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things/nest-typeorm/src/entities/decorators/base.ts

@@ -9,6 +9,7 @@ import {
   IsNotEmpty,
   IsOptional,
   IsString,
+  MaxLength,
   Min,
 } from 'class-validator';
 import { ColumnWithWidthOptions } from 'typeorm/decorator/options/ColumnWithWidthOptions';
@@ -41,6 +42,7 @@ export const StringColumn = (
       length,
       default: defaultValue,
       nullable: !required && defaultValue == null,
+      comment: description,
       ...columnExtras,
     }),
     ApiProperty({
@@ -48,11 +50,13 @@ export const StringColumn = (
       description,
       default: defaultValue,
       required: required && defaultValue == null,
+      maxLength: length,
       ...propertyExtras,
     }),
     ...(required ? [] : [IsOptional()]),
     IsString(),
     IsNotEmpty(),
+    MaxLength(length),
   ]);
 
 export const IntColumn = (
@@ -69,6 +73,7 @@ export const IntColumn = (
       default: defaultValue,
       nullable: !required && defaultValue == null,
       unsigned,
+      comment: description,
       ...(type === 'bigint' ? { transformer: new BigintTransformer() } : {}),
       ...columnExtras,
     }),
@@ -98,6 +103,7 @@ export const EnumColumn = <T>(
       enum: targetEnum,
       default: defaultValue,
       nullable: !required && !defaultValue,
+      comment: description,
       ...columnExtras,
     }),
     ApiProperty({

things/nest-typeorm/src/entities/decorators/relation.ts

@@ -18,6 +18,7 @@ export const RelationColumn = (
       nullable: !notNull,
       unsigned: true,
       transformer: new BigintTransformer(),
+      comment: description,
       ...columnExtras,
     }),
     ApiProperty({
@@ -30,7 +31,6 @@ export const RelationColumn = (
     IsInt(),
     IsPositive(),
   ]);
-  
 export const StringRelationColumn = (
   description = '对应编号',
   notNull = false,
@@ -38,7 +38,12 @@ export const StringRelationColumn = (
   propertyExtras: ApiPropertyOptions = {},
 ) =>
   MergePropertyDecorators([
-    Column('varchar', { length: 32, nullable: !notNull, ...columnExtras }),
+    Column('varchar', {
+      length: 32,
+      nullable: !notNull,
+      comment: description,
+      ...columnExtras,
+    }),
     ApiProperty({
       type: String,
       required: notNull,