AddError

摘要

Creates a geoprocessing tool error message (Severity=2) that can be accessed by any of the GetMessages functions.

语法

AddError (message)

参数	说明	数据类型
message	The message to add.	String

代码示例

AddError example

Add custom geoprocessing error message.

import arcpy

fc = arcpy.GetParameterAsText(0)
result = arcpy.GetCount_management(fc)

# Get the count from GetCount's Result object
#
featurecount = int(result.getOutput(0))

if featurecount == 0:
    arcpy.AddError(fc + " has no features.")		
else:
    arcpy.AddMessage(fc + " has " + str(featurecount) + " features.")