提示框不能显示出来
源代码
<template>
<div>
<el-form rel="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
<h3 class="login-title">综测登录</h3>
<el-form-item label="账号" prop="username">
<el-input type="text" placeholder="请输入账号" v-model="form.username"/>
</el-form-item>
<el-form-item label="密码" prop="password">
<el-input type="password" placeholder="请输入密码" v-model="form.password"/>
</el-form-item>
<el-form-item class="button">
<el-button type="primary" v-on:click="onSubmit('loginForm')">登录</el-button>
</el-form-item>
</el-form>
<el-dialog title="温馨提示" :visible.sync="dialogVisible" width="30%" :before-close="handleClose">
<span>请输入账号和密码</span>
<span slot="footer" class="dialog-footer">
<el-button type="primary" @click="dialogVisible = false">确定</el-button>
</span>
</el-dialog>
</div>
</template>
<script>
export default {
name: "longin",
data(){
return{
form:{
username:'',
password:''
},
//表单验证,需要在el-from-item 元素中加prop属性
rules:{
username:[
{required:true,message:'账号不可为空',trigger:'blur'}
],
password:[
{required:true,message:'密码不可为空',trigger:'blur'}
]
},
//对话框显示和隐藏
dialogVisible:false
}
},
methods: {
onSubmit(formName){
// 为表单绑定验证功能
this.$refs[formName].validate((valid) => {
if(valid){
// 使用Vue-router 路由到指定页面,该方式称之为编程式导航
this.$router.push("/Main");
}
else{
this.dialogVisible = true;
return false;
}
});
}
}
}
</script>
<style lang="scss" scoped>
.login-box{
border: 1px solid #DCDFE6;
width:400px;
margin: 180px auto;
padding: 35px 35px 15px 35px;
border-radius: 5px;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
box-shadow: 0 0 25px #909399;
}
.login-title{
text-align: center;
margin: 0 auto 40px auto;
color: #303133
}
</style>