Interface FormFile实用说明

文件的上传的说明

方法摘要说明

void destroy()销毁所有内容为上传的文件，包括任何潜在的数据文件。

java.lang.String getContentType()返回的内容类型为这个数据文件。

byte[] getFileData()传回的数据为整个文件作为字节数组。

java.lang.String getFileName()传回的数据文件名称，这个数据文件。

int getFileSize()  返回数据文件的大小

java.io.InputStream getInputStream()返回一个输入流此数据文件。

void setContentType(java.lang.String contentType)这个数据文件位集合的数据类型
void setFileName(java.lang.String fileName)返回的集合的数据文件名称
void setFileSize(int fileSize)设置文件的大小




getContentType
      public java.lang.String getContentType()
      返回的内容类型为这个档案。
      Returns:
      A String representing content type.

setContentType
public void setContentType(java.lang.String contentType)
Parameters:
    contentType - The content type for the file.

getFileSize
   public int getFileSize()
   Returns:
   The size of the file, in bytes.
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setFileSize
   public void setFileSize(int fileSize)
   Parameters:
   fileSize - The size of the file, in bytes,
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getFileName
   public java.lang.String getFileName()Returns the file name of this file.
             This is the base name of the file, as supplied by the user when the file was uploaded.
   Returns:
   The base file name.
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setFileName
   public void setFileName(java.lang.String fileName)Sets the file name of this file.
   Parameters:
   fileName - The base file name.

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getFileData
   public byte[] getFileData() throws java.io.FileNotFoundException,
                               java.io.IOException
   Returns:
       The file data as a byte array.
   Throws:
         java.io.FileNotFoundException - if the uploaded file is not found.
         java.io.IOException - if an error occurred while reading the file.
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getInputStream
     public java.io.InputStream getInputStream() throws java.io.FileNotFoundException,
                                          java.io.IOException
     Throws:
          java.io.FileNotFoundException - if the uploaded file is not found.
          java.io.IOException - if an error occurred while reading the file.
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destroy
    public void destroy()Destroys all content for the uploaded file, including any underlying data files.