不同环境下@component注解修饰类的加载顺序问题

本地环境和生产环境均为按文件目录顺序加载 测试sit和uat环境则不知道按什么顺序加载 前提是有一个 @configutation修饰类,有A和B两个bean B依赖A 有C D两个 @component修饰的类 C依赖于A D依赖于B 本地和生产环境均按目录顺序加载,先加载D后加载C,故B方法中出现空指针异常,因为A未进行初始化。目前解决方法可以直接在B上加一个dependon注解可以解决 问题就是,为什么测试环境下,C先于D加载了,于是导致即使B上无任何注解,也会先加载A,B后续顺利加载。 ...

2022-09-23 | CSDN问答 | 279浏览

python pygame 问题

img https://img mid.csdnimg.cn/release/static/image/mid/ask/58494032336615.jpg?x oss process=image/auto orient,1/resize,w 320,m lfit 这个是什么情况 怎么无效啊 有没有懂的兄弟 指点一下 是图片不是bmp原因吗

2022-09-23 | CSDN问答 | 138浏览

比大小赋值按enter闪退

img https://img mid.csdnimg.cn/release/static/image/mid/ask/367179223366194.jpg?x oss process=image/auto orient,1/resize,w 320,m lfit img https://img mid.csdnimg.cn/release/static/image/mid/ask/871779223366110.jpg?x oss process=image/auto orient,1/r...

2022-09-23 | CSDN问答 | 727浏览

Vue + Element UI 传多张图片到后台

Vue + Element UI 如何用FormData 以二进制格式传多张图片到后台 ,提交前实现放大预览,移除功能。 试了很久Base64格式上传,但不支持

2022-09-23 | CSDN问答 | 900浏览

分别创建一个ArrayList和LinkedList,用Dog类的多个实例来填充此容器。

用ListIterator /按隔一个位置插入一个对象的方式,把两个列表合并起来

2022-09-23 | CSDN问答 | 133浏览

基于android手机的视频取证

想问一下大家 如果要写基于android的视频取证系统,我想设计一个关于视频上传分类管理这些功能的,app实现简单还是小程序简单呢

2022-09-23 | CSDN问答 | 793浏览

为什么运行程序后第一行会有8位数字

题目:从键盘输入圆的半径,计算该圆的周长和面积并输出结果(圆周率取3.14159),要求输出结果均保留3位小数。 输入样例:7 输出样例:圆的周长为43.982 圆的面积为153.938 img https://img mid.csdnimg.cn/release/static/image/mid/ask/635028223366173.jpg?x oss process=image/auto orient,1/resize,w 320,m lfit img https://img mid.cs...

2022-09-23 | CSDN问答 | 256浏览

PHP用liberoffice将word转为pdf,带图片无法转

当word里面含有图片,就转不了pdf,如果word就是纯文字就能转成功,这怎么搞

2022-09-23 | CSDN问答 | 262浏览

elementUi的树状图筛选方法修改的疑问

一个小问题,elementUi的树状图下,你去设置筛选方法 正常标准情况下是这样的 methods: { filterNode value, data { if value return true; return data.label.indexOf value == 1; } }, 然后由于需求的改变,我需要在这个方法里调用接口本来我想说行吧,我把返回什么的都删了,直接用接口不就完了? methods: { filterNode value, data { this.key=value//接...

2022-09-23 | CSDN问答 | 880浏览

抓包数据和爬虫数据不一样

刚开始学爬虫,麻烦给看看为什么浏览器抓包抓到的和爬虫爬到的数据不一样。 img https://img mid.csdnimg.cn/release/static/image/mid/ask/357865223366176.jpg?x oss process=image/auto orient,1/resize,w 320,m lfit img https://img mid.csdnimg.cn/release/static/image/mid/ask/371475223366141.jpg?...

2022-09-23 | CSDN问答 | 610浏览

Create an ArrayList and a LinkedList respectively, filling this container with multiple instances of the Dog class.

Use ListIterator / insert an object at every other position to merge two lists

2022-09-23 | CSDN Q&A | 822浏览

python pygame problem

img https://img mid.csdnimg.cn/release/static/image/mid/ask/58494032336615.jpg?x oss process=image/auto orient,1/resize,w 320,m lfit What is this situation and why is it invalidAh, is there any brother who understands, please point out that the pictu...

2022-09-23 | CSDN Q&A | 750浏览

Than the size assignment, press enter to flash back

img https://img mid.csdnimg.cn/release/static/image/mid/ask/367179223366194.jpg?x oss process=image/auto orient,1/resize,w 320,m lfit img https://imgmid.csdnimg.cn/release/static/image/mid/ask/871779223366110.jpg?x oss process=image/auto orient,1/res...

2022-09-23 | CSDN Q&A | 393浏览

Vue Element + UI more pictures to the background

Vue + Element UI How to use FormData to transfer multiple images to the background in binary format, realize zoom preview and remove function before submitting.I tried uploading in Base64 format for a long time, but it does not support

2022-09-23 | CSDN Q&A | 642浏览

Caught data and reptiles

Just started to learn crawling, please show why the data captured by the browser is different from the data crawled by the crawler.img https://img mid.csdnimg.cn/release/static/image/mid/ask/357865223366176.jpg?x oss process=image/auto orient,1/resiz...

2022-09-23 | CSDN Q&A | 939浏览

Video forensics based on android mobile phone

I would like to ask everyone. If I want to write an android-based video forensics system, I want to design a video uploading classification management function. Is it simple to implement an app or a small program?

2022-09-23 | CSDN Q&A | 101浏览

Loading order of classes modified by @component annotations in different environments

Both the local environment and the production environment are loaded in the order of the file directory. The test sit and uat environments do not know what order to load. The premise is that there is a @configutation decorated class, and there are tw...

2022-09-23 | CSDN Q&A | 731浏览

PHP uses liberoffice to convert word to pdf, but it cannot be converted with pictures

When word contains pictures, it cannot be converted to pdf. If word is plain text, it can be converted successfully. How can this be done?

2022-09-23 | CSDN Q&A | 718浏览

Why there are 8 digits in the first line after running the program

Topic: from the keyboard input of the radius of the circle, the round pupil and output 3.14159 (PI), are required to keep the output are 3 decimal places.Input sample: 7 output sample: the perimeter of a circle is 43.982 the area of a circle is 153.9...

2022-09-23 | CSDN Q&A | 622浏览

ElementUi tree screening method to modify the question

A small problem, under the tree diagram of elementUi, you go to set the filter method. The normal standard case is like this: { filterNode value, data { if value return true; return data.label.indexOf value == 1; } },Then due to the change of require...

2022-09-23 | CSDN Q&A | 721浏览