定义表单规则（判断两次密码输入是否一致）

主要代码：{ required: true,validator: validateRepassword, trigger: "change" },

export default {
    name: "form",
    data() {
        var validateRepassword = (rule, value, callback) => {
            if (value === "") {
                callback(new Error("请输入确认密码"));
            } else if (value !== this.registerForm.password) {
                callback(new Error("两次的密码不一致"));
            } else {
                callback();
            }
        };
        return {
            registerForm: {
                password: "",
                repassword: "",
            },
            registerRules: {
                password: [
                    { required: true, trigger: "change", message: "密码不能为空" },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'change' }
                ],
                repassword: [
                    { required: true,validator: validateRepassword, trigger: "change" },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'change' }
                ],
            },
        };
    },
}

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