vue - form表单验证实例

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="https://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>
    <script src="https://unpkg.com/vue-router/dist/vue-router.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vue-resource.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <link href="https://cdn.bootcss.com/element-ui/2.4.5/theme-chalk/index.css" rel="stylesheet">
    <script src="https://cdn.bootcss.com/element-ui/2.4.5/index.js"></script>
</head>
<style>
    #app {
        background-color: rgb(239, 246, 250);
    }
</style>

<body>
    <div id="app">
        <div class="register">
            <section class="form_container">
                <div class="manage_tip">
                    <span class="title"></span>
                </div>
                <el-form :model="registerUser" :rules="rules" class="registerForm" ref="registerForm"
                    label-width="80px">
                    <el-form-item label="用户名" prop="name">
                        <el-input v-model="registerUser.name" placeholder="请输入用户名"></el-input>
                    </el-form-item>
                    <el-form-item label="邮箱" prop="email">
                        <el-input v-model="registerUser.email" placeholder="请输入邮箱"></el-input>
                    </el-form-item>
                    <el-form-item label="密码" prop="password">
                        <el-input v-model="registerUser.password" placeholder="请输入密码" type="password"></el-input>
                    </el-form-item>
                    <el-form-item label="确认密码" prop="password2">
                        <el-input v-model="registerUser.password2" placeholder="请确认密码" type="password"></el-input>
                    </el-form-item>
                    <el-form-item label="选择身份">
                        <el-select v-model="registerUser.identity" placeholder="请选择身份">
                            <el-option label="管理员" value="manager"></el-option>
                            <el-option label="员工" value="employee"></el-option>
                        </el-select>
                    </el-form-item>
                    <el-form-item>
                        <el-button type="primary" class="submit_btn" @click="submitForm('registerForm')">注 册</el-button>
                    </el-form-item>
                </el-form>
            </section>
        </div>
    </div>

</body>

<script type="text/javascript">
    new Vue({
        el: '#app',
        data() {
            var validatePass2 = (rule, value, callback) => {
                if (value !== this.registerUser.password) {
                    callback(new Error("两次输入密码不一致!"));
                } else {
                    callback();
                }
            };
            return {
                registerUser: {
                    name: "",
                    email: "",
                    password: "",
                    password2: "",
                    identity: ""
                },
                rules: {
                    // 要以数组形式展示
                    name: [
                        { required: true, message: "用户名不能为空", trigger: "change" },
                        { min: 2, max: 30, message: "长度在 2 到 30 个字符", trigger: "blur" }
                    ],
                    email: [
                        {
                            type: "email",
                            required: true,
                            message: "邮箱格式不正确",
                            trigger: "blur"
                        }
                    ],
                    password: [
                        { required: true, message: "密码不能为空", trigger: "blur" },
                        { min: 6, max: 30, message: "长度在 6 到 30 个字符", trigger: "blur" }
                    ],
                    password2: [
                        { required: true, message: "确认密码不能为空", trigger: "blur" },
                        {
                            min: 6,
                            max: 30,
                            message: "长度在 6 到 30 个字符",
                            trigger: "blur"
                        },
                        { validator: validatePass2, trigger: "blur" }
                    ]
                }
            }
        },
        methods: {
            submitForm(formName) {
                this.$refs[formName].validate(valid => {
                    if (valid) {
                        this.$message({
                            message: "注册成功!",
                            type: "success"
                        });
                    } else {
                        this.$message({
                            message: "注册失败!",
                            type: "error"
                        });
                    }
                });
            }
        }
    });
</script>

</html>
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