84 lines
2.0 KiB
HTML
84 lines
2.0 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<style>
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*{
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margin: 0;
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padding: 0;
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}
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.btn{
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display: flex;
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}
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button{
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margin: 0 20px;
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}
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</style>
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</head>
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<body>
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<div id="app">
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<form action="../05-v-on属性的使用/v-on参数传递问题.html" name="Frm">
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<div v-if="isChange">
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用户名:<input type="text" name="user" v-model="user">
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<div>
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密码:<input type="password" name="pwd" v-model="user_pwd" key="user_pwd">
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</div>
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</div>
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<div v-else>
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用户邮箱:<input type="text" name="email" v-model="email">
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<div>
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密码:<input type="password" name="pwd" v-model="email_key" key="email_key">
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</div>
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</div>
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<input type="checkbox" v-model="agree">是否同意此协议
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<div class="btn">
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<button @click.prevent="Put_Submit(user)" :disabled=!agree>提交</button>
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<button @click.prevent="Change()">切换</button>
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</div>
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</form>
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</div>
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</body>
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<script src="../JavaScript/vue.min.js"></script>
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<script>
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const vue=new Vue({
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el:"#app",
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data:{
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isChange:true,
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user:"",
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user_pwd:"",
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email_key:"",
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email:"",
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agree:false
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},
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methods: {
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Change(){
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this.isChange=!this.isChange
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this.user_pwd=""
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this.email_key=""
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},
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Put_Submit(user){
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if(user.length<4 ){
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alert("你的用户名太短,请重新输入")
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this.user=""
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}
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else{
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if (this.email==""){
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this.email==null
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}
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info = `你的用户是${this.user},\n你的邮箱是${this.email}`
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alert(info)
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this.user=""
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this.user_pwd=""
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this.email=""
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this.email_key=""
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}
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}
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},
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})
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</script>
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</html>
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