Ionic2 Study Notes (8): Local storage& SQLite

GreyOriginal address: http://www.cnblogs.com/greyzeng/p/5557947.html

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? Ionic2 can have two ways of storing data, Local storage and SQLite

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Localstorage

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Because it is more accessible, it is not suitable for data that is more sensitive

For example, you can store: the user is logged in information. Some session information, etc.

Specific usage:

• Go to project directory: CD Myfirstapp
• set a button on the home page, click the button, get the Localstorage data and print it in the console

  app/pages/home/home.html

  in app/pages/home/ Add a processing method to the Home.ts:
  

  We can through

  this.local = new Storage (localstorage);

  this.local.set (' IsLogin ', false);

  and by:

  this.local.get (' IsLogin ');

• Run: Ionic serve-l

  Click the button and open the Chrome console to see the output:

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Sqlite

We can also store data through SQLite, and use SQL statements to implement related storage.

• First we have to add a plugin: Go to project directory: CD Myfirstapp

  Run:Ionic plugin add https://github.com/litehelpers/Cordova-sqlite-storage

• In App/app.ts, we initialize some of the database information first:

• Add a button and a label to the app/pages/home/home.html, and click the button to show the FirstName field people the first record of the table in the database dbname6:

  App/pages/home/home.html

  In App/pages/home/home.ts, add the appropriate method to get the data in the database:

• Run: Ionic serve-l

  Click the ShowData button:

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MORE: Use SQLite in Ionic 2 Instead of Local Storage

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Ionic2 Study Notes (8): Local storage& SQLite