feat: mongodb code

awayjin · Apr 2, 2020 · 6775bc8 · 6775bc8
1 parent 569add1
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diff --git a/README.md b/README.md
@@ -10,3 +10,7 @@
 git branch -r
 
 git checkout -b 本地分支名x origin/远程分支名x
+
+
+### Node.js 中 console 彩色
+ console.log('\033[42;30m DONE \033[40;32m C \033[0m')
diff --git a/js/relearning/08-objects-classify.html b/js/relearning/08-objects-classify.html
@@ -7,8 +7,31 @@
 </head>
 <body>
 
+<a href="https://time.geekbang.org/column/article/80011"></a>
+js 对象分类(https://time.geekbang.org/column/article/80011)
+
+
 <script>
+  class Exception extends Error {
+    constructor (msg = 'why wrong', errorCode = '10001', code = '400') {
+      super()
+      this.msg = msg
+      this.errorCode = errorCode
+      this.code = code
+    }
+  }
+
+  try {
+    a
+  } catch (e) {
+    let e1 = new Exception()
+    console.log('e1:', e1)
+    throw e1
+  }
+</script>
+
 
+<script>
   var set = new Set();
   var objects = [
     eval,
@@ -61,20 +84,15 @@
   objects.forEach(o => set.add(o));
 
   console.log('objects start:' + objects.length)
+
   for(var i = 0; i < objects.length; i++) {
     var o = objects[i]
     for(var p of Object.getOwnPropertyNames(o)) {
       var d = Object.getOwnPropertyDescriptor(o, p)
       if( (d.value !== null && typeof d.value === "object") || (typeof d.value === "function"))
-        console.log('----d----:' + 'bool:' + typeof d.value)
-        console.log(d)
-        console.log('o:')
-        console.log(o)
-        // debugger
-      if(!set.has(d.value))
+        if(!set.has(d.value))
           set.add(d.value), objects.push(d.value);
       if( d.get )
-        // debugger
         if(!set.has(d.get))
           set.add(d.get), objects.push(d.get);
       if( d.set )
@@ -94,9 +112,9 @@
     for (var value of Object.getOwnPropertyNames(arr)) {
 
       var d = Object.getOwnPropertyDescriptor(arr, value)
-      console.log('------1...-------value:' + value + '----d.value:' + d.value + ', d.get:' + d.get)
-      console.log(d)
-      console.log('         \n')
+      // console.log('------1...-------value:' + value + '----d.value:' + d.value + ', d.get:' + d.get)
+      // console.log(d)
+      // console.log('         \n')
       if (d.get) break
 
       // console.log(p)
@@ -108,4 +126,4 @@
 </script>
 
 </body>
-</html>
+</html>
diff --git a/nodejs/demo/inquirer.js b/nodejs/demo/inquirer.js
@@ -0,0 +1,53 @@
+const inquirer = require('inquirer')
+
+const promptList = [
+  {
+    type: 'input',
+    name: 'userName',
+    message: 'set a user name:',
+    default: 'test_user',
+    // validate: function (val) {
+    //    if (val.length === 3) {
+    //      return val
+    //    }
+    //    return '请输入3位数字.'
+    // }
+  },
+  {
+    type: 'input',
+    message: '请输入手机号:',
+    name: 'phone',
+    validate: function(val) {
+      if(val.match(/\d{3}/g)) { // 校验位数
+        var done = this.async();
+        done(null, true)
+        return val;
+      }
+      return "请输入3位数字";
+    }
+  },
+  {
+    type: 'confirm',
+    name: 'test',
+    message: 'Are you handsome?',
+    default: true
+  }
+]
+
+inquirer
+  .prompt(promptList)
+  .then(answers => {
+    console.log('answers:', answers)
+    console.log('%c answers:', answers, 'font-size: 14px; color: red;')
+  })
+
+// const list = [{
+//   type: 'confirm',
+//   name: 'test',
+//   message: 'Are you handsome?',
+//   default: true
+// }]
+// inquirer.prompt(list).then((answers) => {
+//   console.log('结果为:');
+//   console.log(answers);
+// })
diff --git a/nodejs/demo/package.json b/nodejs/demo/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "demo",
+  "version": "1.0.0",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "inquirer": "^7.1.0"
+  }
+}
diff --git a/nodejs/demo/readme.md b/nodejs/demo/readme.md
@@ -0,0 +1,2 @@
+## inquirer.js —— 一个用户与命令行交互的工具
+https://blog.csdn.net/qq_26733915/article/details/80461257
diff --git a/nodejs/july/isLand/middlewares/exception.js b/nodejs/july/isLand/middlewares/exception.js
@@ -17,7 +17,7 @@ const catchError = async (ctx, next) => {
 
     const isHttpException = e instanceof HttpException
     const isDev = config.environment === 'dev'
-    // 开发环境，抛出异常
+    // 开发环境，未知异常被抛出
     if (isDev && !isHttpException) {
       throw e
     }
@@ -34,4 +34,4 @@ const catchError = async (ctx, next) => {
   }
 }
 
-module.exports = catchError
+module.exports = catchError
diff --git a/sql/mongodb/01-02.production.md b/sql/mongodb/01-02.production.md
@@ -180,3 +180,5 @@ MongoDB 在保留 JSON 基本键 / 值对特性的基础上，添加了其他一
 MongoDB 中存储的文档必须有一个 "_id" 键。这个键的值可以是任何类型的，默认是个 ObjectId 对象。
 
 ## 2.7 使用MongoDB shell
+
+help()
diff --git a/sql/mongodb/MDBAuthedGuideSrc/.gitignore b/sql/mongodb/MDBAuthedGuideSrc/.gitignore
@@ -0,0 +1,2 @@
+# Created by .ignore support plugin (hsz.mobi)
+.idea/*
diff --git a/sql/mongodb/MDBAuthedGuideSrc/README.md b/sql/mongodb/MDBAuthedGuideSrc/README.md
@@ -0,0 +1,2 @@
+# MDBAuthedGuideSrc
+《MongoDB权威指南（第二版）》源码整理
diff --git a/sql/mongodb/MDBAuthedGuideSrc/ch01/info.md b/sql/mongodb/MDBAuthedGuideSrc/ch01/info.md
@@ -0,0 +1 @@
+### 第1章 MongoDB简介
diff --git a/sql/mongodb/MDBAuthedGuideSrc/ch02/01--crud/crud.js b/sql/mongodb/MDBAuthedGuideSrc/ch02/01--crud/crud.js
@@ -0,0 +1,38 @@
+/***
+ * CRUD 操作
+ ***/
+
+/***
+ * 创建文档
+ ***/
+post=//
+    {
+        "title":"My Blog Post",
+        "content":"Here is my blog post.",
+        "date":ISODate("2012-08-24T21:12:09.982Z")
+    }
+
+//插入（创建）新文档
+db.blog.insert(post);
+
+// 查询集合 blog
+db.blog.find();
+
+/***
+ *查询一条记录
+ ***/
+db.blog.findOne();
+
+/***
+ *更新文档
+ ***/
+// 增加 comments 评论功能
+post.comments=[];
+db.blog.update({title:"My Blog Post"},post);
+db.blog.findOne();
+
+/***
+ *删除文档
+ ***/
+db.blog.remove({title:"My Blog Post"});
+
diff --git a/sql/mongodb/MDBAuthedGuideSrc/ch02/02--myshell/defineConnectTo.js b/sql/mongodb/MDBAuthedGuideSrc/ch02/02--myshell/defineConnectTo.js
@@ -0,0 +1,17 @@
+// 自定义连接函数脚本
+var connectTo=function(port,dbname)//
+{
+    if(!port)//
+    {
+        port=27017;//默认端口
+    }
+
+    if(!dbname) //
+    {
+        dbname="test";//默认连接的数据库
+    }
+
+    // db 指向目标数据库
+    db=connect("localhost:"+post+"/"+dbname);
+    return db;
+}
diff --git a/sql/mongodb/MDBAuthedGuideSrc/ch02/02--myshell/mongorc.js b/sql/mongodb/MDBAuthedGuideSrc/ch02/02--myshell/mongorc.js
@@ -0,0 +1,51 @@
+// 创建 mongorc.js 执行常用脚本
+var compliment=["attractive","intelligent","like Batman"];
+var index=Math.floor(Math.random()*3);
+
+print("Hello,you are looking paricularly "+compliment[index]+" today");
+
+/***
+ *禁止某些危险函数
+ ***/
+// var no=function()//
+// {
+//     print("Not on my watch");
+// }
+//
+// //禁止删除数据库
+// db.dropDatabase=DB.prototype.dropDatabase=no;
+//
+// //禁止删除集合
+// DBCollection.prototype.drop=no;
+//
+// //禁止删除索引
+// DBCollection.prototype.dropIndex=no;
+
+// 定制 shell 提示 —— 显示当前时间
+// prompt=function()//
+// {
+//     return (new Date())+"> ";
+// }
+
+// 定制 shell 提示 —— 显示当前使用的数据库
+prompt=function()//
+{
+    if (typeof db=="undefined") //
+    {
+        return "(nodb)> ";
+    }
+
+    // 检查最后的数据库操作
+    try//
+    {
+        db.runCommand({getLastError:1});
+    }catch(e)//
+    {
+        print(e);
+    }
+
+    return db+">";
+}
+
+
+EDITOR="D:/Sublime Text 3/sublime_text";
diff --git a/sql/mongodb/MDBAuthedGuideSrc/ch02/02--myshell/myshell.js b/sql/mongodb/MDBAuthedGuideSrc/ch02/02--myshell/myshell.js
@@ -0,0 +1,52 @@
+/***
+ *定义 shell 功能
+ ***/
+// 连接到指定服务器的指定数据库
+mongo 127.0.0.1:27017/test
+
+db;
+
+// 启动时不连接任何数据库
+mongo --nodb
+
+// 启动后转链接其他数据库
+conn=new Mongo("127.0.0.1:27017");
+db=conn.getDB("blog");
+
+// 查看帮助
+help
+
+// 查看数据库级别帮助
+db.help();
+
+// 查看集合级别帮助
+db.blog.help();
+
+//查看函数的用法
+db.blog.update;
+
+// 加载脚本 defineConnectTo.js
+typeof connectTo;
+
+load('defineConnectTo.js');
+
+typeof connectTo;
+
+// 查看当前工作目录
+run("pwd");
+
+// 启动时禁止加载 .mongorc.js
+mongo --norc
+
+
+// 调用编辑器编辑复杂变量
+var wap=db.blog.findOne();
+
+edit wap;
+
+/***
+ *访问特殊集合
+ ***/
+db.version;// 仅仅访问了内部的方法
+
+db.getCollection("version"); //获取到集合
diff --git a/sql/mongodb/MDBAuthedGuideSrc/ch02/02--myshell/test.js b/sql/mongodb/MDBAuthedGuideSrc/ch02/02--myshell/test.js
@@ -0,0 +1,3 @@
+tip="我是测试脚本";
+
+print(tip);
diff --git a/sql/mongodb/MDBAuthedGuideSrc/ch02/info.md b/sql/mongodb/MDBAuthedGuideSrc/ch02/info.md
@@ -0,0 +1 @@
+### 第2章 MongoDB基础知识
diff --git a/sql/mongodb/MDBAuthedGuideSrc/ch03/01-insert/ins-test.js b/sql/mongodb/MDBAuthedGuideSrc/ch03/01-insert/ins-test.js
@@ -0,0 +1,32 @@
+/***
+ *插入测试
+ ***/
+/***
+ * 简单插入
+ ***/
+db.foo.insert({"bar":"baz"});
+
+db.foo.findOne();
+
+/***
+ * 批量插入
+ ***/
+db.foo.insert([
+    {"_id":0},
+    {"_id":1},
+    {"_id":2}
+]);
+
+db.foo.find();
+
+// 插入错误时候，前面会插入成功，后面会全部不插入
+db.foo.insert([
+    {"_id":6},
+    {"_id":7},
+    {"_id":2},
+    {"_id":8}
+]);
+
+db.foo.find();
+
+
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		## inquirer.js —— 一个用户与命令行交互的工具
		https://blog.csdn.net/qq_26733915/article/details/80461257
Original file line number	Diff line number	Diff line change
Expand Up		@@ -180,3 +180,5 @@ MongoDB 在保留 JSON 基本键 / 值对特性的基础上，添加了其他一
		MongoDB 中存储的文档必须有一个 "_id" 键。这个键的值可以是任何类型的，默认是个 ObjectId 对象。

		## 2.7 使用MongoDB shell

		help()
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# Created by .ignore support plugin (hsz.mobi)
		.idea/*
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		# MDBAuthedGuideSrc
		《MongoDB权威指南（第二版）》源码整理