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這是一個非常奇怪的問題。我修改了sencha touch 2的sql代理。實際上,我只是更改了一些配置和名稱,非代碼被修改了,除了一些console.log。當我使用chrome進行調試時,createTable的代碼是execute,並且創建了數據庫,但帶有create table的executeSql不起作用。我已經添加成功和失敗回調,但他們沒有執行。無法使用Sencha Touch 2 SQL代理在Web SQL中創建表
我的意思是奇怪的,因爲原始的JavaScript代碼工作正常。我將在稍後粘貼代碼,但我幾乎無法想象它爲什麼會發生。
對不起,我英文很差。
原始代碼可以工作:
var db = openDatabase("TDD", "1.0", "TDD Database", 5 * 1024 * 1024);
db.transaction(function(tx){
tx.executeSql("CREATE TABLE IF NOT EXISTS Activities " +
"(id INTEGER PRIMARY KEY AUTOINCREMENT, user_id INTEGER, " +
"title TEXT, location TEXT)");
});
煎茶觸摸SQL代理(只有需要的代碼):
/**
* PhoneGap proxy.
*/
Ext.define('TDD.proxy.PhoneGap', {
alias: 'proxy.phonegap',
extend: 'Ext.data.proxy.Client',
conf ig: {
/**
* @cfg {Object} reader
* @hide
*/
reader: null,
/**
* @cfg {Object} writer
* @hide
*/
writer: null,
table: null,
database: 'TDD',
columns: '',
uniqueIdStrategy: false,
tableExists: false,
defaultDateFormat: 'Y-m-d H:i:s.u'
},
create: function (operation, callback, scope) {
var me = this,
db = me.getDatabaseObject(),
records = operation.getRecords(),
tableExists = me.getTableExists();
operation.setStarted();
db.transaction(function(transaction) {
if (!tableExists) {
me.createTable(transaction);
}
me.insertRecords(records, transaction, function(resultSet, errors) {
if (operation.process(operation.getAction(), resultSet) === false) {
me.fireEvent('exception', this, operation);
}
if (typeof callback == 'function') {
callback.call(scope || this, operation);
}
}, this);
});
},
createTable: function (transaction) {
var sql = 'CREATE TABLE IF NOT EXISTS ' + this.getTable() + ' (' + this.getSchemaString() + ')';
console.log(sql);
transaction.executeSql(sql, [],
function(tx, results) {
console.log("Success.");
console.log(results);
},
function(tx, errors) {
console.log("Fail.");
console.log(errors);
}
);
// Don't work either.
transaction.executeSql("Create Table item (id integer, TT text)");
this.setTableExists(true);
},
getDatabaseObject: function() {
return openDatabase(this.getDatabase(), '1.0', 'TDD Database', 5 * 1024 * 1024);
}
});