zsydgithub пре 1 година
родитељ
комит
da4b8b9196

+ 24 - 0
Ts-函数/1_函数.ts

@@ -0,0 +1,24 @@
+(() => {
+  // //命名函数
+  // function add(x, y) {
+  //   return x + y
+  // }
+  // //匿名函数
+  // let myAdd = function (x, y) {
+  //   return x + y
+  // }
+
+  // function add(x: number, y: number): number {
+  //   return x + y
+  // }
+
+  // let myAdd = function (x: number, y: number): number {
+  //   return x + y
+  // }
+
+  //书写完整版本
+  let myAdd2: (x:number,y:number)=> number = function(x:number,y:number):number{
+    return x + y
+  }
+
+})()

+ 22 - 0
Ts-函数/2_函数的参数.ts

@@ -0,0 +1,22 @@
+(() => {
+  //可选参数
+  // function buildName(firstName: string = 'A',lastName?:string):string{
+  //   if(lastName){
+  //     return firstName + lastName
+  //   } else{
+  //     return firstName
+  //   }
+  // }
+  // console.log(buildName('C','D'))
+  // console.log(buildName('C'))
+  // console.log(buildName())
+
+
+  //剩余参数
+  function info(x:string,...args:string[]){
+    console.log(x,args)
+  }
+  info('abc','a','b','c')
+
+
+})()

+ 27 - 0
Ts-函数/3_函数重载.ts

@@ -0,0 +1,27 @@
+//函数重载: 函数名相同,形参不同的多个函数
+(() => {
+  //需求:有一个add函数,可以接收两个string类型的参数进行拼接
+  //也可以接收两个number类型的参数进行相加
+
+  // function add(x: string, y: string): string {
+  //   return x + y
+  // }
+  // function add(x: number, y: number): number {
+  //   return x + y
+  // }
+
+  function add(x: string | number, y: string | number): string | number {
+    // return x + y
+    //在实现上我们要注意严格判断两个参数的类型是否相等而不能直接写x+y
+
+    if (typeof x === 'string' && typeof y === 'string') {
+      return x + y
+    } else if (typeof x === 'number' && typeof y === 'number') {
+      return x + y
+    }
+  }
+  console.log(add(1,2))
+  console.log(add('a','b'))
+  console.log(add(1,'a'))
+
+})()

+ 20 - 0
Ts-函数/js/1_函数.js

@@ -0,0 +1,20 @@
+(function () {
+    // //命名函数
+    // function add(x, y) {
+    //   return x + y
+    // }
+    // //匿名函数
+    // let myAdd = function (x, y) {
+    //   return x + y
+    // }
+    // function add(x: number, y: number): number {
+    //   return x + y
+    // }
+    // let myAdd = function (x: number, y: number): number {
+    //   return x + y
+    // }
+    //书写完整版本
+    var myAdd2 = function (x, y) {
+        return x + y;
+    };
+})();

+ 23 - 0
Ts-函数/js/2_函数的参数.js

@@ -0,0 +1,23 @@
+"use strict";
+(function () {
+    //可选参数
+    // function buildName(firstName: string = 'A',lastName?:string):string{
+    //   if(lastName){
+    //     return firstName + lastName
+    //   } else{
+    //     return firstName
+    //   }
+    // }
+    // console.log(buildName('C','D'))
+    // console.log(buildName('C'))
+    // console.log(buildName())
+    //剩余参数
+    function info(x) {
+        var args = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            args[_i - 1] = arguments[_i];
+        }
+        console.log(x, args);
+    }
+    info('abc', 'a', 'b', 'c');
+})();

+ 24 - 0
Ts-函数/js/3_函数重载.js

@@ -0,0 +1,24 @@
+//函数重载: 函数名相同,形参不同的多个函数
+(function () {
+    //需求:有一个add函数,可以接收两个string类型的参数进行拼接
+    //也可以接收两个number类型的参数进行相加
+    // function add(x: string, y: string): string {
+    //   return x + y
+    // }
+    // function add(x: number, y: number): number {
+    //   return x + y
+    // }
+    function add(x, y) {
+        // return x + y
+        //在实现上我们要注意严格判断两个参数的类型是否相等而不能直接写x+y
+        if (typeof x === 'string' && typeof y === 'string') {
+            return x + y;
+        }
+        else if (typeof x === 'number' && typeof y === 'number') {
+            return x + y;
+        }
+    }
+    console.log(add(1, 2));
+    console.log(add('a', 'b'));
+    console.log(add(1, 'a'));
+})();

+ 72 - 0
Ts-函数/tsconfig.json

@@ -0,0 +1,72 @@
+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+    /* Basic Options */
+    // "incremental": true,                         /* Enable incremental compilation */
+    "target": "es5",                                /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', 'ES2021', or 'ESNEXT'. */
+    "module": "commonjs",                           /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
+    // "lib": [],                                   /* Specify library files to be included in the compilation. */
+    // "allowJs": true,                             /* Allow javascript files to be compiled. */
+    // "checkJs": true,                             /* Report errors in .js files. */
+    // "jsx": "preserve",                           /* Specify JSX code generation: 'preserve', 'react-native', 'react', 'react-jsx' or 'react-jsxdev'. */
+    // "declaration": true,                         /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                      /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    // "sourceMap": true,                           /* Generates corresponding '.map' file. */
+    // "outFile": "./",                             /* Concatenate and emit output to single file. */
+    "outDir": "./js",                              /* Redirect output structure to the directory. */
+    // "rootDir": "./",                             /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                           /* Enable project compilation */
+    // "tsBuildInfoFile": "./",                     /* Specify file to store incremental compilation information */
+    // "removeComments": true,                      /* Do not emit comments to output. */
+    // "noEmit": true,                              /* Do not emit outputs. */
+    // "importHelpers": true,                       /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,                  /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,                     /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+
+    /* Strict Type-Checking Options */
+    "strict": false,                                 /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                       /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,                    /* Enable strict null checks. */
+    // "strictFunctionTypes": true,                 /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,                 /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,        /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                      /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                        /* Parse in strict mode and emit "use strict" for each source file. */
+
+    /* Additional Checks */
+    // "noUnusedLocals": true,                      /* Report errors on unused locals. */
+    // "noUnusedParameters": true,                  /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,                   /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,          /* Report errors for fallthrough cases in switch statement. */
+    // "noUncheckedIndexedAccess": true,            /* Include 'undefined' in index signature results */
+    // "noImplicitOverride": true,                  /* Ensure overriding members in derived classes are marked with an 'override' modifier. */
+    // "noPropertyAccessFromIndexSignature": true,  /* Require undeclared properties from index signatures to use element accesses. */
+
+    /* Module Resolution Options */
+    // "moduleResolution": "node",                  /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                             /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                                 /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                              /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                             /* List of folders to include type definitions from. */
+    // "types": [],                                 /* Type declaration files to be included in compilation. */
+    // "allowSyntheticDefaultImports": true,        /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true,                        /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    // "preserveSymlinks": true,                    /* Do not resolve the real path of symlinks. */
+    // "allowUmdGlobalAccess": true,                /* Allow accessing UMD globals from modules. */
+
+    /* Source Map Options */
+    // "sourceRoot": "",                            /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                               /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,                     /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                       /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+
+    /* Experimental Options */
+    // "experimentalDecorators": true,              /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,               /* Enables experimental support for emitting type metadata for decorators. */
+
+    /* Advanced Options */
+    "skipLibCheck": true,                           /* Skip type checking of declaration files. */
+    "forceConsistentCasingInFileNames": true        /* Disallow inconsistently-cased references to the same file. */
+  }
+}

+ 13 - 0
Ts-函数/页面.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Document</title>
+</head>
+<body>
+  <!-- <script src="./js/2_函数的参数.js"></script> -->
+  <script src="./js/3_函数重载.js"></script>
+</body>
+</html>

+ 9 - 0
Ts-类/7_静态属性.ts

@@ -0,0 +1,9 @@
+//静态属性: 在类中 通过static修饰的属性或者方法 那么就是静态属性 也称之为静态成员
+(()=>{
+  class Person{
+    name1: string = 'A'
+    static name2: string = 'B'
+  }
+  console.log(Person.name2)
+  console.log(new Person().name1)
+})()

+ 12 - 0
Ts-类/js/7_静态属性.js

@@ -0,0 +1,12 @@
+//静态属性: 在类中 通过static修饰的属性或者方法 那么就是静态属性 也称之为静态成员
+(function () {
+    var Person = /** @class */ (function () {
+        function Person() {
+            this.name1 = 'A';
+        }
+        Person.name2 = 'B';
+        return Person;
+    }());
+    console.log(Person.name2);
+    console.log(new Person().name1);
+})();

+ 2 - 1
Ts-类/页面.html

@@ -12,6 +12,7 @@
   <!-- <script src="./js/3_多态.js"></script> -->
   <!-- <script src="./js/4_修饰符.js"></script> -->
   <!-- <script src="./js/5_readonly修饰符.js"></script> -->
-  <script src="./js/6_存储器.js"></script>
+  <!-- <script src="./js/6_存储器.js"></script> -->
+  <script src="./js/7_静态属性.js"></script>
 </body>
 </html>