用Len计算长度是多少
时间: 2024-04-16 22:26:29 浏览: 19
根据你提供的代码,你可以使用 `Len` 函数来计算字符串字段的长度。`Len` 函数返回一个表示字符串中字符个数的整数值。
以下是使用Len` 函数计算每个字符串字段的长度的示例:
```vb
Dim myMaterial As MaterialFile
myMaterial.CrockName = "Material1"
myMaterial.InputTime = "2022-01-01 10:00:00"
myMaterial.OutputTime = "2022-01-01 12:00:00"
myMaterial.CrockTemp = "300°C"
myMaterial.CrockCurrent1 = "10A"
myMaterial.CrockCurrent2 = "15A"
myMaterial.CrockCurrent3 = ""
myMaterial.CrockCurrent4 = ""
myMaterial.CrockCurrent5 = ""
myMaterial.CrockEnergy = "500kJ"
myMaterial.CrockSpsMode = "Mode1"
Dim crockNameLength As Integer = Len(myMaterial.CrockName)
Dim inputTimeLength As Integer = Len(myMaterial.InputTime)
Dim outputTimeLength As Integer = Len(myMaterial.OutputTime)
Dim crockTempLength As Integer = Len(myMaterial.CrockTemp)
Dim crockCurrent1Length As Integer = Len(myMaterial.CrockCurrent1)
Dim crockCurrent2Length As Integer = Len(myMaterial.CrockCurrent2)
Dim crockCurrent3Length As Integer = Len(myMaterial.CrockCurrent3)
Dim crockCurrent4Length As Integer = Len(myMaterial.CrockCurrent4)
Dim crockCurrent5Length As Integer = Len(myMaterial.CrockCurrent5)
Dim crockEnergyLength As Integer = Len(myMaterial.CrockEnergy)
Dim crockSpsModeLength As Integer = Len(myMaterial.CrockSpsMode)
Console.WriteLine("CrockName Length: " & crockNameLength)
Console.WriteLine("InputTime Length: " & inputTimeLength)
Console.WriteLine("OutputTime Length: " & outputTimeLength)
Console.WriteLine("CrockTemp Length: " & crockTempLength)
Console.WriteLine("CrockCurrent1 Length: " & crockCurrent1Length)
Console.WriteLine("CrockCurrent2 Length: " & crockCurrent2Length)
Console.WriteLine("CrockCurrent3 Length: " & crockCurrent3Length)
Console.WriteLine("CrockCurrent4 Length: " & crockCurrent4Length)
Console.WriteLine("CrockCurrent5 Length: " & crockCurrent5Length)
Console.WriteLine("CrockEnergy Length: " & crockEnergyLength)
Console.WriteLine("CrockSpsMode Length: " & crockSpsModeLength)
```
以上代码将输出每个字符串字段的长度。`Len` 函数将返回字段中的字符个数,不包括空格或其他特殊字符。
希望这能解答你的问题!如果你还有其他疑问,请随时提问。