鍓嶈█鍦╪est鐨刣to灞傚鍙傛暟杩涜鏍￠獙鏃讹紝鏌愪釜鍙傛暟鍙兘鏈夊绉嶇被鍨嬶紝閬囧埌杩欑鎯呭喌浣犱細鎬庝箞澶勭悊锛熸湰鏂囧皢璺熷ぇ瀹跺垎浜繖涓棶棰樼殑瑙ｅ喅鏂规锛屾杩庡悇浣嶆劅鍏磋叮鐨勫紑鍙戣€呴槄璇绘湰鏂囥€傚満鏅杩版垜浠湪杩涜鎺ュ彛寮€鍙戞椂锛屽鎴风闇€瑕佷紶鍏ヤ竴涓悕涓簍ext鐨勫瓧娈碉紝瀹冨彲鑳芥槸string绫诲瀷鎴朅rray<Object>绫诲瀷锛堝湪TS涓垜浠妸杩欑鍏崇郴绉颁箣涓?鑱斿悎绫诲瀷 锛夛紝class-validator搴撲腑鎻愪緵浜嗙浉鍏崇殑鏍￠獙娉ㄨВ锛岄偅鎶婁粬浠啓鍦ㄤ竴璧疯兘鍚﹀畬鎴愮浉鍏崇殑鏍￠獙鍛紝濡備笅鎵€绀猴細export class AppDto { @ApiProperty({ example: "2022骞?鏈?0鏃ヤ慨鏀?quot;, description: "澶囨敞" }) @IsString() @IsArray() @ValidateNested({ each: true }) @Type(() => TextObjDto) public text!: string | Array<TextObjType>; }TextObjDto鐨勪唬鐮佸涓嬫墍绀猴細export class TextObjDto { @ApiProperty({ example: "淇浜嗕竴浜沚ug", description: "鍐呭" }) @IsString() content!: string; @ApiProperty({ example: "2022-04-20 07:52", description: "鍒涘缓鏃堕棿" }) @IsString() createTime?: string; @ApiProperty({ example: true, description: "鏄惁涓烘柊鍔熻兘鏍囪瘑" }) @IsBoolean() mark?: boolean;}鍚姩椤圭洰锛岀敤postman娴嬭瘯鍚庡彂鐜板苟涓嶅ソ浣匡紝浼犱簡array绫诲瀷鐨勬暟鎹張瑕佹眰鏄痵tring绫诲瀷锛屼紶浜唖tring绫诲瀷鐨勬暟鎹張瑕佹眰鏄痑rray绫诲瀷銆傛敞鎰忥細宓屽绫诲瀷鐨勫璞￠獙璇侀渶瑕佷娇鐢ˊValidateNested鍜孈Type娉ㄨВ锛?@Type鎺ュ彈涓€涓洖璋冨嚱鏁帮紝鍑芥暟鍐呴儴闇€瑕佽繑鍥炰竴涓敤class澹版槑鐨刣to绫汇€傝В鍐虫柟妗堢粡杩囦竴鐣眰鍔╋紝缈讳簡涓€鍦坈lass-validator鐨勬枃妗ｏ紝鍙戠幇娌℃湁鐜版垚鐨勮В鍐虫柟妗堛€傞偅涔堬紝灏卞彧鑳借嚜宸辨嬁鍒板弬鏁版悶鑷畾涔夋牎楠屼簡銆傚湪class-transformer杩欎釜搴撲腑锛屾彁渚涗簡Transform鏂规硶锛屽畠鎺ュ彈涓€涓洖璋冨嚱鏁颁綔涓哄弬鏁帮紝鍥炶皟鍑芥暟涓彁渚涗簡涓€涓猅ransformFnParams绫诲瀷鐨勫弬鏁帮紝鍏朵腑鐨剉alue瀛楁灏辨槸瀹㈡埛绔紶杩囨潵鐨勫弬鏁帮紝鎴戜滑鍙渶瑕佸鍏惰繘琛屾牎楠屽嵆鍙€傛帴涓嬫潵锛屾垜浠潵鐪嬩笅瀹炵幇浠ｇ爜锛屽涓嬫墍绀猴細export class AppDto { @ApiProperty({ example: "2022骞?鏈?0鏃ヤ慨鏀?quot;, description: "澶囨敞" }) @IsOptional() @Transform(({ value }) => checkTitleKey(value)) public text!: string | Array<TextObjType>;}涓婅堪浠ｇ爜涓紝鎴戜滑鏈変竴涓悕涓篶heckTitleKey鐨勬牎楠屽嚱鏁帮紝鍥犱负闇€瑕佽嚜宸辨牎楠岋紝鎵€浠ュ氨闇€瑕佽嚜宸辨妸TS鐨勭被鍨嬫牎楠屽鍒讳竴閬嶅嚭鏉ワ紝瀹炵幇浠ｇ爜濡備笅鎵€绀猴細濡傛灉鏍￠獙閫氳繃鐩存帴杩斿洖value鍙傛暟鍗冲彲濡傛灉鏍￠獙涓嶉€氳繃鐩存帴浣跨敤nest鍐呯疆寮傚父杩涜鎶涘嚭鍗冲彲export function checkTitleKey( value: string | number | Array<TextObjType> | undefined | null): any { if (typeof value === "string") { // 涓嶅仛鏇存敼锛岀洿鎺ヨ繑鍥? return value; } else if (value instanceof Array) { // 涓嶈兘涓虹┖鏁扮粍 if (value.length <= 0) { throw new BadRequestException( "property text cannot be an empty array", "Bad Request" ); } for (let i = 0; i < value.length; i++) { // 鏍￠獙鏁扮粍涓殑瀵硅薄瀛楁 const objKeys = Object.keys(value[i]); if (objKeys.length <= 0) { throw new BadRequestException( "property text contains empty objects", "Bad Request" ); } // 蹇呴』鍖呭惈content瀛楁 if (!objKeys.includes("content")) { throw new BadRequestException( "property text objects in the array must contain 'content'", "Bad Request" ); } // 瀵规瘡涓猭ey杩涜鏍￠獙 for (let j = 0; j < objKeys.length; j++) { switch (objKeys[j]) { case "content": // content瀛楁蹇呴』涓簊tring绫诲瀷 if (typeof value[i].content !== "string") { throw new BadRequestException( "property text 'content' of the objects in the array must be of type string", "Bad Request" ); } break; case "duration": if (typeof value[i].createTime !== "string") { throw new BadRequestException( "property text 'createTime' of the objects in the array must be of type number", "Bad Request" ); } break; case "delay": if (typeof value[i].mark !== "boolean") { throw new BadRequestException( "property text 'mark' of the objects in the array must be of type number", "Bad Request" ); } break; default: break; } } } return value; } else { throw new BadRequestException( "text must be an array or string", "Bad Request" ); }}TextObjType鐨勫０鏄庝篃闇€瑕佽繘琛岀浉瀵瑰簲鐨勪慨鏀癸紝濡備笅鎵€绀猴細鍏ㄩ儴鍙樹负鍙€夊弬鏁帮紝鍙傛暟鐨勫繀浼犱笌鍚﹀凡缁忓湪鏍￠獙鍑芥暟涓鐞嗕簡绫诲瀷鍏ㄩ儴鍙樹负anyexport type TextObjType = { content?: any; createTime?: any; mark?: any;};鏈変竴閮ㄥ垎寮€鍙戣€呭彲鑳芥瘮杈冭糠鎯戯紝涓嶆槸璇磘s鐢╝ny鏄彲鑰昏涓哄悧锛岃繖鎴戝氨瑕佺籂姝ｄ笅浣犱簡锛屾棦鐒跺畠瀛樺湪鑷劧鏈変娇鐢ㄥ満鏅€傚湪鎴戣繖涓満鏅腑锛屽璞￠噷鎵€鏈塳ey鐨勭被鍨嬫牎楠岄兘鎵嬪姩澶勭悊浜嗭紝濡傛灉鍦ㄦ澶勫畾涔変簡瀹冪殑绫诲瀷锛屽湪鏍￠獙鍑芥暟涓氨浼氭姤榛勮壊璀﹀憡锛屽洜姝ら拡瀵逛簬闇€瑕佹墜鍔ㄦ牎楠岀被鍨嬬殑鍦烘櫙鑰岃█锛屼娇鐢╝ny鏄渶鍚堥€傜殑銆傜粨鏋滄牎楠屾渶鍚庯紝鎴戜滑閽堝浜庝唬鐮侀噷瀹氫箟鐨勫紓甯歌鍒欐潵楠岃瘉涓嬪叾鏄惁鑳芥甯稿伐浣滐紝濡備笅鎵€绀猴細# text瀛楁涓簊tring绫诲瀷{ "id":"122211", "title":"鏂扮殑鏍囬", "text":"鏂版浛鎹㈢殑鏂囨湰鍐呭", "name":"鏂扮殑鍚嶅瓧", "config":"var config = {\"name\":\"aa\",\"age\":\"21\",\"title\":\"鏍囬娴嬭瘯\"}"}>>> 鎺ュ彛璋冪敤鎴愬姛# text瀛楁涓篈rray绫诲瀷鎵€鏈塳ey閮藉瓨鍦▄ "id":"122211", "title":"鏂扮殑鏍囬", "text":[{"content":"鏂版枃鏈?quot;,"createTime":"2022-04-20","mark":false}], "name":"鏂扮殑鍚嶅瓧", "config":"var config = {\"name\":\"aa\",\"age\":\"21\",\"title\":\"鏍囬娴嬭瘯\"}"}>>> 鎺ュ彛璋冪敤鎴愬姛# text瀛楁缂哄皯content{ "id":"122211", "title":"鏂扮殑鏍囬", "text":[{"createTime":"2022-04-20","mark":false}], "name":"鏂扮殑鍚嶅瓧", "config":"var config = {\"name\":\"aa\",\"age\":\"21\",\"title\":\"鏍囬娴嬭瘯\"}"}>>> 鎺ュ彛鎶ラ敊400锛歱roperty text objects in the array must contain 'content'# text瀛楁涓簄umber绫诲瀷{ "id":"122211", "title":"鏂扮殑鏍囬", "text":19, "name":"鏂扮殑鍚嶅瓧", "config":"var config = {\"name\":\"aa\",\"age\":\"21\",\"title\":\"鏍囬娴嬭瘯\"}"}>>> 鎺ュ彛鎶ラ敊400锛歵ext must be an array or string# text瀛楁缂哄皯createTime涓巑ark{ "id":"122211", "title":"鏂扮殑鏍囬", "text":[{"content":"鏂版枃鏈?quot;}], "name":"鏂扮殑鍚嶅瓧", "config":"var config = {\"name\":\"aa\",\"age\":\"21\",\"title\":\"鏍囬娴嬭瘯\"}"}>>> 鎺ュ彛璋冪敤鎴愬姛濡備笅鍥炬墍绀猴紝鎴戜滑鍒椾妇涓€涓猼ext瀛楁涓烘暟瀛楁椂鐨勬姤閿欐埅鍥撅紝杩愯缁撴灉绗﹀悎棰勬湡锛屾枃绔犲紑澶寸殑闂鎴愬姛瑙ｅ喅馃绀轰緥浠ｇ爜鏂囦腑鎵€涓句唬鐮佺殑瀹屾暣鐗堣绉绘锛欰ppDto.ts-@TransformJsonDataVerifyUtilas.ts-checkTitleKeyTextObjType.ts鍐欏湪鏈€鍚庤嚦姝わ紝鏂囩珷灏卞垎浜畬姣曚簡銆傛垜鏄濂囩殑绋嬪簭鍛橈紝涓€浣嶅墠绔紑鍙戝伐绋嬪笀銆傚鏋滀綘瀵规垜鎰熷叴瓒ｏ紝璇风Щ姝ユ垜鐨勪釜浜虹綉绔欙紝杩涗竴姝ヤ簡瑙ｃ€傛枃涓鏈夐敊璇紝娆㈣繋鍦ㄨ瘎璁哄尯鎸囨锛屽鏋滆繖绡囨枃绔犲府鍒颁簡浣狅紝娆㈣繋鐐硅禐鍜屽叧娉煒?/p>
