
[英]in ExtJS, is it better to call Model.save() or Store.Sync()?
[英]ExtJS4 - Adding multiple model to a store then calling store.sync does not save all the data
美好的一天,我正在使用ExtJS4构建Web应用程序,在那里我创建了多个模型,然后将它们添加到商店中,然后同步了商店。 但是,在调用store.sync()
,我看到一个空白的数据库条目。
我的代码是这样的:
this.mon(uploadDialog, 'uploadcomplete', function(uploadPanel, manager, items, errorCount) {
var itemCount = items.length;
for(var i = 0 ; i < itemCount ; i++){
pathArray.push(items[i].getName());
}
console.log('---------- pathArray count = ' + pathArray.length);
var galleryStore = Ext.getStore('userProfileGallery');
var userStore = Ext.getStore('userStore');
var userModel = userStore.first();
//------------ Iterate through the items, create a model, then add model to the store
for(var j = 0 ; j < itemCount ; j++){
var personPhotoModel = Ext.ModelManager.create({
}, 'myappName.model.userPhoto');
var currentdate = new Date();
var uploadDate = currentdate.getDate() + "/" +
(currentdate.getMonth()+1) + "/" +
currentdate.getFullYear();
var uploadTime = currentdate.getHours() + ":" +
currentdate.getMinutes() + ":" +
currentdate.getSeconds();
personPhotoModel.set("image_path", "gallery/" + pathArray[j]);
personPhotoModel.set("description", "Gallery Image");
personPhotoModel.set("upload_date", uploadDate);
personPhotoModel.set("upload_time", uploadTime);
personPhotoModel.set("user_id", userModel.get('user_id'));
galleryStore.add(personPhotoModel);
console.log('gallery store count = ' + galleryStore.count());
}
//---------- sync the store here
console.log('gallery store count = ' + galleryStore.count());
galleryStore.sync();
}, this);
到目前为止,我只尝试通过仅上传一个文件来制作1个模型,并且效果很好。 但是,当我向商店中添加多个模型并同步商店时,无论我添加了多少项目,都会得到一个空白行。
很感谢任何形式的帮助。 谢谢。
我看不到为什么您的代码无法按预期运行,但是我看到很多改进的余地:
Ext.ModelManager.create
不推荐使用Ext.create('Your Model', data);
record.beginEdit()
, record.endEdit()
进行批量编辑。 这可以防止烧事件的每set
这就是我要做的:
this.mon(uploadDialog, 'uploadcomplete', function (uploadPanel, manager, items, errorCount) {
var itemCount = items.length,
now = new Date(),
uploadDate = Ext.Date.format(now, 'd/m/Y'),
uploadTime = Ext.Date.format(now, 'H:i:s'),
i;
for (i = 0; i < itemCount; i++) {
pathArray.push(items[i].getName());
}
console.log('---------- pathArray count = ' + pathArray.length);
var galleryStore = Ext.getStore('userProfileGallery'),
userStore = Ext.getStore('userStore'),
user = userStore.first();
//------------ Iterate through the items, create a model, then add model to the store
for (i = 0; i < itemCount; i++) {
galleryStore.add(Ext.create('MyappName.model.UserPhoto', {
image_path: "gallery/" + pathArray[i],
description: "Gallery Image",
upload_date: uploadDate,
upload_time: uploadTime,
user_id: user.get('user_id')
}));
console.log('gallery store count = ' + galleryStore.count());
}
//---------- sync the store here
console.log('gallery store count = ' + galleryStore.count());
galleryStore.sync();
}, this);
如果这不起作用,您的错误就不在这段代码中,而是在商店,模型或后端中
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