ios - Phonegap + 数据库存储

Question

在我的应用程序中，我需要导入 Facebook 联系人。存储联系人信息的最佳做法是什么？

我有两个选择:

1. 本地存储
2. 外部数据库(例如mysql)

谢谢!

Answer 1

我会建议 this SQLite wrapper

它的使用非常简单。类似web sql的使用

// Wait for Cordova to load
document.addEventListener("deviceready", onDeviceReady, false);

// Cordova is ready
function onDeviceReady() {
  var db = window.sqlitePlugin.openDatabase({name: "my.db"});
  // ...
}

例子:

// Wait for Cordova to load
document.addEventListener("deviceready", onDeviceReady, false);

// Cordova is ready
function onDeviceReady() {
  var db = window.sqlitePlugin.openDatabase({name: "my.db"});

  db.transaction(function(tx) {
    tx.executeSql('DROP TABLE IF EXISTS test_table');
    tx.executeSql('CREATE TABLE IF NOT EXISTS test_table (id integer primary key, data text, data_num integer)');

    // demonstrate PRAGMA:
    db.executeSql("pragma table_info (test_table);", [], function(res) {
      console.log("PRAGMA res: " + JSON.stringify(res));
    });

    tx.executeSql("INSERT INTO test_table (data, data_num) VALUES (?,?)", ["test", 100], function(tx, res) {
      console.log("insertId: " + res.insertId + " -- probably 1");
      console.log("rowsAffected: " + res.rowsAffected + " -- should be 1");

      db.transaction(function(tx) {
        tx.executeSql("select count(id) as cnt from test_table;", [], function(tx, res) {
          console.log("res.rows.length: " + res.rows.length + " -- should be 1");
          console.log("res.rows.item(0).cnt: " + res.rows.item(0).cnt + " -- should be 1");
        });
      });

    }, function(e) {
      console.log("ERROR: " + e.message);
    });
  });
}

在插件文档中查看更多内容。