Base64Codec

Full name Microsoft.VisualBasic.Net.Http.Base64Codec Assembly Microsoft.VisualBasic.Runtime Members 10

Tools API for encoded the image into a base64 string.

01 Syntax

Microsoft.VisualBasic.Net.Http.Base64Codec

02 Methods

Name	Overloads	Summary
Base64String	1	将普通文本进行base64编码
DecodeBase64	1	将base64字符串还原为原来的字符串文本
ToBase64String	3	Convert the Image from Input to Base64 Encoded String
GetImage	1	Function to Get Image from Base64 Encoded String
Base64RawBytes	1	将base64编码的字符串还原为原始的数据流
__getImageFromBase64	1	Function to Get Image from Base64 Encoded String
IsBase64Pattern	1
ToStream	1

03 Members

method Base64String #

Base64String(String, Encoding, Boolean)

将普通文本进行base64编码

Parameters

Name	Type	Description
`text`	`String`	-
`encoding`	`Encoding`	-
`gzip`	`Boolean`	do gzip compression and then encoded as base64 string?

method DecodeBase64 #

DecodeBase64(String, Encoding, Boolean, Boolean)

将base64字符串还原为原来的字符串文本

Parameters

Name	Type	Description
`base64`	`String`	a base64 encoded text string data for make decode
`encoding`	`Encoding`	-
`strict`	`Boolean`	throw exception when error occurs during base64 decode? this function will returns empty string if not strict and exception happends.

Returns

this function may returns empty string when the given base64 string is invalid and case the base64 decoder error and set strict parameter to false.

method ToBase64String overload 3 #

ToBase64String(IEnumerable(Of Byte))

将任意的字节数据序列转换为base64字符串

Parameters

Name	Type	Description
`byts`	`IEnumerable(Of Byte)`	-

method ToBase64String overload 2 #

ToBase64String(Image, ImageFormats)

Convert the Image from Input to Base64 Encoded String

Parameters

Name	Type	Description
`img`	Image	-

Returns

this function will returns empty string if the error happends

method ToBase64String #

ToBase64String(Bitmap, ImageFormats)

Convert the Image from Input to Base64 Encoded String

method GetImage #

GetImage(String, ImageFormats)

Function to Get Image from Base64 Encoded String

Parameters

Name	Type	Description
`Base64String`	`String`	-
`format`	ImageFormats	-

method Base64RawBytes #

Base64RawBytes(String)

将base64编码的字符串还原为原始的数据流

Parameters

Name	Type	Description
`base64`	`String`	-

method __getImageFromBase64 #

__getImageFromBase64(String, ImageFormats)

Function to Get Image from Base64 Encoded String

Parameters

Name	Type	Description
`base64String`	`String`	-
`format`	ImageFormats	-

method IsBase64Pattern #

IsBase64Pattern(String)

method ToStream #

ToStream(Image, ImageFormats)