]F rJ wK;A"r0字符串函数51Testing软件测试网zG1[ }*Sh F3I
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51Testing软件测试网n-|1m4Xxz'S k e4）LenB 返回字符串的字节数51Testing软件测试网 NvRD%s}
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51Testing软件测试网_#h|C!N#q(vBBRight函数
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51Testing软件测试网/m|Y"jqmM G@L2）InStr([start,]string1,string2 [,compare])
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