使用vue.js数据双向绑定的h5显示{{xxx}}的解决办法

在使用vue.js数据双向绑定时可能会遇见显示{{xxx}},这是由于绑定失败造成的。原因其实很简单,主要是引用的js顺序不对

。一定要记住、记住、记住(重要提醒说三遍)引用的vue.js要在声明vue的js的前边,声明vue的js要紧挨这body内容,不能放置到前边。

 


<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>xxxxx</title>
    <script src="./vue.js"></script>
    <!--放置在这里或者下面都行,但是要求必须在声明vue的js前边,负责会显示{{}} -->
    <!-- <script src="./javascript/index.js"></script>错误位置,不能在此处,声明vue的js需要放置在紧挨body内容后面,负责会显示{{}} -->
</head>

<body>
    <div id='app'>
        <div class="head-location">
            <p>{{locationMessage}}</p>
        </div>
        <div class="head-location" v-for='item in test'>
            <p>{{item}}</p>
        </div>
    </div>
    <!-- <script src="./javascript/lib/vue.js"></script> OK,放置在此可以-->
    <!-- <script src="./vue.js"></script> -->
    <script src="./javascript/index.js"></script>
    <!--<script src="./vue.js"></script>错误,放置在这里会显示{{}} -->
</body>

</html>

index.js

var vm = new Vue({
    el: "#app",
    data: {
        previewLookImgArr: ["./image/bg_01.png",
            "./image/bg_02.png",
            "./image/bg_03.png",
            "./image/fabu01.png",
            "./image/fahuo01.png",
            "./image/tiajia01.png",
        ],
        test: [23, 33, 344, 4553, 34, 44],
        jingdu: "12651558.14",
        weidu: "4106269.36",
        locationMessage: "正在定位中...",
        historyTrack: []

    },
  }

})

 

 

vue.runtime.esm.js:4664 [Vue warn]: Avoid adding reactive properties to a Vue instance or its root $data at runtime - declare it upfront in the data option. warn @ vue.runtime.esm.js:4664 set @ vue.runtime.esm.js:1060 startReadAloud @ index.js??clonedRuleSet-40.use[0]!./node_modules/@vue/vue-loader-v15/lib/index.js??vue-loader-options!./src/views/h5/TourRouteMap.vue?vue&type=script&lang=js:579 navigateTo @ index.js??clonedRuleSet-40.use[0]!./node_modules/@vue/vue-loader-v15/lib/index.js??vue-loader-options!./src/views/h5/TourRouteMap.vue?vue&type=script&lang=js:535 click @ index.js??clonedRuleSet-40.use[0]!./node_modules/@vue/vue-loader-v15/lib/loaders/templateLoader.js??ruleSet[1].rules[3]!./node_modules/@vue/vue-loader-v15/lib/index.js??vue-loader-options!./src/views/h5/TourRouteMap.vue?vue&type=template&id=4f502143&scoped=true:53 invokeWithErrorHandling @ vue.runtime.esm.js:3074 invoker @ vue.runtime.esm.js:1876 original_1._wrapper @ vue.runtime.esm.js:7535 4.26/:150 [esri.views.3d.layers.graphics.Graphics3DCore] Graphic in layer 198c009dfe4-layer-6 has no geometry and will not render m._consoleWriter @ 4.26/:150 m._log @ 4.26/:149 m.warn @ 4.26/:148 Ca._getRenderingInfo @ SceneView.js:10864 Ca._addImmediate @ SceneView.js:10850 Ca.add @ SceneView.js:10849 Ca._graphicsCollectionChanged @ SceneView.js:10834 (anonymous) @ SceneView.js:10815 u @ 4.26/:1614 G._dispatchChange @ 4.26/:81 (anonymous) @ 4.26/:76 r @ 4.26/:187 (anonymous) @ 4.26/:190 index.js??clonedRuleSet-40.use[0]!./node_modules/@vue/vue-loader-v15/lib/index.js??vue-loader-options!./src/components/MapComponentTour.vue?vue&type=script&lang=js:1688 Uncaught TypeError: this.graphicsLayerCompanion.refresh is not a function at eval (index.js??clonedRuleSet-40.use[0]!./node_modules/@vue/vue-loader-v15/lib/index.js??vue-loader-options!./src/components/MapComponentTour.vue?vue&type=script&lang=js:1688:37)
08-20
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