java - spring security自定义filter的问题

用spring boot建的项目。现在想自定义一个filter，要求实现用户名，密码，公司id一起验证。下面是我的代码，参考UsernamePasswordAuthenticationFilter写的。 {代码...} ...

From [Javadiscussion group] 2017-04-17 15:31:30 0  4  1227

English

Does this require basic English?

From [Javadiscussion group] 2020-03-11 10:23:44 0  3  1226

开始学习编程学习c开始还是java？

想学习编程，但是不知道是学习c开始还是java开始，很纠结！ 各位高手给点建议。

From [Javadiscussion group] 2017-04-17 11:03:39 0  14  1224

javascript - echart How to display only one of the two line charts by default and hide the other?

How can echart display only one of the two line charts by default and hide the other?

From [Javadiscussion group] 2017-05-17 10:06:54 0  3  1223

javascript - 前后端分离后你们是如何解决跨域问题的

联调接口 后台完全不管 目前准备用jsonp来做跨域 想问各位有没有什么更好的解决方法

From [Javadiscussion group] 2017-04-18 10:55:24 0  12  1223

intellij-idea - 应该以什么方式给别人发送在idea中创建的java-web项目？

现在在自己的笔记本有这样一个java-web项目，请问如果我要发送给别人或者在家里的另外一台电脑上面直接通过tomcat/maven来运行这个java-web项目，那么我应该怎样打包拿来发送，或者说我应该发送这个文件的那...

From [Javadiscussion group] 2017-04-18 10:25:09 0  3  1222

java - 多线程并发情况下Map.containsKey() 判断有问题

有下面一段代码： {代码...} 输出结果： {代码...} 表明了Map.containsKey() 在多线程的情况下会判断不准确。 这是为什么呢？ 有什么方法改进呢？

From [Javadiscussion group] 2017-04-18 10:49:53 0  3  1221

java - When an android phone connects to a hotspot that cannot access the Internet, it often automatically switches to other networks. Why not let it switch automatically?

1. Problem: When the Android phone is connected to a hotspot that cannot access the Internet, it often automat...

From [Javadiscussion group] 2017-06-23 09:12:38 0  2  1220

java - What are the specific business usage scenarios of high-performance classes such as ConcurrentHashMap?

Like the question, what are the specific business usage scenarios of high-performance classes like ConcurrentH...

From [Javadiscussion group] 2017-06-28 09:23:10 0  4  1219

java RandomAccessFile 覆盖数据

下面的一个测试程序来说明我的问题： {代码...} 怎么才能防止覆盖啊？

From [Javadiscussion group] 2017-04-17 14:22:26 0  1  1219

java - hbase regionServer Cannot assign requested address

{代码...}

From [Javadiscussion group] 2017-04-18 09:03:19 0  0  1217

java-ee - JAVA Non-static method cannot be referenced

Non-static method cannot be referenced from a static context {code...} I wanted to group operationInfos and th...

From [Javadiscussion group] 2017-07-03 11:43:19 0  2  1216

java - Write lock degradation problem in read-write lock

When the write lock is downgraded, the thread that has currently acquired the write lock is required to hold t...

From [Javadiscussion group] 2017-06-12 09:24:17 0  3  1215

Java中的宗量怎么理解呢？

我在看《Java虚拟机原理》中有描述宗量：方法的接收者和方法的参数统称为方法的宗量。 这个宗量如何理解呢，【方法的接收者】和【方法的参数】方法的宗量 【方法的接收者】和【方法的参数】 这两个概念是什么意思呢

From [Javadiscussion group] 2017-04-18 10:50:16 0  0  1215

java - Problem with Spring Boot receiving JSON format parameters.

Current situation: GsonHttpMessageConverter has been customized to complete JSON -> Bean conversion. Like t...

From [Javadiscussion group] 2017-06-23 09:14:33 0  1  1213