excel.util
类 Base64Coder

java.lang.Object
  excel.util.Base64Coder

public class Base64Coder
extends java.lang.Object

构造函数摘要

Base64Coder()

方法摘要

static byte[]	decode(char[] in) Decodes Base64 data.
static java.lang.String	decode(java.lang.String s) Decodes a Base64 string.
static char[]	encode(byte[] in) Encodes a byte array into Base64 format.
static char[]	encode(byte[] in, int length)
static java.lang.String	encode(java.lang.String s) Encodes a string into Base64 format.

从类 java.lang.Object 继承的方法

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造函数详细信息

Base64Coder

public Base64Coder()

方法详细信息

encode

public static java.lang.String encode(java.lang.String s)

Encodes a string into Base64 format. No blanks or line breaks are inserted.

参数：

s - a String to be encoded.

返回：

A String with the Base64 encoded data.

encode

public static char[] encode(byte[] in)

Encodes a byte array into Base64 format. No blanks or line breaks are inserted.

参数：

in - an array containing the data bytes to be encoded.

返回：

A character array with the Base64 encoded data.

encode

public static char[] encode(byte[] in,
                            int length)

decode

public static java.lang.String decode(java.lang.String s)

Decodes a Base64 string.

参数：

s - a Base64 String to be decoded.

返回：

A String containing the decoded data.

抛出：

java.lang.IllegalArgumentException - if the input is not valid Base64 encoded data.

decode

public static byte[] decode(char[] in)

Decodes Base64 data. No blanks or line breaks are allowed within the Base64 encoded data.

参数：

in - a character array containing the Base64 encoded data.

返回：

An array containing the decoded data bytes.

抛出：

java.lang.IllegalArgumentException - if the input is not valid Base64 encoded data.