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.Net语言 APP开发平台——Smobiler学习日志:如何快速实现手机上的资源上传功能

2017-02-07 22:08 1076 查看
最前面的话:Smobiler是一个在VS环境中使用.Net语言来开发APP的开发平台,也许比Xamarin更方便

 

一、目标样式



我们要实现上图中的效果,需要如下的操作:

1.从工具栏上的“Smobiler Components”拖动一个ResourceUploader控件和一个ImageButton控件到窗体界面上



2.ImageButton的Click事件

VB:
Private Sub imageButton1_Click(sender As Object, e As EventArgs)Handles imageButton1.Click
resourceUploader1.Show()
End Sub

C#:
private void imageButton1_Click(object sender, EventArgs e)
{
resourceUploader1.Show();
}

3.修改ResourceUploader控件的属性

a.MaxSelectCount属性

设置资源单次上传的最大数量,默认设置为“9”,一次最多上传9张图片,如图1;

b.QualityMode属性

获取或设置相机组件上传质量的模式,默认设置为“Custom”,即表示压缩上传和原图上传都支持,如图2;

若将该属性设置为“Compressed”,则表示只能压缩上传;

若将该属性设置为“Original”,则表示只能原图上传;



图1图2

c.Uploading事件

VB:
Dim imglist As List(Of String) = New List(Of String)
Private Sub resourceUploader1_Uploading(sender As Object, e As BarcodeData)Handles resourceUploader1.Uploading
Try
If e.IsError = False Then
e.SaveFile()
imglist.Add(e.ResourceID)
getImg()
End If
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
End Sub

C#:
private List<string> imglist = new List<string>();
private void resourceUploader1_Uploading(object sender, BinaryData e)
{
try
{
if (e.IsError == false)
{
e.SaveFile();
imglist.Add(e.ResourceID);
getImg();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}

注:调用ResourceUploader控件来获取图片

d.其他代码

VB:
Private Sub resourceuploader1_ImageCaptured(sender As Object, e As BarcodeData)Handles resourceuploader1.ImageCaptured
If imglist.Count > 0 & imglist.Count <= 9 Then
For i = 0 To imglist.Count Step 1
Select Case i
Case 1
img1.Visible = true
btndelimg1.Visible = true
img1.ResourceID = imglist(i - 1)
img1.Refresh()
Case 2
img2.Visible = true
btndelimg2.Visible = true
img2.ResourceID = imglist(i - 1)
img2.Refresh()
Case 3
img3.Visible = true
btndelimg3.Visible = true
img3.ResourceID = imglist(i - 1)
img3.Refresh()
Case 4
img4.Visible = true
btndelimg4.Visible = true
img4.ResourceID = imglist(i - 1)
img4.Refresh()
Case 5
img5.Visible = true
btndelimg5.Visible = true
img5.ResourceID = imglist(i - 1)
img5.Refresh()
Case 6
img6.Visible = true
btndelimg6.Visible = true
img6.ResourceID = imglist(i - 1)
img6.Refresh()
Case 7
img7.Visible = true
btndelimg7.Visible = true
img7.ResourceID = imglist(i - 1)
img7.Refresh()
Case 8
img8.Visible = true
btndelimg8.Visible = true
img8.ResourceID = imglist(i - 1)
img8.Refresh()
Case 9
img9.Visible = true
btndelimg9.Visible = true
img9.ResourceID = imglist(i - 1)
img9.Refresh()
End Select
Next
End If
End Sub

C#:
private void getImg()
{
if (imglist.Count > 0 & imglist.Count <= 9)
{
for (int i = 1; i <= imglist.Count; i++)
{
switch (i)
{
case 1:
img1.Visible = true;
btndelimg1.Visible = true;
img1.ResourceID = imglist[i - 1];
img1.Refresh();
break;
case 2:
img2.Visible = true;
btndelimg2.Visible = true;
img2.ResourceID = imglist[i - 1];
img2.Refresh();
break;
case 3:
img3.Visible = true;
btndelimg3.Visible = true;
img3.ResourceID = imglist[i - 1];
img3.Refresh();
break;
case 4:
img4.Visible = true;
btndelimg4.Visible = true;
img4.ResourceID = imglist[i - 1];
img4.Refresh();
break;
case 5:
img5.Visible = true;
btndelimg5.Visible = true;
img5.ResourceID = imglist[i - 1];
img5.Refresh();
break;
case 6:
img6.Visible = true;
btndelimg6.Visible = true;
img6.ResourceID = imglist[i - 1];
img6.Refresh();
break;
case 7:
img7.Visible = true;
btndelimg7.Visible = true;
img7.ResourceID = imglist[i - 1];
img7.Refresh();
break;
case 8:
img8.Visible = true;
btndelimg8.Visible = true;
img8.ResourceID = imglist[i - 1];
img8.Refresh();
break;
case 9:
img9.Visible = true;
btndelimg9.Visible = true;
img9.ResourceID = imglist[i - 1];
img9.Refresh();
break;
}
}
}
}

二、手机效果显示





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