外，还因为会制造出user: { id: xxx }这样的查询，general中不允许这样查询的出现
+                            if (filter) {
+                                if (filter.id && Object.keys(filter).length === 1) {
+                                    Object.assign(otm, {
+                                        filter: addFilterSegment({
+                                            entity,
+                                            entityId: filter.id,
+                                        }, filterOtm),
+                                    });
+                                }
+                                else {
                                     Object.assign(otm, {
                                         filter: addFilterSegment({
                                             [entity]: filter,
                                         }, filterOtm),
                                     });
+                                }
+                            }
                             if (action === 'remove' && actionOtm === 'update') {
                                 Object.assign(dataOtm, {
                                     entity: null,
@@ -777,12 +789,25 @@ export abstract class CascadeStore<ED extends EntityDict & BaseEntityDict> exten
                             }
                         }
                         else {
-                            // update可能出现上层filter不是根据id的（userEntityGrant的过期触发的wechatQrCode的过期，见general中的userEntityGrant的trigger）
+                            // 这里优化一下，如果filter上有id，直接更新成根据entityId来过滤
+                            // 除了性能原因之外，还因为会制造出user: { id: xxx }这样的查询，general中不允许这样查询的出现
+                            // 绝大多数情况都是id，但也有可能update可能出现上层filter不是根据id的（userEntityGrant的过期触发的wechatQrCode的过期，见general中的userEntityGrant的trigger）
+                            if (filter) {
+                                if (filter.id && Object.keys(filter).length === 1) {
+                                    Object.assign(otm, {
+                                        filter: addFilterSegment({
+                                            [foreignKey]: filter.id,
+                                        }, filterOtm),
+                                    });
+                            }
+                            else {
                                 Object.assign(otm, {
                                     filter: addFilterSegment({
                                         [foreignKey.slice(0, foreignKey.length - 2)]: filter,
                                     }, filterOtm),
                                 });
+                            }
+                        }
                         if (action === 'remove' && actionOtm === 'update') {
                             Object.assign(dataOtm, {
                                 [foreignKey]: null,
@@ -791,7 +816,8 @@ export abstract class CascadeStore<ED extends EntityDict & BaseEntityDict> exten
                     }
                 }
 
-                    beforeFns.push(() => cascadeUpdate.call(this, entityOtm!, otm, context, option2));
+                // 一对多的依赖应该后建，否则中间会出现空指针，导致checker等出错
+                afterFns.push(() => cascadeUpdate.call(this, entityOtm!, otm, context, option2));
             };
 
             if (otmOperations instanceof Array) {

src/store/modi.ts

@@ -151,7 +151,8 @@ export function createModiRelatedTriggers<ED extends EntityDict & BaseEntityDict
     for (const entity in schema) {
         const { inModi } = schema[entity];
         if (inModi) {
-            // 当关联modi的对象被删除时，对应的modi也删除
+            // 当关联modi的对象被删除时，对应的modi也删除。这里似乎只需要删除掉活跃对象？因为oper不能删除，所以oper和modi是必须要支持对deleted对象的容错？
+            // 这里没有想清楚，by Xc 20230209
             triggers.push({
                 name: `当删除${entity}对象时，删除相关联的modi的modiEntity`,
                 action: 'remove',
@@ -159,16 +160,15 @@ export function createModiRelatedTriggers<ED extends EntityDict & BaseEntityDict
                 when: 'after',
                 priority: REMOVE_CASCADE_PRIORITY,
                 fn: async ({ operation }, context, option) => {
-                    const { data } = operation;
+                    const { filter } = operation;
-                    const { id } = data;
                     await context.operate('modiEntity', {
                         id: await generateNewIdAsync(),
                         action: 'remove',
                         data: {},
                         filter: {
                             modi: {
-                                entity,
+                                [entity]: filter,
-                                entityId: id,
+                                iState: 'active',
                             },
                         }
                     }, { dontCollect: true });
@@ -177,8 +177,8 @@ export function createModiRelatedTriggers<ED extends EntityDict & BaseEntityDict
                         action: 'remove',
                         data: {},
                         filter: {
-                            entity,
+                            [entity]: filter,
-                            entityId: id,
+                            iState: 'active',
                         }
                     }, { dontCollect: true });
                     return 0;

src/store/selection.ts

@@ -154,7 +154,7 @@ export function reinforceSelection<ED extends EntityDict>(schema: StorageSchema<
     const toBeAssignNode2: Record<string, string[]> = {};        // 用来记录在表达式中涉及到的结点
     const projectionNodeDict: Record<string, ED[keyof ED]['Selection']['data']> = {};
     const checkProjectionNode = (entity2: keyof ED, projectionNode: ED[keyof ED]['Selection']['data']) => {
-        const necessaryAttrs: string[] = ['id', '$$createAt$$'];    // 因有的页面依赖于其他页面的数据，因此默认的createAt的filter不一定会加上，为了保险起见在这里统一加上
+        const necessaryAttrs: string[] = ['id', '$$createAt$$']; // 有的页面依赖于其它页面取数据，有时两个页面的filter的差异会导致有一个加createAt，有一个不加，此时可能产生前台取数据不完整的异常。先统一加上
         for (const attr in projectionNode) {
             if (attr === '#id') {
                 assert(!projectionNodeDict[projectionNode[attr]!], `projection中结点的id有重复, ${projectionNode[attr]}`);

src/types/Aspect.ts

@@ -9,6 +9,7 @@ export interface Aspect<ED extends EntityDict, Cxt extends AsyncContext<ED>>{
 export interface AspectWrapper<ED extends EntityDict, Cxt extends AsyncContext<ED>, AD extends Record<string, Aspect<ED, Cxt>>>{
     exec: <T extends keyof AD>(name: T, params: Parameters<AD[T]>[0]) => Promise<{
         result: Awaited<ReturnType<AD[T]>>;
-        opRecords: OpRecord<ED>[];
+        opRecords?: OpRecord<ED>[];
+        message?: string | null;
     }>;
 };

src/types/Auth.ts

@@ -89,7 +89,7 @@ export type AuthDef<ED extends EntityDict, T extends keyof ED> = {
     relationAuth?: CascadeRelationAuth<NonNullable<ED[T]['Relation']>>;
     actionAuth?: CascadeActionAuth<ED[T]['Action']>;
     cascadeRemove?: {
-        [E in (keyof ED | '@entity')]?: ActionOnRemove;
+        [E in (keyof ED | keyof ED[T]['Schema'] | '@entity')]?: ActionOnRemove;
     }
 };
 

src/types/Connector.ts

@@ -8,7 +8,8 @@ import { OakException } from "./Exception";
 export abstract class Connector<ED extends EntityDict, BackCxt extends AsyncContext<ED>, FrontCxt extends SyncContext<ED>> {
     abstract callAspect(name: string, params: any, context: FrontCxt): Promise<{
         result: any;
-        opRecords: OpRecord<ED>[];
+        opRecords?: OpRecord<ED>[];
+        message?: string | null;
     }>;
 
     abstract getRouter(): string;

src/utils/SimpleConnector.ts

@@ -35,7 +35,7 @@ export class SimpleConnector<ED extends EntityDict, BackCxt extends AsyncContext
         this.contextBuilder = contextBuilder;
     }
 
-    async callAspect(name: string, params: any, context: FrontCxt): Promise<{ result: any; opRecords: OpRecord<ED>[]; }> {
+    async callAspect(name: string, params: any, context: FrontCxt) {
         const cxtStr = context.toString();
 
         const { contentType, body } = makeContentTypeAndBody(params);
@@ -53,11 +53,13 @@ export class SimpleConnector<ED extends EntityDict, BackCxt extends AsyncContext
             throw err;
         }
 
-        // todo 处理各种返回的格式
+        const message = response.headers.get('oak-message');
+        const responseType = response.headers.get('Content-Type');
+        if (responseType?.toLocaleLowerCase().match(/application\/json/i)) {
             const {
                 exception,
                 result,
-            opRecords
+                opRecords,
             } = await response.json();
     
             if (exception) {
@@ -66,8 +68,20 @@ export class SimpleConnector<ED extends EntityDict, BackCxt extends AsyncContext
             return {
                 result,
                 opRecords,
+                message,
             };
         }
+        else if (responseType?.toLocaleLowerCase().match(/application\/octet-stream/i)) {
+            const result = await response.arrayBuffer();
+            return {
+                result,
+                message,
+            };
+        }
+        else {
+            throw new Error(`尚不支持的content-type类型${responseType}`);
+        }
+    }
 
     getRouter(): string {
         return SimpleConnector.ROUTER;
@@ -97,6 +111,9 @@ export class SimpleConnector<ED extends EntityDict, BackCxt extends AsyncContext
                 result,
                 opRecords: context.opRecords,
             },
+            headers: {
+                'oak-message': context.getMessage(),
+            },
         };
     }
 

src/utils/url.ts

@@ -0,0 +1,9 @@
+import { URLSearchParams } from 'url';
+
+export function composeUrl(url: string, params: Record<string, any>) {
+    const urlSp = new URLSearchParams(params);
+    if (url.includes('?')) {
+        return `${url}&${urlSp}`;
+    }
+    return `${url}?${urlSp}`;
+}