换背景，印花single模式交互修改

src/component/HomePage/Generate.vue

@@ -49,7 +49,7 @@
 					<input
 						class="search_input"
 						@input="ifMaximumLength"
-						:placeholder="$t('Generate.inputContent1')"
+						:placeholder="(scene?.value == 'Slogan' && type_.type2 == 'Printboard')?isSloganHint:$t('Generate.inputContent1')"
 						:maxlength='inputShow?0:9999'
 						v-model="searchPictureName"
 						@keydown.enter="getgenerate()"
@@ -245,6 +245,7 @@ export default defineComponent({
 		let remGenerateTime:any = ref()
 		let styleRecommend:any = inject('styleRecommend')
 		let generateLevel2Type = ''
+		let isSloganHint:any = ref(' ')
         return {
             searchPictureName,
 			searchPictureSeed,
@@ -272,6 +273,7 @@ export default defineComponent({
 			remGenerateTime,
 			styleRecommend,
 			generateLevel2Type,
+			isSloganHint,
         };
     },
     data(prop) {
@@ -335,6 +337,17 @@ export default defineComponent({
 			this.workspace = newVal
 			this.upload.gender = newVal?.sexEnum?.name
 		},
+		scene:{
+			handler(newVal,oldVal){
+				if(this.type_.type2 == 'Printboard' && newVal.value == 'Slogan'){
+					let sloganType = ['Blue and Yellow Starry Night','Green Cthulhu','Red and yellow fire style','Cyberpunk style','City skyline buildings','Red maple leaves','Golden Sunflower','Emerald Jungle Canopy','Pink Sakura Blossom']
+					var randomNumber = Math.floor(Math.random() * sloganType.length);
+					this.isSloganHint = sloganType[randomNumber]
+				}else{
+					this.isSloganHint = ''
+				}
+			}
+		}
 		// moodboarList(newVal,oldVal){
 		// 	if(newVal.length>=1 || this.sketchboardList.length >= 2){
 		// 	}else{
@@ -428,7 +441,6 @@ export default defineComponent({
 					base64 = this.sketchboardList[0].imgUrl
 				}
 			}
-			let sloganType = ['Blue and Yellow Starry Night','Green Cthulhu','Red and yellow fire style','Cyberpunk style','City skyline buildings','Red maple leaves','Golden Sunflower','Emerald Jungle Canopy','Pink Sakura Blossom']
 			let sloganText = ''
 			sloganText = this.searchPictureName
 			if(this.upload.level1Type == "Sketchboard"){
@@ -439,8 +451,7 @@ export default defineComponent({
 			}else if(this.upload.level1Type == "Printboard"){
 				level2Type = this.scene?.value
 				if(level2Type == 'Slogan' && this.searchPictureName == ''){
-					var randomNumber = Math.floor(Math.random() * sloganType.length);
-					sloganText = sloganType[randomNumber]
+					sloganText = this.isSloganHint
 				}else if(level2Type == 'Pattern'){
 					sloganText = `${this.printModel.value},${sloganText}`
 				}