如何为extjs textfield设置值?

i have a lot of textfields for userdata. and i wish to set it from DB.

我有很多用户数据的文本域。我想从DB开始设置它。

items: [{
                        xtype: "form",
                        bodyPadding: 5,
                        border: false,
                        defaults: {
                            xtype: "textfield",
                            inputType: "text",
                            anchor: "100%"
                        },
                        items: [{
                            fieldLabel: 'Username:',
                            readOnly: true,
                            value: 'Admin',
                            name: "username"
                        }, {

i have external class named openDB.js with method getUserByUsername() here is small code how its will be used in other view and it works, but in my actuall view i cant set the Value of textfield. please help how to do that?

我有一个外部类openDB。有getUserByUsername()方法的js这里有一个小代码，它是如何在其他视图中使用的，它可以工作的，但是在我的actuall视图中，我不能设置textfield的值。请帮忙怎么做?

 openDB.getUserByUsername(user.username).then(function(userDetails) {
            me.setTitle("Welcome " + userDetails.mail + "!");
        });

i want to do something like this with value: 'Admin' and so on...

我想用value做类似的事情:“Admin”等等……

i found some method on Sencha Forum, but can I use it??

我在Sencha Forum上找到了一些方法，但是我可以使用它吗?

setValue: function(value) {
        var me = this;
        me.setRawValue(me.valueToRaw(value));
        return me.mixins.field.setValue.call(me, value);
    },

2 个解决方案

#1

after couple hours of fighting with that -> BEST SOLUTION EVER:

经过几个小时的战斗，>的最佳解决方案:

items: [{
                        fieldLabel: 'Username:',
                        id: 'usernameID',
                        readOnly: true,
                        value: user.username,
                        name: "username"
}]
... 
var name = Ext.getCmp('usernameID').setValue('JohnRambo');

#2

Why not just set up a model and store for your form and use the loadRecord method?

为什么不建立一个模型并存储表单并使用loadRecord方法呢?

#1