ServerToolkits (weixin4j 1.10.1 API)

java.lang.Object
- com.zone.weixin4j.util.ServerToolkits

```
public final class ServerToolkits
extends Object
```
工具包

Since:

JDK 1.7

Author:

jinyu(foxinmy@gmail.com)

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`AES`
`static String`	`CONTENTTYPE$APPLICATION_XML`
`static String`	`CONTENTTYPE$TEXT_PLAIN`
`static String`	`PROTOCOL_FILE`
`static String`	`PROTOCOL_JAR`
`static String`	`SHA1`
`static Charset`	`UTF_8`

Constructor Summary

Constructors
Constructor Description

ServerToolkits()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`digestSHA1(String content)`	SHA1签名
`static String`	`generateRandomString(int length)`	返回一个定长的随机字符串(包含数字和大小写字母)
`static byte[]`	`getBytesUtf8(String content)`
`static boolean`	`isBlank(CharSequence cs)`	判断字符串是否为空
`static void`	`makeConstructorAccessible(Constructor<?> ctor)`	构造器设置为可见
`static String`	`newStringUtf8(byte[] bytes)`

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

Field Detail

UTF_8
```
public static final Charset UTF_8
```

AES
```
public static final String AES
```
See Also:

Constant Field Values

SHA1
```
public static final String SHA1
```
See Also:

Constant Field Values

PROTOCOL_FILE

public static final String PROTOCOL_FILE

See Also:: Constant Field Values

PROTOCOL_JAR

public static final String PROTOCOL_JAR

See Also:: Constant Field Values

CONTENTTYPE$APPLICATION_XML

public static final String CONTENTTYPE$APPLICATION_XML

See Also:: Constant Field Values

CONTENTTYPE$TEXT_PLAIN

public static final String CONTENTTYPE$TEXT_PLAIN

See Also:: Constant Field Values

Constructor Detail
- ServerToolkits
```
public ServerToolkits()
```

Method Detail
- generateRandomString
```
public static String generateRandomString(int length)
```
  返回一个定长的随机字符串(包含数字和大小写字母)
  
  Parameters:
  
  length - 随机数的长度
  
  Returns:
- makeConstructorAccessible
```
public static void makeConstructorAccessible(Constructor<?> ctor)
```
  构造器设置为可见
  
  Parameters:
  
  ctor -
- digestSHA1
```
public static String digestSHA1(String content)
```
  SHA1签名
  
  Parameters:
  
  content - 待签名字符串
  
  Returns:
  
  签名后的字符串
- getBytesUtf8
```
public static byte[] getBytesUtf8(String content)
```
- newStringUtf8
```
public static String newStringUtf8(byte[] bytes)
```
- isBlank
```
public static boolean isBlank(CharSequence cs)
```
  判断字符串是否为空
  
  Parameters:
  
  cs -
  
  Returns: