To create it, open a new file at $WASP_ROOT/app/lib/validator/PriceRangeCustomValidator.class.php, and fill it with the code in Listing 17.

要创建它，在 $WASP_ROOT/app/lib/validator/PriceRangeCustomValidator.class.php打开一个新文件，并使用清单17中的代码填充它。

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Open the MySQLDatabaseSystemUnitValidator class and add a new class attribute for the validator identifier to your source code (see Listing 8).

打开mysqldatabasesystemunitvalidator类，并为确认器标识符向源代码添加一个新的类属性(见于代码清单8)。

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Click the "... "button next to" WS-Policy validator "to open the Settings.

单击“WS - Policyvalidator ”旁边的“…”按钮打开Settings。

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You can get a list of all attribute validators by clicking on an attribute validator in the source code, then open the type hierarchy explorer (F4) and select the DeployAttributeValidator class.

您可以点击源代码中的属性确认器，来得到所有属性确认器的列表，然后打开类型层级结构浏览器(F4)并选择deployattributevalidator类。

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You can get a list of all attribute validators by clicking on an attribute validator in the source code, then open the type hierarchy explorer (F4) and select the DeployAttributeValidator class.

您可以点击源代码中的属性确认器，来得到所有属性确认器的列表，然后打开类型层级结构浏览器(F4)并选择deployattributevalidator类。

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