sqlite数据库

sqlite数据库的常用操作

# 增删改查数据数据

// frontend/src/views/framework/sqlitedb/Index.vue
<script>
  // ac: 'add' | 'del' | 'update' | 'get'
  sqlitedbOperation (ac) {
    const params = {
      action: ac,
      info: {
        name: this.name,
        age: parseInt(this.age)
      },
      search_age: parseInt(this.search_age),
      update_name: this.update_name,
      update_age: parseInt(this.update_age),
      delete_name: this.delete_name,
    }
    if (ac == 'add' && this.name.length == 0) {
      this.$message.error(`请填写数据`);
    }
    this.$ipc.invoke(ipcApiRoute.sqlitedbOperation, params).then(res => {
      console.log('res:', res);
      if (ac == 'get') {
        if (res.result.length == 0) {
          this.$message.error(`没有数据`);
          return;
        }
        this.userList = res.result;
      }
      if (res.all_list.length == 0) {
        this.all_list = ['空'];
        return;
      }
      this.all_list = res.all_list;
      this.$message.success(`success`);
    }) 
  },
</script>

// electron/controller/framework.js
/**
 * sqlite数据库操作
 */   
async sqlitedbOperation(args) {
  const { service } = this;
  const paramsObj = args;
  const data = {
    action: paramsObj.action,
    result: null,
    all_list: []
  };
  switch (paramsObj.action) {
    case 'add' :
      data.result = await service.storage.addTestDataSqlite(paramsObj.info);;
      break;
    case 'del' :
      data.result = await service.storage.delTestDataSqlite(paramsObj.delete_name);;
      break;
    case 'update' :
      data.result = await service.storage.updateTestDataSqlite(paramsObj.update_name, paramsObj.update_age);
      break;
    case 'get' :
      data.result = await service.storage.getTestDataSqlite(paramsObj.search_age);
      break;
    case 'getDataDir' :
      data.result = await service.storage.getDataDir();
      break;
    case 'setDataDir' :
      data.result = await service.storage.setCustomDataDir(paramsObj.data_dir);
      break;            
  }
  data.all_list = await service.storage.getAllTestDataSqlite();
  return data;
}

// Make sure to add code blocks to your code group

# 修改数据文件（xx.db）的存储目录

// frontend/src/views/framework/sqlitedb/Index.vue
<script>
  selectDir() {
    this.$ipc.invoke(ipcApiRoute.selectFolder, '').then(r => {
      this.data_dir = r;
      // 修改数据目录
      this.modifyDataDir(r);
    })
  },
  modifyDataDir(dir) {
    const params = {
      action: 'setDataDir',
      data_dir: dir
    }
    this.$ipc.invoke(ipcApiRoute.sqlitedbOperation, params).then(res => {
      this.all_list = res.all_list;
    }) 
  },
</script>

// electron/controller/os.js
/**
 * 选择目录
 */
selectFolder() {
  const filePaths = dialog.showOpenDialogSync({
    properties: ['openDirectory', 'createDirectory']
  });
  if (_.isEmpty(filePaths)) {
    return null
  }
  return filePaths[0];
}

// Make sure to add code blocks to your code group

# 打开数据文件（xx.db）所在目录

// frontend/src/views/framework/sqlitedb/Index.vue
<script>
  openDir() {
    this.$ipc.invoke(ipcApiRoute.openDirectory, {id: this.data_dir}).then(res => {
      //
    })
  }, 
</script>

// electron/controller/os.js
const { app: electronApp, shell } = require('electron');
/**
 * 打开目录
 */
openDirectory(args) {
  if (!args.id) {
    return false;
  }
  let dir = '';
  if (path.isAbsolute(args.id)) {
    dir = args.id;
  } else {
    dir = electronApp.getPath(args.id);
  }
  shell.openPath(dir);
  return true;
}

// Make sure to add code blocks to your code group

# 完整代码

上次更新: 2025/04/10, 03:07:49

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