uni-app 之 vue语法

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--- v-html 字符 ---

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<template>
    <view>
        
        <view>{{title}}</view>
 
        --- v-html 字符 ---
        <view>{{title2}}</view>
        <view v-html="title2"></view>
 
 
        <view>{{arr}}</view>
        <view>{{arr[2]}}</view>
        
        <view>{{obj}}</view>
        <view>{{obj.name}}</view>
        
    </view>
</template>
 
<script>
    export default {
        data() {
            return {
                title:"test測試",
                title2: "
test測試
test測試",
                arr:["aa","bb","cc"],
                obj:{name:"張三",age:22}
            }
        }
    }
</script>
 
<style>
</style>

---

---

判断 v-if，v-else-if，v-else

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    <view v-if="xiao==1">嘎嘎</view>
    <view v-else-if="xiao==2">嘻嘻</view>
    <view v-else-if="xiao==3">哈哈</view>
    <view v-else>呱呱</view>

---

---

循环列表

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<template>
    <view>
 
        --- 循環1 ---
        <view v-for="item in arr">{{item}}</view>
 
        --- 循環2 ---
        <view v-for="(item,index) in arr">
            <view>{{(index+1)+"拼接"+item}}</view>
        </view>
 
        --- 循環3 ---
        <view v-for="(value,name,index) in obj">
            <view>
                {{index}} - {{name}} - {{value}}
            </view>
        </view>
        
        --- 循環4 不加key在有些平台会异常，這是唯一标识 ---
        <view v-for="(item) in goods" :key="item.id">
            <view>商品：{{item.title}} - 價格：{{item.price}}</view>
        </view>
        
    </view>
</template>
 
<script>
    export default {
        data() {
            return {
                arr: ["aa", "bb", "cc"],
                obj: {
                    name: "張三",
                    age: 22
                },
 
                xiao: 2,
 
                goods: [{
                        id: 11,
                        title: "蘋果",
                        price: 2.5
                    },
                    {
                        id: 12,
                        title: "鴨梨",
                        price: 2
                    },
                    {
                        id: 13,
                        title: "蟠桃",
                        price: 3
                    }
                ]
            }
        }
    }
</script>
 
<style>
</style>