HTML Input

Overview

HTML Input operator imports a regular HTML file and converts elements in the HTML file into input fields.

Input and Output

Input: HTML file

Output: multiple fields

Parameter Description

Table 1 Operator parameters description

Parameter

Description

Type

Mandatory

Default Value

parent tag

Upper-layer HTML tag of all fields for limiting the search scope.

string

Yes

None

Filename as field

User-defined field whose value is the name of the file that stores the current data.

string

No

None

Absolute file name

Whether the file name used as the value of Filename as field contains an absolute path. Selecting the option button indicates that the file name contains an absolute path; deselecting the option button indicates that the file name does not contain a path.

boolean

No

No

Validate input field

Whether to check the type matching between the input field and the value. If the value is NO, the field is not checked. If the value is YES, the field will be checked. If the input field does not match the value type, the line is skipped.

enum

Yes

YES

Input fields

Information about input fields:

  • position: Position of the field. The position sequence starts from 1.

  • field name: field name

  • field tag: field tag

  • keyword: A keyword can be configured to match the content of the tag. Wildcards are supported. For example, if the tag content is name, you can configure the keyword *name*.

  • type: field type

  • date format: If the field type is DATE, TIME, or TIMESTAMP, you need to specify the time format. If the field type is neither of them, the time format is invalid. The example time format is yyyyMMdd HH:mm:ss.

  • length: Field value length. If the actual field value is excessively long, the value is cut based on the configured length. When type is set to CHAR, spaces are added to the field value for supplement if the actual field value length is less than the configured length. When type is set to VARCHAR, no space is added to the field value for supplement if the actual field value length is less than the configured length.

map

Yes

None

Data Processing Rule

  • parent tag is configured first to limit the search scope. The value of parent tag must exist; otherwise, the obtained content is empty.

  • Input fields are configured so that the sub-tags can be used to precisely locate the tags of fields. If the tags are the same, keywords will be used for precise matching.

  • The keyword is used to match the content of the field. The configuration method is similar to that of the File filter field in the From settings. The wildcard (*) is supported. The following three tags are provided to assist in locating the field:

    1. #PART: indicates the values matched by wildcard *. If there are multiple *, you can specify an order from left to right and obtain content that matches the sequence number *. For example, #PART1 indicates to obtain the value that matches the first * and #PART8 indicates to obtain the value that matches the eighth *).

    2. #NEXT: indicates that you can obtain the value next to the value that matches the tag.

    3. #ALL: indicates that you can obtain all the values that match the tag.

  • If the tag is configured incorrectly, the obtained value is empty, but no error is reported.

Example

The following figure shows the source file.

image1

Configure the HTML Input operator to generate fields A, B, and C.

image2

Three fields are generated, as shown in the following figure.

image3

last updated: 2024-11-14 12:28 UTC - commit: 9d95be538b931742820cff066f12ce18f037ed96