条件运算符参考 |
“条件运算符”在条件语句中用于确定要在数据源和指定值之间建立的关系。条件语句的结构与句子类似,带有主语(数据源)、动词(运算符)和宾语(值)。您可以使用条件运算符执行以下操作:
下表描述了可以与每个条件运算符一起使用的有效数据类型。
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可用的条件运算符可能取决于您要为其创建条件语句的功能。还可能取决于连接到文档的数据库类型。有关如何查看语句的可用条件运算符的信息,请参阅用于创建条件语句的特定对话框或属性页的文档。 |
|
条件运算符 |
有效输入 |
示例 |
---|---|---|---|
|
Equals |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Equals <值> |
|
Does not equal |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Does Not Equal <值> |
|
Is greater than |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Is greater than <值> |
|
Is greater than or equal to |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Is greater than or equal to <值> |
|
Is less than |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Is less than <值> |
|
Is less than or equal to |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Is less than or equal to <值> |
|
Is between |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Is between <值 1> and <值 2> |
|
Is not between |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Is not between <值 1> and <值 2> |
|
Contains |
仅限文本 |
[数据源] Contains <值> |
|
Does not contain |
仅限文本 |
[数据源] Does not contain <值> |
|
Begins with |
仅限文本 |
[数据源] Begins with <值> |
|
Ends with |
仅限文本 |
[数据源] Ends with <值> |
|
Is like |
仅限文本 |
[数据源] Is like <值> |
|
Is not like |
仅限文本 |
[数据源] Is not like <值> |
|
Is Null |
仅限 SQL |
[数据源] Is Null |
|
Is Not Null |
仅限 SQL |
[数据源] Is Not Null |
|
Is Empty |
仅限文本 |
[数据源] Is Empty |
|
Is Not Empty |
仅限文本 |
[数据源] Is Not Empty |
|
Is blank |
所有数据类型 |
[数据源] Is blank |
|
Is not blank |
所有数据类型 |
[数据源] Is not blank |
|
Is any of |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Is any of <值 1>, <值 2>, <值 3>... |
|
Is none of |
除“时间”、“二进制”和“图片”外的所有类型 |
[数据源] Is none of <值 1>, <值 2>, <值 3>... |
|
Is beyond this year |
仅限日期 |
[数据源] Is beyond this year |
|
Is later this year |
仅限日期 |
[数据源] Is later this year |
|
Is later this month |
仅限日期 |
[数据源] Is later this month |
|
Is next week |
仅限日期 |
[数据源] Is next week |
|
Is later this week |
仅限日期 |
[数据源] Is later this week |
|
Is tomorrow |
仅限日期 |
[数据源] Is tomorrow |
|
Is today |
仅限日期 |
[数据源] Is today |
|
Is yesterday |
仅限日期 |
[数据源] Is yesterday |
|
Is earlier this week |
仅限日期 |
[数据源] Is earlier this week |
|
Is last week |
仅限日期 |
[数据源] Is last week |
|
Is earlier this month |
仅限日期 |
[数据源] Is earlier this month |
|
Is earlier this year |
仅限日期 |
[数据源] Is earlier this year |
|
Is prior this year |
仅限日期 |
[数据源] Is prior this year |
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