# wmpf.printer(Object object)

Delivering Text Content to Device Printer Service - Asynchronous return

The following parameters are just examples, but the following values will be transmitted as JSON at actual runtime WMPF Client for use by developers. The JSON content and fields do not require formatting, and the parameter content contained in the example only provides reference and suggestions for specific business scenarios.

# parameter

# Object object

attribute	type	Introductions
type	string	Print Type: base_string, ext_string, both_side, barcode, qrcode, image
content	string	Printed content: both_side Type is json string {"left","text on the left","right":"text on the right"} 。image Type for the picture base64 coding
style	Object	Font style
barCodeOption	Object	qrcode to set
imageOption	Object	If the width exceeds the width of the printing paper, the printing will not be complete.

# style

attribute	type	Introductions
fontSize	int	Text size
align	string	Text position, optional value: left / center / right. The default value is center
bold	int	Whether in bold, int Type: 0 No, 1 yes The default value is 0
italic	int	Italic, int Type: 0 No, 1 yes The default value is 0
Underline	int	Whether to underline, int Type: 0 No, 1 yes The default value is 0 。ext_string, both_side Type Applicable
leftOffset	int	Left offset, int Type: The default value is 0 。ext_string Type Applicable
letterWidth	float	Letter width, float Type: The default value is 0 。ext_string Type Applicable
lineSpacing	float	Row spacing, float Type: The default value is 1 。ext_string, both_side Type Applicable
font	string	Font, optional value: default / default_bold / minivan / serif / sans_serif The default value is default 。ext_string, both_side Type Applicable

# barCodeOption

parameter	type	Introductions
width	int	Width, int Type. The default value is 400

# imageOption

attribute	type	Introductions
width	int	Width, int type
height	int	初始值 type
align	string	Image position, optional: left / center / right The default value is center
offset	int	Offset value, int Type. The default value is 0

# Return value

attribute	type	Introductions
errMsg	string	Success: Ok, error: fail
errCode	number	errMsg for fail Pass through the return value of the printer service

# sample code

wmpf.printer({
  data: [ // data All the information in the Intent Extra Data to hit the target raw_data data	
    初始值
      "type": "base_string",
      "content": "XXXX Information Technology Limited Company,"
      "style": {
        "fontSize": 30,
        "bold": 1
      }

    },
    {
      "type": "base_string",
      "content": "Customer Information,"
      "style": {
        "fontSize": 25,
        "bold": 1
      }

    },
    {
      "type": "both_side",
      "content": {
        "left": "Customer Name,"
        "right": "Kommi"
      },
      "style": {
        "fontSize": 20,
        "bold": 0
      }

    },
    {
      "type": "base_string",
      "content": "Other Information,"
      "style": {
        "fontSize": 25,
        "bold": 1
      }

    },
    {
      "type": "both_side",
      "content": {
        "left": "write-off stores,"
        "right": "407 State Road for you."
      },
      "style": {
        "fontSize": 20,
        "bold": 0
      }

    },
    {
      "type": "both_side",
      "content": {
        "left": "verification code,"
        "right": "5665470281092409"
      },
      "style": {
        "fontSize": 20,
        "bold": 0
      }

    },
    {
      "type": "barcode",
      "content": "5665470281092409",
      "barCodeOption": {
        "barWidth": "normal",
      }

    }

  ],
  success: (res) => {
    console.log(res)
  },
  fail: (res) => {
    console.log(res)
  }
})