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element-ui表单验证例子:validateField验证

element-ui表单验证例子:validateField验证

作者: Frank_Fang | 来源:发表于2022-10-09 18:46 被阅读0次
    <!DOCTYPE html>
    <html lang="zh-CN">
     
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>elementUI</title>
        <script src="https://cdn.jsdelivr.net/npm/vue@2.5.16/dist/vue.js"></script>
        <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
        <script src="https://unpkg.com/element-ui/lib/index.js"></script>
        <style>
            #app {
                width: 600px;
                margin: 30px;
            }
        </style>
    </head>
     
    <body>
        <div id="app">
            <el-form :model="myModel" :rules="rules" ref="myForm" size="small" label-width="100px">
                <el-form-item label="姓名" prop="name">
                    <el-input v-model="myModel.name" clearable></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="myModel.email" clearable></el-input>
                </el-form-item>
                <el-form-item>
                    <el-button type="warning" size="medium" @click="validateEmail('myForm')">验证字段</el-button>
                    <el-button type="primary" size="medium" @click="submitForm('myForm')">验证全部</el-button>
                </el-form-item>
            </el-form>
     
     
        </div>
        <script>
            new Vue({
                el: "#app",
                data: {
                    myModel: {
                        name: '',
                        email: ''
                    },
                    rules: {
                        name: {
                            required: true,
                            message: '请输入姓名',
                            trigger: ['change', 'blur']
                        },
                        email: {
                            required: true,
                            message: '请输入邮箱',
                            trigger: ['change', 'blur']
                        }
                    }
                },
                methods: {
                    validateEmail(formName) {
                        this.$refs[formName].validateField('email', emailError => {
                            if (!emailError) {
                                alert('邮箱验证通过!');
                            } else {
                                console.log('邮箱验证失败');
                                return false;
                            }
                        });
     
                    },
                    submitForm(formName) {
                        this.$refs[formName].validate((valid) => {
                            if (valid) {
                                alert('submit!');
                            } else {
                                console.log('error submit!!');
                                return false;
                            }
                        });
                    }
                }
            })
        </script>
    </body>
     
    </html>
    

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