vue + el-form 实现的多层循环表单验证

 let _THAT export default { name: 'formMangeAdd', data() { return { formObj: { formDictExtendDoList: [] }, rules: { fieldName: [{ required: true, message: '请输入', trigger: 'blur' }, { validator: this.itemValidator, trigger: 'blur' }], value: [{ validator: (rule, value, callback) = > { // I'm a genius. let that = _THAT that.forceUpdate() let field = rule.field let arr = field.split('.') let index = +arr[1] let index1 = +arr[3] let _value = that.formObj.formDictExtendDoList[index].item[index1].value if (_value === '' || _value === null || _value === undefined) { callback(new Error('请输入')) } else { callback() } }, trigger: 'blur' }] } } }, beforeCreate() { _THAT = this }, created() { // 测试数据 let test = [{ id: 'id_1595641858891', // 唯一配置id fieldName: '字段名称', // 字段名称 item: [] }, { id: 'id_1595641858892', // 唯一配置id fieldName: '字段名称', // 字段名称 item: [] }, { id: 'id_1595641858893', // 唯一配置id fieldName: '字段名称', // 字段名称 item: [{ id: 'item_id_1595641858891', // 唯一id value: '选项1' }, { id: 'item_id_1595641858892', // 唯一id value: '选项2' }] }] this.formObj.formDictExtendDoList = test }, methods: { /** * 重复性判断 **/ itemValidator: (rule, value, callback) = > { let that = _THAT that.forceUpdate() let field = rule.field let ruleArr = field.split('.') let index = +ruleArr[1] let type = ruleArr[2] if (value === '') { callback() return false } let arr = [] for (let i = 0; i