first commit

2024-09-27 02:06:13 +08:00
commit 852d94fbb9
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--- a/历届学生/18课程/class18_2/项目/练习项目/王一鸣/vue/test.html
+++ b/历届学生/18课程/class18_2/项目/练习项目/王一鸣/vue/test.html
@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <style>
+        .maopao{
+            width: 200px;
+            height: 200px;
+            background: blue;
+        }
+        /* 当vue代码尚未被解析时 使页面不显示 性能优化 需要在最外层父容器上加  v-cloak*/
+        [v-cloak]{
+            display: none;
+        }
+    </style>
+</head>
+<body>
+    <div class="app" v-cloak>
+        <h3>{{text}}</h3>
+        <ul class="list">
+            <li v-for="v,i in List" :key="i">{{i}}/{{v.title}}</li>
+        </ul>
+        <ul class="cont">
+
+        </ul>
+
+        <br>
+        <br>
+        <!-- 当父元素和子元素同时绑定了事件  可能会产生  "冒泡问题" vue中可以用.stop 组织冒泡 -->
+        <div class="maopao" @click='fff'>
+            <h2 @click.stop="zzz">点点点.......</h2>
+        </div>
+        <ul>
+            <li v-for="val,key,i in Obj" :key="i"> {{val}} | {{key}}</li>
+        </ul>
+
+        <div v-html="vhtml">
+            
+        </div>
+        <!-- v-model 一般用在输入框 可实时获取到输入框内的值 如下 ： -->
+        <input type="text" placeholder="请输入" v-model="userinput">
+        <span> {{userinput}} </span>
+    </div>
+    
+</body>
+<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
+<script>
+    var App = new Vue({
+        el:'.app',
+        data:{
+            text:"hello",
+            vhtml:"<p>用v-html解析后的结果</p>",
+            userinput:'',
+            //v-for 可以遍历数组
+            List:[
+                {title:"标题1",
+                 
+                },
+                {title:"标题2",
+                 
+                },
+                {title:"标题3",
+                 
+                }
+                
+            ],
+            //v-for 可以遍历对象
+            Obj:{
+                title:"Hel.....",
+                cont:"Hello World!"
+            }
+        },
+        methods: {
+            fff(){
+                alert("这是fff")
+            },
+            zzz(){
+                alert("这是zzz")
+            }
+        }
+    })
+</script>
+</html>