backup

.idea/.gitignore

@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml

.idea/Front-end.iml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="corretto-11" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Front-end.iml" filepath="$PROJECT_DIR$/.idea/Front-end.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

node/note使用记录.lexical

@@ -0,0 +1 @@
+{"editorState":{"root":{"children":[{"children":[{"detail":0,"format":0,"mode":"normal","style":"","text":"只有在保存的时候获取","type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"paragraph","version":1},{"children":[],"direction":null,"format":"","indent":0,"type":"paragraph","version":1},{"children":[{"children":[{"detail":0,"format":0,"mode":"normal","style":"","text":"Node.js has two module systems: CommonJS modules and ","type":"text","version":1},{"children":[{"detail":0,"format":0,"mode":"normal","style":"","text":"ECMAScript modules","type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"link","version":1,"rel":null,"target":null,"title":null,"url":"https://nodejs.cn/api/modules.html#"},{"detail":0,"format":0,"mode":"normal","style":"","text":"。","type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"listitem","version":1,"value":1},{"children":[{"detail":0,"format":0,"mode":"normal","style":"","text":"Calling ","type":"text","version":1},{"detail":0,"format":16,"mode":"normal","style":"","text":"require()","type":"text","version":1},{"detail":0,"format":0,"mode":"normal","style":"","text":" always use the CommonJS module loader. Calling ","type":"text","version":1},{"detail":0,"format":16,"mode":"normal","style":"","text":"import()","type":"text","version":1},{"detail":0,"format":0,"mode":"normal","style":"","text":" always use the ECMAScript module loader.","type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"listitem","version":1,"value":2},{"children":[{"detail":0,"format":0,"mode":"normal","style":"","text":"ECMAScript modules are ","type":"text","version":1},{"children":[{"detail":0,"format":0,"mode":"normal","style":"","text":"the official standard format","type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"link","version":1,"rel":null,"target":null,"title":null,"url":"https://nodejs.cn/api/esm.html#"},{"detail":0,"format":0,"mode":"normal","style":"","text":" to package JavaScript code for reuse. Modules are defined using a variety of ","type":"text","version":1},{"children":[{"detail":0,"format":16,"mode":"normal","style":"","text":"import","type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"link","version":1,"rel":null,"target":null,"title":null,"url":"https://nodejs.cn/api/esm.html#"},{"detail":0,"format":0,"mode":"normal","style":"","text":" and ","type":"text","version":1},{"children":[{"detail":0,"format":16,"mode":"normal","style":"","text":"export","type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"link","version":1,"rel":null,"target":null,"title":null,"url":"https://nodejs.cn/api/esm.html#"},{"detail":0,"format":0,"mode":"normal","style":"","text":" statements.","type":"text","version":1}],"direction":"ltr","format":"","indent":0,"type":"listitem","version":1,"value":3}],"direction":"ltr","format":"","indent":0,"type":"list","version":1,"listType":"number","start":1,"tag":"ol"},{"children":[],"direction":null,"format":"","indent":0,"type":"paragraph","version":1},{"children":[],"direction":null,"format":"","indent":0,"type":"paragraph","version":1}],"direction":"ltr","format":"","indent":0,"type":"root","version":1}}}

npm/npm镜像设置.md

@@ -1,14 +1,23 @@
 查看当前镜像
 
-```apl
+```javascript
 npm help config
 npm config get registry
 ```
 
 设置全局镜像
 
-```shell
+```javascript
 npm config set registry https://registry.npm.taobao.org --global
 ```
 
 版本管理:[GitHub - nvm-sh/nvm: Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions](https://github.com/nvm-sh/nvm#usage)
+
+```javascript
+## nvm
+node version manage
+## npm
+node package manage
+## nrm
+node remote manage
+```

react/qf/3路由.md

@@ -0,0 +1,25 @@
+HashRouter路径中有#
+BrowserRouter路径中无#
+BrowserRouter as Router ，可以将Router写在代码中。
+BrowserRouter 没有#的路径，好看，真正朝后端发请求要页面，后端没有对应的路径处理路径就回404，不好看。
+## 动态路由
+```js
+<Router path="/detail/:myid" component={Detail}/>
+props.match.params.myid
+```
+## 路由拦截
+![](img/路由拦截微信截图_20231215181801.png)
+## 路由模式
+
+## withRouter 包裹路由
+## 反向代理
+
+## CSSModule
+.module.css   模块化css文件
+import style from './css/film.module.css'
+{style.clazz}
+
+
+
+id选择器，class选择器生效
+标签选择器，不生效

react/qf/4Redux.md

@@ -0,0 +1,4 @@
+# 纯函数
+1. 对外界没有副作用。
+2. 同样的输入得到同样的输出。
+

react/qf/5.css.md

@@ -0,0 +1,4 @@
+- vh视图size
+- position:"sticky",top:0         吸顶效果
+- visibility:"hidden"             是否可见
+- padding:                        调整周边距离

react/qf/6.md

@@ -0,0 +1,2 @@
+# immutable
+数据深拷贝

websocket.html

@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>WebSocket</title>
+</head>
+<body>
+    <script>
+        var ws = new WebSocket("ws://172.21.13.108:30052/jeecg-boot/ems/websocket/123");
+        ws.onopen = function() {
+            document.write('<span>ws: ' + ws.url + ' opened</span><br/>');
+            ws.send('{"cmd":"EMS_REPAIR_TASK_EQUIPMENT_STATE_SHOW_ON"}');
+        };
+        ws.onmessage = function(evt) {
+           console.log(evt);
+        };
+        ws.onclose = function(evt) {
+            document.write('{"msgId":"123","cmd":"EMS_REPAIR_TASK_EQUIPMENT_STATE_UPDATE_ON"}');
+            console.log(evt);
+        };
+        ws.onerror = function(evt) {
+            document.write('<span font="darkred">ws: closed</span><br/>');
+            console.log(evt);
+        };
+    </script>
+</body>
+</html>