IDEA 项目报错报错 java: 程序包 javax.servlet 不存在

港控/mmm° 2024-04-18 10:11 82阅读 0赞

本文链接：https://blog.csdn.net/wsjzzcbq/article/details/90031801  
报错如图

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoaVhpblhpbl9IYXJib3Vy_size_16_color_FFFFFF_t_70]

解决办法：

点击 File，选择 Project Structure…，或使用快捷键 Ctrl+Shift+ALT+S，打开 Project Structure

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoaVhpblhpbl9IYXJib3Vy_size_16_color_FFFFFF_t_70 1]

点击 + 号，点击 Library…

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoaVhpblhpbl9IYXJib3Vy_size_16_color_FFFFFF_t_70 2]

添加 Tomcat

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoaVhpblhpbl9IYXJib3Vy_size_16_color_FFFFFF_t_70 3]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoaVhpblhpbl9IYXJib3Vy_size_16_color_FFFFFF_t_70 4]

选中 tomcat，点击 Apply 即可

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoaVhpblhpbl9IYXJib3Vy_size_16_color_FFFFFF_t_70 5]

缺失的 jar 包已经可以引入

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1NoaVhpblhpbl9IYXJib3Vy_size_16_color_FFFFFF_t_70 6]

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