import arcpy # 获取参数 input_features = arcpy.GetParameterAsText(0) join_field = arcpy.GetParameterAsText(1) target_feature = arcpy.GetParameterAsText(2) target_field = arcpy.GetParameterAsText(3) area_threshold = arcpy.GetParameterAsText(4) # 创建空间连接 join_result = arcpy.SpatialJoin_analysis(input_features, target_feature, "in_memory/spatial_join", "JOIN_ONE_TO_ONE", "KEEP_ALL", "", "INTERSECT") # 使用MakeFeatureLayer创建要素图层，并使用AddFieldDelimiters处理字段名称 join_layer = arcpy.management.MakeFeatureLayer(join_result, "join_layer").getOutput(0) join_field_name = arcpy.AddFieldDelimiters(join_layer, join_field) # 使用SelectLayerByAttribute选择重叠面积大于阈值的要素 arcpy.management.SelectLayerByAttribute(join_layer, "NEW_SELECTION", "Shape_Area > " + str(area_threshold)) # 使用SummaryStatistics工具进行面积求和 summary_table = arcpy.Statistics_analysis(join_layer, "in_memory/summary_table", [["Shape_Area", "SUM"]], join_field_name) # 使用TableToNumPyArray将结果转换为字典 sum_dict = {} with arcpy.da.TableToNumPyArray(summary_table, [join_field, "SUM_Shape_Area"]) as arr: for row in arr: sum_dict[row[0]] = row[1] # 使用UpdateCursor更新目标要素类的目标字段 with arcpy.da.UpdateCursor(target_feature, [target_field, join_field], sql_clause=(None, "ORDER BY OBJECTID"),) as cursor: for row in cursor: join_value = row[1] if join_value in sum_dict: area_sum = sum_dict[join_value] row[0] = area_sum cursor.updateRow(row) # 导出结果 output_feature = arcpy.GetParameterAsText(5) arcpy.CopyFeatures_management(target_feature, output_feature)运行错误：Traceback (most recent call last): File "D:\实验2\空间连接.py", line 25, in <module> AttributeError: __exit__ 执行(ccc)失败。请改正代码

这个错误可能是因为你在使用with语句时出错了。请尝试在 with 语句中指定 as 子句的变量类型，例如：

with arcpy.da.UpdateCursor(target_feature, [target_field, join_field], sql_clause=(None, "ORDER BY OBJECTID")) as cursor:

同时，建议在 with 语句结束后手动删除游标对象，例如：

del cursor

完整代码如下：

import arcpy

# 获取参数
input_features = arcpy.GetParameterAsText(0)
join_field = arcpy.GetParameterAsText(1)
target_feature = arcpy.GetParameterAsText(2)
target_field = arcpy.GetParameterAsText(3)
area_threshold = arcpy.GetParameterAsText(4)

# 创建空间连接
join_result = arcpy.SpatialJoin_analysis(input_features, target_feature, "in_memory/spatial_join", "JOIN_ONE_TO_ONE", "KEEP_ALL", "", "INTERSECT")

# 使用MakeFeatureLayer创建要素图层，并使用AddFieldDelimiters处理字段名称
join_layer = arcpy.management.MakeFeatureLayer(join_result, "join_layer").getOutput(0)
join_field_name = arcpy.AddFieldDelimiters(join_layer, join_field)

# 使用SelectLayerByAttribute选择重叠面积大于阈值的要素
arcpy.management.SelectLayerByAttribute(join_layer, "NEW_SELECTION", "Shape_Area > " + str(area_threshold))

# 使用SummaryStatistics工具进行面积求和
summary_table = arcpy.Statistics_analysis(join_layer, "in_memory/summary_table", [["Shape_Area", "SUM"]], join_field_name)

# 使用TableToNumPyArray将结果转换为字典
sum_dict = {}
with arcpy.da.TableToNumPyArray(summary_table, [join_field, "SUM_Shape_Area"]) as arr:
    for row in arr:
        sum_dict[row[0]] = row[1]

# 使用UpdateCursor更新目标要素类的目标字段
with arcpy.da.UpdateCursor(target_feature, [target_field, join_field], sql_clause=(None, "ORDER BY OBJECTID")) as cursor:
    for row in cursor:
        join_value = row[1]
        if join_value in sum_dict:
            area_sum = sum_dict[join_value]
            row[0] = area_sum
        cursor.updateRow(row)

# 导出结果
output_feature = arcpy.GetParameterAsText(5)
arcpy.CopyFeatures_management(target_feature, output_feature)

# 删除游标对象
del cursor