ts报错：Object is possibly ‘undefined‘.Vetur(2532) - 代码天地

ts报错：Object is possibly ‘undefined‘.Vetur(2532)

移动开发 2023-08-12 01:21:56 阅读次数: 0

想要获得props中的数据，数据类型是number类型。但是却报错了Object is possibly ‘undefined’.
请添加图片描述
按照报错提示，加断言改成props?.showDatasCount或者props!.showDatasCount，加if判断都不行

最终用了强制类型转换成功了props.showDatasCount as number
请添加图片描述

猜你喜欢

转载自blog.csdn.net/weixin_46687032/article/details/125817865

ts报错：Object is possibly ‘undefined‘.Vetur(2532)

不能调用可能是“未定义”的对象。ts(2722) Cannot invoke an object which is possibly ‘undefined‘.

报错configure.ac:418: error: possibly undefined macro: AC_LIBTOOL_WIN32_DLL

TypeScript报错：Object is possibly “null“ 解决方法——断言函数

解决 configure ac 17 error possibly undefined macro AC PROG

error: possibly undefined macro: AC_PROG_GNU_M4

typescript 提示 Object is possibly ‘null‘ 的N种解决方法

urldecode 报错 Malformed UTF-8 characters, possibly incorrectly encoded

php报错：Malformed UTF-8 characters, possibly incorrectly encoded

使用tesserocr.file_to_text（"path"）报错Failed to init API, possibly an invalid tessdata path: C:\\

laravle框架报错Malformed UTF-8 characters, possibly incorrectly encoded

安装tesserocr的步骤和报错RuntimeError: Failed to init API, possibly an invalid tessdata path解决办法

PHP 报错 Malformed UTF-8 characters, possibly incorrectly encoded 编码转换问题

安装GD库错误解决方法 configure.ac:64: error: possibly undefined macro: AM_ICONV

报错信息 Failed to init API, possibly an invalid tessdata path: C:\Users\ylp\PycharmProjects\untitled3\venv\

python_安装tesserocr后调用image_to_text报错_Failed to init API, possibly an invalid tessdata path:

ParseError: Unrecognised input. Possibly missing something

C++使用autoreconf -vi出现error: possibly undefined macro: AC_LIBTOOL_WIN32_DLL If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation.

probably,possibly,may的用法区别是什么呀

Malformed UTF-8 characters, possibly incorrectly encoded

because another server process exited abnormally and possibly corrupted shared memory

Malformed UTF-8 characters, possibly incorrectly encoded...

react报错：Cannot read property ‘forEach‘ of undefined at Object.injectIntoGlobalHoo

Malformed UTF-8 characters, possibly incorrectly encoded 或中文乱码（Uncaught InvalidArgumentException: Malformed UTF-8 characters, possibly incorrectly encoded in）

Vue3+TS报错TypeError: Cannot set properties of undefined (setting ‘0‘)

Could not create cudnn handle: CUDNN_STATUS_NOT_INITIALIZED. Possibly insufficient driver version: 3

烧写工具（SmartRF Flash Prog）：Could not access the hardware (it is possibly in use by other application)

Android Studio开发调试Installation failed since the device possibly has stale dexed jars

RuntimeError: Failed to init API, possibly an invalid tessdata path: C:\Program Files\Tesseract

python tesserocr 出现Failed to init API, possibly an invalid tessdata，完美解决方案

今日推荐

《美国对全球网络空间安全与发展的威胁和破坏》报告发布

火速冲上 GitHub 热榜 —— 开源编程语言、框架哪有这么可爱？

北京人形机器人创新中心发布全球首个纯电驱拟人奔跑的全尺寸人形机器人“天工”

LFOSSA 源来如此公开课 | 掌握云原生未来：CNCF 认证全面攻略与备考秘籍

国产云输入法——仅华为无云端数据上传安全问题

周排行

Python环境安装与基础语法（1）——计算机基础知识

IMU预积分

ADAS中的LDW、FCW、BSD、LCA、ACC、AEB、APA、DMS代表的含义

B站笔试两道题

skyeye arm 硬件虚拟机环境的搭建

Web前端静态页面示例

数组-合并排序数组 II-简单

springcloud之版本问题启动报错

面向对象-------------匿名对象(六)

输入URL到页面呈现中间发生了什么？

每日归档

更多

2024-04-30(1)

2024-04-29(40)

2024-04-28(0)

2024-04-27(56)

2024-04-26(39)

2024-04-25(22)

2024-04-24(36)

2024-04-23(26)

2024-04-22(39)

2024-04-21(0)