C# Class Studyzy.LearnEnglishBySubtitle.Helpers.FileOperationHelper

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Public Methods

Method	Description
GetEncodingType ( string fileName ) : Encoding
GetWriteFileStream ( string path, Encoding coding ) : StreamWriter
ReadFile ( string path ) : string	自动判断文字编码，然后进行读取
ReadFile ( string path, Encoding encoding ) : string
WriteFile ( string path, Encoding coding ) : StreamWriter
WriteFile ( string path, Encoding coding, string content ) : bool	将一个字符串写入文件，采用覆盖的方式
WriteFileHeader ( FileStream fs, Encoding encoding ) : void
WriteFileLine ( StreamWriter sw, string line ) : bool
WriteFileLine ( string path, string line ) : bool	写一行文本到文件，追加的方式

Private Methods

Method	Description
GetType ( FileStream fs ) : Encoding
IsUtf8OrGb18030 ( FileStream fs ) : Encoding	判断是UTF8（无BOM）还是GB18030 1. 如果第1位是0就不需要判断的，一定是ASCII字符。 2. 如果第1位是1开头的，第2位是0开头的，一定是GB编码。 3. 如果第1位是非1110开头的，则一定是GB编码。 4. 多做几个汉字判断。

Method Details

GetEncodingType() public static method

public static GetEncodingType ( string fileName ) : Encoding
fileName	string
return	System.Text.Encoding

GetWriteFileStream() public static method

public static GetWriteFileStream ( string path, Encoding coding ) : StreamWriter
path	string
coding	System.Text.Encoding
return	System.IO.StreamWriter

ReadFile() public static method

自动判断文字编码，然后进行读取

public static ReadFile ( string path ) : string
path	string
return	string

ReadFile() public static method

public static ReadFile ( string path, Encoding encoding ) : string
path	string
encoding	System.Text.Encoding
return	string

WriteFile() public static method

public static WriteFile ( string path, Encoding coding ) : StreamWriter
path	string
coding	System.Text.Encoding
return	System.IO.StreamWriter

WriteFile() public static method

将一个字符串写入文件，采用覆盖的方式

public static WriteFile ( string path, Encoding coding, string content ) : bool
path	string
coding	System.Text.Encoding
content	string
return	bool

WriteFileHeader() public static method

public static WriteFileHeader ( FileStream fs, Encoding encoding ) : void
fs	System.IO.FileStream
encoding	System.Text.Encoding
return	void

WriteFileLine() public static method

public static WriteFileLine ( StreamWriter sw, string line ) : bool
sw	System.IO.StreamWriter
line	string
return	bool

WriteFileLine() public static method

写一行文本到文件，追加的方式

public static WriteFileLine ( string path, string line ) : bool
path	string
line	string
return	bool