首页 / 脚本样式 / JavaScript / jscript读写二进制文件的方法

var bin = new Array（256）;for（var i=0;i<256;i++）{bin[i]=String.fromCharCode（i）;}function TestWrite（）{var Stream = new ActiveXObject（"ADODB.Stream"）;var adTypeBinary=1,adTypeText=2;Stream.Type = adTypeText;Stream.CharSet = "iso-8859-1";Stream.Open（）;//Stream.WriteText（"x00x01x02xffxff"）;for（var i=0;i<256;i++）{Stream.WriteText（String.fromCharCode（i））;//Stream.WriteText（bin[i]）;}Stream.SaveToFile（"c:\windows\temp\test.bin", 2）;Stream.Close（）;Stream = null;}function BinaryFile（filepath）{var adTypeBinary=1,adTypeText=2;var adSaveCreateNotExist=1,adSaveCreateOverWrite=2;var adReadAll=-1,adReadLine=-2;this.path=filepath;this.WriteAll = function（content）{var Stream = new ActiveXObject（"ADODB.Stream"）;Stream.Type = adTypeText;Stream.CharSet = "iso-8859-1";Stream.Open（）;Stream.WriteText（content）;Stream.SaveToFile（this.path, adSaveCreateOverWrite）;Stream.Close（）;Stream = null;}this.ReadAll = function（）{var Stream = new ActiveXObject（"ADODB.Stream"）;Stream.Type = adTypeText;Stream.CharSet = "iso-8859-1";Stream.Open（）;Stream.LoadFromFile（this.path）;var content = Stream.ReadText（adReadAll）;Stream.Close（）;Stream = null;return content;}}

var crFolder = "C:/Temp/cr"var bf1=new BinaryFile（crFolder+"/PCDV0026.JPG"）;var bf2=new BinaryFile（crFolder+"/PCDV0026_.JPG"）;bf2.WriteAll（bf1.ReadAll（））;