VsCode之使用WebView通信详解

{
  // 插件的名字，应全部小写，不能有空格
  "name": "vscode-plugin-demo",
  // 插件的友好显示名称，用于显示在应用市场，支持中文
  "displayName": "VSCode插件demo",
  // 描述
  "description": "VSCode插件demo集锦",
  // 关键字，用于应用市场搜索
  "keywords": ["vscode", "plugin", "demo"],
  // 版本号
  "version": "1.0.0",
  // 发布者，如果要发布到应用市场的话，这个名字必须与发布者一致
  "publisher": "sxei",
  // 表示插件最低支持的vscode版本
  "engines": {
    "vscode": "^1.27.0"
  },
  // 插件应用市场分类，可选值： [Programming Languages, Snippets, Linters, Themes, Debuggers, Formatters, Keymaps, SCM Providers, Other, Extension Packs, Language Packs]
  "categories": [
    "Other"
  ],
  // 插件图标，至少128x128像素
  "icon": "images/icon.png",
  // 扩展的激活事件数组，可以被哪些事件激活扩展，后文有详细介绍
  "activationEvents": [
    "onCommand:extension.sayHello"
  ],
  // 插件的主入口
  "main": "./src/extension",
  // 贡献点，整个插件最重要最多的配置项
  "contributes": {
    // 插件配置项
    "configuration": {
      "type": "object",
      // 配置项标题，会显示在vscode的设置页
      "title": "vscode-plugin-demo",
      "properties": {
        // 这里我随便写了2个设置，配置你的昵称
        "vscodePluginDemo.yourName": {
          "type": "string",
          "default": "guest",
          "description": "你的名字"
        },
        // 是否在启动时显示提示
        "vscodePluginDemo.showTip": {
          "type": "boolean",
          "default": true,
          "description": "是否在每次启动时显示欢迎提示！"
        }
      }
    },
    // 命令
    "commands": [
      {
        "command": "extension.sayHello",
        "title": "Hello World"
      }
    ],
    // 快捷键绑定
    "keybindings": [
      {
        "command": "extension.sayHello",
        "key": "ctrl+f10",
        "mac": "cmd+f10",
        "when": "editorTextFocus"
      }
    ],
    // 菜单
    "menus": {
      // 编辑器右键菜单
      "editor/context": [
        {
          // 表示只有编辑器具有焦点时才会在菜单中出现
          "when": "editorFocus",
          "command": "extension.sayHello",
          // navigation是一个永远置顶的分组，后面的@6是人工进行组内排序
          "group": "navigation@6"
        },
        {
          "when": "editorFocus",
          "command": "extension.demo.getCurrentFilePath",
          "group": "navigation@5"
        },
        {
          // 只有编辑器具有焦点，并且打开的是JS文件才会出现
          "when": "editorFocus && resourceLangId == javascript",
          "command": "extension.demo.testMenuShow",
          "group": "z_commands"
        },
        {
          "command": "extension.demo.openWebview",
          "group": "navigation"
        }
      ],
      // 编辑器右上角图标，不配置图片就显示文字
      "editor/title": [
        {
          "when": "editorFocus && resourceLangId == javascript",
          "command": "extension.demo.testMenuShow",
          "group": "navigation"
        }
      ],
      // 编辑器标题右键菜单
      "editor/title/context": [
        {
          "when": "resourceLangId == javascript",
          "command": "extension.demo.testMenuShow",
          "group": "navigation"
        }
      ],
      // 资源管理器右键菜单
      "explorer/context": [
        {
          "command": "extension.demo.getCurrentFilePath",
          "group": "navigation"
        },
        {
          "command": "extension.demo.openWebview",
          "group": "navigation"
        }
      ]
    },
    // 代码片段
    "snippets": [
      {
        "language": "javascript",
        "path": "./snippets/javascript.json"
      },
      {
        "language": "html",
        "path": "./snippets/html.json"
      }
    ],
    // 自定义新的activitybar图标，也就是左侧侧边栏大的图标
    "viewsContainers": {
      "activitybar": [
        {
          "id": "beautifulGirl",
          "title": "美女",
          "icon": "images/beautifulGirl.svg"
        }
      ]
    },
    // 自定义侧边栏内view的实现
    "views": {
      // 和 viewsContainers 的id对应
      "beautifulGirl": [
        {
          "id": "beautifulGirl1",
          "name": "国内美女"
        },
        {
          "id": "beautifulGirl2",
          "name": "国外美女"
        },
        {
          "id": "beautifulGirl3",
          "name": "人妖"
        }
      ]
    },
    // 图标主题
    "iconThemes": [
      {
        "id": "testIconTheme",
        "label": "测试图标主题",
        "path": "./theme/icon-theme.json"
      }
    ]
  },
  // 同 npm scripts
  "scripts": {
    "postinstall": "node ./node_modules/vscode/bin/install",
    "test": "node ./node_modules/vscode/bin/test"
  },
  // 开发依赖
  "devDependencies": {
    "typescript": "^2.6.1",
    "vscode": "^1.1.6",
    "eslint": "^4.11.0",
    "@types/node": "^7.0.43",
    "@types/mocha": "^2.2.42"
  },
  // 后面这几个应该不用介绍了
  "license": "SEE LICENSE IN LICENSE.txt",
  "bugs": {
    "url": "https://github.com/sxei/vscode-plugin-demo/issues"
  },
  "repository": {
    "type": "git",
    "url": "https://github.com/sxei/vscode-plugin-demo"
  },
  // 主页
  "homepage": "https://github.com/sxei/vscode-plugin-demo/blob/master/README.md"
}

{
  "name": "helloworld",
  "displayName": "HelloWorld",
  "description": "",
  "version": "0.0.1",
  "engines": {
    "vscode": "^1.30.0"
  },
  "categories": [
    "Other"
  ],
  "activationEvents": [
    "onCommand:extension.helloWorld",
    "onCommand:extension.loginValidate"
  ],
  "main": "./out/loginValidate",
  "contributes": {
    "commands": [
      {
        "command": "extension.helloWorld",
        "title": "登录"
      },
      {
        "command": "extension.loginValidate",
        "title": "登录验证"
      }
    ]
  },
  "scripts": {
    "vscode:prepublish": "npm run compile",
    "compile": "tsc -p ./",
    "watch": "tsc -watch -p ./",
    "postinstall": "node ./node_modules/vscode/bin/install",
    "test": "npm run compile && node ./node_modules/vscode/bin/test"
  },
  "devDependencies": {
    "typescript": "^3.1.4",
    "vscode": "^1.1.25",
    "tslint": "^5.8.0",
    "@types/node": "^8.10.25",
    "@types/mocha": "^2.2.42"
  }
}

"activationEvents": [
    "onCommand:extension.helloWorld",
    "onCommand:extension.loginValidate"
  ],
  "main": "./out/loginValidate",
  "contributes": {
    "commands": [
      {
        "command": "extension.helloWorld",
        "title": "登录"
      },
      {
        "command": "extension.loginValidate",
        "title": "登录验证"
      }
    ]
  },

// The module 'vscode' contains the VS Code extensibility API
// Import the module and reference it with the alias vscode in your code below
import * as vscode from 'vscode';

// this method is called when your extension is activated
// your extension is activated the very first time the command is executed
export function activate(context: vscode.ExtensionContext) {

  // Use the console to output diagnostic information (console.log) and errors (console.error)
  // This line of code will only be executed once when your extension is activated
    console.log('Congratulations, your extension "loginValidate" is now active!');

  // The command has been defined in the package.json file
  // Now provide the implementation of the command with registerCommand
  // The commandId parameter must match the command field in package.json
  let disposable = vscode.commands.registerCommand('extension.loginValidate', () => {
    // The code you place here will be executed every time your command is executed

    // Display a message box to the user
    const panel = vscode.window.createWebviewPanel(
      'catCoding',
      'Login Validate',
      vscode.ViewColumn.One,
      {
        // Enable scripts in the webview
        enableScripts: true
      }
    );

    panel.webview.html = getWebviewContent();
  });

  context.subscriptions.push(disposable);
}

// this method is called when your extension is deactivated
export function deactivate() {}
function getWebviewContent() {
  return `<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>登录</title>
</head>
<body>
<div id="form">
<form id="login">
  <p>用户名:<input type="text" id="userName" style="color:black;"/></p>
  <p>密  码  :<input type="password" id="password" style="color:black;"/></p>
  <p>            <input type="button" style="color:black;" value="提交" onclick="test()"/>

</form>
<div id="register">
<input type="button" value="退出" onclick="exits()"/>
</div>
</div>
 <script>
 function test(){
  var xhr = new XMLHttpRequest();
  xhr.onreadystatechange = function () {
  if (xhr.readyState == 4) {
  if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304) {
  console.log(xhr.responseText);
  $("#login).hide();
  } else {
  console.log(xhr.responseText);
  }
  }
  };
  xhr.open("POST", "http://localhost:8080/test-web/sysUser/queryUserCodeByInfo?userCode=2", true);
  xhr.send(null);      
} 

function exits(){
  
 $("#login").show();

}

 </script>
</body>
</html>`;
}