data () {
            const validateSectionFileType = (rule, value, callback) => {
                if (value <= 0) {
                    callback(new Error('型別不能為空'));
                } else {
                    callback();
                }
            };
            const validateSectionTime = (rule, value, callback) => {
                
 
if (value === '') {
                    callback(new Error('時間不能為空'));
                } else {
                    callback();
                }
            };
            const validateSectionDuration = (rule, value, callback) => {
                if (!value) {
                    callback(new Error('
 
時間不能為空'));
                } else {
                    callback();
                }
            };
            const validateSectionIsFree = (rule, value, callback) => {
                if (value === '') {
                    callback(new Error('請選擇是否收費'));
                } else {
                    callback();
                }
            };
            
 
return {
                ruleEditSection: {
                    title: [
                        {required: true, message: '小節標題不能為空', trigger: 'blur'}
                    ],
                    subTitle: [
                        {required: true, message: '小節副標題不能為空', trigger: 'blur'}
                    ],
                    duration: [
                        { required: true,type: Number, message: '請填寫持續時間', trigger: 'blur', validator: validateSectionDuration},
                    ],
                    startTime: [
                         { required: true,message: '請選擇開始時間',type: String , trigger: 'change', validator: validateSectionTime},
                    ],
                    sectionDesc: [
                        { required: true,required: true, message: '小節介紹不能為空', trigger: 'blur'}
                    ],
                    type: [
                        { required: true,message: '請選擇型別',type: Number | String, trigger: 'change', validator: validateSectionFileType},
                    ],
                    sectionUrl: [
                        {required: true, message: '檔案不能為空', trigger: 'change'}
                    ],
                    isFree: [
                        { required: true, message: '請選擇是否免費',type: Number | String,  trigger: 'blur', validator: validateSectionIsFree}
                    ]
                }
            };
        },