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ADO ReadText 方法


❮ Stream 对象完整参考

ReadText 方法用于读取整个流、一行或从文本 Stream 对象中读取指定数量的字符,并将结果数据作为字符串返回。

注意:此方法仅用于文本 Stream 对象,对于二进制 Stream 对象,请使用 Read 方法。

语法

str=objStream.ReadText numchars

参数 描述
numchars 可选。要从文件中读取的字符数,或 StreamReadEnum 值。默认值为 adReadAll

如果您指定的字符数超过了 Stream 中剩余的字符数,则只返回剩余的字符


StreamReadEnum 值

常量 描述
adReadAll -1 默认值。从当前位置读取流中的所有字符,直到文件末尾 (EOS)
adReadLine -2 读取流中的下一行

❮ Stream 对象完整参考
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