unicode字符n 提交服务器请求中文字符乱码，需要进行编码转换(2)

????*/????

??public??String??toUTF_16BE(String??str)??throws??UnsupportedEncodingException{????

????return??this.changeCharset(str,??UTF_16BE);????

??}????

??/**??

????*??将字符编码转换成UTF-16LE码??

????*/????

??public??String??toUTF_16LE(String??str)??throws??UnsupportedEncodingException{????

????return??this.changeCharset(str,??UTF_16LE);????

??}????

??/**??

????*??将字符编码转换成UTF-16码??

????*/????

??public??String??toUTF_16(String??str)??throws??UnsupportedEncodingException{????

????return??this.changeCharset(str,??UTF_16);????

??}????

??/**??

????*??将字符编码转换成GBK码??

????*/????

??public??String??toGBK(String??str)??throws??UnsupportedEncodingException{????

????return??this.changeCharset(str,??GBK);????

??}????

??????

??/**??

????*??字符串编码转换的实现方法??

????*??@param??str????待转换编码的字符串??

????*??@param??newCharset??目标编码??

????*??@return??

????*??@throws??UnsupportedEncodingException??

????*/????

??public??String??changeCharset(String??str,??String??newCharset)????

??????throws??UnsupportedEncodingException??{????

????if??(str??!=??null)??{????

??????//用默认字符编码解码字符串。????

??????byte[]??bs??=??str.getBytes();????

??????//用新的字符编码生成字符串????

??????return??new??String(bs,??newCharset);????

????}????

????return??null;????

??}????

??/**??

????*??字符串编码转换的实现方法??

????*??@param??str????待转换编码的字符串??

????*??@param??oldCharset??原编码??

????*??@param??newCharset??目标编码??

????*??@return??

????*??@throws??UnsupportedEncodingException??

????*/????

??public??String??changeCharset(String??str,??String??oldCharset,??String??newCharset)????

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