vue-router實現組件間的跳轉---參數傳遞

時間 2019-12-14

標籤 vue router 實現組件參數傳遞简体版

原文原文鏈接

4、經過VueRouter來實現組件之間的跳轉：參數的傳遞html

①明確發送方和接收方
②配置接收方的路由地址
{path:'/myTest',component:TestComponent}
-->
{path:'/myTest/:id',component:TestComponent}
③接收方獲取傳遞來的數據
this.$route.params.id
④跳轉的時候，發送參數
this.$router.push('/myTest/20')
<router-link :to="'/myTest'+id">跳轉</router-link>vue-router

<!doctype html>
<html>
 <head>
  <meta charset="UTF-8">
  <title>傳參</title>
    <script src="js/vue.js"></script>
    <script src="js/vue-router.js"></script>
 </head>
 <body>
  <div id="container">
        <p>{{msg}}</p>
        <!--指定容器  -->
        <router-view></router-view>
    </div>
    <script>
    //建立主頁面組件
        var myMain = Vue.component("main-component",{
            //保存登陸傳遞過來的數據
            data:function(){
        return {
          uName:''
        }
      },
            template:`
                <div>
                    <h1>主頁面用戶名:{{uName}}</h1>
                </div>
            `,
            //掛載該組件時自動拿到數據
            beforeMount:function(){
                //接收參數
                console.log(this.$route.params);
                this.uName = this.$route.params.myName ;
            }
        })
        //建立登陸頁面組件
        var myLogin = Vue.component("login-component",{
            //保存用戶輸入的數據
            data:function(){
                return {
                    userInput:""
                }
            },
            methods:{
                toMain:function(){
                    //跳轉到主頁面，並將用戶輸入的名字發送過去
                    this.$router.push("/main/"+this.userInput);
                    console.log(this.userInput);
                }
            },
            template:`
                <div>
                    <h1>登陸頁面</h1>
                    <input type="text" v-model="userInput" placeholder="請輸入用戶名">
                    <button @click="toMain">登陸到主頁面</button>
                    <br>
                    <router-link :to="'/main/'+userInput">登陸到主頁面</router-link>
                </div>
            `
        })
        var NotFound = Vue.component("not-found",{
            template:`
                <div>
                    <h1>404 Page Not Found</h1>
                    <router-link to="/login">返回登陸頁</router-link>
                </div>
            `
        })
        //配置路由詞典
        const myRoutes = [
            {path:"",component:myLogin},
            {path:"/login",component:myLogin},
                //注意冒號,不用/不然會當成地址
            {path:"/main/:myName",component:myMain},
            //沒有匹配到任何頁面則跳轉到notfound頁面
            {path:"*",component:NotFound}
        ]
        const myRouter = new VueRouter({
            routes:myRoutes
        })
        new Vue({
            router:myRouter,
            el:"#container",
            data:{
                msg:"Hello VueJs"
            }
        })
//    注意,路由地址
    </script>
 </body>
</html>

<!doctype html>
<html>
 <head>
  <meta charset="UTF-8">
  <title>傳參練習</title>
    <script src="js/vue.js"></script>
    <script src="js/vue-router.js"></script>
 </head>
 <body>
  <div id="container">
        <p>{{msg}}</p>
<!--  -->
        <router-view></router-view>
    </div>
    <script>
//建立產品列表組件
        var myList = Vue.component("product-list",{
            //保存產品列表的數據
            data:function(){
                return{
                    productList:["蘋果","華爲","三星","小米","vivo"]
                }
            },
            template:`
                <div>
                    <h4>這是列表頁</h4>
                    <ul>
                        <li v-for="(tmp,index) in productList">
                        //將index傳遞過去
                            <router-link v-bind:to="'/detail/'+index">{{tmp}}</router-link>
                        </li>
                    </ul>
                </div>
            `
        })
//詳情頁組件    
        var myDetail = Vue.component("product-detail",{
            //保存傳遞過來的index
            data:function(){
                return{
                    myIndex:""
                }
            },
            //在掛載完成後,將接收到的index賦值給myIndex
            mounted:function(){
                    this.myIndex = this.$route.params.id;
            },
            template:`
                <div>
                    <h4>這是詳情頁</h4>
                    <p>這是id爲：{{myIndex}}的產品</p>
                </div>
            `
        })
//頁面找不到的時候
        var NotFound = Vue.component("not-found",{
            template:`
                <div>
                    <h1>404 Page Not Found</h1>
                </div>
            `
        })
//    配置路由詞典
        const myRoutes = [
            {path:"",component:myList},
            {path:"/list",component:myList},
            {path:"/detail/:id",component:myDetail},
            {path:"*",component:NotFound},
        ]
        const myRouter = new VueRouter({
            routes:myRoutes
        })
        new Vue({
            router:myRouter,
            el:"#container",
            data:{
                msg:"Hello VueJs"
            }
        })
    </script>
 </body>
</html>

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