解析Java中文乱码的处理方法

String s2 = new String(s1.getBytes(“ISO-8859-1”),”GBK”);

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%request.setCharacterEncoding("UTF-8");%>

String msg = request.getParameter("message"); String str=new String(msg.getBytes("ISO-8859-1"),"UTF-8"); out.println(st);

<filter> <filter-name>Set Character Encoding</filter-name> <filter-class>filters.SetCharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>GBK</param-value> </init-param> </filter> <filter-mapping> <filter-name>Set Character Encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>

URIEncoding=”GBK”

<connector port="80" maxThreads="150" minSpareThreads="25" maxSpareThreads="75" enableLookups="false" redirectPort="8443" acceptCount="100" debug="0" connectionTimeout="20000" disableUploadTimeout="true" URIEncoding="GBK" />

<%@ page contentType="text/html; charset=GBK"%>

function addFracasReport() { var url="controler?actionId=0_06_03_01&actionFlag=0010"; var urlmsg="&reportId=" fracasReport1.textReportId.value; //故障报告表编号 var xmlHttp=Common.createXMLHttpRequest(); xmlHttp.onreadystatechange = Common.getReadyStateHandler(xmlHttp, eval("turnAnalyPage")); xmlHttp.open("POST",url,true); xmlHttp.setRequestHeader( " Content-Type " , " application/x-www-form-urlencoded); xmlHttp.send(urlmsg); }

public static String UTF_8ToGBK(String str) { try { return new String(str.getBytes("UTF-8"), "GBK"); } catch (Exception ex) { return null; } } public static String UTF8ToGBK(String str) { try { return new String(str.getBytes("UTF-16BE"), "GBK"); } catch (Exception ex) { return null; } } public static String GBK(String str) { try { return new String(str.getBytes("GBK"),"GBK"); } catch (Exception ex) { return null; } } public static String getStr(String str) { try { String temp_p = str; String temp = new String(temp_p.getBytes("ISO8859_1"), "GBK"); temp = sqlStrchop(temp); return temp; } catch (Exception e) { return null; } }

public static String toTureAsciiStr(String str){ 　　StringBuffer sb = new StringBuffer(); 　　byte[] bt = str.getBytes(); 　　for(int i =0 ;i〈bt.length;i ){ 　　if(bt[i]〈0){ 　　//是汉字去高位1 　　sb.append((char)(bt[i]&&0x7f)); 　　 }else{//是英文字符 补0作记录 　　sb.append((char)0); 　　sb.append((char)bt[i]); 　　 } 　　 } 　　return sb.toString(); 　　}

public static String unToTrueAsciiStr(String str){ 　　 byte[] bt = str.getBytes(); 　　 int i,l=0,length = bt.length,j=0; 　　 for(i = 0;i〈length;i ){ 　　 if(bt[i] == 0){ 　　 l ; 　　 } 　　 } 　　 byte []bt2 = new byte[length-l]; 　　 for(i =0 ;i〈length;i ){ 　　 if(bt[i] == 0){ 　　 i ; 　　 bt2[j] = bt[i]; 　　 }else{ 　　 bt2[j] = (byte)(bt[i]|0x80); 　　 } 　　 j ; 　　 } 　　String tt = new String(bt2); 　　return tt; 　　}

public class ZldTestServlet extends HttpServlet { 　　public void doGet (HttpServletRequest request, HttpServletResponse response)throws ServletException,IOException{ 　　//在使用 Writer向浏览器返回数据前，设置 content-type header，在这里设置相应的字符集gb2312 　　response.setContentType("text/html;charset=gb2312"); 　　PrintWriter out = response.getWriter(); //* 　　// 正式返回数据 　　out.println("〈html〉〈head〉〈title〉Servlet test〈/title〉〈/head〉" ); 　　out.println("这是一个测试页！"); 　　out.println("〈/body〉〈/html〉"); 　　out.close(); 　　} 　　 ... 　　}

PrintWriter out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(),"gb2312"));

public class TestCommonMail { public static void main(String[] args) throws EmailException, MessagingException { SimpleEmail email = new SimpleEmail(); email.setCharset("GB2312"); email.setHostName("smtp.163.com"); email.setSubject("test"); email.addTo("test@163.com"); email.setFrom("test@163.com"); email.setMsg("我的测试"); email.setAuthentication("test", "test"); email.send(); } }

public class SimpleEmail extends Email{public Email setMsg(String msg) throws EmailException, MessagingException{if (EmailUtils.isEmpty(msg)){throw new EmailException("Invalid message supplied");}setContent(msg, TEXT_PLAIN);return this;}}

public void setContent(Object aObject, String aContentType){this.content = aObject;if (EmailUtils.isEmpty(aContentType)){this.contentType = null;}else{// set the content typethis.contentType = aContentType;// set the charset if the input was properly formedString strMarker = "; charset=";int charsetPos = aContentType.toLowerCase().indexOf(strMarker);if (charsetPos != -1){// find the next space (after the marker)charsetPos = strMarker.length();int intCharsetEnd =aContentType.toLowerCase().indexOf(" ", charsetPos);if (intCharsetEnd != -1){this.charset =aContentType.substring(charsetPos, intCharsetEnd);}else{this.charset = aContentType.substring(charsetPos);}}}}email.send();的send方法将调用public void buildMimeMessage() throws EmailException{try{this.getMailSession();this.message = new MimeMessage(this.session);if (EmailUtils.isNotEmpty(this.subject)){if (EmailUtils.isNotEmpty(this.charset)){this.message.setSubject(this.subject, this.charset);}else{this.message.setSubject(this.subject);}}// =====================================================// Start of replacement codeif (this.content != null){this.message.setContent(this.content, this.contentType);}// end of replacement code// =====================================================else if (this.emailBody != null){this.message.setContent(this.emailBody);}else{this.message.setContent("", Email.TEXT_PLAIN);}if (this.fromAddress != null){this.message.setFrom(this.fromAddress);}else{throw new EmailException("Sender address required");}if (this.toList.size() this.ccList.size() this.bccList.size() == 0){throw new EmailException("At least one receiver address required");}if (this.toList.size() > 0){this.message.setRecipients(Message.RecipientType.TO,this.toInternetAddressArray(this.toList));}if (this.ccList.size() > 0){this.message.setRecipients(Message.RecipientType.CC,this.toInternetAddressArray(this.ccList));}if (this.bccList.size() > 0){this.message.setRecipients(Message.RecipientType.BCC,this.toInternetAddressArray(this.bccList));}if (this.replyList.size() > 0){this.message.setReplyTo(this.toInternetAddressArray(this.replyList));}if (this.headers.size() > 0){Iterator iterHeaderKeys = this.headers.keySet().iterator();while (iterHeaderKeys.hasNext()){String name = (String) iterHeaderKeys.next();String value = (String) headers.get(name);this.message.addHeader(name, value);}}if (this.message.getSentDate() == null){this.message.setSentDate(getSentDate());}if (this.popBeforeSmtp){Store store = session.getStore("pop3");store.connect(this.popHost, this.popUsername, this.popPassword);}}catch (MessagingException me){throw new EmailException(me);}}

connect sys/chang_on_install update props$ set value$='ZHS16CGB231280' where name='NLS_CHARACTERSET'; commit;

StreamReader sr = new StreamReader(stream);

StreamReader sr = new StreamReader(stream , Encoding.Default );

StreamReader sr = new StreamReader(stream , Encoding.UTF8 );

StreamReader sr = new StreamReader(stream , Encoding.Default );

/// /// post一个指定的url，获得网页的源代码(用WebRequest实现) /// /// /// /// 如果请求失败，返回null /// 如果请求成功，返回网页的源代码 /// public static string GetContentFromUrl2( string url ) { //变量定义 string respstr; WebRequest myWebRequest=WebRequest.Create(url); // myWebRequest.PreAuthenticate=true; // NetworkCredential networkCredential= new NetworkCredential( username , password , domain ); // myWebRequest.Credentials=networkCredential; // Assign the response object of 'WebRequest' to a 'WebResponse' variable. WebResponse myWebResponse=myWebRequest.GetResponse(); System.IO.Stream stream = myWebResponse.GetResponseStream(); StreamReader sr = new StreamReader(stream , Encoding.Default ); //以字符串形式读取数据流 respstr = sr.ReadToEnd(); sr.Close(); return respstr; }