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jsp将在内存中生成的jspg文件写到页面，可是无法显示html文件的其它内容！请高手解决
<%@ page import="java.awt.*,java.awt.image.*,com.sun.image.codec.jpeg.*,java.util.*"%>
<%@page import="org.apache.commons.lang.RandomStringUtils;"%>
<%
String random="Hello";
%>
<html>
<table width="75%" border="1">
<tr>
<td>doit</td>
<td>successfully</td>
<td>
<%
RandomStringUtils rs=new RandomStringUtils();
out.clear();
/* response.setContentType("image/jpeg");
response.addHeader("pragma","NO-cache");
response.addHeader("Cache-Control","no-cache");
response.addDateHeader("Expries",0);*/
int width=30, height=13;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = image.getGraphics();
g.setColor(Color.lightGray);
g.fillRect(0, 0, width, height);
g.setColor(Color.BLACK);
// g.drawLine(10,50,290,50);
g.drawString(random,0,10);
g.dispose();
ServletOutputStream outStream = response.getOutputStream();
JPEGImageEncoder encoder =JPEGCodec.createJPEGEncoder(outStream);
encoder.encode(image);
outStream.close();
%>
</td>
</tr>
</table>
<table width="75%" border="1">
<tr>
<td>dfsdfdsf</td>
<td>sadfsdfds</td>
<td>fsdfsdfdf</td>
</tr>
</table>
<p> </p>
</html>
<%@ page import="java.awt.*,java.awt.image.*,com.sun.image.codec.jpeg.*,java.util.*"%>
<%@page import="org.apache.commons.lang.RandomStringUtils;"%>
<%
String random="Hello";
%>
<html>
<table width="75%" border="1">
<tr>
<td>doit</td>
<td>successfully</td>
<td>
<%
RandomStringUtils rs=new RandomStringUtils();
out.clear();
/* response.setContentType("image/jpeg");
response.addHeader("pragma","NO-cache");
response.addHeader("Cache-Control","no-cache");
response.addDateHeader("Expries",0);*/
int width=30, height=13;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = image.getGraphics();
g.setColor(Color.lightGray);
g.fillRect(0, 0, width, height);
g.setColor(Color.BLACK);
// g.drawLine(10,50,290,50);
g.drawString(random,0,10);
g.dispose();
ServletOutputStream outStream = response.getOutputStream();
JPEGImageEncoder encoder =JPEGCodec.createJPEGEncoder(outStream);
encoder.encode(image);
outStream.close();
%>
</td>
</tr>
</table>
<table width="75%" border="1">
<tr>
<td>dfsdfdsf</td>
<td>sadfsdfds</td>
<td>fsdfsdfdf</td>
</tr>
</table>
<p> </p>
</html>
...全文
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jFresH_MaN 2004-12-25
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/**
*
*@function 将指定的字符串中的某些字符转换为HTML字符
*
*@param str String 源字符串
*
*@param title boolean 用双引号还是单引号
*
*@usage String str = StringTools.replace(str,true);
*
*/
public static String replace(String str, boolean title){
StringBuffer sb = new StringBuffer();
str=str.trim();
for( int i=0; i<str.length(); i++ ) {
char ch = str.charAt(i);
switch (ch){
case 13: // \r 回车符
sb.append("<br/>");
break;
/*case 32: // 空格符
sb.append(" ");
break;*/
case 34: // " 双引号
sb.append(""");
break;
case 39: // ' 单引号
sb.append( (title==true)? """ : "''" );
break;
case 38: // & 连接符
sb.append("&");
break;
case 60: // < 小于号
sb.append("<");
break;
case 62: // > 大于号
sb.append(">");
break;
default :
sb.append(ch);
break;
}
}
return sb.toString();
}
*
*@function 将指定的字符串中的某些字符转换为HTML字符
*
*@param str String 源字符串
*
*@param title boolean 用双引号还是单引号
*
*@usage String str = StringTools.replace(str,true);
*
*/
public static String replace(String str, boolean title){
StringBuffer sb = new StringBuffer();
str=str.trim();
for( int i=0; i<str.length(); i++ ) {
char ch = str.charAt(i);
switch (ch){
case 13: // \r 回车符
sb.append("<br/>");
break;
/*case 32: // 空格符
sb.append(" ");
break;*/
case 34: // " 双引号
sb.append(""");
break;
case 39: // ' 单引号
sb.append( (title==true)? """ : "''" );
break;
case 38: // & 连接符
sb.append("&");
break;
case 60: // < 小于号
sb.append("<");
break;
case 62: // > 大于号
sb.append(">");
break;
default :
sb.append(ch);
break;
}
}
return sb.toString();
}
