## 1、分类导入导出优化
### 1.1 后端
后端数据校验
#### 1、CategoryService
```
boolean cateExist(Category category);
```
#### 2、CategoryServiceImpl
```java
@Override
public boolean cateExist(Category category) {
Lamb...
| Chinese Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
|---|---|---|---|---|---|---|---|
| 《dy08》 | 11120字 | 20.0分钟 | 99% | 63 CPM | 293 次 | 10 | 良好，向更快挑战！ |
| The wrong word this time: o,;,;,j,a,v,a,;,,,s | |||||||
|
Suggestion:
可能对按键不够熟悉，或者对输入法不够熟练所导致，不要急慢慢来，先打对把准确率提高，然后逐渐的加快速度，最后才能打准打快。
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| Inspirational quotes: 念高危，则思谦冲而自牧；惧满盈，则思江海下百川。 ——魏徵 | |||||||
| What do you think of this article? Give it a rating and let it serve as a guiding light for others | |||||||
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