📄 5-3.htm
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>字符串函数</title>
</head>
<body>
<h1 align="center">字符串函数</h1>
<script language="VBScript">
<!--
//字符串可以用"+" 或者"&"进行连接
document.write " 连接字符串：""字符串1""+"",""+""字符串2""&"",""&""字符串3 "" = "&"字符串1"+","+"字符串2"&","&"字符串3"&"<br>"
//大写转小写仅对英文字母有效
document.write " 大写转小写：Lcase(""ABCDEF"") = "&Lcase("ABCDEF")&"<br>"
//大写转小写仅对英文字母有效
document.write " 小写转大写：Ucase(""abcdef"") = "&Ucase("abcdef")&"<br>"
//一个英文字母是一个长度，一个汉字也是一个长度
document.write " 字符串长度：len(""abc一二三"") = "&len("abc一二三")&"<br>"
//取最左边2个字符
document.write " 左截取字符串：Left(""abcdef"",2) = "&Left("abcdef",2)&"<br>"
//取最右边2个字符
document.write " 右截取字符串：Right(""中文字符串"",2) = "&Right("中文字符串",2)&"<br>"
//从第三个字开始取2个字符
document.write "中截取字符串：Mid(""abcdef"",3,2) = "&Mid("abcdef",3,2)&"<br>"
//把字符串中的"c"替换成"我"
document.write " 替换字符串：Replace(""abcdef"",""c"",""我"") = "&Replace("abcdef","c","我")&"<br>"
-->
</script>
</body>
</html>
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