uniapp leven系列原生插件

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leven2026-06-29
798
3.9m

使用方法 ​

安卓文件操作原生插件，读写文件，文件下载等，支持读取移动设备路径等外部存储设备路径，如U盘路径，支持文件压缩与解压缩

联系作者 ​

关注微信公众号可联系作者

插件地址 ​

https://ext.dcloud.net.cn/plugin?id=14156

权限 ​

  • android.permission.INTERNET
  • android.permission.WRITE_EXTERNAL_STORAGE
  • android.permission.READ_EXTERNAL_STORAGE

用法 ​

在需要使用插件的页面加载以下代码

js
const module = uni.requireNativePlugin("leven-file-FileModule");

页面内容 ​

vue
<template>
  <view>
    <uni-card title="文件类">
      <button type="primary" @click="getFileFromSdcard">从sd卡取文件</button>
      <button type="primary" @click="saveFileToSdcard">保存文件到sd</button>
      <button type="primary" @click="getFileSizes">获取文件大小</button>
      <button type="primary" @click="getDirSize">递归取得文件夹大小</button>
      <button type="primary" @click="formatFileSize">格式化文件大小</button>
      <button type="primary" @click="getFileListCount">递归求取目录文件个数</button>
      <button type="primary" @click="searchSdCardExtFile">根据扩展名搜索sdcard文件</button>
      <button type="primary" @click="searchKeywordFile">根据关键字搜索sdcard文件</button>
      <button type="primary" @click="getDirAllFiles">获取目录下所有的文件</button>
      <button type="primary" @click="copyFile">复制文件</button>
      <button type="primary" @click="deleteFile">删除文件或目录</button>
      <button type="primary" @click="writeFile">写文件</button>
      <button type="primary" @click="getPathFileName">获取路径的文件名</button>
      <button type="primary" @click="readFileLine">读取文件(按行读取)</button>
      <button type="primary" @click="readFile">读取整个文件</button>
      <button type="primary" @click="downloadFile">下载文件</button>
    </uni-card>
  </view>
</template>

<script>
  import {
    requestAndroidPermission
  } from "@/utils/permission.js"
  const module = uni.requireNativePlugin("leven-file-FileModule");
  export default {
    data() {
      return {}
    },
    mounted() {
      // 动态开启应用权限
      this.openAndroidPermission();
    },
    methods: {
      // 从sd卡取文件
      getFileFromSdcard() {
        module.getFileFromSdcard({
          filename: "leven_file/a/1.txt"
        }, res => {
          console.log(res)
        })
      },
      // 保存文件到sd
      saveFileToSdcard() {
        module.saveFileToSdcard({
          filename: "leven_file/a/save1.txt",
          content: "这是一条测试内容"
        }, res => {
          console.log(res)
        })
      },
      // 获取文件大小
      getFileSizes() {
        module.getFileSizes({
          filePath: "/storage/emulated/0/leven_file/a/1.txt",
        }, res => {
          console.log(res)
        })
      },
      // 递归取得文件夹大小
      getDirSize() {
        module.getDirSize({
          dirPath: "/storage/emulated/0/qqmusic",
        }, res => {
          console.log(res)
        })
      },
      // 格式化文件大小
      formatFileSize() {
        module.formatFileSize({
          size: 3456789,
        }, res => {
          console.log(res)
        })
      },
      // 递归求取目录文件个数
      getFileListCount() {
        module.getFileListCount({
          dirPath: "/storage/emulated/0/qqmusic",
        }, res => {
          console.log(res)
        })
      },
      // 根据扩展名搜索sdcard文件
      searchSdCardExtFile() {
        module.searchSdCardExtFile({
          dirPath: "/storage/emulated/0/qqmusic",
          ext: ['png', 'txt'],
        }, res => {
          console.log(res)
        })
      },
      // 根据关键字搜索sdcard文件
      searchKeywordFile() {
        module.searchKeywordFile({
          dirPath: "/storage/emulated/0/qqmusic",
          keyword: "1",
        }, res => {
          console.log(res)
        })
      },
      // 获取目录下所有的文件
      getDirAllFiles() {
        module.getDirAllFiles({
          dirPath: "/storage/emulated/0/qqmusic"
        }, res => {
          console.log(res)
        })
      },
      // 复制文件
      copyFile() {
        module.copyFile({
          fromFilename: "/storage/emulated/0/qqmusic/easter_egg_config_res/easter_egg_51.png",
          toFilename: "/storage/emulated/0/leven_file/b/egg_51.png"
        }, res => {
          console.log(res)
        })
      },
      // 删除文件或目录
      deleteFile() {
        module.deleteFile({
          filePath: "/storage/emulated/0/leven_file/a/egg_51.png"
        }, res => {
          console.log(res)
        })
      },
      // 写文件
      writeFile() {
        module.writeFile({
          filename: "/storage/emulated/0/leven_file/a/test_write.txt",
          content: "123456\n",
          append: true
        }, res => {
          console.log(res)
        })
      },
      // 获取路径的文件名
      getPathFileName() {
        module.getPathFileName({
          filePath: "/storage/emulated/0/leven_file/a/test_write.txt"
        }, res => {
          console.log(res)
        })
      },
      // 读取文件(按行读取)
      readFileLine() {
        module.readFileLine({
          filename: "/storage/emulated/0/leven_file/a/test_write.txt",
          startLine: 1,
          lineCount: 1
        }, res => {
          console.log(res)
        })
      },
      // 读取整个文件
      readFile() {
        module.readFile({
          filename: "/storage/emulated/0/leven_file/a/test_write.txt",
          removeWrap: false
        }, res => {
          console.log(res)
        })
      },
      // 下载文件
      downloadFile() {
        module.downloadFile({
          url: "http://www.yeyuboke.com/svga/1.svga",
          saveDir: "/storage/emulated/0/leven_file/"
        }, res => {
          console.log(res)
        })
      },
      showToast(content) {
        uni.showToast({
          title: content,
          icon: "none"
        })
      },
      // 开启应用权限
      openAndroidPermission() {
        let that = this;
        requestAndroidPermission("android.permission.READ_EXTERNAL_STORAGE").then(res => {
          that.showToast(res)
        })
        requestAndroidPermission("android.permission.WRITE_EXTERNAL_STORAGE").then(res => {
          that.showToast(res)
        })
      }
    }
  }
</script>

<style>

</style>