uni-app是一个使用Vue.js开发跨平台个人文库应用的前端框架，开发者编写一套代码，可编译到的iOS，安卓，H5，小程序等多个平台。

1.首先开发者需先下载安装 HBuilderX

1）在HBuilderX 点击工具栏里的文件 - >新建 - >项目：

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2.项目目录

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3. 创建页面

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4.页面及tabbar配置

{
    "pages": [ //pages数组中第一项表示应用启动页，参考：https://uniapp.dcloud.io/collocation/pages
        {
            "path": "pages/index/index",
            "style": {
                "navigationBarTitleText": "uni-app"
            }
        },
        {
            "path": "pages/homework/homework",
            "style": {
                "navigationBarTitleText": "uni-app"
            }
        },
        {
            "path": "pages/personal/personal",
            "style": {
                "navigationBarTitleText": "uni-app"
            }
        }
    ],
    "globalStyle": {
        "navigationBarTextStyle": "black",
        "navigationBarTitleText": "uni-app",
        "navigationBarBackgroundColor": "#F8F8F8",
        "backgroundColor": "#F8F8F8"
    },
    "tabBar": {
    "color": "#C3B8B4",
    "selectedColor": "#F76605",
    "borderStyle": "white",
    "backgroundColor": "#fff",
    "list": [
      {
        "pagePath": "pages/index/index",
        "text": "学员",
        "iconPath": "static/indexNormal.png",
        "selectedIconPath": "static/indexActive.png"
      },
      {
        "pagePath": "pages/homework/homework",
        "text": "作业",
        "iconPath": "static/homeworkNormal.png",
        "selectedIconPath": "static/homeworkActive.png"
      },
      {
        "pagePath": "pages/personal/personal",
        "text": "我的",
        "iconPath": "static/personalNormal.png",
        "selectedIconPath": "static/personalActive.png"
      }
    ]
  }
}

5.运行

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6.运行效果图

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