public class Printer
extends java.lang.Object
限定符和类型 | 方法和说明 |
---|---|
boolean |
free()
关闭打印机模块
|
static Printer |
getInstance()
获取打印机模块操作实例
|
boolean |
init()
打开打印机模块
|
boolean |
isLowPager()
检测打印机是否缺纸
|
boolean |
isPowerOn()
判断设备是否上电
|
void |
print(byte[] buffer)
打印
|
void |
print(java.lang.String content)
打印
|
void |
print(java.lang.String content,
java.lang.String charsetName)
打印
|
void |
sendCMD(byte[] buffer)
向打印机发送指令
|
public boolean free()
public static Printer getInstance() throws ConfigurationException
ConfigurationException
public boolean init() throws java.lang.SecurityException, java.io.IOException
java.io.IOException
java.lang.SecurityException
public boolean isLowPager()
public void print(byte[] buffer) throws PrinterLowPager
buffer
- 要打印的内容PrinterLowPager
- 缺纸异常public void print(java.lang.String content) throws PrinterLowPager
content
- 要打印的内容PrinterLowPager
- 缺纸异常public void print(java.lang.String content, java.lang.String charsetName) throws PrinterLowPager
content
- 要打印的内容charsetName
- 字符编码PrinterLowPager
- 缺纸异常public void sendCMD(byte[] buffer)
buffer
- public boolean isPowerOn()