已更新至父组件访问子组件（$children/$refs）

2022-11-02 19:22:19 +08:00 · 2022-11-02 19:22:19 +08:00 · e037f010f1
parent 1333e767f1
commit e037f010f1
2 changed files with 96 additions and 0 deletions
--- a/10-组件化开发/08-父子组件的访问/父组件访问子组件$children.html
+++ b/10-组件化开发/08-父子组件的访问/父组件访问子组件$children.html
@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Document</title>
+</head>
+<body>
+  <div id="app">
+    <apps></apps>
+    <button @click="Clickme()">点击我</button>
+  </div>
+  <template id="tpl">
+    <div>
+      <h1>这是子组件</h1>
+    </div>
+  </template>
+</body>
+<script src="../../../JavaScript/vue.js"></script>
+<script>
+  new Vue({
+    el:"#app",
+    methods: {
+      Clickme(){
+        this.$children[0].ChildItems()
+        for (let i =0;i<this.$children[0].list.length;i++){
+          this.$children[0].list[i]=i+2-1/2
+        }
+        console.log(this.$children[0].list);
+      }
+    },
+    components:{
+      'apps':{
+        template:"#tpl",
+        data(){
+          return{
+            list:[0,1,2,3,5,6,7,3,1]
+          }
+        },
+        methods: {
+          ChildItems(){
+            let item=1
+            console.log("这是子组件函数");
+            console.log(this.list);
+          }
+        },
+      }
+    }
+  })
+</script>
+</html>
--- a/10-组件化开发/08-父子组件的访问/父组件访问子组件$ref.html
+++ b/10-组件化开发/08-父子组件的访问/父组件访问子组件$ref.html
@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Document</title>
+</head>
+<body>
+  <div id="app">
+    <apps ref="first"></apps>
+    <button @click="refClick()">点击我</button>
+  </div>
+  <template id="tpl">
+    <div>
+      <h1>{{content}}</h1>
+    </div>
+  </template>
+</body>
+<script src="../../../JavaScript/vue.js"></script>
+<script>
+  new Vue({
+    el:"#app",
+    methods: {
+      refClick(){
+        console.log(this.$refs.first.content);
+        this.$refs.first.content="这是被修改后的内容"
+        console.log(this.$refs.first.content);
+      }
+    },
+    components:{
+      'apps':{
+        template:"#tpl",
+        data(){
+          return{
+            content:"这是内容",
+            list:["这是第一条", "这是第二条", "这是第三条"]
+          }
+        }
+      }
+    }
+  })
+</script>
+</html>