Q1:Line 11:1: Import in body of module; reorder to top import/first Search for the keywords to learn more about each error.
A1:将import引入放到 const定义之上
Q2:#185
A2:onClick没有绑定bind
Q3:Error: Node Sass version 5.0.0 is incompatible with ^4.0.0.
A3:1)卸载已安装版本 npm uninstall node-sas.2)安装 npm install node-sass@4.14.1
Q4:./src/06_组件实例三大属性1_state/state.js Module not found: Can't resolve 'classnames'
A4:npm install classnames --save
Q5:Imported JSX component Index_05 must be in PascalCase or SCREAMING_SNAKE_CASE react/jsx-pascal-case 原因：组件命名中有下划线
A5:去掉下划线
Q5: Line 10:10: 'string' is defined but never used no-unused-vars
A5:将文件中的引用去掉即可。
Q6:All files must be modules when the '--isolatedModules' flag is provided. TS1208
A6:将没有用到的文件删掉或者使用该文件即可。
Q7:Object is possibly 'undefined'.
A7:数组需要判断是否存在；可选择值不能具体到某个数；
interface num {
id?:number
}
// 报错，因为id为可选属性，不能大于固定值
Num?.id > 0
Q8:类型判断
id:number、undefined -> !!id
Q9:Unexpected use of 'confirm' no-restricted-globals
A9:添加window
window.confirm('确定要删除嘛？'):boolean
......
