DigestUtil (weixin4j 1.10.1 API)

java.lang.Object
- com.foxinmy.weixin4j.util.DigestUtil

```
public final class DigestUtil
extends Object
```
签名工具类

Since:

JDK 1.6

Author:

jinyu(foxinmy@gmail.com)

Constructor Summary

Constructors
Constructor Description

DigestUtil()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`HMACSHA256(String content, String key)`	HMAC-SHA256签名
`static String`	`MD5(String content)`	MD5签名
`static String`	`SHA(String content)`	SHA签名
`static String`	`SHA1(String content)`	SHA1签名

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DigestUtil
```
public DigestUtil()
```
- Method Detail
  - SHA1
```
public static String SHA1(String content)
```
    SHA1签名
    
    Parameters:
    
    content - 待签名字符串
    
    Returns:
    
    签名后的字符串
  - SHA
```
public static String SHA(String content)
```
    SHA签名
    
    Parameters:
    
    content - 待签名字符串
    
    Returns:
    
    签名后的字符串
  - MD5
```
public static String MD5(String content)
```
    MD5签名
    
    Parameters:
    
    content - 待签名字符串
    
    Returns:
    
    签名后的字符串
  - HMACSHA256
```
public static String HMACSHA256(String content,
                                String key)
                         throws InvalidKeyException
```
    HMAC-SHA256签名
    
    Parameters:
    
    content - 待签名字符串
    
    key - 支付密钥
    
    Returns:
    
    Throws:
    
    InvalidKeyException