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        一文詳解Vue+flex布局實現TV端城市列表
                         
        
			
                          
        
				2023-01-21
												分類：編程知識
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        本篇文章給大家帶來了關于Vue布局的相關知識，其中主要給大家總結介紹Vue是怎么利用flex布局來實現TV端城市列表效果的，非常全面詳細，下面一起來看一下，希望對需要的朋友有所幫助。
        

        

        Vue利用flex布局實現TV端城市列表
        

        vue中城市列表和搜索很常見，這篇博客就來說說咋實現搜索和城市列表
        

        1.實現搜索布局代碼：
        

        

        <div class="search-bar">   <input class="search-input" v-model="citySearchResult" :placeholder="searchDefault" :key="searchTitle"          @endEditing="endEditing" :focusable="true" ref="searchInput" :duplicateParentState="true"          :enableFocusBorder="true"/>   <img class="index-root-search-image-view-css" :src="searchIcon">   <span class="index-root-search-text-view-css" ref="textViewCity">{{searchDefaultKeyWord}}</span> </div>
        

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        2.搜索布局css樣式代碼：
        

        

        .search-bar-root {   display: flex;   flex-direction: column;   align-items: center;   justify-content: center;   margin-top: 140px; }.index-root-search-title-css {   flex-direction: column;   align-items: center;   justify-content: center;   margin-bottom: 40px; }.search-bar-root .search-bar {   background-color: #ffffff;   width: 1000px;   height: 100px;   display: flex;   justify-content: center;   border-radius: 8px; }.search-input {   width: 780px;   border-radius: 8px;   font-size: 36px;   font-family: PingFangSC-Regular, PingFang SC;   font-weight: 400;   color: #000000;   margin-left: 40px;   text-indent: 40px; }.index-root-search-image-view-css {   position: absolute;   width: 32px;   height: 32px;   top: 35px;   bottom: 35px;   right: 0;   margin-right: 102px;   text-align: center; }.index-root-search-flex-view-css {   display: flex;   flex-wrap: wrap;   flex-direction: row;   width: 1450px;   margin-left: 245px;   margin-right: 245px;   margin-top: 40px; }.index-root-search-text-view-css {   font-size: 30px;   font-family: PingFangSC-Regular, PingFang SC;   color: #000000;   text-align: center;   font-weight: 400;   top: 0;   bottom: 0;   right: 0;   position: absolute;   margin-right: 30px; }.index-root-search-title-text-view-css {   font-size: 70px;   font-family: PingFangSC-Regular, PingFang SC;   color: #ffffff;   text-align: center;   opacity: 1.0; }.search-city-button-view-css {   width: 270px;   height: 100px;   background-color: rgba(0, 0, 0, .1);   margin-right: 20px;   margin-top: 40px;   border-radius: 11px;   border-width: 2px;   border-color: rgba(255, 255, 255, 0.1);   focus-background-color: #fff; }.search-city-button-view-css .city-sel-box {   border-width: 2px;   border-color: #32C5FF; }
        

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        3.城市列表布局代碼：
        

        

        <div class="index-root-search-flex-view-css" :clipChildren="false" ref="citySearch">   <div class="search-city-button-view-css"        v-for="(item,cityId) in hotCity" :focusable="true"        :key="cityId"        :ref="`hotRef${cityId}`" @focus="onFocus" :clipChildren="false">     <div class="icon-location-reactive" ref="searchLocation" :duplicateParentState="true" style="visibility: visible;margin-right: 20px" v-if="showHot && cityId===0">       <img src="@/assets/location.png" alt="" class="icon-location" showOnState="normal">       <img src="@/assets/location_hot_focus.png" alt="" class="icon-location" showOnState="focused">     </div>     <span class="search-city-hot-text-iew-css" :duplicateParentState="true" showOnState="focused"           ref="searchHotSelected"           :style="{focusColor: focusHotTextColor,fontSize: textFontSize,fontWeight: textFontWeight,}">{{item.cityName}}</span>   </div>
        

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        4.城市列表css樣式代碼：
        

        

        .index-root-search-flex-view-css {   display: flex;   flex-wrap: wrap;   flex-direction: row;   width: 1450px;   margin-left: 245px;   margin-right: 245px;   margin-top: 40px; }.index-root-search-text-view-css {   font-size: 30px;   font-family: PingFangSC-Regular, PingFang SC;   color: #000000;   text-align: center;   font-weight: 400;   top: 0;   bottom: 0;   right: 0;   position: absolute;   margin-right: 30px; }.index-root-search-title-text-view-css {   font-size: 70px;   font-family: PingFangSC-Regular, PingFang SC;   color: #ffffff;   text-align: center;   opacity: 1.0; }.search-city-button-view-css {   width: 270px;   height: 100px;   background-color: rgba(0, 0, 0, .1);   margin-right: 20px;   margin-top: 40px;   border-radius: 11px;   border-width: 2px;   border-color: rgba(255, 255, 255, 0.1);   focus-background-color: #fff; }.search-city-button-view-css .city-sel-box {   border-width: 2px;   border-color: #32C5FF; }.icon-location-reactive {   position: absolute;   width: 26px;   height: 34px;   margin-left: 60px;   margin-top: 30px;   margin-bottom: 30px; }.icon-location {   width: 26px;   height: 34px;   position: absolute;   left: 0;   top: 0;   z-index: 9; }.search-city-hot-text-iew-css {   width: 270px;   height: 100px;   background-color: rgba(50, 197, 255, 0.1);   border-radius: 11px;   border: 2px solid #32C5FF;   font-size: 36px;   font-family: PingFangSC-Regular, PingFang SC;   text-align: center;   color: white; }.search-city-empty {   margin-top: 40px;   width: 425px;   display: flex;   align-items: center;   justify-content: center;   flex-direction: column;   margin-left: 535px; }.search-city-empty .icon-no-connect {   width: 425px;   height: 307px; }.search-city-empty .empty-txt {   font-size: 32px;   font-family: PingFangSC-Light, PingFang SC;   font-weight: 300;   color: #FFFFFF;   margin-top: 60px; }
        

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        5.城市列表獲取焦點的事件：
        

        主要是在div設置:focusable="true"和@focus="onFocus"
        

        

        <div class="search-city-button-view-css"              v-for="(item,cityId) in hotCity" :focusable="true"              :key="cityId"              :ref="`hotRef${cityId}`" @focus="onFocus" :clipChildren="false">           <div class="icon-location-reactive" ref="searchLocation" :duplicateParentState="true" style="visibility: visible;margin-right: 20px" v-if="showHot && cityId===0">             <img src="@/assets/location.png" alt="" class="icon-location" showOnState="normal">             <img src="@/assets/location_hot_focus.png" alt="" class="icon-location" showOnState="focused">  </div>
        

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        6.設置焦點背景顏色和字體效果：
        

        主要是設置:duplicateParentState="true"當文本獲得焦點時顏色不受父布局影響，還可以設置焦點放大和帶邊框效果
        

        

        :enableFocusBorder="true"//設置獲得焦點時的邊框 :focusScale="1.0"//設置焦點放大時的倍數
        

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        焦點效果的樣式：:style="{focusColor: focusHotTextColor,fontSize: textFontSize,fontWeight: textFontWeight,}
        

        

        <span class="search-city-hot-text-iew-css" :duplicateParentState="true" showOnState="focused"       ref="searchHotSelected"       :style="{focusColor: focusHotTextColor,fontSize: textFontSize,fontWeight: textFontWeight,}">{{item.cityName}}</span>
        

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        7.搜索框輸入事件：
        

        

        //輸入內容之后請求城市列表接口刷新數據 endEditing(e) {   console.log("--resultData--", this.citySearchResult) },
        

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        8.搜索框獲取焦點的事件：
        

        

        onFocus(e) {   this.focused = e.isFocused;   this.$emit("onButtonFocused", e.isFocused); },
        

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        9.默認彈出TV軟鍵盤：
        

        

        mounted() {   this.hotCity = hotCity;   this.showHot = true;   this.pageLoading = true   //彈出軟鍵盤   this.$refs.searchInput.focus()   //搜索框默認獲取焦點   this.setHideLoading() },
        

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        10.完整代碼如下：
        

        

        <template>   <div class="index-root-search-view-css" :clipChildren="false">     <img class="search-background-view-css" :src="searchImageData"/>     <div class="search-bar-root">       <div class="index-root-search-title-css">         <span class="index-root-search-title-text-view-css"> {{ searchTitle }}</span>       </div>       <div class="search-bar">         <input class="search-input" v-model="citySearchResult" :placeholder="searchDefault" :key="searchTitle"                @endEditing="endEditing" :focusable="true" ref="searchInput" :duplicateParentState="true"                :enableFocusBorder="true"/>         <img class="index-root-search-image-view-css" :src="searchIcon">         <span class="index-root-search-text-view-css" ref="textViewCity">{{searchDefaultKeyWord}}</span>       </div>       <div class="index-root-search-flex-view-css" :clipChildren="false" ref="citySearch">         <div class="search-city-button-view-css"              v-for="(item,cityId) in hotCity" :focusable="true"              :key="cityId"              :ref="`hotRef${cityId}`" @focus="onFocus" :clipChildren="false">           <div class="icon-location-reactive" ref="searchLocation" :duplicateParentState="true" style="visibility: visible;margin-right: 20px" v-if="showHot && cityId===0">             <img src="@/assets/location.png" alt="" class="icon-location" showOnState="normal">             <img src="@/assets/location_hot_focus.png" alt="" class="icon-location" showOnState="focused">           </div>           <span class="search-city-hot-text-iew-css" :duplicateParentState="true" showOnState="focused"                 ref="searchHotSelected"                 :style="{focusColor: focusHotTextColor,fontSize: textFontSize,fontWeight: textFontWeight,}">{{item.cityName}}</span>         </div>         <div class="search-city-empty" v-if="hotCity.length === 0">           <img src="@/assets/no_content.png" alt="" class="icon-no-connect"/>           <p class="empty-txt">沒有搜索結果~</p>         </div>       </div>     </div>     <loading-view         style="width: 100px;height: 100px;position: absolute;left:960px;right:960px;top:500px;bottom:500px;align-self:         center;align-items: center;justify-content: center" v-show="pageLoading"/>   </div></template><script>import searchImage from "@/assets/search_focus.png";import searchBackGroundImage from "@/assets/index-bg-qing.jpg";import {hotCity} from '@/views/contsants';import {ESLaunchManager} from "@extscreen/es-core";export default {   name: "city_list",   props: {     searchKeyWord: {       type: String,       default: '',     },     focusTextColor: {       type: String,       default: '#000000'     },     focusHotTextColor: {       type: String,       default: '#00EFFF'     },     textColor: {       type: String,       default: '#FFFFFF'     },     textFontSize: {       type: String,       default: '30px'     },     textFontWeight: {       type: Number,       default: 400     },     focusBackground: {       orientation: 'TL_BR',//TOP_BOTTOM,TR_BL, RIGHT_LEFT, BR_TL, BOTTOM_TOP,BL_TR,LEFT_RIGHT,TL_BR,       cornerRadius: [40, 40, 40, 40],       normal: ['#00000000', '#00000000'],       focused: ['#F5F5F5', '#F5F5F5'],     },   },   data() {     return {       pageLoading: false,       text: 'search city',       search: '',       searchIcon: searchImage,       searchImageData: searchBackGroundImage,       searchTitle: "切換城市",       searchDefaultKeyWord: '搜索',       searchDefault: '請輸入城市名稱首字母或全拼',       focusColor: '#f5f5f5',       citySearchResult: "",       hotCity: [],       cityName: "",       cityId: "",       showHot: true,       params: '',     }   },   activated() {   },   deactivated() {     this.resetModel()   },   mounted() {     this.hotCity = hotCity;     this.showHot = true;     this.pageLoading = true     //彈出軟鍵盤     this.$refs.searchInput.focus()     //搜索框默認獲取焦點     this.setHideLoading()   },   methods: {     setHideLoading() {       setTimeout(() => {         this.pageLoading = false       }, 500)     },     onFocus(e) {       this.focused = e.isFocused;       this.$emit("onButtonFocused", e.isFocused);     },     //輸入內容之后請求城市     endEditing(e) {       console.log("--resultData--", this.citySearchResult)     },     onBackPressed() {       ESLaunchManager.finishESPage();     },     resetModel() {       this.citySearchResult = "";       this.hotCity = [];       this.pageLoading = false;       this.searchTitle = "";       this.searchDefaultKeyWord = "";       this.searchDefault = "";     },   } }</script><style scoped>.index-root-search-view-css {   width: 1920px;   height: 1080px;   background-color: transparent; }.search-background-view-css {   position: absolute;   left: 0;   top: 0;   right: 0;   bottom: 0;   background-color: transparent; }.search-bar-root {   display: flex;   flex-direction: column;   align-items: center;   justify-content: center;   margin-top: 140px; }.index-root-search-title-css {   flex-direction: column;   align-items: center;   justify-content: center;   margin-bottom: 40px; }.search-bar-root .search-bar {   background-color: #ffffff;   width: 1000px;   height: 100px;   display: flex;   justify-content: center;   border-radius: 8px; }.search-input {   width: 780px;   border-radius: 8px;   font-size: 36px;   font-family: PingFangSC-Regular, PingFang SC;   font-weight: 400;   color: #000000;   margin-left: 40px;   text-indent: 40px; }.index-root-search-image-view-css {   position: absolute;   width: 32px;   height: 32px;   top: 35px;   bottom: 35px;   right: 0;   margin-right: 102px;   text-align: center; }.index-root-search-flex-view-css {   display: flex;   flex-wrap: wrap;   flex-direction: row;   width: 1450px;   margin-left: 245px;   margin-right: 245px;   margin-top: 40px; }.index-root-search-text-view-css {   font-size: 30px;   font-family: PingFangSC-Regular, PingFang SC;   color: #000000;   text-align: center;   font-weight: 400;   top: 0;   bottom: 0;   right: 0;   position: absolute;   margin-right: 30px; }.index-root-search-title-text-view-css {   font-size: 70px;   font-family: PingFangSC-Regular, PingFang SC;   color: #ffffff;   text-align: center;   opacity: 1.0; }.search-city-button-view-css {   width: 270px;   height: 100px;   background-color: rgba(0, 0, 0, .1);   margin-right: 20px;   margin-top: 40px;   border-radius: 11px;   border-width: 2px;   border-color: rgba(255, 255, 255, 0.1);   focus-background-color: #fff; }.search-city-button-view-css .city-sel-box {   border-width: 2px;   border-color: #32C5FF; }.icon-location-reactive {   position: absolute;   width: 26px;   height: 34px;   margin-left: 60px;   margin-top: 30px;   margin-bottom: 30px; }.icon-location {   width: 26px;   height: 34px;   position: absolute;   left: 0;   top: 0;   z-index: 9; }.search-city-hot-text-iew-css {   width: 270px;   height: 100px;   background-color: rgba(50, 197, 255, 0.1);   border-radius: 11px;   border: 2px solid #32C5FF;   font-size: 36px;   font-family: PingFangSC-Regular, PingFang SC;   text-align: center;   color: white; }.search-city-empty {   margin-top: 40px;   width: 425px;   display: flex;   align-items: center;   justify-content: center;   flex-direction: column;   margin-left: 535px; }.search-city-empty .icon-no-connect {   width: 425px;   height: 307px; }.search-city-empty .empty-txt {   font-size: 32px;   font-family: PingFangSC-Light, PingFang SC;   font-weight: 300;   color: #FFFFFF;   margin-top: 60px; }</style>
        

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        11.實現的效果截圖如下：
        

        一文詳解Vue+flex布局實現TV端城市列表
        

        一文詳解Vue+flex布局實現TV端城市列表
        

        
		
        
								            
        
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