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<title>csdn_Tomcat3.1中文乱码解决办法</title>
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                   <TD WIDTH="50%" bordercolor="#FFFFFF" CLASS="t1" bgcolor="#F0F0F0" nowrap >Tomcat3.1中文乱码解决办法 
                   </TD>
                 <p>  <TD WIDTH="50%" bordercolor="#FFFFFF" CLASS="t1" bgcolor="#F0F0F0" nowrap >作者：jdeveloper
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        <pre>
 <font color=red size=+1>This is for Tomcat3.1 only</font>
 I downloaded Tomcat3.1 for windows and linux and found that one must do some more work to
display Chinese characters correctly.Below is my experience:
   . <font color="FFAA00">For Jsp</font>
        In Jsp files, you can output Chinese characters easily,that is just do like:
          <font color=blue>&lt;% out.println(&quot;北京&quot;); %&gt;</font>
        However, when you display resultset from Database you must add this to your Jsp
       files to let them show Chinese characters as you want.
<p><font color=blue>&lt;%@ page import=&quot;java.sql.*&quot; contentType=&quot;text/html;charset=GB2312&quot; %&gt;</font>
&lt;%
String driverName = &quot;oracle.jdbc.driver.OracleDriver&quot;;
Driver d;
Connection con;&nbsp;&nbsp;&nbsp; 
Statement stmt;
ResultSet results;
&nbsp;&nbsp;&nbsp; try {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; d = 
(Driver)Class.forName(driverName).newInstance();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; con = DriverManager.getConnection(&quot;jdbc:oracle:thin:ndb/ndb@111.222.1.103:1521:YZB&quot;); 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; stmt = con.createStatement();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; stmt.execute(&quot;select * from hjctest&quot;);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; results = stmt.getResultSet(); 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; StringBuffer buf = new StringBuffer();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; String temp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; try {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ResultSetMetaData rsmd = results.getMetaData();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int numCols = rsmd.getColumnCount();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int i, rowcount = 0;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // get column header info
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for (i=1; i &lt;= numCols; i++){
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (i &gt; 1) buf.append(&quot;,&quot;);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; buf.append(rsmd.getColumnLabel(i));
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; buf.append(&quot;&lt;br&gt;&quot;);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // break it off at 100 rows max
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; while (results.next() &amp;&amp; rowcount &lt; 100){
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // Loop through each column, getting the column
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // data and displaying
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for (i=1; i &lt;= numCols; i++) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (i &gt; 1) buf.append(&quot;,&quot;); 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; buf.append((results.getString(i)));
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; buf.append(&quot;&lt;br&gt;&quot;);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rowcount++;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; results.close();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out.write(buf.toString()); 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; } 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; catch (Exception e) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; System.out.println(e); 
&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp; con.close();
&nbsp;&nbsp;&nbsp; } 
&nbsp;&nbsp;&nbsp; catch (Exception e) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out.println(&quot;error: &quot; + e.toString());&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
&nbsp;&nbsp;&nbsp; } 
&nbsp;&nbsp;&nbsp; out.println(&quot;&lt;/BODY&gt;&lt;/HTML&gt;&quot;);
%&gt;</p>
	          
   . <font color="FFAA00">For Servlet</font>
    To display Chinese Characters from a servlet  you should set the contentType like this
    .....
    <font color=blue>response.setContentType("text/html;Charset=GB2312");
    ServletOutputStream     out = response.getOutputStream();
    out.println("北京"); 
    </font>
    ...
  
    . <font color="FFAA00">Comments</font>
     Maybe, this will save you from wasting time to display Chinese characters 
     from Tomcat3.1 .
     Good luck!


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